Ver. 2 Please refer to the MODIFICATION NOTICE. SERVICE MANUAL MODEL JP E3 DVD-1740/558 E2 EK E2A E1C E1K EUT 3 DVD VIDEO PLAYER 注 意 サービスをおこなう前に、このサービスマニュアルを 必ずお読みください。本機は、火災、感電、けがなど に対する安全性を確保するために、さまざまな配慮を おこなっており、また法的には「電気用品安全法」に もとづき、所定の許可を得て製造されております。 従ってサービスをおこなう際は、これらの安全性が維 持されるよう、このサービスマニュアルに記載されて いる注意事項を必ずお守りください。 ● For purposes of improvement, specifications and design are subject to change without notice.
DVD-1740/558 SAFETY PRECAUTIONS The following check should be performed for the continued protection of the customer and service technician. LEAKAGE CURRENT CHECK Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis resistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of the power cord is less than 460 kohms, the unit is defective.
DVD-1740/558 SPECIFICATIONS Item Conditions Unit Nominal Limit 1. Video Output 75 Ω load Vpp 1.0 ± 0.1 2. Coaxial Digital Out 75 Ω load mVpp 500 ± 50 1 kHz, 0 dB Vrms 2.0 dB 115 3. Audio (PCM) 3-1. Output Level 3-2. S/N 3-3. Freq. Response DVD fs = 48 kHz, 20 Hz ~ 22 kHz dB ± 1.0 CD fs = 44.1 kHz, 20 Hz ~ 20 kHz dB ± 1.0 DVD 1 kHz, 0 dB % 0.004 CD 1 kHz, 0 dB % 0.004 3-4. THD+N Notes: 1. All Items are measured without pre-emphasis unless otherwise specified. 2.
DVD-1740/558 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 their original positions. Afterwards, do the following tests and confirm the specified values to verify compliance with safety standards. 1.
DVD-1740/558 STANDARD NOTES FOR SERVICING Circuit Board Indications Pb (Lead) Free Solder 1. The output pin of the 3 pin Regulator ICs is indicated as shown. When soldering, be sure to use the Pb free solder. How to Remove / Install Flat Pack-IC Top View Out Bottom View In 1. Removal Input With Hot-Air Flat Pack-IC Desoldering Machine: 1. Prepare the hot-air flat pack-IC desoldering machine, then apply hot air to the Flat Pack-IC (about 5 to 6 seconds). (Fig. S-1-1) 2.
DVD-1740/558 With Soldering Iron: 3. 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 the solder lands under the IC when removing it. CBA 1. Using desoldering braid, remove the solder from all pins of the flat pack-IC. When you use solder flux which is applied to all pins of the flat pack-IC, you can remove it easily. (Fig.
DVD-1740/558 With Iron Wire: 2. Installation 1. Using desoldering braid, remove the solder from all pins of the flat pack-IC. When you use solder flux which is applied to all pins of the flat pack-IC, you can remove it easily. (Fig. S-1-3) 1. Using desoldering braid, remove the solder from the foil of each pin of the flat pack-IC on the CBA so you can install a replacement flat pack-IC more easily. 2. Affix the wire to a workbench or solid mounting point, as shown in Fig. S-1-5. 2.
DVD-1740/558 Instructions for Handling Semiconductors Electrostatic breakdown of the semi-conductors may occur due to a potential difference caused by electrostatic charge during unpacking or repair work. 1. Ground for Human Body Be sure to wear a grounding band (1 MΩ) that is properly grounded to remove any static electricity that may be charged on the body. 2.
DVD-1740/558 CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart This flowchart indicates the disassembly steps to gain access to item(s) to be serviced. When reassembling, follow the steps in reverse order. Bend, route, and dress the cables as they were originally. ID/ Loc. No.
