Sony X-JS7 Service Manual
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Sony X-JS7 Service Manual

Sony X-JS7 Service Manual

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3 7 63 1515 0
SERVICE MANUAL
Ver. 1.2 2005.05
CX-JS7 is the tuner, amplifier, cassette deck and
CD player section in JAX-S7.
TE
L 13942296513
TUNER
FM tuning range
87.5 MHz to 108 MHz
FM usable sensitivity (IHF)
13.2 dBf
FM antenna terminal
75 ohms (unbalanced)
AM tuning range
530 kHz to 1710 kHz (10 kHz step)
531 kHz to 1710 kHz (9 kHz step)
AM usable sensitivity
350 µV/m
AM antenna
Loop antenna
AMPLIFIER
Power output
160 W + 160 W (40 Hz - 20 kHz,
THD less than 1 %, 6 ohms)
200 W + 200 W (1 kHz, THD less
than 10 %, 6 ohms)
Total harmonic distortion
0.08 % (100 W, 1 kHz, 6 ohms)
Input
VIDEO (MD): 500 mV
Outputs
SPEAKERS: 6 ohms or more
PHONES: 32 ohms or more
CASSETTE DECK
Track format
4 tracks, 2 channels stereo
Frequency response
50 Hz – 8 kHz
Recording system
AC bias
Heads
Deck A: playback x 1
Deck B: recording/playback x 1,
erase x 1
www
.
Sony Corporation
9-877-265-03
2005E05-1
Personal Audio Group
© 2005.05
Published by Sony Engineering Corporation
http://www.xiaoyu163.com
Model Name Using Similar Mechanism
CD Mechanism Type
CD
Base Unit Name
Section
Optical Block Name
Optical Pick-up Name
Model Name Using Similar Mechanism
Tape deck
Section
Tape Transport Mechanism Type
CD PLAYER
Laser
D/A converter
Signal-to-noise ratio
Harmonic distortion
GENERAL
Power requirements
Power consumption
Power consumption
in standby mode
Dimensions (W x H x D)
Weight
Specifications and external appearance are subject to change
without notice.
x
ao
u163
y
i
http://www.xiaoyu163.com
2 9
8
Q Q
3
6 7
1 3
1 5
SPECIFICATIONS
Semiconductor laser
(λ = 780 nm)
Emission duration:
continuous
1 bit dual
85 dB (1 kHz, 0 dB)
0.05 % (1 kHz, 0 dB)
120 V AC, 60 Hz
160 W
With ECO mode on: 0.25 W
With ECO mode off: 25 W
280 x 328 x 437 mm
1
15
7
(11
/
x 12
/
x 17
/
in.)
8
16
32
10.2 kg (22 lbs 8 oz)
COMPACT DISC DECK RECEIVER
co
.
CX-JS7
9 4
2 8
US Model
NEW
CDM74F-K6BD71A
BU-K6BD71A
KSM-213DCP
KSS-213D
NEW
0 5
8
2 9
9 4
2 8
CWM43FF13
COPYRIGHT
Check copyright laws relevant to recordings from discs, tuner
or tape for the country where the unit is to be used.
Licensed by BBE Sound, Inc. under USP4638258, 5510752
and 5736897.
m
9 9
9 9

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Summary of Contents for Sony X-JS7

  • Page 1 50 Hz – 8 kHz Recording system AC bias Heads Deck A: playback x 1 Deck B: recording/playback x 1, erase x 1 COMPACT DISC DECK RECEIVER u163 Sony Corporation 9-877-265-03 2005E05-1 Personal Audio Group © 2005.05 Published by Sony Engineering Corporation http://www.xiaoyu163.com...

  • Page 2: Leakage Test

    LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- LISHED BY SONY.

  • Page 3: Table Of Contents

    http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 TABLE OF CONTENTS SERVICING NOTES EXPLODED VIEWS ..........4 7-1. Case Section ..............53 GENERAL 7-2. Front Panel Section-1 ............54 7-3. Front Panel Section-2 ............55 Location of Controls ............7 7-4. Front Panel Section-3 ............56 7-5.

