Service manual

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SERVICE MANUAL

COMPACT DISC DECK RECEIVER

E Model

SPECIFICATIONS

CX-JN331/JPK331

Ver. 1.0 2005.05

Model Name Using Similar Mechanism CX-JN33/JPK33

CD Mechanism Type CDM74KS-F1BD81C

Section

Base Unit Name BU-F1BD81C

Optical Pick-up Name KSM-215DCP

Tape deck

Model Name Using Similar Mechanism CX-JN33/JPK33

Tape Transport Mechanism Type

CWM43FF13 (JPK331)

Section

CWM43FR34 (JN331)

9-879-731-01

2005E05-1

Sony Corporation

Personal Audio Group

Published by Sony Engineering Corporation

– Continued on next page –

CX-JN331 is the amplifier, CD player, tape deck

and tuner section in JAX-N331.

CX-JPK331 is the amplifier, CD player, tape deck

and tuner section in JAX-PK331.

CX-JN331

The following measured at AC 120, 127, 220, 240 V

50/60 Hz

DIN power output (rated): 48 + 48 watts (6 ohms at

1 kHz, DIN)

Continuous RMS power output (reference):

60 + 60 watts (6 ohms at

1 kHz, 10% THD)

CX-JPK331

The following measured at AC 120, 127, 220, 240 V

50/60 Hz

DIN power output (rated): 48 + 48 watts (6 ohms at

1 kHz, DIN)

Continuous RMS power output (reference):

60 + 60 watts (6 ohms at

1 kHz, 10% THD)

Inputs

VIDEO/MD IN (phono jacks):

voltage 450/250 mV,

impedance 47 kilohms

MIC (phone jack) chilean and peruvian model

sensitivity 1 mV,

impedance 10 kilohms

Amplifier section

Outputs

PHONES (stereo mini jack):

accepts headphones of

8 ohms or more

SPEAKER: accepts impedance of 6 to

16 ohms

CD player section

System Compact disc and digital

audio system

Laser Diode Properties Emission duration:

continuous

Laser Output: Less than

44.6 µW

(This output is the value

measurement at a distance

of 200 mm from the

objective lens surface on

the Optical Pick-up Block

with 7 mm aperture)

Frequency response 2 Hz − 20 kHz (±0.5 dB)

Signal-to-noise ratio More than 90 dB

Dynamic range More than 90 dB

Tape deck section

Recording system 4-track 2-channel, stereo

Frequency response 50 − 13,000 Hz (±3 dB),

using Sony TYPE I

cassettes

Wow and flutter ±0.15% W. Peak (IEC)

0.1% W. RMS (NAB)

±0.2% W. Peak (DIN)

AM tuner section

Tuning range

2 Band type:

Tuner section

FM stereo, FM/AM superheterodyne tuner

FM tuner section

Tuning range 87.5 − 108.0 MHz

(50-kHz step)

Antenna FM lead antenna

Antenna terminals 75 ohms unbalanced

Intermediate frequency 10.7 MHz

530 − 1,710 kHz

(with the tuning interval

set at 10 kHz)

531 − 1,602 kHz

(with the tuning interval

set at 9 kHz)

Antenna AM loop antenna

Antenna terminals External antenna terminal

Intermediate frequency 450 kHz

Summary of content (80 pages)