DVD-1740/558 Reference Notes 1. CAUTION 1: Locking Tabs (L-1), (L-2), (L-3) and (L-4) are fragile. Be careful not to break them. [3] Tray Panel 1) Release four Locking Tabs (L-1), then release two Locking Tabs (L-2). (L-4) 2) Release three Locking Tabs (L-3). 3) Disconnect connector CN2001, then remove the Front Unit. (L-2) (L-1) 2.
DVD-1740/558 [6] Reinforce Plate [7] Rear Panel (S-6) (S-3) DVD1740BKE3 only (S-8) (S-8) (S-4) (S-4) (S-5) (S-4) (S-3) [9] DVD Mechanism Fig. D4 Fig. D6 (S-9) [8] DVD Main CBA Unit [11] AV CBA (S-7) CN201 CN301 A (S-9) (S-10) CN601 [10] LED CBA (S-9) CN401 CN2102 Fig. D7 Short the three short lands by soldering. (Either of two places.) FPC Cable View for A Fig.
DVD-1740/558 (S-11) [12] Loader Base (S-11) (S-12) [14] Power PCB Holder (S-13) [13] Main PCB Holder Fig. D8 3. How to Eject Manually 1. Remove the Top Cover. 2. Rotate the roulette in the direction of the arrow as shown below.
DVD-1740/558 HOW TO INITIALIZE THE DVD PLAYER To put the program back at the factory-default, initialize the DVD player using the following procedure. 1. Press [1], [2], [3], [4], and [DISPLAY] buttons on the remote control unit in that order. Fig. a appears on the screen. "*******" differ depending on the models. MODEL Version Region : ******* : *.** : * LD OPERATING TIME TIME(DVD) : *:** TIME(CD) : *:** EEPROM CLEAR : CLEAR EXIT: POWER Fig. a 2. Press [CLEAR] button on the remote control unit. Fig.
DVD-1740/558 FIRMWARE RENEWAL MODE The appearance shown in (*1) of Fig. c is described as follows: 1. Turn the power on and remove the disc on the tray. 2. To put the DVD player into version up mode, press [9], [8], [7], [6], and [SEARCH MODE] buttons on the remote control unit in that order. The tray will open automatically. Fig. a appears on the screen and Fig. b appears on the VFD. No. "*******" differs depending on the models. F/W Version Up Mode Appearance State 1 Reading...
DVD-1740/558 10. Press [CLEAR] button on the remote control unit. Fig. h appears on the screen. "*******" differ depending on the models. MODEL Version Region : ******* : *.** : * LD OPERATING TIME TIME(DVD) : *:** TIME(CD) : *:** EEPROM CLEAR : OK EEPROM CLEAR : CLEAR EXIT: POWER Fig. h When “OK” appears on the screen, the factory default will be set. Then the firmware renewal mode is complete. 11. To exit this mode, press [POWER OFF] button.
DVD-1740/558 TRAY LOCK MODE Tray Lock Mode prevents the tray opening or closing to prevent disc theft in demo mode. Enter this mode using the following procedure. 1. Confirm that the TV Monitor is connected. 2. With playback stopped, press [SETUP], [TOP MENU], [3], [AUDIO], [0] and [SETUP] buttons on the remote control unit in that order. "TRAY LOCK ON" will appear in the upper right corner on the screen. 3.
DVD-1740/558 REMOTE LOCK MODE Note: DVD1740BKE3 only has this mode. SETTING MENU: Remote Lock Off Mode: This mode receives an input signal from the remote control unit or from the Remote In-Jack on the rear panel. Remote Lock On Mode: This mode dose not receive an input signal from the remote control unit or from the Remote In-Jack on the rear panel. Perform the setting using the following procedure. 1.
DVD-1740/558 TROUBLESHOOTING FLOW CHART NO.1 The power cannot be turned on. Is the fuse normal? Yes Is normal state restored when once unplugged power cord is plugged again after several seconds? Yes Is the MICON +3.3V line voltage normal? Yes Check each rectifying circuit of the secondary circuit and service it if defective. No No No See FLOW CHART No.2 Check if there is any leak or short-circuiting on the primary circuit component, and service it if defective.