  • Page 4: Servicing Notes

    http://www.xiaoyu163.com CX-JS7 SECTION 1 SERVICING NOTES 3 7 63 1515 0 NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT The laser diode in the optical pick-up block may suffer electro- static break-down because of the potential difference generated by the charged electrostatic load, etc.
  • Page 5 http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 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 . 3 Pull-out the disc tray. L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 6 http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 SERVICE POSITION – CD mechanism deck – main board (CN312) BD board (CN710) Connect wire (flat type) (19 core) to main board (CN312) and BD board (CN710). L 13942296513 – Tape mechanism deck – panel board (CN601) Connect wire (flat type) (13 core) to main board (CN203)

  • Page 7: General

    http://www.xiaoyu163.com CX-JS7 SECTION 2 This section is extracted from instruction manual. 3 7 63 1515 0 GENERAL • LOCATION OF CONTROLS 1 DISC CHANGE/DISC SKIP 7 DISC DIRECT PLAY 1-3 # BASS Main unit: front Rotates the CD trays. Selects a disc. Adjusts low frequency sound.
  • Page 8 http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 Buttons with the same or similar names with the main unit 3 r, t 9 FUNCTION Remote control basically have the same function. CD: selects a track. Switches the active function among CD, TAPE, TUNER Refer to the pages indicated in parentheses for details.

  • Page 9: Disassembly

    http://www.xiaoyu163.com CX-JS7 SECTION 3 DISASSEMBLY 3 7 63 1515 0 • 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.

  • Page 10: Case (Side-L/R)

    http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 Note: Follow the disassembly procedure in the numerical order given. 3-2. CASE (SIDE-L/R) 6 two screws 0 case (side-L) × (BVTP3 1 two screws × (BVTP3 7 three screws (case3 TP2) 5 case (side-R) L 13942296513 2 three screws (case3 TP2)

  • Page 11: Tray Panel

    http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 3-4. TRAY PANEL 1 Turn the loading gear in the direction of arrow A . 2 Pull-out the disc table. 3 four claws 4 tray panel L 13942296513 3-5. CD MECHANISM DECK (CDM74F-K6BD71A) 6 CD mechanism deck (CDM74F-K6BD71A) 1 wire (flat type) (19 core)

  • Page 12: Front Panel Section

    http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 3-6. FRONT PANEL SECTION 4 connector (CN203) 3 connector (CN202) 5 wire (flat type) (9 core) (CN311) 2 connector (CN310) L 13942296513 1 wire (flat type) (31 core) (CN304) 7 front panel section 6 three screws ×...

  • Page 13: Rear Cabinet Section

    http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 3-8. REAR CABINET SECTION 3 two screws × (BVTP3 4 cover (duct) 5 five screws × (BVTP3 1 wire (flat type) (11core) 6 rear cabinet section 2 connector (CN303) L 13942296513 3-9. MAIN BOARD 3 main board 2 two connectors (CN502, CN503)

  • Page 14: Power Board

    http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 3-10. POWER BOARD 2 two screws 3 two screws (BVIT3B+3-8R) (BVIT3B+3-8R) 1 connector (CN902) 4 power board 3-11. TRANSFORMER BOARD L 13942296513 5 four screws (ITC+4-10R) 2 screw × (BVTT3 1 screw × (BVTP3 3 trans holder 6 transformer board...

  • Page 15: Motor (Tb) Board

    http://www.xiaoyu163.com CX-JS7 Ver. 1.2 3 7 63 1515 0 3-12. TABLE ASSY 5 two claws 4 hook 3 wire (flat type) (5 core) (CN702) 1 Turn the loading gear 2 Pull-out the table assy. in the direction of arrow A . 6 table assy L 13942296513 3-13.

  • Page 16: Motor (Ld) Board

    http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 3-14. MOTOR (LD) BOARD 3 two screws (BTTP M2.6) 4 motor (LD) board 2 connector (CN704) 1 belt (loading) L 13942296513 3-15. BASE UNIT (BU-K6BD71A) 5 base unit (BU-K6BD71A) 4 four insulators 3 four coil springs (insulator) 2 four stoppers (BU) u163...

  • Page 17: Motor Gear Assy (Sled) (M701), Bd Board

    http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 3-16. MOTOR GEAR ASSY (SLED) (M701), BD BOARD 7 gear (A) 6 claw 8 gear (B) 2 two screws (P2 × 3) 5 wire (flat type) (16 core) (CN708) qa BD board 0 motor gear assy (SLED) (M701) 1 Remove two solders.

