SERVICE MANUAL Sec. 1: Main Section Sec. 2: Deck Mechanism Section I Specifications I Preparation for Servicing I Adjustment Procedures I Schematic Diagrams I CBA’s I Standard Maintenance I Alignment for Mechanism I Disassembly/Assembly of Mechanism Sec.
IMPORTANT SAFETY NOTICE Proper service and repair is important to the safe, reliable operation of all Funai Equipment. The service procedures recommended by Funai and described in this service manual are effective methods of performing service operations. Some of these service special tools should be used when and as recommended.
MAIN SECTION 19" COLOR TV/VCR COMBINATION SC319C/6319CC/EWC1902 Sec. 1: Main Section I Specifications I Preparation for Servicing I Adjustment Procedures I Schematic Diagrams I CBA’s TABLE OF CONTENTS Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1-1 Important Safety Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SPECIFICATIONS *ˆMode---------SP mode unless otherwise specified *Test input terminal -------------Video input (1Vp-p) Audio input (-10dB) -----------------------Ant. input (80dBµV) Video: 87.5% Audio: 25kHz dev (1kHz Sin) Description Condition Unit Nominal Limit — % 90 — Horizontal % — 15 Vertical % — 10 — kV 25 — Condition Unit Nominal Limit Center m/m — 0.4 Corner m/m — 2.1 Side m/m — 1.4 2. Tint Control Range — deg ±30 — 3.
IMPORTANT SAFETY PRECAUTIONS Prior to shipment from the factory, our products are strictly inspected for recognized product safety and electrical codes of the countries in which they are to be sold. However, in order to maintain such compliance, it is equally important to implement the following precautions when a set is being serviced. Safety Precautions for TV Circuit 1.
ing is performed that involves B+, horizontal deflection or high voltage. Correct operation of the X-radiation protection circuits also must be reconfirmed each time they are serviced. (X-radiation protection circuits also may be called "horizontal disable" or "hold down.
Precautions during Servicing H. When a power cord has been replaced, check that 5~6 kg of force in any direction will not loosen it. A. Parts identified by the ( # ) symbol are critical for safety. I. Also check areas surrounding repaired locations. Replace only with part number specified. B. In addition to safety, other parts and assemblies are specified for conformance with regulations applying to spurious radiation. These must also be replaced only with specified replacements.
Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts and wires have been returned to original positions. Afterwards, perform the following tests and confirm the specified values in order to verify compliance with safety standards. Chassis or Secondary Conductor Primary Circuit Terminals d’ d 1.
STANDARD NOTES FOR SERVICING Circuit Board Indications How to Read the Values of the Rectangular Type Chip Components 1. The output pin of the 3 pin Regulator ICs is indicated as shown: Top View Out Example: (a) Resistor Bottom View In Input 473 = 473 = 47 [kΩ] 2. For other ICs, pin 1 and every 5th pin is indicated as shown: (Top View) (b) Capacitor 5 Pin 1 = Not Shown 10 3.
2. The Flat Pack-IC on the CBA is affixed with glue, so be careful not to break or damage the foil of each pin or solder lands under the IC when removing it. Notes: a. Do not attempt to lift the component off the board until the component is completely disconnected from the board by the twisting action. 1. Removal b. Take care not to break the copper foil on the printed board With Hot - Air Flat Pack - IC Desoldering Machine: 3. Installing the leadless component a.
Hot Air Blower or Iron Wire Soldering Iron Fig. S-1-1 To Solid Mounting Point Fig. S-1-5 Hot-air Flat Pack-IC Desoldering Machine CBA Example : Flat Pack-IC Masking Tape Tweezers Pin 1 of the Flat Pack-IC is indicated by a " " mark. Fig. S-1-2 Fig. S-1-6 Desoldering Braid Flat Pack-IC Presolder Soldering Iron Soldering Iron Fig. S-1-3 Flat Pack-IC CBA Fig. S-1-7 Sharp Pin Fine Tip Soldering Iron Fig.
Instructions for Handling Semiconductors Electrostatic breakdown of the semiconductors may occur due to a potential difference caused by electrostatic charge during unpacking or repair work. Ground for Human Body Be sure to wear a grounding band (1MΩ) that is properly grounded to remove any static electricity that may be charged on the body.
PREPARATION FOR SERVICING How to Enter the Service Mode Caution: 1 1. Optical sensors system are used for Tape Start and End Sensor on this equipment. Read this page carefully and prepare as described on this page before starting to service; otherwise, the unit may operate unexpectedly. Key Adjustment Mode 6 No need to use. 7 Purity check mode: Shows Red, Green, Blue or White cyclically on the screen each time the “7” key is pressed. 8 H.
OPERATING CONTROLS AND FUNCTIONS NOTE: We do not recommend the use of universal remote controls. Not all of the functions may be controlled with a universal remote control. If you decide to use a universal remote control with this unit, please be aware that the code number given may not operate this unit. In this case, please call the manufacturer of the universal remote control. - TV/VCR FRONT PANEL - VIDEO AUDIO POWER VOLUME CHANNEL STOP/EJECT REW PLAY F.