PAGE 1
CX-JN331/JPK331 SERVICE MANUAL E Model Ver. 1.0 2005.05 CX-JN331 is the amplifier, CD player, tape deck and tuner section in JAX-N331. CX-JPK331 is the amplifier, CD player, tape deck and tuner section in JAX-PK331.
PAGE 2
CX-JN331/JPK331 General Power requirements Mexican models: Other models: Power consumption 127 V AC, 60 Hz 120 V, 22 0 V or 230 − 240 V AC, 50/60 Hz Adjustable with voltage selector 110 watts Dimensions (w/h/d) incl. projecting parts and controls Amplifier/Tuner/Tape /CD section: Approx. 280 × 325 × 425 mm Mass Approx. 8.3 kg Design and specifications are subject to change without notice. Notes on chip component replacement • Never reuse a disconnected chip component.
PAGE 3
CX-JN331/JPK331 TABLE OF CONTENTS 1. SERVICING NOTES ............................................... 4 2. GENERAL ................................................................... 7 3. DISASSEMBLY 3-1. 3-2. 3-3. 3-4. 3-5. 3-6. 3-7. 3-8. 3-9. 3-10. 3-11 3-12 3-13 3-14 3-15 Disassembly Flow ........................................................... Case (Side-L/R) ............................................................... Case (Top) .............................................................
PAGE 4
CX-JN331/JPK331 SECTION 1 SERVICING NOTES NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT • MODEL IDENTIFICATION – Rear View – The laser diode in the optical pick-up block may suffer electrostatic break-down because of the potential difference generated by the charged electrostatic load, etc. on clothing and the human body. During repair, pay attention to electrostatic break-down and also use the procedure in the printed matter which is included in the repair parts.
PAGE 5
CX-JN331/JPK331 HOW TO OPEN THE DISC TRAY WHEN POWER SWITCH TURNS OFF. 1 Remove the case (side-L). 2 Turn the loading gear in the direction of arrow A. A 3 Pull-out the disc tray.
PAGE 6
CX-JN331/JPK331 – FRONT PANEL SECTION – MAIN board PANEL board front panel section tape mechanism deck – AMP BOARD – front panel section SUB TRANS board AMP board TRANS board MAIN board 6
PAGE 7
CX-JN331/JPK331 SECTION 2 GENERAL This section is extracted from instruction manual.
PAGE 8
CX-JN331/JPK331 Remote control ALPHABETICAL ORDER BUTTON DESCRIPTIONS A–E F–Z ALBUM + qa ALBUM − qd CD qk CLEAR qg CLOCK/TIMER SELECT 2 CLOCK/TIMER SET 3 DISC SKIP 0 DISPLAY wa ENTER 9 EQ qf FM MODE 4 FUNCTION 6 PLAY MODE w; REPEAT 4 SLEEP ws TAPE qj TUNER BAND 5 TUNER MEMORY ql TUNING MODE w; VOLUME +/− qs ws wa w; ql qk qj qh ?/1 (power) 1 m/M (rewind/fast forward) 7 N (play) 8 X (pause) 8 x (stop) 8 −/+ (tuning) qh .
PAGE 9
CX-JN331/JPK331 SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW Note 1: The process described in can be performed in any order. Note 2: Without completing the process described in , the next process can not be performed. SET 3-2. CASE (SIDE-L/R) (Page 10) 3-3. CASE (TOP) (Page 10) 3-4. TRAY PANEL (Page 11) 3-5. CD MECHANISM DECK (CDM74KS-F1BD81C) (Page 11) 3-6. FRONT PANEL BLOCK (Page 12) 3-7. BACK PANEL SECTION (Page 12) 3-10.
PAGE 10
CX-JN331/JPK331 Note: Follow the disassembly procedure in the numerical order given. 3-2. CASE (SIDE-L/R) 1 two screws (case 3 TP2) 3 two screws (BVTP3 × 10) 7 case (side-R) 2 screw (case 3 TP2) 4 case (side-L) 6 two screws (BVTP3 × 10) 5 three screws (case 3 TP2) 3-3.
PAGE 11
CX-JN331/JPK331 3-4. TRAY PANEL four claws 3 Remove the tray panel in the direction of arrow C. 1 Turn the loading gear in the direction of arrow A. A C B 3-5. CD MECHANISM DECK (CDM74KS-F1BD81C) 2 Pull-out the tray in the direction of arrow B.