  • Page 18: Test Mode

    http://www.xiaoyu163.com CX-JS7 SECTION 4 3 7 63 1515 0 TEST MODE [COLD RESET] [CD TRAY LOCK MODE] • The cold reset clears all data including preset data stored in the • This mode is used to unable to take sample disc out of tray in RAM to initial conditions.
  • Page 19 http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 [AGING MODE] 3. Tape Deck Section • This mode can be used for operation check of CD section and The sequence during the aging mode is following as below. If an error occurred, stop display that step. tape deck section.
  • Page 20 http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 [GC TEST MODE] [MODEL, DESTINATION AND VERSION DISPLAY] • This mode is used to check the fluorescent indicator tube, LED • This mode is used to check the model, destination and software and key. version.

  • Page 21: Cd Section

    http://www.xiaoyu163.com CX-JS7 SECTION 5 ELECTRICAL ADJUSTMENTS 3 7 6 3 1 5 1 5 0 Note: Clear RF signal waveform means that the shape “ ◊ ” can be clearly CD SECTION distinguished at the center of the waveform. Note: RF signal waveform 1.

  • Page 22: Diagrams

    http://www.xiaoyu163.com CX-JS7 SECTION 6 3 7 6 3 1 5 1 5 0 DIAGRAMS 6-1. BLOCK DIAGRAM – CD Section – RF AMP, FOCUS/TRACKING ERROR AMP, DIGITAL SIGNAL PROCESSOR, DIGIRAL SERVO PROCESSOR, • R-ch is omitted due to same as L-ch. DIGITAL FILTER, D/A CONVERTER •...

  • Page 23: Block Diagram - Tuner/Tape/Panel Section

    http://www.xiaoyu163.com CX-JS7 3 7 6 3 1 5 1 5 0 6-2. BLOCK DIAGRAM – TUNER/TAPE/PANEL Section – DECK A/B SELECT SWITCH, REC/PB EQ AMP IC201 AIN (L) L-CH TAI (L) MUTE EQOUT (L) PB-OUT (L) TAPE-L TAPE-L, REC-L BIN (L) (Page 24) (PB) (DECK-A)

  • Page 24: Block Diagram - Amp/Power Supply Section

    http://www.xiaoyu163.com CX-JS7 3 7 6 3 1 5 1 5 0 6-3. BLOCK DIAGRAM – AMP/POWER SUPPLY Section – (Page 23) SWITCHING OUTPUT LEVEL FAN MOTOR M731 DETECT R-CH (Page 23) R-CH ON/OFF SWITCH (FAN) Q20, 21 Q327, 328, 372, 373 J221 SWITCHING R-CH...

  • Page 25: Note For Printed Wiring Boards And Schematic Diagrams

    http://www.xiaoyu163.com CX-JS7 3 7 6 3 1 5 1 5 0 6-4. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS • Circuit Boards Location Note on Printed Wiring Board: Note on Schematic Diagram: SENSOR board • All capacitors are in µF unless otherwise noted. pF: µµF •...

  • Page 26: Printed Wiring Board - Bd Board

    http://www.xiaoyu163.com CX-JS7 3 7 6 3 1 5 1 5 0 6-5. PRINTED WIRING BOARD – BD Board – • See page 25 for Circuit Boards Location. :Uses unleaded solder. BD BOARD (COMPONENT SIDE) OPTICAL PICK-UP BLOCK BD BOARD (KSM-213DCP) M702 (SPINDLE) (CONDUCTOR SIDE)

  • Page 27: Schematic Diagram - Bd Board

    http://www.xiaoyu163.com CX-JS7 6-6. SCHEMATIC DIAGRAM – BD Board – • See page 44 for IC Block Diagrams. • See page 44 for Waveforms. 3 7 6 3 1 5 1 5 0 R732 IC803 MM1571J R731 2.2k R721 R722 C753 R834 R707 C709...