- REAR VIEW - ANT. 26 8 REW button– Press to rewind the tape, or to view the picture rapidly in reverse during playback mode. (Rewind Search) s button– Press to select a mode from a particular menu. • (for example: LANGUAGE or USER’S SET UP) 9 PLAY button– Press to begin playback. K button– Press to select setting modes from the on screen • menu. • Press to enter digits when setting program. (for example: setting clock or timer program) 10 F.
CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart (1): Order of steps in Procedure. When reassembling, follow the steps in reverse order.These numbers are also used as the identification (location) No. of parts in Figures. (2): Parts to be removed or installed. (3): Fig. No. showing Procedure of Part Location. (4): Identification of part to be removed, unhooked, unlocked, released, unplugged, unclamped, or desoldered.
S-1 ANT. S-1 Fig. 1 S-1 S-1 S-1 S-1 [1] REAR CABINET Fig.
[2] TRAY CHASSIS S-2 S-2 S-2 [3] DECK UNIT S-2 S-4 [4] MAIN CBA S-4 S-4 S-4 S-3 S-3 S-4 Fig.
ANODE CAP S-5 CRT CBA S-5 S-5 [5] CRT S-5 Fig.
ANODE CL504A CRT CN501 CL501A CRT CBA FOCUS SCREEN GND TO SPEAKER MAIN CBA CL403 CN802 TO DEGAUSS COIL CN601 CL401 AC CORD CL402 CL504 CL501 CN571 CL201 CYLINDER ASSEMBLY FE HEAD CAPSTAN MOTOR AC HEAD ASSEMBLY DECK UNIT Fig.
ELECTRICAL ADJUSTMENT INSTRUCTIONS General Note: How to Set up the Service mode: "CBA" is abbreviation for "Circuit Board Assembly." Service Mode: 1. Use the service remote control unit. 2. Turn the power on. NOTE: 3. Press " WAKE-UP/SLEEP " button on the service remote control unit. Electrical adjustments are required after replacing circuit components and certain mechanical parts. It is important to perform these adjustments only after all repairs and replacements have been completed.
3. TV AGC Adjustment 4-2. C-Trap Adjustment Purpose: Set AGC (Auto Gain Control) Level. Purpose: To get minimum leakage of the color signal carrier. Symptom of Misadjustment: AGC does not synchronize correctly when RF input level is too weak and picture distortion may occur if it is too strong. Symptom of Misadjustment: If C-Trap Adjustment is incorrect, stripes will appear on the screen. Test point Adj. Point Mode Input Test point Adj. Point Mode Input J191 (AGC) CH.
4-3. Y DL Time Adjustment 5. V. Size Adjustment Purpose: To get minimum leakage of the color signal carrier. Purpose: To obtain correct vertical height of screen image. Symptom of Misadjustment: If Y DL Time Adjustment is incorrect, stripes will appear on the screen. Symptom of Misadjustment: If V. Size is incorrect, vertical height of image on the screen may not be properly displayed. 1. Enter the Service mode. (See page 1-4-1.) 2.
7. H. Shift Adjustment Notes: Screen Control FBT --- MAIN CBA F.B.T= Fly Back Transformer Use the Remote Control Unit Purpose: To obtain correct horizontal position and size of screen image. 1. Degauss the CRT and allow CRT to operate for 20 minutes before starting the alignment. Symptom of Misadjustment: Horizontal position and size of screen image may not be properly displayed. Test point Adj. Point Mode Input --- CH o / p buttons --- Monoscope Tape M. EQ. Spec.
9. Sub-Brightness Adjustment 10. Focus Adjustment Purpose: To get proper brightness. Purpose: Set the optimum Focus. Symptom of Misadjustment: If Sub-Brightness is incorrect, proper brightness cannot be obtained by adjusting the Brightness Control. Symptom of Misadjustment: If Focus Adjustment is incorrect, blurred images are shown on the display. Test point Adj. Point Mode Input --- CH o / p buttons --- SYMPTE 7.5IRE Tape M. EQ. Spec. --- Pattern Generator See below Test point Adj.
14. Convergence Adjustment The following 2 adjustments normally are not attempted in the field. They should be done only when replacing the CRT then adjust as a preparation. Purpose: To obtain proper convergence of red, green and blue beams. Symptom of Misadjustment: If Convergence Adjustment is incorrect, the edge of white letters may have color edges. 13.Purity Adjustment Purpose: To obtain pure color.
1. Set the unit to the AUX Mode which is located before CH2 then input a Dot or crosshatch pattern. 2. Loosen the Ring Lock and align red with blue dots or Crosshatch at the center of the screen by rotating (RB) C.P. Magnets. (See Fig. 7.) 3. Align red / blue with green dots at the center of the screen by rotating (RB-G) C.P. Magnet. (See Fig. 8.) 4. Fix the C.P. Magnets by tightening the Ring Lock. 5.