PAGE 12
CX-JN331/JPK331 3-6. FRONT PANEL BLOCK 2 connector (CN112) 1 wire (flat type) (29 core) (CN302) 2 connector (CN324) 2 connector (CN103) 6 front panel block 3 screw (BVTP3 × 8) 4 harness 2 connector (CN309) 5 three screws (BVTP3 × 8) 3-7.
PAGE 13
CX-JN331/JPK331 3-8. MAIN BOARD 1 connector (CN907) 4 MAIN board 3 connector (CN307) 2 two screws (BVTP3 × 8) 3-9. TAPE MECHANISM DECK (CWM43FF13: JPK331)/ (CWM43FR34: JN331) 1 six screws (BVTP2.
PAGE 14
CX-JN331/JPK331 3-10. TABLE ASSY 5 two claws A 4 hook 3 wire (flat type) (5 core) (CN702) 1 Turn the loading gear in the direction of arrow A. 2 Pull-out the table assy. 6 table assy 3-11. MOTOR (TB) BOARD 1 screw (PTPWH M2.6) 2 tray 3 belt (table) 6 MOTOR (TB) board 4 connector (CN731) 5 two screws (BTTP M2.
PAGE 15
CX-JN331/JPK331 3-12. MOTOR (LD) BOARD 3 two screws (BTTP M2.6) 4 MOTOR (LD) board 2 connector (CN704) 1 belt (loading) 3-13. BASE UNIT (BU-F1BD81C) 5 base unit (BU-F1BD81C) 1 wire (flat type) (27 core) (CN201) 4 four insulators 3 four coil springs (insulator) 2 four floating screws (PTPWHM2.
PAGE 16
CX-JN331/JPK331 3-14. MOTOR GEAR ASSY (SLED) (M102), CD BOARD 7 gear (A) 6 claw 8 gear (B) 2 two screws (P2 × 3) 5 wire (flat type) (16 core) (CN101) qa CD board 0 motor gear assy (SLED) (M102) 1 Remove two solders. 3 screw (2.6 × 8) 4 9 Remove two solders. 3-15. OPTICAL PICK-UP (KSM-215DCP) 3 Remove the optical pick-up (KSM-215DCP) in the direction of arrow B. B 2 sled shaft A 1 Slide the lever in the direction of arrow A.
PAGE 17
CX-JN331/JPK331 SECTION 4 TEST MODE MC COLD RESET CD TRAY LOCK MODE • The cold reset clears all data including preset data stored in the RAM to initial conditions. Execute this mode when returning the set to the customer. Procedure: 1. Press the I/1 button to turn the power ON. 2. Press three buttons of x , [P FILE] and [DISC 1] simultaneously. 3. The message “COLD RESET” is displayed on the fluorescent indicator tube momentarily, then becomes standby states.
PAGE 18
CX-JN331/JPK331 AGING MODE 3. Tape Deck Section • This mode can be used for operation check of CD section and tape deck section. CD section and tape deck section work in parallel. If an error occurred: The aging operation stops only an error occurred sections and display then status. If no error occurs: The aging operation continues repeatedly. Procedure: 1. Press the I/1 button to turn the power ON. 2. Press the [CD] button to select “CD”. 3. Set disc on the CD tray and set tape into the deck. 4.
PAGE 19
CX-JN331/JPK331 MC TEST MODE • This mode is used to check operations of microprocessor. Procedure: 1. Press the I/1 button to turn the power ON. 2. Press three buttons of x , [P FILE] and [DISC 3] simultaneously. 3. When the MC test mode is activated, VACS level is displayed on the fluorescent indicator tube momentarily. 4.
PAGE 20
CX-JN331/JPK331 The 7th and 8th digit from the left indicates: (Motor status display) The 7th and 8th digit from the left indicates which motor output status when an error occurred is indicated.
PAGE 21
SECTION 5 MECHANICAL ADJUSTMENTS PRECAUTION 1. Clean the following parts with a denatured alcohol-moistened swab: record/playback heads pinch rollers erase head rubber belts capstan idlers 2. Demagnetize the record/playback head with a head demagnetizer. 3. Do not use a magnetized screwdriver for the adjustments. 4. After the adjustments, apply suitable locking compound to the parts adjusted. 5. The adjustments should be performed with the rated power supply voltage unless otherwise noted.
PAGE 22