  • Page 28: Printed Wiring Boards - Changer Section

    http://www.xiaoyu163.com CX-JS7 3 7 6 3 1 5 1 5 0 6-7. PRINTED WIRING BOARDS – CHANGER Section – • :Uses unleaded solder. See page 25 for Circuit Boards Location. SENSOR BOARD SW BOARD CN751 IC731 S751 MAIN BOARD OPEN/CLOSE CN309 DETECT (Page 34)

  • Page 29: Schematic Diagram - Changer Section

    http://www.xiaoyu163.com CX-JS7 3 7 6 3 1 5 1 5 0 6-8. SCHEMATIC DIAGRAM – CHANGER Section – • See page 44 for IC Block Diagrams. LOADING MOTOR DRIVE IC701 BA6956AN R702 R701 CN721 CN704 LM-2 LM-2 D701 M751 C751 LM-1 LM-1 MTZJ-T-77...

  • Page 30: Schematic Diagram - Main Board (1/4)

    http://www.xiaoyu163.com CX-JS7 3 7 6 3 1 5 1 5 0 6-9. SCHEMATIC DIAGRAM – MAIN Board (1/4) – • See page 44 for IC Block Diagram. (1/4) CN101 FM 75Ω VM+9V D102 10EDB40-TB3 TUNER UNIT (COAXIAL) SUPPLIED WITH TUNED TUNED ANTENNA C101...

  • Page 31: Schematic Diagram - Main Board (2/4)

    http://www.xiaoyu163.com CX-JS7 3 7 6 3 1 5 1 5 0 6-10. SCHEMATIC DIAGRAM – MAIN Board (2/4) – • See page 44 for IC Block Diagram. • See page 44 for Waveforms. C268 (2/4) R268 R266 R220 4.7k 4.7k C248 R286 R216...

  • Page 32: Schematic Diagram - Main Board (3/4)

    http://www.xiaoyu163.com CX-JS7 3 7 6 3 1 5 1 5 0 6-11. SCHEMATIC DIAGRAM – MAIN Board (3/4) – • See page 44 for IC Block Diagram. (Page 30) (3/4) R375 R340 R339 R403 R331 1.5k 1.5k C316 C330 C340 R347 R338 Q314...

  • Page 33: Schematic Diagram - Main Board (4/4)

    http://www.xiaoyu163.com CX-JS7 3 7 6 3 1 5 1 5 0 6-12. SCHEMATIC DIAGRAM – MAIN Board (4/4) – (Page 30) (Page 31) (4/4) C363 MIC10V R309 R313 100k CN304 FIL2 FIL1 D-GND -VFL -VFL EVER+10V EVER 10V BUFFER MIC+10V IC304 MIC 10V NJM4565M...

  • Page 34: Printed Wiring Board - Main Board

    http://www.xiaoyu163.com CX-JS7 3 7 6 3 1 5 1 5 0 6-13. PRINTED WIRING BOARD – MAIN Board – • :Uses unleaded solder. See page 25 for Circuit Boards Location. • Semiconductor Location ANTENNA Ref. No. Location FM 75Ω D102 C-14 (COAXIAL) LOOP...

  • Page 35: Printed Wiring Board - Power Board

    http://www.xiaoyu163.com CX-JS7 3 7 6 3 1 5 1 5 0 6-14. PRINTED WIRING BOARD – POWER Board – • :Uses unleaded solder. See page 25 for Circuit Boards Location. (Page 34) (Page 34) MAIN BOARD MAIN BOARD CN307 CN306 POWER BOARD (CHASSIS) CN502...

  • Page 36: Schematic Diagram - Power Board (1/2)

    http://www.xiaoyu163.com CX-JS7 3 7 6 3 1 5 1 5 0 6-15. SCHEMATIC DIAGRAM – POWER Board (1/2) – (1/2) CN501 L-OUT SP-GND R-OUT LINK/MATRIX UNREG VM RYB+ RELAY B+ IN-L A-GND IN-R (Page 32) PW-GND VM(AC) VM(AC) O-POWER HOLD 0.22 4.7k 6.8k...

  • Page 37: Schematic Diagram - Power Board (2/2)

    http://www.xiaoyu163.com CX-JS7 3 7 6 3 1 5 1 5 0 6-16. SCHEMATIC DIAGRAM – POWER Board (2/2) – (2/2) D503 MC2838 R539 R529 4.7k R541 2.2k R537 D501 R521 MC2836 R543 2.2k 1.8k Q501 D510 R559 2SD2562 MC2836 3.9k C511 Q507 R505...