BLOCK DIAGRAMS Servo/System Control Block Diagram IC201 (SERVO/SYSTEM CONTROL) (DECK ASSEMBLY) KEY 0 5 MAIN CBA AL+5V KEY 1 6 D203 S-LED RS201 REMOTE SENSOR WF3 J116 CTL AC HEAD ASSEMBLY 5 6 CONTROL HEAD CTL(+) CTL(-) CL402 5 6 SW212 LD-SW 14 REMOTE SW201 SW205 KEY SWITCH SW206 SW210 KEY SWITCH P-ON-H P-DOWN P-ON-H 31 P-DOWN 84 97 CTL AMP-OUT 95 CTL(+) 94 CTL(-) D204 REC REC LED 23 REC LED 22 AL+5V AL+5V IC202 (MEMORY) 1 LD-SW SCL 71 6 SCL SDA 72 5 SDA 2 7 CS I C-OPEN 45 9 ST-SENS.
Video Block Diagram REC VIDEO SIGNAL WF5 J188 V-OUT MODE: SP/REC MAIN CBA Q401 BUFFER IC401 VIDEO/AUDIO SIGNAL PROCESS TO CHROMA/ TUNER BLOCK PB VIDEO SIGNAL 35 6dB AMP VIDEO 45 47 CCD 1H DELAY Q402 49 BUFFER 44 CHARA MIX FBC LUMINANCE SIGNAL PROCESS DOC YNR Y/C COMB Y/C MIX V-AGC R P WF4 TU-VIDEO TO CHROMA/ TUNER BLOCK 38 JK701 REAR V-IN EXT-H/INSEL RENTAL REC/EE/PB FROM/TO SERVO/SYSTEM CONTROL BLOCK 42 TUNER EXT-V-IN SPL-PLAY C-SYNC ROTA D-V SYNC TAPE-SPEED 71 36 16 73 34 14 39 5
Audio Block Diagram PB-AUDIO SIGNAL REC-AUDIO SIGNAL Mode : SP/REC MAIN CBA IC301 IC801 (AMP) WF7 FROM/TO CHROMA/TUNER BLOCK FROM/TO SERVO/SYSTEM CONTROL BLOCK TU-AUDIO 48 SDA SCL OUTPUT AMP MUTE 5 7 26 27 LIMITER FM DET AF AMP 54 TUNER SERIAL I/F ATT 1 JK801 EARPHONE JACK 51 LINE/PB CN802 SP SP-GND 53 JK702 A-IN SP-MUTE FROM PIN 12 OF IC201 WF8 J187 A-OUT 1 2 SP801 SPEAKER Q302 BUFFER IC401 (AUDIO PROCESS) 80 76 TUNER LINE BLOCK DIAGRAM FOR SECTION 2 (DECK MECHANISM) ALC
Chroma/Tuner Block Diagram REC-AUDIO SIGNAL REC VIDEO SIGNAL PB VIDEO SIGNAL MAIN CBA J191 RF AGC-OUT IC301 VIDEO/AUDIO/CHROMA/DEFLECTION/IF TU001 CF301 4.5MHz TRAP 59 AGC 1 IF 11 SF001 SDA 5 SCL 4 FSC 8 Mode : SP/REC SAW FILTER 63 IF SIGNAL CONTROL CIRCUIT 64 58 Q301 BUFFER CF302 4.5MHz BPF TU VIDEO TO VIDEO BLOCK TU AUDIO TO AUDIO BLOCK 43 (NO CONNECTION) INT.
CRT/H.V. Block Diagram REC VIDEO SIGNAL PB VIDEO SIGNAL Mode : SP/REC IC551 (V-DEFLECTION CONTROL) L551 DEFLECTION-YOKE WF13 THERMAL PROTECTION 5 7 AMP Q572 4 5 1 H.DRIVE 3 PUMP UP WF12 Q571 1 T572 HDRIVE CN571 H.OUTPUT 6 FROM POWER SUPPLY BLOCK VDRIVE 3 VCC 2 +B DEF+B FOCUS VR T571 F.B.T.
Power Supply Block Diagram CAUTION ! Fixed voltage power supply circuit is used in this unit. If Main Fuse (F601) is blown, check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply. Otherwise it may cause some components in the power supply circuit to fail. 4A/125V CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE.
MECHANICAL TROUBLE INDICATOR 1, Each Malfunction Indication POWER SAFETY If the MONITOR is turned ON right after the Mechanical Malfunction occurs or POWER SAFETY/X-RAY is turned ON, display the following character to show Malfunction after the EJECT display.
Mechanical Malfunction determination 4) Countermeasure for CASSETTE LOADING Malfunction 1) REEL Malfunction detection Countermeasure for REEL and CAPSTAN motor rotation malfunction (Except CASSETTE LOADING function) After the Malfunction detection with REEL/CAPSTAN sensor, the unit shall switch over to STOP (B) and be REEL Mechanical Malfunction. a) If the T-REEL pulse is not impressed after a lapse of 5 sec. at SP, 10 sec. at LP, 14 sec.