CX-JN331/JPK331 3. Mode: Playback test tape P-4-A100 (10 kHz, –10 dB) L-CH MAIN baord CN309 set CD SECTION oscilloscope pin 5 pin 4 L V H R R-CH Note: 1. CD Block is basically designed to operate without adjustment. Therefore, check each item in order given. 2. Use YEDS-18 (3-702-101-01) unless otherwise indicated. 3. Use an oscilloscope with more than 10MW impedance. 4.
PAGE 23
CX-JN331/JPK331 RF signal waveform VOLT/DIV : 200mV TIME/DIV : 500ns level : 1.3 ± 0.
PAGE 24
CX-JN331/JPK331 SECTION 7 DIAGRAMS 7-1.
PAGE 25
CX-JN331/JPK331 7-2.
PAGE 26
CX-JN331/JPK331 7-3. BLOCK DIAGRAM – PANEL/POWER SUPPLY Section – MAIN POWER TRANSFORMER PT901 SYSTEM CONTROLLER IC601 (3/3) 43 – 45, 47 – 50, 52 – 65 42 – 30 FLUORESCENT INDICATOR TUBE FL601 AMP B+ +1.5V REGULATOR IC303 CD +1.5V LED601 O-POWER LED 76 S1 – 21 LED DRIVE Q609 O-I-BASS LED 77 G1 – G13 I/1 CD +3V +3.3V REGULATOR IC302 LED602 B+3.5V +3.
PAGE 27
CX-JN331/JPK331 • Note for Printed Wiring Boards and Schematic Diagrams Note on Printed Wiring Board: • X : parts extracted from the component side. • Y : parts extracted from the conductor side. : Pattern from the side which enables seeing. • (The other layers' patterns are not indicated.) • Indication of transistor C Q These are omitted. B E • Abbreviation E51 : Chilean and Peruvian models Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted.
PAGE 28
CX-JN331/JPK331 7-4. PRINTED WIRING BOARD – CD Board – • See page 27 for Circuit Boards Location. 1 2 3 : Uses unleaded solder.
PAGE 29
CX-JN331/JPK331 7-5. SCHEMATIC DIAGRAM – CD Board – • See page 46 for IC Block Diagrams. • See page 46 for Waveforms. C131 100p TP423 IOP1 C142 1500p C133 0.01 C141 0.1 R151 0 TP125 RFACI C143 0.1 R131 1M C125 0.1 R133 180k R141 4.7k R132 10k C15 0.1 C17 220 4V R12 100k C123 0.1 C122 0.1 JPO10 APC C16 1 R10 3.
PAGE 30
CX-JN331/JPK331 7-6. PRINTED WIRING BOARDS – CHANGER Section – • See page 27 for Circuit Boards Location. 1 2 SENSOR BOARD 3 : Uses unleaded solder.
PAGE 31
CX-JN331/JPK331 VCC FIN GND RIN FIN GND RIN VM VM VCC OUT1 OUT1 OUT2 DRIVE RNF VREF LOADING MOTOR RNF • See page 46 for IC Block Diagrams. 7-7. SCHEMATIC DIAGRAM – CHANGER Section – IC701 BA6956AN CN721 2P M751 R702 100 CN704 2P LM-2 LM-2 LM-1 LM-1 C751 0.01 (LOADING) R701 470 D701 MTZJ-T-77 5.1A S711 TABLE MOTOR CN703 4P E3 E-3 E2 E-2 E1 E-1 VREF ADDRESS DETECT DRIVE OUT2 DISC TRAY IC712 BA6956AN R721 4.7k R723 4.7k R722 4.7k C737 0.1 C735 0.1 C736 0.
PAGE 32
CX-JN331/JPK331 7-8. PRINTED WIRING BOARD – CDMP3 CONNECT Board – • See page 27 for Circuit Boards Location. 1 A 2 3 4 : Uses unleaded solder.
PAGE 33
CX-JN331/JPK331 7-9. SCHEMATIC DIAGRAM – CDMP3 CONNECT Board – CN874 9P M+7V M-GND R-OUT JW865 A-GND L-OUT D-GND D-OUT JW866 FB871 0 AVDD FB872 0 DVDD (Page 36) CN873 17P NC MP3-STB MP3-REST MP3-REQ JW877 MP3-ACK MP3-LP MP3-CS JW878 JW875 JW876 MP3-CLK MP3-DI MP3-DO CD-CLK SENS CD-DATA XLT(CD-LAT) XRST(REST) CN871 27P XTCN M+7V SCOR MGND MGND MP3STB MP3REQ MP3ACK MP3CK JW871 MP3DIO JW872 MP3LP MP3CS MP3(3.3V) MP3RST MP3GND JW873 JW874 XRST JW879 XTCN AVDD(3.
PAGE 34
CX-JN331/JPK331 7-10. SCHEMATIC DIAGRAM – MAIN Section (1/4) – • See page 46 for IC Block Diagram. R134 4.7k C142 10 50V C141 10 50V C172 470p C186 47 16V C187 0.01 C146 0.1 R129 47k R176 220k C144 0.1 C149 0.01 R131 15k BBNF1 VIN1 VIN2 BNF2 BNF1 TONE OUT1 TNF2 TONE OUT2 0.0022 AMS OUT C153 BOUT1 0.0022 MNF1 C152 MOUT1 R161 10k MNF2 R170 10k R159 10k C183 22p VOL OUT1 C274 47p R128 15k C136 0.1 BBNF2 C154 0.
PAGE 35