  • Page 38: Printed Wiring Boards - Cd Button/Headphone Boards

    http://www.xiaoyu163.com CX-JS7 3 7 6 3 1 5 1 5 0 6-17. PRINTED WIRING BOARDS – CD BUTTON/HEADPHONE Boards – • See page 25 for Circuit Boards Location. :Uses unleaded solder. HEADPHONE BOARD C302 CN105 MAIN BOARD CN310 J221 (Page 34) PHONES C301 1-688-545-...

  • Page 39: Schematic Diagram - Cd Button/Headphone Boards

    http://www.xiaoyu163.com CX-JS7 3 7 6 3 1 5 1 5 0 6-18. SCHEMATIC DIAGRAM – CD BUTTON/HEADPHONE Boards – CN105 C301 C302 1000p 1000p J221 L-OUT PHONES HP-GND R-OUT HP CTL HP CTL (Page 32) DISC DIRECT PLAY R331 R330 R329 R328 6.8k...

  • Page 40: Printed Wiring Board - Panel Board

    http://www.xiaoyu163.com CX-JS7 3 7 6 3 1 5 1 5 0 6-19. PRINTED WIRING BOARD – PANEL Board – • See page 25 for Circuit Boards Location. :Uses unleaded solder. • Semiconductor Location (Page 38) CD BUTTON Ref. No. Location BOARD CN302 PANEL BOARD...

  • Page 41: Schematic Diagram - Panel Board

    http://www.xiaoyu163.com CX-JS7 3 7 6 3 1 5 1 5 0 6-20. SCHEMATIC DIAGRAM – PANEL Board – • • See page 44 for IC Block Diagram. See page 44 for Waveforms. FL902 FLUORESCENT INDICATOR TUBE JR901 R613 R614 R615 R616 R617 R618...

  • Page 42: Printed Wiring Board - Transformer Board

    http://www.xiaoyu163.com CX-JS7 3 7 6 3 1 5 1 5 0 6-21. PRINTED WIRING BOARD – TRANSFORMER Board – • :Uses unleaded solder. See page 25 for Circuit Boards Location. (AC IN) TRANSFORMER BOARD D906 CN901 JW935 D905 D903 PT902 JW934 RY902 SUB POWER...

  • Page 43: Schematic Diagram - Transformer Board

    http://www.xiaoyu163.com CX-JS7 3 7 6 3 1 5 1 5 0 6-22. SCHEMATIC DIAGRAM – TRANSFORMER BOARD – PT901 F902 MAIN POWER TRANSFORMER T2.5AL 250V ∗ NOT REPLACEABLE: BUILT IN TRANSFORMER CN902 F905 T10AL 125V VH(AC) VL(AC) VL(AC) JW905 VH(AC) VM(AC) VM(AC) JW906...
  • Page 44 http://www.xiaoyu163.com CX-JS7 3 7 6 3 1 5 1 5 0 • Waveforms • IC Block Diagrams – MAIN Board – – PANEL Board – – BD Board – – BD Board – IC721 LC78646E-E 1 IC721 4 (RF) (CD Play Mode) qa Q223 (Base) (REC Mode) wa IC901 qs (XT1) 78 77 76 75 74 73 72 71...
  • Page 45 http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 – DRIVER Board – IC701, 712 BA6956AN CONTROL LOGIC – MAIN Board – IC201 HA12237F 93/120 PB-NF1 (L) (HIGH/NORM) MUTE 20 TEST MODE L 13942296513 19 IREF AIN (L) 18 GND BIN (L) 17 ALC DET RETURN SW 16 VCC...
  • Page 46 http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 IC301 M61529FP-D60G 42 41 39 38 37 34 33 32 31 30 TONE CONTROL ELECTRICAL (BASS/MID/TREBLE) VOLUME INPUT BASS BOOST TONE ATT SURROUND VOCAL INTERFACE DPL BUFFER TONE ATT BASS BOOST EXTERNAL INPUT INPUT ATT ELECTRICAL TONE CONTROL...