Power Supply Trouble Shooting Guide It is highly recommended that a variable isolation transformer which can monitor current be used. (Alternatively a variable AC source which monitors current will do). Read directions below before power is added! Voltage approx. 5Vp-p 0V T=Approx. 6 to 14 sec Oscilloscope setting: 1V/DIV. 2 sec./DIV CHECK Repair method Fig.1 Repair method #1 Check Fuse (F601) is blown out or not.
Repair method #2 Check the primary rectifying diodes (D603-D606) as possible problems. Remove the above mentioned parts and check them. Perform check according to the step 1 and 2 of repair method #1 and check for defects following parts, then if necessary replace with factory originals. R602 is open or not. Q601, Q602, D607, D608 and D611 are short or not.
SCHEMATIC DIAGRAMS / CBA’S AND TEST POINTS Standard Notes Note: 1. Do not use the part number shown on these drawings for ordering. The correct part number is shown in the parts list, and may be slightly different or amended since these drawings were prepared. Warning Many electrical and mechanical parts in this chassis have special characteristics.
LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES: 1. CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE. 2. CAUTION: Fixed Voltage (or Auto voltage selectable) power supply circuit is used in this unit. If Main Fuse (F601) is blown, first check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply.
Main 1/4 Schematic Diagram A5 B5 C5 D5 E5 F5 G5 A4 B4 C4 D4 E4 F4 G4 A3 B3 C3 D3 E3 F3 G3 A2 B2 C2 D2 E2 F2 G2 A1 B1 C1 D1 E1 F1 G1 1-9-3 1-9-4 MAIN 1/4 Ref No.
Main 2/4 Schematic Diagram REC Video Signal PB Video Signal REC Audio Signal PB Audio Signal H5 I5 J5 K5 L5 M5 N5 H4 I4 J4 K4 L4 M4 N4 H3 I3 J3 K3 L3 M3 N3 H2 I2 J2 K2 L2 M2 N2 H1 I1 J1 K1 L1 M1 N1 1-9-6 1-9-7 MAIN 2/4 Ref No.
Main 3/4 Schematic Diagram O5 P5 O4 P4 Q5 R5 S5 REC Video Signal PB Video Signal REC Audio Signal PB Audio Signal T5 U5 Q4 R4 S4 T4 U4 O3 P3 Q3 R3 S3 T3 U3 O2 P2 Q2 R2 S2 T2 U2 O1 P1 Q1 R1 S1 T1 U1 1-9-9 1-9-10 MAIN 3/4 Ref No.
Main 4/4 Schematic Diagram CAUTION ! Fixed voltage power supply circuit is used in this unit. If Main Fuse (F601) is blown, check to see that all components in the power supply NOTE : THE VOLTAGE FOR PARTS IN HOT CIRCUIT IS MEASURED USING HOT GND AS A COMMON TERMINAL. V5 4A/125V circuit are not defective before you connect the AC plug to the AC power supply. Otherwise it may cause some components in the power supply circuit to fail.
Main CBA Top View CAUTION ! Fixed voltage power supply circuit is used in this unit. If Main Fuse (F601) is blown, check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply. Otherwise it may cause some components in the power supply circuit to fail. 4A/125V CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE.
Main CBA Bottom View CAUTION ! Fixed voltage power supply circuit is used in this unit. If Main Fuse (F601) is blown, check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply. Otherwise it may cause some components in the power supply circuit to fail. 4A/125V CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE.
CRT CBA Top View CRT CBA Bottom View CRT CBA Ref No.
WAVEFORMS WAVEFORM NOTES INPUT: NTSC COLOR BAR SIGNAL OTHER CONTROLS: CENTER POSITION VOLTAGES SHOWN ARE RANGE OF OSCILLOSCOPE SETTING 2V 5 ms 0.5 V WF1 MAIN 2/4 SCHEMATIC DIAGRAM J190 RF-SW 0.2 V 0.1 µs 1V 20 µs 1-10-1 5 ms 0.5 ms WF7 MAIN 3/4 SCHEMATIC DIAGRAM IC301 PIN 48 0.5 V WF4 MAIN 2/4 SCHEMATIC DIAGRAM IC401 PIN 42 5V Upper: WF6 Lower: WF1 MAIN 2/4 SCHEMATIC DIAGRAM J189 PB-C-MONI 0.2 V 10 ms WF3 MAIN 1/4 SCHEMATIC DIAGRAM J116 CTL 0.
WIRING DIAGRAM WIRING DIAGRAM FOR SECTION 2 (DECK MECHANISM) ANODE CL802 SP801 SPEAKER FOCUS CRT CN501 CRT CBA BT5300F01012 SCREEN CL501A 3 HEATER 2 GND 1 P-ON+180V D.Y.