CX-JN331/JPK331 7-11. SCHEMATIC DIAGRAM – MAIN Section (2/4) – • See page 46 for IC Block Diagrams. • See page 46 for Waveforms. (2/4) CN101 11P CLK LC72121 CLK DO LC72121 DO DI LC72121 DI CE LC72121 CE FM 75Ω R358 100 R253 100 C253 0.1 50V COAXIAL FM/AM +9V TUNER PACK R262 3.3k R263 1M TUNED R354 4.7k TUNED SUPPLIED WITH Q352 2SC3052 STEREO STEREO Q327 2SC3052 THE ASSEMBLED TUNER-L TU-L C353 2.
PAGE 36
CX-JN331/JPK331 7-12. SCHEMATIC DIAGRAM – MAIN Section (3/4) – B7 B6 B4 B3 B2 B8 (Page 34) (3/4) CN307 13P SP L-OUT SP-GND SP R-OUT RELAY B+ E1 PROTECT PROTECTOR E2 R-OUT ROUT A-GND L-OUT LOUT +16V E3 PW-GND E4 STK MUTE AC3 AC3 GND C217 0.1 C222 0.1 C216 0.1 R385 4.7k R391 10k R392 1k R393 10k R394 1k R386 22k R387 4.7k R388 22k R389 4.7k FRONT SP RELAY STK MUTE WFR/HP/MIC (Page 43) R390 22k R395 22k Q372 2SC3052F MIC DETECT R398 4.
PAGE 37
CX-JN331/JPK331 7-13. SCHEMATIC DIAGRAM – MAIN Section (4/4) – • See page 52 for IC Pin Function Description. D3 D4 D2 D1 (Page 35) C1 C2 C3 (Page 34) SYS MUTE (4/4) FRONT SP RELAY E1 E2 +3.3V REGULATOR IC301 TA78033LS D301 10EDB40 E3 O E4 I R308 2.2k R310 10k STK MUTE Q308 2SA1235 R306 10k POWER AMP ON/OFF G R307 10k D302 10EDB40 C301 0.1 Q309 2SC3052 C309 22 50V D303 10EDB40 C308 22 50V R311 4.
PAGE 38
CX-JN331/JPK331 7-14. PRINTED WIRING BOARDS – MAIN Section – • See page 27 for Circuit Boards Location.
PAGE 39
CX-JN331/JPK331 • See page 27 for Circuit Boards Location. 7-15. PRINTED WIRING BOARDS – PANEL Section – 1 2 3 4 5 6 7 8 : Uses unleaded solder.
PAGE 40
CX-JN331/JPK331 • See page 46 for Waveforms. 7-16. SCHEMATIC DIAGRAM – PANEL Section (1/2) – FL601 (1/2) F2 G13 NX NP G12 C628 100p C629 100p D620 1SS355 G13 G10 G9 G11 G12 C630 100p D621 1SS355 G8 C631 100p G11 G10 G7 G6 D625 1SS355 D623 1SS355 D624 1SS355 D627 1SS355 D626 1SS355 A16 R792 100 D628 1SS355 A15 A13 A12 A11 S8 S9 S10 S11 S12 S13 C9 A7 O-LC72121 CE A8 O-LC72121/BU2099FV DO R629 10 C644 10 50V C604 0.
PAGE 41
CX-JN331/JPK331 7-17. SCHEMATIC DIAGRAM – PANEL Section (2/2) – R648 3.3k R647 2.2k R646 1.5k R645 1.5k R644 1k R643 680 R642 470 K1 S661 R674 15k V2 R649 4.7k V1 R650 6.8k M2 R651 10k M1 (2/2) AMS/ S660 TUNING S610 PLAY MODE/ S609 S608 S607 S606 S605 S604 S603 S602 S601 DISC 3 DISC 2 DISC 1 ENTER DISPLAY R659 3.3k R658 2.2k R657 1.5k R656 1.
PAGE 42
CX-JN331/JPK331 7-18. PRINTED WIRING BOARD – POWER AMP Section – • See page 27 for Circuit Boards Location. • Semiconductor Location 1 2 3 : Uses unleaded solder. 4 5 6 7 8 9 Ref. No.
PAGE 43
CX-JN331/JPK331 7-19. SCHEMATIC DIAGRAM – POWER AMP Section – TH441 JW403 Q481,482 JK441 4P L441 1.7µH DC DETECT R461 10 1/2W RY441 L R466 56k SPEAKER IMPEDANCE POWER AMP R411 2.2k Q482 2SC2785 IC441(1/2) STK403-090 C441 10 50V R441 1k Q481 2SC2785 USE 6−16Ω R462 10 1/2W R R451 0.22 2W R465 47k JW441 R483 22 R484 56k L442 1.7µH R485 100k C445 100p R413 4.
PAGE 44
CX-JN331/JPK331 • See page 27 for Circuit Boards Location. 7-20. PRINTED WIRING BOARDS – TRANS Section – 1 2 3 : Uses unleaded solder.
PAGE 45
CX-JN331/JPK331 7-21. SCHEMATIC DIAGRAM – TRANS Section – CN905 3P F904 T6.3A 250V AC-1 GND PT901 AC-1 MAIN POWER (Page 43) CN903 TRANSFORMER F905 T6.3A 250V 4P (JN331/JPK331:E51) (JN331/JPK331:E51) 2P (JPK331:MX) JW902 (JPK331:MX) CN904 4P (JN331/JPK331:E51) JW901 2P (JPK331:MX) 240V NEUTRAL (JN331/JPK331:E51) 220V JW912 240V AC3 120V AC3 D901 1SS133 CN907 10P LIVE JW910 F906 T3.
PAGE 46
CX-JN331/JPK331 • IC Block Diagrams • Waveforms 4.4 Vp-p IC101 yh (BCK) (CD PLAY mode) 1 V/DIV, 10 µs/DIV qs XTACN IOVSS0 XTSL NC LMUT XRST CPU INTERFACE 30.5 µs 10 V/DIV, 5 µs/DIV SYSM 91 DATA 92 VSS 93 CLOK XLAT 94 VDD 95 3.2 Vp-p 13 µs 2 V/DIV, 10 µs/DIV 2 38 Vp-p EXCK SBSO SQCK SQSO 120 119 118 117 116 115 114 113 112 111 110 109 108 22.