  • Page 47: Ic Pin Function Description

    http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 6-23. IC PIN FUNCTION DESCRIPTION • MAIN BOARD IC309 BU2099FV (MULTI CONTROLLER) Pin No. Pin Name Description — Ground terminal — Not used DATA Serial data input from the tape mechanism controller CLOCK Serial data transfer clock signal input from the system controller Serial data latch pulse clock signal input from the system controller Recording on/off control signal output terminal “L”: recording...
  • Page 48 http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 • MAIN BOARD IC310 BU2099FV ( BASS BOOST CONTROLLER) Pin No. Pin Name Description — Ground terminal — Not used DATA Serial data input from the multi controller CLOCK Serial data transfer clock signal input from the system controller Serial data latch pulse clock signal input from the system controller 6 to 8 —...
  • Page 49 http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 • PANEL BOARD IC201 BU2099FV (LED DRIVER) Pin No. Pin Name Description — Ground terminal — Not used DATA Serial data input from the system controller CLOCK Serial data transfer clock signal input from the system controller Serial data latch pulse clock signal input from the system controller LED drive signal output of the CD indicator “L”: LED on TUNER...

  • Page 50: Http://Www.xiaoyu163.Com

    http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 • PANEL BOARD IC202 BU2099FV (LED DRIVER, TAPE MECHANISM CONTROLLER) Pin No. Pin Name Description — Ground terminal — Not used DATA Serial data input from the LED driver CLOCK Serial data transfer clock signal input from the system controller Serial data latch pulse clock signal input from the system controller LED drive signal output of the DISC DIRECT PLAY 1 indicator “L”: LED on LED drive signal output of the DISC DIRECT PLAY 2 indicator “L”: LED on...

  • Page 51: Http://Www.xiaoyu163.Com

    http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 • PANEL BOARD IC901 LC8767962B-51F7 (SYSTEM CONTROLLER) Pin No. Pin Name Description O-SYS-MUTE Line muting on/off control signal output terminal “H”: muting on I-BU1924 DI RDS serial data input terminal Not used I-BU1924 CLK RDS serial data transfer clock signal input terminal Not used Reset signal output to the CD DSP “L”: reset O-CL78646 RESET...

  • Page 52: Http://Www.xiaoyu163.Com

    http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 Pin No. Pin Name Description Segment drive signal output to the fluorescent indicator tube and deck-B mode detection signal S9/I-B-MODE input from the tape mechanism deck block “L” active Segment drive signal output to the fluorescent indicator tube and recording-proof (reverse direction) detection signal input from the tape mechanism deck block S10/I-REC (REW) “L”: recording possible...

  • Page 53: Exploded Views

    http://www.xiaoyu163.com CX-JS7 SECTION 7 EXPLODED VIEWS 3 7 63 1515 0 NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark may have some difference from the original are seldom required for routine service.

  • Page 54: Front Panel Section-1

    http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 7-2. FRONT PANEL SECTION-1 L 13942296513 front panel section-2 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-245-125-01 KNOB, ROTARY VOLUME 4-245-134-01 GUIDE, LED POWER 4-245-126-11 KNOB, ROTARY JOG 4-245-141-01 GUIDE, LED GRAPHIC EQUALIZER (R) 4-246-528-01 RING (BASS) A-4734-782-A PANEL BOARD, COMPLETE...

  • Page 55: Front Panel Section-2

    http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 7-3. FRONT PANEL SECTION-2 L 13942296513 front panel section-3 supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark u163 1-688-545-12 HEADPHONE BOARD 1-688-546-12 CD BUTTON BOARD 3-229-336-01 SCREW, +BVWH TAPPING 1-796-485-51 DECK, MECHANICAL (CWM43FF13) 4-245-142-11 SHEET, FL F4 7-685-647-79 SCREW +BVTP 3X10 TYPE2 N-S...

  • Page 56: Front Panel Section-3

    http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 7-4. FRONT PANEL SECTION-3 L 13942296513 front panel section-4 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-245-124-01 KEY, RDS X-4955-605-1 KEY (OPE) ASSY u163 4-245-122-01 KEY, REC (SURROUND. i-BASS. m. X.bB. x. M) X-4955-411-1 KEY (POWER) ASSY X-4955-413-1 KEY (GEQ R) ASSY X-4955-412-1 KEY (GEQ L) ASSY (HEAVY.