DVD-1740/558 FLOW CHART NO.6 P-ON+10V (EV+9V) is not outputted. Is 11V voltage supplied to the emitter of Q1002? No Check D1030, D1048, C1035, C1048, L1009 and the periphery circuit, and service it if defective. Yes No Is the voltage of base on Q1002 lower than the voltage of emitter on Q1002 when turning the power on? Check Q1016 and PWRCON line and service it if defective. Yes Replace Q1002. FLOW CHART NO.7 P-ON+5V is not outputted. (EV+9V is outputted normally.
DVD-1740/558 FLOW CHART NO.12 The fluorescent display tube does not light up. Is 3.3V voltage supplied to Pins(6,24) of IC2001? Yes Is the voltage of approximately -20V supplied to Pin(15) of IC2001? Yes No No Check the -FL (-20V) line and service it if defective. No Check R2002, IC2001 and their periphery, and service it if defective.
DVD-1740/558 FLOW CHART NO.15 The disc tray cannot be opened and closed. (It can be done using the remote control unit.) Is the normal control voltage inputted to Pin(31) of IC2101? Refer to "FLOW CHART NO.13" No Replace the "OPEN/CLOSE" switch (SW2108). Yes Refer to "FLOW CHART NO.16" FLOW CHART NO.16 The disc tray cannot be opened and closed. Replace the DVD Main CBA Unit. No improvement can be found.
DVD-1740/558 FLOW CHART NO.20 Both functions of picture and sound do not operate normally. Replace the DVD Main CBA Unit. No improvement can be found. Yes No Original DVD Main CBA Unit is poor. Replace the DVD Mechanism. FLOW CHART NO.21 Picture does not appear normally. Set the disc on the disc tray, and playback.
DVD-1740/558 FLOW CHART NO.22 Audio is not outputted normally. Set the disc on the disc tray, and playback. Are the analog audio signals outputted to each pin of CN1601 on AV CBA? No Replace the DVD Main CBA Unit or DVD Mechanism. CN1601 12PIN AUDIO(L) CN1601 14PIN AUDIO(R) Yes Are the analog audio signals inputted to each pin of IC1201. No IC1201 2PIN AUDIO(L) IC1201 6PIN AUDIO(R) Check each line between each pin of CN1601 and each pin of IC1201 on AV CBA, and service it if detective.
M SLED MOTOR M SPINDLE MOTOR TRAY-IN DRIVE CBA TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM TO AUDIO BLOCK DIAGRAM CN301 SP(+) 1 SP(-) 2 GND 3 SL(-) 4 SL(+) 5 TRAY-IN 6 TS(+) TS(-) FS(+) FS(-) AUDIO-MUTE ADAC-MD ADAC-MC ADAC-ML - + SLED MOTOR DRIVE 17 18 - 7 5 6 14 8 IC202 (OP AMP) 23 6 4 5 3 1 2 25 24 27 26 10 9 12 13 - + - + - + VREF RESET 3 IC462 DVD MAIN CBA UNIT +3.
FS PICK-UP UNIT TS DETECTOR FS(+) FS(-) TS(+) TS(-) CD-LD DVD-LD PD-MONI GND(DVD-PD) GND(CD-PD) GND(LD) C D A B CD/DVD ~ 42 53 13 2 ~ ~ CN201 2 3 1 4 FS(+) FS(-) TS(+) TS(-) Q253,Q254 CN201 10 AMP 8 AMP Q251,Q252 7 6 5 9 159 DATA RAM INST.
TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM YC(0-7) SPDIF PCM-DATA0 PCM-SCLK PCM-LRCK PCM-BCK I2C-SCL I2C-SDA CN1601 2 10 8 6 4 2dB AMP 2dB AMP 2dB AMP 10 11 13 7 DDC I/F 86 90 DVD MAIN CBA UNIT 12 10 83 VIDEO I/F 10 12 81 6 18 7 1 16 TMDS CLOCK- TMDS CLOCK+ TMDS DATA0+ TMDS DATA0- TMDS DATA1+ TMDS DATA1- TMDS DATA2+ TMDS DATA2- SDA CNF01 HDMI-CONNECTOR HOT PLUG 19 DETECT 15 SCL VIDEO-Pr/Cr OUT VIDEO-Pb/Cb OUT VIDEO-Y OUT 24 5 J
TO SYSTEM CONTROL /SERVO BLOCK DIAGRAM TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM TO SYSTEM CONTROL /SERVO BLOCK DIAGRAM TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM AUDIO-MUTE PCM-SCLK ADAC-MD ADAC-MC ADAC-ML PCM-BCK PCM-DATA0 PCM-LRCK SPDIF 4 3 2 7 6 8 SERIAL CONTROL PORT AUDIO SERIAL PORT 5 SYSTEM CLOCK MANAGER ZERO DETECT ENHANCED MULTI-LEVEL DELTA-SIGMA MODULATOR DVD MAIN CBA UNIT 4X/8X OVERSAMPLING DIGITAL FILTER /FUNCTION CONTROLLER IC601 (AUDIO DAC) DAC DAC LPF+AMP LPF+AMP R-CH
AC1001 AC CORD A F F1001 1A 250V V LINE FILTER L1001 HOT CIRCUIT. BE CAREFUL. BRIDGE RECTIFIER D1001, D1002 D1004, D1005 28 AV CBA HOT 4 D 1 EN/UV 2 BP/M Q1001 (SWITCHING) S S S S 8 7 6 5 3 4 2 1 RECTIFIER D1016 RECTIFIER D1010 RECTIFIER D1030 2 REG 1 3 D1006 SCHOTTKY BARRIER D1008 SCHOTTKY BARRIER RECTIFIER D1003 Q1022 SW+2.
DVD-1740/558 SCHEMATIC DIAGRAMS / CBA’S AND TEST POINTS Standard Notes WARNING Many electrical and mechanical parts in this chassis have special characteristics. These characteristics often pass unnoticed and the protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage, wattage, etc.
DVD-1740/558 LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES: 1. CAUTION: F A V FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE. ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQES D'INCELE N'UTILISER QUE DES FUSIBLE DE MÊME TYPE. RISK OF FIRE-REPLACE FUSE AS MARKED. This symbol means fast operating fuse. Ce symbole represente un fusible a fusion rapide. 2.
DVD-1740/558 DVD Main 1/4 Schematic Diagram 1 NOTE: Either IC461 or IC462 is used for DVD MAIN CBA UNIT.
DVD-1740/558 DVD Main 2/4 Schematic Diagram 32
DVD-1740/558 DVD Main 3/4 Schematic Diagram 33
DVD-1740/558 DVD Main 4/4 Schematic Diagram 34
DVD-1740/558 AV 1/3 Schematic Diagram F CAUTION ! Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. If Main Fuse (F1001) 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. A V CAUTION ! For continued protection against fire hazard, replace only with the same type fuse.
DVD-1740/558 AV 2/3 Schematic Diagram 36
DVD-1740/558 AV 3/3, Function & LED Schematic Diagram Comparison Chart of Models and Marks 7G TL./GR. TR. /CP. 6G 5G 4G PSCAN DVD A 3G 2G 1G RPT ALL CD SACD A B Model Mark DVD1740BKE3 DVD558BKE3 A B a h h c h h f d g b e FL2001 MATRIX CHART 7G 6G 5G 4G 3G 2G 1G a a a a a a a a b b b b b b b b c c c c c c c c d d d d d d d d e e e e e e e e f f f f f f f f g g g g g g g g h TL./GR. TR./CP. i 37 DVD h RPT.