PAGE 47
1 2 3 4 5 6 7 8 9 10 11 12 13 14 OPIN– OPIN+ SW CH1FIN CH1RIN CH2FIN CH2RIN GND VREFIN POWVCC CH2OUTR CH2OUTF CH1OUTR CH1OUTF PREVCC OPOUT OUTVREF CH4CAPA CH4IN CH3FIN CH3RIN GND MUTE POWVCC CH3OUTF CH3OUTR CH4OUTF CH4OUTR CX-JN331/JPK331 IC251 BA5947FM-E2 28 27 26 25 24 23 22 21 20 19 18 17 16 15 MUTING VREF D D D D + – INTERFACE LEVEL SHIFT INTERFACE INTERFACE D D D D 47 + –
PAGE 48
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 SBSY/ BCKIB SFSY/ LRCKIB TXO VDD CKI/CLCK/ IRQ/FI0 VSS PIO0/ SDI2/IO0 PIO1/ SDI3/IO1 PIO2/ IO2 PIO3/ IO3 BUS3/FI1/ PIO4/IO4 BUS2/FI2/ PIO5/IO5 BUS1/FI3/ PIO6/IO6 BUS0/ PIO7/IO7 SDO1//WE LRCKO 13 BCKO 12 BCKIA 15 SDI0 14 AX Interrupt Control Timer CROM 4k word x9 CRAM 4k word /MICK 7 ERAM 4k word x1 2k word x1 MIDIO 6 YRAM 4k word XRAM 4k word X-Bus SRAM I/F /RESET 2 SRAM/DRAM I/F VDDX CKO/ PO13/ AD16 VDD VSS PO0/
PAGE 49
CX-JN331/JPK331 IC303 BH15FB1WG THERMAL PROTECTION GND 3 4 5 VOUT 2 CONTROL BLOCK NC 1 VIN VOLTAGE REFERENCE STBY + − OVER CURRENT PROTECTION – DRIVER Board – IC701, 712 BA6956AN TSD 1 2 3 4 5 6 7 8 9 VREF OUT2 RNF OUT1 VM VCC FIN GND RIN CONTROL LOGIC 49
PAGE 50
CX-JN331/JPK331 – MAIN Board – C2 C1 B2 B1 A2 A1 MIC CAP SAOUT1 SAOUT2 SUR2 SUR1 TNF1 TNF2 LINEOUT1 LINEOUT2 IC101 BD3401KS2 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 MNF2 SOFT SWITCH 47 MOUT2 D1 1 46 MOUT1 45 MNF1 44 BNF1 D2 2 43 BOUT1 − + − + + − E2 4 41 BNF2 + − INPUT SELECT 42 BOUT2 + + − E1 3 PBNF2 5 + − + − + − PBOUT1 7 + − PBOUT2 6 BUFFER MIX MIC AMP PBNF1 8 TAPE 9 A1 40 AMS OUT TONE 39 OUT2 TONE CONTROL ATT + TAPE 10 A2 SURROUND TAPE
PAGE 51
1 2 3 4 5 6 7 8 9 REC SW1 GND PB SW1 CONT GND VCC PB SW2 GND REC SW2 CX-JN331/JPK331 IC201 BA3126N 51
PAGE 52
CX-JN331/JPK331 • IC Pin Function Description MAIN BOARD IC371 BU2099FV (LOADING/TABLE MOTOR DRIVER) Pin No. 52 Pin Name I/O Description 1 VSS - Ground terminal 2 N.C.
PAGE 53
CX-JN331/JPK331 PANEL BOARD IC601 LC876A96A-55D8-E (SYSTEM CONTROLLER) Pin No.
PAGE 54
CX-JN331/JPK331 Pin No. Pin Name I/O 72 VDD4 - Power supply terminal (+3.
PAGE 55
CX-JN331/JPK331 PANEL BOARD IC602 BU2099FV (MOTOR/PLUNGER DRIVER) PLUNGER DRIVER Pin No.
PAGE 56
CX-JN331/JPK331 SECTION 8 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they may have some difference from the original one. • Color Indication of Appearance Parts Example: KNOB, BALANCE (WHITE) . . . (RED) ↑ ↑ Parts Color Cabinet's Color • Abbreviation E51 : Chilean and Peruvian models MX : Mexican model • Items marked “*” are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items.
PAGE 57
CX-JN331/JPK331 8-2. TAPE MECHANISM DECK SECTION (CWM43FF13: JPK331)/ (CWM43FR34: JN331) panel board section 53 52 51 Ref. No. 51 52 Part No. Description Remark 4-225-252-01 CUSHION (FOOT) 1-796-485-51 DECK, MECHANICAL (CWM43FF13) (JPK331) Ref. No. 52 53 Part No. Description Remark 1-796-486-71 DECK, MECHANICAL (CWM43FR34) (JN331) 4-951-620-01 SCREW (2.
PAGE 58
CX-JN331/JPK331 8-3. PANEL BOARD SECTION not supplied (HEADPHONE board) (JPK331: E51) 103 103 not supplied (MIC JACK board) 111 not supplied 109 109 105 104 109 102 109 108 107 106 110 (JPK331: E51) cassette box section 101 Ref. No. Part No.
PAGE 59
CX-JN331/JPK331 8-4. CASSETTE BOX SECTION 155 156 157 front panel section 158 154 159 153 157 152 154 151 162 161 Ref. No. Part No. Description 151 152 153 154 155 4-252-715-01 4-252-698-01 4-252-695-01 4-238-631-11 4-231-824-01 S-PRING (BOX CASS L), TORSION WINDOW (L), CASSETTE BOX (L), CASSETTE TAPE SPRING CAM (A), HEART 156 157 4-231-836-01 SPRING (HEART CAM-A) 4-224-104-41 DAMPER Remark 160 Ref. No. Part No.