SYSTEM CONTROL TIMING CHARTS Chart 1 EJ POWER -OFF LD-FWD 0.2S STOP (B) 0.2S SB LD-REV +0.1S after selecting a channel CL SB TL CASS.LOAD 0.2S LD-REV FB TL SF STOP 0.2S 0.2S 1.2S LD-FWD AU FB SF AL 0.2S LD-FWD 0.5S AU SF LD-REV 0.2S 0.4S STOP(A) PLAY AU 0.2S 0.8S 0.3S PLAY PLAY 0.5S AL LD-FWD 0.1S REW GC SS LD-FWD RS RS 0.3S RS 0.2S FF GC AL SS AU LD-REV FS AL LD-FWD FS PLAY PLAY 1.0S PLAY STILL PAUSE >5.0S 5.
Chart 2 LD-SW SF FB TL FF 0.2S FB SF 0.2S LD-FWD FB SF AL 0.5S STOP AU LD-FWD STOP(A) 0.4S SF AU LD-REV TL FB SF FB 0.2S REW FB AL 0.5S STOP AU SF LD-FWD 0.4S AU LD-REV SF STOP(A) REC REC 0.2S REC 1.0S AU AL LD-FWD PAUSE SS GC RS LD-FWD GC SS AL LD-REV AU 0.2S REC PAUSE 2.5S Short REV REC 1.2S SS GC RS REC PAUSE REC or PAUSE REC STOP /EJECT LD-FWD AL LD-FWD 1.5S SS LD-REV GC AL 0.2S AU AL 0.4S AU LD-REV SF STOP LD-REV 0.
IC PIN FUNCTION DESCRIPTIONS IC 201 (TV/VCR Micro Computer) “H” ≥ 4.5V, “L” ≤ 1.0V Pin IN/ No. OUT Signal Name Function Pin IN/ No.
Pin IN/ No. OUT Signal Name 62 OUT OSD-B Blue Output 63 OUT OSD-G Green Output 64 OUT OSD-R Red Output 65 OUT A-MUTE Audio Mute Output OUT C-F/R Capstan Motor FWD/REV Control Signal 66 Pin IN/ No.
LEAD IDENTIFICATIONS 2SD2627LS-FEC-YB11 TT2084LS-YB11 2SK2662 PT204-6B-12 MID-32A22 2SD400(F) E: Emitter C: Collector B: Base S: Souce D: Drain G: Gate B C E S D G E ECB C LA78040A AN5522 2SC1627Y-TPE2 2SA950(Y,O) KTA1271(Y) 2SC2482 TPE6 2SC3468(E,D)-AE KTC3207 2SA1175(F) KTA1267(GR) KTC3198(GR) KRA103M 2SA1346 2SC1815-GR(TPE2) 2SC3331(T,U) 2SC2120-(O,Y)(TPE2) KTC3203(Y) ECB IN G OUT BN1F4M-T KTC3199(GR) 2SC2785(J,H,F) KTA1266(GR) 2SA1015-GR(TPE2) ECB KIA7805API KA7805A AN7805F M37760M8H8C8
DECK MECHANISM SECTION 19" COLOR TV/VCR COMBINATION SC319C/6319CC/EWC1902 Sec. 2: Deck Mechanism Section I Standard Maintenance I Alignment for Mechanism I Disassembly/Assembly of Mechanism I Alignment Procedures of Mechanism TABLE OF CONTENTS Standard Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1-1 Service Fixtures and Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
STANDARD MAINTENANCE Service Schedule of Components H: Hours Deck Ref.No.
Cleaning Cleaning of Audio Control Head Cleaning of Video Head Clean the head with a cotton swab. Procedure 1.Remove the top cabinet. 2.Dip the cotton swab in 90% isopropyl alcohol and clean the audio control head. Be careful not to damage the upper drum and other tape running parts. Clean the head with a head cleaning stick or chamois cloth. Procedure 1.Remove the top cabinet. 2.Put on a glove (thin type) to avoid touching the upper and lower drum with your bare hand. 3.
SERVICE FIXTURE AND TOOLS J-1-1, J-1-2 J-2 J-3 J-4 J-5 Ref. No. Name Part No. Adjustment J-1-1 Alignment Tape FL8A Head Adjustment of Audio Control Head J-1-2 Alignment Tape FL8N (2Head only) FL8NW (4Head only) Azimuth and X Value Adjustment of Audio Control Head / Adjustment of Envelope Waveform J-2 Guide Roller Adj.Screwdriver Available Locally Guide Roller J-3 Mirror FSJ-0004 Tape Transportation Check J-4 Azimuth Adj.
MECHANICAL ALIGNMENT PROCEDURES B. Method to place the Cassette Holder in the tapeloaded position without a cassette tape Explanation of alignment for the tape to correctly run starts on the next page. Refer to the information below on this page if a tape gets stuck, for example, in the mechanism due to some electrical trouble of the unit. 1. Disconnect the AC Plug. 2. Remove the Top Case and Front Assembly. Service Information 3. Turn the LDG Belt in the appropriate direction shown in Fig. M1.
1.Tape Interchangeability Alignment Note: To do these alignment procedures, make sure that the Tracking Control Circuit is set to the center position every time a tape is loaded or unloaded. (Refer to page 2-3-4, procedure 1-C, step 2.) Equipment required: Dual Trace Oscilloscope VHS Alignment Tape (FL8N) Guide Roller Adj. Screwdriver X-Value Adj. Screwdriver Note: Before starting this Mechanical Alignment, do all Electrical Adjustment procedures.