DVD-1740/558 WAVEFORMS WF1 Pin 8 of CN1601 VIDEO-Y WF2 0.2V 0.2V Pin 14 of CN1601 AUDIO(R) 20µs Pin 10 of CN1601 VIDEO-C WF3 WF5 WF6 0.5ms Pin 16 of CN1601 SPDIF 20µs 0.5V 1V 0.1µs C1402 PLUS LEAD NOTE: VIDEO-CVBS 0.5V Measuring Disc DVD: DVDT-S01 CD : TCD-784 20µs Input Signal VIDEO: 75% COLOR BAR AUDIO: 1KHz, 0dB WF4 Pin 12 of CN1601 AUDIO(L) 0.5V 0.
AUDIO(L)OUT CN1001 (CN1001 is soldered directly to the PCB.) VIDEO OUT VIDEO-Y VIDEO-Pb/Cb VIDEO-Pr/Cr (COMPOSITE) OUT OUT OUT AUDIO(R)OUT AV CBA DIGITAL AUDIO OUT (OPTICAL) AC CORD CN1601 (CN1601 is soldered directly to the PCB.
DVD-1740/558 LEAD IDENTIFICATIONS KTA1267-Y-AT/P KTC3199-(GR,Y)-AT/P KRA110M-AT/P 2SA1980M Y KTA1273-Y-AT/P KRC103M-AT/P 2SA1015-Y(TE2 F T) 2SA966-Y(TE6 F M) KTA1266-Y-AT/P 2SC5343M Y 2SC5343MG-AT 2SC5344 Y 2SC2120-Y(TE2 F T) KTC3203-Y-AT/P 2SC1815-(GR,Y)(TE2 F T) 8 1 TNY277 7 6 5 2 4 E C B E C B KIA4558P/P UTC4558 MM1636XWRE CXA1511M-T4 PT6313-S-TP(L) SC16313G MM1637XVBE 8 5 16 9 28 15 1 4 1 8 1 14 0C-0805T*002 1 2 3 EL817B EL817C LTV-817C-F PS2561A-1(W) KIA2431AP-AT/P 1: R 2:
DVD-1740/558 EXPLODED VIEW Cabinet 2L011 2L011 2L011 A16 2L011 DVD Main CBA Unit 2L105 2L021 2L021 2L021 2L011 2L106 JK1401 CN3002 JK1404 JK1202 JK3501 A2 IC1204 [A] 2B5 1B1 2L107 AC1001 2L114 2L102 2B1 2B39 2L114 2L102 LED CBA F1001 2L106 2B34 2L101 2B3 A' AV CBA 2L051 2L051 [A] 2B2 2L071 2B4 2L041 2L041 2L043 A13 2L041 A21 A17 A12 2L023 2L052 A A15 2L052 A13 A11 A1X Function CBA 41 2L023 Comparison Chart of Models and Marks Model Mark DVD1740BKE3 DVD558BKE3
DVD-1740/558 PARTS LIST OF EXPLODED VIEW ＊本表に記載されている部品は、補修用部品のため製品に使用している部品とは一部、形状、寸法などが異なる場合があります。 ＊ The parts listed below are for maintenance only, might differ from the parts used in the unit in appearances or dimensions. ＊ "nsp" 印の部品は常時在庫していませんので供給に長時間を要することがあります。場合によっては、供給をお断りする場合があります。 ＊ Part indicated with the mark “nsp” are not always in stock and possibly to take a long period of time for supplying, or in some case supplying of part may be refused. Ref. No. nsp Part No.
DVD-1740/558 Packing X21 X12 X5 X10 X8 S2 X1 X4 S4 S2 Unit A22 A30 S1 A30 43 X2
DVD-1740/558 PARTS LIST OF PACKING & ACCESSORIES ＊本表に記載されている部品は、補修用部品のため製品に使用している部品とは一部、形状、寸法などが異なる場合があります。 ＊ The parts listed below are for maintenance only, might differ from the parts used in the unit in appearances or dimensions. ＊ "nsp" 印の部品は常時在庫していませんので供給に長時間を要することがあります。場合によっては、供給をお断りする場合があります。 ＊ Part indicated with the mark “nsp” are not always in stock and possibly to take a long period of time for supplying, or in some case supplying of part may be refused. Ref. No. ! nsp Part No.