  • Page 57: Front Panel Section-4

    http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 7-5. FRONT PANEL SECTION-4 L 13942296513 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-245-115-01 WINDOW, CASSETTE 4-245-138-01 BOX, CASSETTE (2) 4-245-111-21 PANEL, DOOR 4-245-010-01 SPR-T, BOX CASS R 4-245-110-01 BOX, DOOR 4-242-174-01 HLDR, LOCK 1 4-242-161-01 MAGNET, BOX...

  • Page 58: Chassis Section-1

    http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 7-6. CHASSIS SECTION-1 M731 not supplied L 13942296513 supplied chassis section-2 u163 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-951-620-41 SCREW (2.6X8), +BVTP 7-685-647-79 SCREW +BVTP 3X10 TYPE2 N-S 1-693-625-21 TUNER (FM/AM) M731 1-763-072-11 FAN, DC...

  • Page 59: Chassis Section-2

    http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 7-7. CHASSIS SECTION-2 supplied supplied not supplied PT901 F902 L 13942296513 F906 F905 supplied The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. Ref.

  • Page 60: Cd Mechanism Deck Section-1 (Cdm74F-K6Bd71A)

    http://www.xiaoyu163.com CX-JS7 Ver. 1.2 3 7 63 1515 0 7-8. CD MECHANISM DECK SECTION-1 (CDM74F-K6BD71A) M741 L 13942296513 CD mechanism deck section -2 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-243-816-01 TRAY 1-687-134-11 MOTOR (TB) BOARD 4-218-252-61 SCREW (+PTPWH M2.6), FLOATING 4-243-815-01 TABLE (LOADING) 4-218-253-21 SCREW (M2.6), +BTTP...

  • Page 61: Cd Mechanism Deck Section-2 (Cdm74F-K6Bd71A)

    http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 7-9. CD MECHANISM DECK SECTION-2 (CDM74F-K6BD71A) S711 M751 CD mechanism deck section -3 L 13942296513 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-016-533-11 WASHER (FR), STOPPER 4-218-252-61 SCREW (+PTPWH M2.6), FLOATING 4-244-034-01 BELT (LOADING) 4-244-108-01 GEAR, SWING 4-224-613-01 GEAR (SHAFT)

  • Page 62: Cd Mechanism Deck Section-3 (Cdm74F-K6Bd71A)

    http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 7-10. CD MECHANISM DECK SECTION-3 (CDM74F-K6BD71A) L 13942296513 BU-K6BD71A Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-4955-707-1 PULLEY (A5) ASSY, CHUCKING 4-227-549-11 INSULATOR 1-471-035-11 MAGNET ASSY 4-227-045-31 SPRING (INSULATOR), COIL 4-231-189-01 PULLEY (B), CHUCKING 4-231-151-01 STOPPER (BU) u163...

  • Page 63: Base Unit Section (Bu-K6Bd71A)

    http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 7-11. BASE UNIT SECTION (BU-K6BD71A) M702 M701 L 13942296513 The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. Ref. No. Part No.