1-A. Preliminary/Final Checking and Alignment of Tape Path 3. Check to see that the tape runs without creasing at Take-up Guide Post [4] or without snaking between Guide Roller [3] and AC Head. (Fig. M3 and M5) Purpose: To make sure that the tape path is well stabilized. 4. If creasing or snaking is apparent, adjust the Tilt Adj. Screw of the AC Head. (Fig. M6) Symptom of Misalignment: If the tape path is unstable, the tape will be damaged. Note: Do not use an Alignment Tape for this procedure.
1-D. Azimuth Alignment of Audio/Control/ Erase Head 6. Press CH DOWN button on the unit until the CTL waveform has shifted from its original position (not the position achieved in step 5, but the position of CTL waveform in step 4) by approximately -2msec. Make sure that the envelope is simply attenuated (shrinks in height) once CTL waveform passes its original position and is further brought in the minus direction.
DISASSEMBLY/ASSEMBLY PROCEDURES OF DECK MECHANISM Before following the procedures described below, be sure to remove the deck assembly from the cabinet. (Refer to CABINET DISASSEMBLY INSTRUCTIONS on page 1-6-1.) All the following procedures, including those for adjustment and replacement of parts, should be done in Eject mode; see the positions of [41] and [42] in Fig.DM1 on page 2-4-3. When reassembling, follow the steps in reverse order. STEP START/LOC. ING No. No. PART Fig. No.
STEP STARTING /LOC. No. No. PART REMOVAL REMOVE/*UNHOOK/ UNLOCK/RELEASE/ UNPLUG/DESOLDER Fig. No.
Top View [7] [41] [42] [46] [9] [8] [43] [14] [13] [11] [15] [35] [36] [10] [12] [34] [33] [40] [29] [38] [37] [39] Fig. DM1 Bottom View [19] [32] [31] [24] [26] [27] [25] [23] [28] [22] [20] [21] [30] Fig.
[3] (S-1) [1] (S-1) [4] [5] (S-2) [6] (P-1) (S-3) (S-4) Fig. DM5 Fig. DM3 [7] [46] Pin D Pin C A [2] 2 Pull up 1 Slide (L-8) Pin A Pin B Slot A (S-5) Slots B A Slot A First, while pushing the locking tab as shown in the right, slide and pull up the right side on [2] to release Pin A and Pin B from the slots A. Then, remove Pin C and Pin D on [2] from the slots B as shown. Locking tab Desolder from bottom View for A Fig. DM4 View for A 2-4-4 Lead with Blue Stripe Fig.
(S-7) [14] (S-8) [9] (S-9) [8] [15] A Desolder from bottom [8] (S-6) LDG Belt Lead with White Stripe View for A Fig. DM7 (L-2) Fig. DM9 Adj. Screw [11] (L-1) [17] (L-3) (P-3) After removing the Screw (S-10), while pressing the Locking Tab (L-3), remove [16]. [16] [13] [18] [12] [10] (P-2) A (S-10) Fig. DM10 Pin of [12] Pin of [10] Grooves of [28] [28] View for A When reassembling [10] and [12], confirm that pin of [10] and pin of [12] are in the grooves of [28] as shown. Fig.
Cap Belt A [19] (C-1) Portions A on [21] must be set in the slot on [20] as shown. [20] Portions A [21] Portions A View for A Fig. DM12 (S-11) Fig.
(C-3) [25] (C-2) (C-5) [22] [23] (S-12) (P-4) [27] (L-4) (C-4) [26] [28] [24] (P-4) [28] When installing [23], install the spring (P-4) to [28] as shown in the left figure, and then install [23] while pressing the spring (P-4) to the direction of the arrow in the left figure and confirming that the position of the spring (P-4) is placed as shown in the left figure.
Refer to the Alignment Section, Page 2-4-9. [42] [41] (P-5) [43] [30] (L-7) [32] [29] [31] (L-5) Fig. DM17 Fig. DM15 [35] (C-7) [38] (C-6) (P-7) turn [40] [37] (L-6) [39] [34] [36] turn [33] [45] (P-6) [44] Slide Fig. DM18 turn Fig.
ALIGNMENT PROCEDURES OF MECHANISM Alignment 1 The following procedures describe how to align the individual gears and levers that make up the tape loading/unloading mechanism. Since information about the state of the mechanism is provided to the System Control Circuit only through the Mode Switch, it is essential that the correct relationship between individual gears and levers be maintained. All alignments are to be performed with the mechanism in Eject mode, in the sequence given.
Alignment 3 Cam Gear (A), Rack Assembly Install the Rack Assembly so that the first tooth on the gear of the Rack Assembly meets the first groove on the Cam Gear (A) as shown in Fig. AL4. Top View Cam Gear (A) Alignment 3 First tooth First groove on the Cam Gear (A) Gear on Rack Assembly Fig.