PAGE 60
CX-JN331/JPK331 8-5. FRONT PANEL SECTION not supplied not supplied 204 not supplied 203 not supplied not supplied 202 201 205 not supplied not supplied Ref. No. 201 201 201 202 203 60 Part No. Description 2-594-140-01 2-594-140-11 2-594-140-21 4-252-776-01 4-252-717-01 WINDOW, DISPLAY (JPK331: E51) WINDOW, DISPLAY (JPK331: MX) WINDOW, DISPLAY (JN331) KNOB (BASS), ROTARY SPRING (BASS), TORSION Remark Ref. No. 204 205 205 Part No. Description 4-218-253-72 SCREW (M2.
PAGE 61
CX-JN331/JPK331 8-6. BACK PANEL SECTION not supplied not supplied #2 #2 251 #2 not supplied (SUB TRANS board) #2 #2 #3 not supplied #2 #2 252 chassis section Ref. No. 251 252 Part No. Description 1-769-940-11 WIRE (FLAT TYPE) (15 CORE) 1-693-615-11 TUNER (FM/AM) Remark Ref. No. #2 #3 Part No.
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CX-JN331/JPK331 8-7. CHASSIS SECTION 303 312 304 302 301 311 not supplied F904 308 307 309 #4 #1 306 F905 310 F906 F907 PT901 307 not supplied 305 not supplied not supplied #3 Ref. No. Part No.
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CX-JN331/JPK331 8-8. CD MECHANISM DECK SECTION-1 (CDM74KS-F1BD81C) 502 502 505 503 504 502 506 507 501 515 508 514 516 513 M741 515 509 516 514 513 510 512 511 503 CD mechanism deck section -2 Ref. No. Part No. Description 501 502 503 504 505 4-243-816-11 4-218-252-61 4-218-253-62 1-687-132-12 4-243-819-01 TRAY SCREW (+PTPWH M2.6), FLOATING SCREW (M2.
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CX-JN331/JPK331 8-9. CD MECHANISM DECK SECTION-2 (CDM74KS-F1BD81C) 559 562 551 560 551 558 564 554 561 565 S711 563 M751 CD mechanism deck section -3 556 557 553 555 552 554 551 Ref. No. 554 Part No. Description 551 552 553 554 555 4-985-672-01 4-244-034-11 4-224-613-11 4-218-253-52 1-687-669-12 SCREW (+PTPWH M2.6), FLOATING BELT (LOADING) GEAR (SHAFT) SCREW (M2.
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CX-JN331/JPK331 8-10. CD MECHANISM DECK SECTION-3 (CDM74KS-F1BD81C) 603 611 605 602 601 612 606 611 base unit section 607 608 611 Ref. No. 601 602 603 605 606 Part No. Description X-2025-123-1 1-471-035-11 4-231-189-01 4-243-822-02 X-2055-190-1 CHACKING PULLEY (KH) ASSY MAGNET ASSY PULLEY (B), CHUCKING LEVER (LIFTER) HOLDER (213) ASSY Remark Ref. No. 607 608 611 612 Part No. Description 4-227-549-11 4-227-045-31 4-985-672-01 4-243-817-22 INSULATOR SPRING (INSULATOR), COIL SCREW (+PTPWH M2.
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CX-JN331/JPK331 8-11. BASE UNIT SECTION (BU-F1BD81C) not supplied M101(spindle) 657 (including M101 (spindle), M102 (sled)) not supplied M102 (sled) 658 not supplied S101 651 660 Ref. No. Part No. 651 0 657 658 A-1091-086-A CD BOARD, COMPLETE 8-820-244-01 OPTICAL PICK-UP KSM-215DCP/C2NP 1-827-992-11 WIRE (FLAT TYPE) (16 CORE) 66 Description Remark Ref. No. 660 S101 Part No. Description 3-087-053-01 +BVTP2.
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CX-JN331/JPK331 SECTION 9 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the parts list may be different from the parts specified in the diagrams or the components used on the set. • -XX and -X mean standardized parts, so they may have some difference from the original one. • RESISTORS All resistors are in ohms. METAL: Metal-film resistor. METAL OXIDE: Metal oxide-film resistor. F: nonflammable • Abbreviation E51 : Chilean and Peruvian models MX : Mexican model Ref. No. Part No.