  • Page 64: Electrical Parts List

    http://www.xiaoyu163.com CX-JS7 SECTION 8 3 7 63 1515 0 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark parts list may be different from the parts speci- are seldom required for routine service.
  • Page 65 http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 CD BUTTON Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark FB806 1-550-907-21 FERRITE R805 1-216-809-11 METAL CHIP 1/10W FB807 1-550-907-21 FERRITE R806 1-216-809-11 METAL CHIP 1/10W R807 1-216-809-11 METAL CHIP 1/10W FB808 1-550-907-21 FERRITE...
  • Page 66 http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 DRIVER HEADPHONE MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-687-135-11 DRIVER BOARD A-4734-784-A MAIN BOARD, COMPLETE ************* ********************* < CAPACITOR > 7-685-647-79 SCREW +BVTP 3X10 TYPE2 N-S C715 1-126-933-11 ELECT 100uF...
  • Page 67 http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C316 1-126-963-11 ELECT 4.7uF C393 1-126-959-11 ELECT 0.47uF C317 1-126-964-11 ELECT 10uF C396 1-130-499-00 MYLAR 0.22uF C318 1-126-964-11 ELECT 10uF C397 1-104-665-11 ELECT 100uF...
  • Page 68 http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D322 6-500-522-21 DIODE 10EDB40-TB3 D324 8-719-988-61 DIODE 1SS355TE-17 < TRANSISTOR > D325 1-216-295-00 SHORT CHIP D364 8-719-988-61 DIODE 1SS355TE-17 Q218 8-729-120-28 TRANSISTOR 2SC1623-L5L6 Q219...
  • Page 69 http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R266 1-216-829-11 METAL CHIP 4.7K 1/10W R353 1-218-717-11 METAL CHIP 1/10W R267 1-216-829-11 METAL CHIP 4.7K 1/10W R354 1-216-841-11 METAL CHIP 1/10W R268 1-216-829-11 METAL CHIP...
  • Page 70 http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 MAIN MOTOR (LD) MOTOR (TB) PANEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R426 1-216-837-11 METAL CHIP 1/10W C208 1-162-967-11 CERAMIC CHIP 0.0033uF 10% R427 1-216-134-00 METAL CHIP 1/8W C210 1-162-967-11 CERAMIC CHIP...
  • Page 71 http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 PANEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark JR606 1-216-864-11 SHORT CHIP D504 8-719-991-33 DIODE 1SS133T-77 JR607 1-216-864-11 SHORT CHIP D505 8-719-991-33 DIODE 1SS133T-77 JR608 1-216-296-11 SHORT CHIP D506 8-719-991-33 DIODE 1SS133T-77 JR609...
  • Page 72 http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 PANEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R113 1-249-417-11 CARBON 1/4W R309 1-249-427-11 CARBON 6.8K 1/4W R116 1-249-393-11 CARBON 1/4W R311 1-249-413-11 CARBON 1/4W R119 1-216-864-11 SHORT CHIP R120 1-216-845-11 METAL CHIP 100K...
  • Page 73 http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 PANEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R709 1-216-809-11 METAL CHIP 1/10W R940 1-216-845-11 METAL CHIP 100K 1/10W R801 1-216-833-11 METAL CHIP 1/10W R942 1-249-421-11 CARBON 2.2K 1/4W R802 1-216-833-11 METAL CHIP...
  • Page 74 http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 PANEL POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C513 1-126-965-11 ELECT 22uF S322 1-762-875-21 SWITCH, KEYBOARD (DISPLAY) S323 1-762-875-21 SWITCH, KEYBOARD (TAPE A/B) C514 1-126-965-11 ELECT 22uF S324 1-762-875-21 SWITCH, KEYBOARD (TUNER BAND) C517...
  • Page 75 http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 8-719-312-08 DIODE FMB-G16L Q502 6-550-320-01 TRANSISTOR 2SD2562 8-719-312-08 DIODE FMB-G16L Q503 6-550-319-01 TRANSISTOR 2SB1649 D501 6-500-334-01 DIODE MC2836 D502 6-500-334-01 DIODE MC2836 Q504 6-550-319-01 TRANSISTOR 2SB1649...
  • Page 76 http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-216-833-11 METAL CHIP 1/10W RES-CHIP 1/8W 1-216-825-11 METAL CHIP 2.2K 1/10W 1-216-844-11 METAL CHIP 1/10W 1-216-825-11 METAL CHIP 2.2K 1/10W 1-216-840-11 METAL CHIP 1/10W 1-216-210-00 RES-CHIP...
  • Page 77 http://www.xiaoyu163.com CX-JS7 Ver 1.1 3 7 63 1515 0 POWER SENSOR TRANSFORMER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R544 1-216-206-00 RES-CHIP 2.2K 1/8W 1-687-132-11 SENSOR BOARD R545 1-216-809-11 METAL CHIP 1/10W ************* R546 1-216-809-11 METAL CHIP 1/10W R547 1-216-838-11 METAL CHIP...
  • Page 78 http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MISCELLANEOUS ************** 1-769-889-11 WIRE (FLAT TYPE) (7 CORE) 1-773-322-11 WIRE (FLAT TYPE) (31 CORE) 1-769-976-11 WIRE (FLAT TYPE) (13 CORE) 1-769-919-11 WIRE (FLAT TYPE) (9 CORE) 1-796-485-51 DECK, MECHANICAL (CWM43FF13) 1-693-625-21 TUNER (FM/AM) 0 302...
  • Page 79 http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 MEMO L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 80 http://www.xiaoyu163.com CX-JS7 3 7 63 1515 0 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.

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