EXPLODED VIEWS AND PARTS LIST SECTION 19" COLOR TV/VCR COMBINATION SC319C/6319CC/EWC1902 Sec. 3: Exploded views and Parts List Section I Exploded views I Parts List TABLE OF CONTENTS Cabinet Exploded Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1-1 Packing Exploded Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
EXPLODED VIEWS Cabinet SHINWHA TAPE SGT-730 (BLACK) V501-1 V501-2 SHINWHA TAPE SGT-730 (WHITE) Details for L551 and surrounding parts L551 SCOTCH TAPE #880 V501-3 CLN551 L1 B2 CRT CBA A3 B4 L1 B3 L551 TL3 TL3 A4 TB2 B2 DG601 B2 TL1 TL1 B4 V501 TL1 B5 B1 SCOTCH TAPE #880 TL1 1B1 L4 B2 TB9 TL2 SP801 W601 TL17 L4 TL2 CL802 A1-5 TB26 TL16 TL17 B11 A1-1 TB3 TB22 L1 L1 TL2 B5 A2 TL17 TB10 TB21 TB7 A1-6 TL14 TL14 MAIN CBA A1-4 TB1 TL15 A1X TB23 A1-3 See Electrical
Packing X-3 X-4 X-2 X-7 X-1 TAPE S-2 S-14 TAPE S-3 S-6 S-3 S-4 FR ON T S-1 3-1-3 T7300PEX
DECK EXPLODED VIEWS Deck Mechanism View 1 Mark B2 Description Part No. (Blue grease) 0VZZ00109 Floil G-374G 0VZZ00226 SLIDUS OIL #150 B35 L1467 B494 B9 B10 L1191 B73 B553 B411 B567 L1053 B410 B74 L1051 Chassis Assembly Top View (Lubricating Point) B501 L1450 B560 B426 B121 B126 L1468 B12 B11 B571 B492 L1466 B8 B37 Some Ref. Numbers are not in sequence.
Deck Mechanism View 2 Mark Description Part No. (Blue grease) 0VZZ00109 Floil G-374G B27 B574 B508 B148 B487 B573 B518 B414 B521 B564 B499 B3 L1406 B520 B522 B31 B558 B585 B557 B416 B572 B565 L1151 B525 B417 B568 B133 B551 B569 B505 B488 B491 B559 B570 A View for A (Grease point) B516 Bottom Side (Grease point) B502 B507 B513 B52 Bottom Side (Grease point) Some Ref. Numbers are not in sequence.
Deck Mechanism View 3 Mark Description Part No. (Blue grease) 0VZZ00109 Floil G-374G L1321 B347 L1321 B354 B355 Note: There are two different, but interchangeable types of CLEANER LEVER(B359) in this model, and have different combination with B361. Please see Table 1 for details and combination. (Refer to DECK PARTS LIST section on page 3-4-1.) Table 1 (B359 and B361 Combination) B359 CLEANER LEVER B361 Type ID No. ID No.
MECHANICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual. Don't degrade the safety of the product through improper servicing. NOTES: 1. Parts that are not assigned part numbers (---------) are not available. 2. Comparison Chart of Models and Marks Ref. No. Mark Model Mark SC319C A 6319CC B EWC1902 C Description Ref. No.
Ref. No. Mark V501# Description Part No. V501: CRT Type No. V501: CRT Part No. L551: Deflection Yoke Part No. CRT A48JLL90X TCRT190QS009 V501-1 C.P.MAGNET JH225-014 XM04000BV009 CRT A48LRH93X(W) TCRT190P7002 LLBY00ZSY007 V501-2 WEDGE FT-00110W XV10000T4001 CRT A48LRH93X(W) TCRT190P7002 LLBY00ZQS005 V501-3 RUBBER MAGNET 20X10X1.
ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual. Don't degrade the safety of the product through improper servicing. NOTES: 1. Parts that are not assigned part numbers (---------) are not available. 2. Tolerance of Capacitors and Resistors are noted with the following symbols. C.....±0.25% D.....±0.5% Ref. No. C235 J......±5% K...
Ref. No. Description Part No. Ref. No. Description Part No. C323 ELECTROLYTIC CAP. 470µF/10V M or CE1AMASDL471 ELECTROLYTIC CAP. 470µF/10V M CE1AMASTL471 C325 ELECTROLYTIC CAP. 2.2µF/50V M LL or CE1JMASLL2R2 ELECTROLYTIC CAP. 2.2µF/50V LL CE1JMASLH2R2 FILM CAP.(P) 0.1µF/50V J or CMA1JJS00104 CERAMIC CAP. B K 1000pF/2KV or CA3D102MR030 FILM CAP.(P) 0.1µF/50V J CA1J104MS029 CERAMIC CAP. B K 1000pF/2KV CCD3DKD0B102 C326 C328 CERAMIC CAP.