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CX-JN331/JPK331 CD Ref. No. IC251 IC301 IC303 IC501 CDMP3 CONNECT Part No. Description 6-705-808-01 6-705-365-01 6-705-807-01 8-759-058-62 IC IC IC IC DRIVER Remark BA5947FM-E2 TC94A34FG-002 BH15FB1WG TC7S08FU (TE85R) < TRANSISTOR > Q10 6-551-120-01 TRANSISTOR Part No.
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CX-JN331/JPK331 DRIVER Ref. No. D711 Part No. Description Remark 8-719-109-69 DIODE RD3.6ESB2 < IC > IC701 IC712 8-759-598-69 IC BA6956AN 8-759-598-69 IC BA6956AN Ref. No. Part No. HEADPHONE Description Remark C113 C114 C115 1-126-960-11 ELECT 1-126-960-11 ELECT 1-131-679-31 FILM 1uF 1uF 0.
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CX-JN331/JPK331 MAIN Ref. No. Part No. Description C181 C183 C184 C185 1-162-949-11 1-162-945-11 1-126-947-11 1-126-964-11 CERAMIC CHIP CERAMIC CHIP ELECT ELECT 47PF 22PF 47uF 10uF 5% 5% 20% 20% 50V 50V 35V 50V Remark C186 C187 C188 C189 C190 1-126-947-11 1-162-974-11 1-126-965-11 1-126-965-11 1-162-974-11 ELECT CERAMIC CHIP ELECT ELECT CERAMIC CHIP 47uF 0.01uF 22uF 22uF 0.
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CX-JN331/JPK331 MAIN Ref. No. Part No.
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CX-JN331/JPK331 MAIN Ref. No. Part No.
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CX-JN331/JPK331 MAIN Ref. No. Part No. Description R364 R371 R372 R373 R374 1-216-829-11 1-216-809-11 1-216-809-11 1-216-809-11 1-216-833-11 METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP 4.
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CX-JN331/JPK331 PANEL Ref. No. Part No. Description Remark C812 1-124-463-00 ELECT 0.1uF C813 1-124-261-00 ELECT 10uF C814 1-124-261-00 ELECT 10uF C815 1-124-257-00 ELECT 2.2uF C816 1-124-257-00 ELECT 2.2uF C817 1-124-584-00 ELECT 100uF C818 1-124-584-00 ELECT 100uF C819 1-162-927-11 CERAMIC CHIP 100PF C820 1-162-923-11 CERAMIC CHIP 47PF C821 1-164-156-11 CERAMIC CHIP 0.1uF C822 1-164-315-11 CERAMIC CHIP 470PF C823 1-115-416-11 CERAMIC CHIP 0.
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CX-JN331/JPK331 PANEL Ref. No. Q801 Part No. Description 8-729-120-28 TRANSISTOR Remark 2SC1623-L5L6 (JPK331: E51) Q802 8-729-120-28 TRANSISTOR 2SC1623-L5L6 Ref. No. Part No. Description Remark R656 R657 R658 1-216-823-11 METAL CHIP 1-216-823-11 METAL CHIP 1-216-825-11 METAL CHIP 1.5K 1.5K 2.2K 5% 5% 5% 1/10W 1/10W 1/10W R659 R660 R661 R662 R664 1-216-827-11 1-216-829-11 1-218-867-11 1-216-833-11 1-216-817-11 METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP 3.3K 4.7K 6.
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CX-JN331/JPK331 PANEL Ref. No. Part No. Description Remark Ref. No. Part No.
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CX-JN331/JPK331 PANEL Ref. No. Part No.
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CX-JN331/JPK331 POWER Ref. No. SENSOR Part No. SUB TRANS SW Description TRANS Remark Q487 Q488 8-729-119-79 TRANSISTOR 8-729-119-79 TRANSISTOR 2SC2785-FEK 2SC2785-FEK Q489 8-729-140-84 TRANSISTOR 2SC1841-PAFAEA Ref. No. Part No.
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CX-JN331/JPK331 TRANS Ref. No. Remark Ref. No. Part No. Description C910 C911 Part No. 1-126-968-11 ELECT 1-126-942-61 ELECT Description 100uF 1000uF 20% 20% 50V 25V C920 C921 C922 C923 C924 1-131-679-31 1-131-679-31 1-131-679-31 1-131-679-31 1-136-165-00 0.01uF 0.01uF 0.01uF 0.01uF 0.
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CX-JN331/JPK331 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. 2 Ver. Date 1.0 2005.