Ref. No. Description Part No. C613 FILM CAP.(P) 0.001µF/50V J or FILM CAP.(P) 0.001µF/50V J C614# FILM CAP.(P) 0.082µF/50V J or # FILM CAP.(P) 0.082µF/50V J CA1J823MS029 C615 CERAMIC CAP. BN 820pF/2KV or CCD3DKA0B821 CERAMIC CAP. LB 820pF/2KV or Ref. No. Description Part No. C861 CHIP CERAMIC CAP. CH J 100pF/50V CA1J102MS029 C862 CHIP CERAMIC CAP. B K 0.01µF/50V CHD1JKB0B103 CMA1JJS00823 C863 ELECTROLYTIC CAP. 10µF/25V M H7 CE1EMAVSL100 C864 ELECTROLYTIC CAP.
Ref. No. Description D312 SWITCHING DIODE 1SS133(T-77) or D313 SWITCHING DIODE 1N4148 D314 D401 D552 Part No. Ref. No. Description Part No. QDTZ001SS133 # SCHOTTKY BARRIER DIODE ERA81-004 QDPZERA81004 SWITCHING DIODE 1N4148 NDTZ001N4148 D619 DIODE FR104-B or NDLZ000FR104 SWITCHING DIODE 1SS133(T-77) or QDTZ001SS133 RECTIFIER DIODE 10ELS2 or QDQZ0010ELS2 NDTZ001N4148 RECTIFIER DIODE ERA22-02 QDPZ0ERA2202 ZENER DIODE MTZJT-779.1B or QDTB0MTZJ9R1 D620# ZENER DIODE MTZJT-776.
Ref. No. Description Part No. # VERTICAL OUTPUT IC LA78040A QSBBA0SSY003 Ref. No. Q491 Description Part No.
Ref. No. Description TRANSISTOR 2SC1815-GR(TPE2) Q874 Q875 Part No. Ref. No. QQS102SC1815 Description Part No. CARBON RES. 1/6W J 5.6k Ω RCX6JATZ0562 TRANSISTOR 2SC3331(T) or QSC3331TNPAA R243 CHIP RES.(1608) 1/10W J 1k Ω RRXAJB5Z0102 TRANSISTOR 2SC3331(U) or QSC3331UNPAA R244 CHIP RES.(1608) 1/10W J 1M Ω RRXAJB5Z0105 TRANSISTOR 2SC1815-GR(TPE2) QQS102SC1815 R245 CHIP RES.(1608) 1/10W J 470 Ω RRXAJB5Z0471 RES. BUILT-IN TRANSISTOR KRA103M or NQSZ0KRA103M R247 CHIP RES.
Ref. No. Description Part No. CARBON RES. 1/6W J 180k Ω RCX6JATZ0184 Ref. No. R560 Description Part No. CARBON RES. 1/4W J 5.1k Ω or RCX4JATZ0512 R322 CHIP RES.(1608) 1/10W J 15k Ω RRXAJB5Z0153 CARBON RES. 1/6W J 5.1k Ω RCX6JATZ0512 R323 CHIP RES.(1608) 1/10W J 6.8k Ω RRXAJB5Z0682 R561 CHIP RES.(1608) 1/10W J 5.6k Ω RRXAJB5Z0562 R324 CARBON RES. 1/4W J 100 Ω or RCX4JATZ0101 R562 CARBON RES. 1/4W J 4.7 Ω RCX4JATZ04R7 CARBON RES. 1/6W J 100 Ω RCX6JATZ0101 R563 CARBON RES.
Ref. No. R607 R608 R609 R610 R613 Description Part No. CARBON RES. 1/6W J 220 Ω RCX6JATZ0221 Ref. No. Description Part No. CARBON RES. 1/6W J 68k Ω RCX6JATZ0683 RCX4JATZ0220 CARBON RES. 1/4W J 220 Ω or RCX4JATZ0221 R650# CARBON RES. 1/4W J 22 Ω or CARBON RES. 1/6W J 220 Ω RCX6JATZ0221 # CARBON RES. 1/6W J 22 Ω RCX6JATZ0220 CARBON RES. 1/4W J 180k Ω or RCX4JATZ0184 R651# CARBON RES. 1/4W J 560 Ω or RCX4JATZ0561 CARBON RES. 1/6W J 180k Ω RCX6JATZ0184 # CARBON RES.
Ref. No. Description CARBON RES. 1/6W J 820 Ω Part No. RCX6JATZ0821 SWITCHES SW201 SW202 SW203 SW204 SW205 SW206 SW207 SW208 SW209 SW210 SW211 SW212 Ref. No. Description Part No.
Ref. No. Q501 Q502 Q503 Description Part No.
DECK PARTS LIST Note: There are two different, but interchangeable types of CLEANER LEVER(B359) in this model, and have different combination with B361. Please see Table 1 for details and combination. Table 1 (B359 and B361 Combination) B359 CLEANER LEVER Type ID No. A 0VM304413 B 0VM305090 Ref.No B361 ID No. 0VM411114 Not used Description Part No. Ref.No B499 Description Part No.
SC319C/6319CC/EWC1902 T7300UA/2UC/3UD Printed in Japan 2002-02-20 HO
