JVC GFK-2314H Service Manual
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JVC GFK-2314H Service Manual

JVC GFK-2314H Service Manual

Cassette receiver
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3 7 63 1515 0
SERVICE MANUAL
TE
L 13942296513
Contents
www
.
http://www.xiaoyu163.com
CASSETTE RECEIVER
KS-FX732R
TP/PTY
SEL
DISP
7
8
MO
Safety precaution
Disassembly method
Adjustment method
Discription of major ICs
x
ao
u163
y
i
COPYRIGHT
2002 VICTOR COMPANY OF JAPAN, LTD.
http://www.xiaoyu163.com
2 9
8
KS-FX732R
CD CHANGER CONTROL
DAB
FM/AM
9
10
11
RPT
12
RND
MODE
SCM
Q Q
3
6 7
1 3
1 5
co
.
KS-FX732R
9 4
2 8
TAPE
¢
SSM
4
CD-
CH
0 5
8
2 9
9 4
2 8
Area Suffix
E -------- Continental Europe
EX ------------ Central Europe
1-2
1-3
1-18
1-22
m
9 9
9 9
No.49695
Feb. 2002

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  • Page 1 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 SERVICE MANUAL CASSETTE RECEIVER KS-FX732R KS-FX732R TAPE CD CHANGER CONTROL TP/PTY FM/AM ¢ DISP MODE L 13942296513 Area Suffix E -------- Continental Europe EX ------------ Central Europe Contents Safety precaution Disassembly method Adjustment method 1-18 Discription of major ICs 1-22...

  • Page 2: Safety Precaution

    http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Safety precaution Burrs formed during molding may be left over on some parts of the chassis. Therefore, pay attention to such burrs in the case of preforming repair of this system. L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 3: Disassembly Method

    http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Disassembly method <Main body> Removing the front panel assembly (See Fig.1) Press the eject button in the lower right part of the front panel. Remove the front panel assembly from the body. Front panel assembly Eject button Fig.1 Tab a...
  • Page 4 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Removing the heat sink (See Fig.4) Remove the three screws A on the left side of the body. Heat sink Fig.4 Joints b Removing the bottom cover (See Fig.5 and 6) Bottom cover Prior to performing the following procedure, remove the front panel assembly, the front chassis assembly and the heat sink.
  • Page 5 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Removing the main board (See Fig.7 and 8) Prior to performing the following procedure, remove the front panel assembly, the front chassis assembly, the heat sink and the bottom cover. Remove the screw B, the three screws C and the two screws D attaching the rear bracket on the back Rear panel of the body.
  • Page 6 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Removing the control switch board (See Fig.10 to 12) Prior to performing the following procedure, remove the front panel assembly. Remove the four screws G attaching the rear cover on the back of the front panel assembly. Unjoint the eleven joints c with the front panel and Rear cover the rear cover.
  • Page 7 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 REFERENCE: Prior performing following procedures, turn the mode gear on the bottom of the body until the respective part comes to the EJECT position (Refer to Fig.1). Removing the reinforce bracket (See Fig.1 and 2) Mode gear Remove the screw A attaching the reinforce bracket on the bottom of the body.
  • Page 8 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Removing the load arm (See Fig.5) Load arm Remove the E-washer attaching the load arm. Move the load arm in the direction of the arrow and release the joint e on the cassette catch. E-washer Joint e Fig.5...
  • Page 9 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Removing the side bracket assembly Side bracket assembly (See Fig.10 to 12) Joint l Remove the screw C attaching the side bracket assembly. Joint m Detach the front side of the side bracket assembly upward and pull out forward to release the joint l and m in the rear.
  • Page 10 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Removing the pinch arm (F) assembly (See Fig.13 and 14) Remove the polywasher and pull out the pinch arm (F) assembly. Remove the compulsion spring. Polywasher Pinch arm Polywasher Pinch arm (F) assembly (R) assembly Removing the pinch arm (R) assembly Fig.13...
  • Page 11 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Removing the head / tape guide (See Fig.18 and 19) Slide chassis assembly REFERENCE: It is not necessary to remove the slide chassis assembly. Remove the band attaching the wire to the head. Remove the two screws D, the head and the head Head Tape guide...
  • Page 12 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Disassembling the flywheel assembly (F) (See Fig.22 and 23) Push and turn counterclockwise the spring holder (F) Flywheel assembly (F) Flywheel assembly (R) to release the three joints s on the bottom of the flywheel.
  • Page 13 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Removing the gear base arm / gear base Gear base arm Joint w link assembly (See Fig.27 to 29) Joints v Move the gear base arm in the direction of the arrow. Hook x Insert a slotted screwdriver to the gear base spring under the gear base arm, and release the gear base FFC pad...
  • Page 14 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Mode gear Mode switch actuator Removing the mode gear (See Fig.30 and 33) Remove the polywasher on the bottom and pull out the mode gear. Removing the mode switch actuator Polywasher (See Fig.30, 31 and 33) Pull out the mode switch actuator at the bottom.
  • Page 15 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Slot f' Removing the gear base assembly / take up gear / reflector gear (See Fig.34 to 36) Push in the pin e’ of the gear base assembly on the upper side of the body and move the reflector gear toward the bottom, then pull out.
  • Page 16 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Removing the side bracket assembly (See Fig.37 to 41) Remove the eject cam plate spring. Push the joint g‘ through the slot to remove the load rack downward. Joint g' Move the eject cam limiter in the direction of the arrow to release it from the boss h’...
  • Page 17 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Main motor Removing the main motor assembly / assembly sub motor assembly (See Fig.42 to 44) Reduction gear (B) Belt Reduction Remove the belt at the bottom. gear (A) Remove the polywasher and pull out the mode gear. Polywasher Sub motor Pull out the reduction gear (B).

  • Page 18: Adjustment Method

    http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Adjustment method Test instruments reqired for adjustment Standard volume position 1. Digital osclloscope(100MHz) Balance and Bass,Treble volume. Fader 2. Frequency Counter meter :Center(Indication"0") 3. Electric voltmeter Loudness,Dolby NR,Sound,Cruise:Off 4. Wow & flutter meter Volume position is about 2V at speaker output with 5.
  • Page 19 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Arrangement of adjusting & test points Cassette mechanism (Surface) Motor assembly Tape speed adjust Azimuth screw A (Forward) Playback head Azimuth screw B (Reverse) Head section view L 13942296513 Azimuth screw B Azimuth screw A (Reverse) (Forward) Playback Head...
  • Page 20 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Information f or using a car audio service jig 1. We're advancing efforts to make our extension cords common for all car audio products. Please use this type of extension cord as follows. 2.
  • Page 21 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Mechanism adjustment section Item Adjusting & Confirmation Methods Adjust Std. Value 1. Tape running a) At Forward playmode, using mirror tape, make adjustment Azimuth adjustment with Azimuth screw A and Azimuth screw B, without curl of 4 screw A parts of head tape guide.

  • Page 22: Description Of Major Ics

    http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Description of major ICs HA13164A(IC901):Regulator 1.Terminal layout 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 2.Block diagram Surge Protector BIAS L 13942296513 UNIT R: note1) TAB (header of IC) connected to GND 3.Pin function Pin No.
  • Page 23 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 CXA2559Q(IC401):Playback equalizer amplifier with music sensor 1.Pin layout 2.Blockdiagram 24dB 100k 7k/12k 300k MS MODE BIAS MUTE TAPE EQ FWD/RVS MS ON/ 300k 7k/12k 100k 24dB 3.Pin function Pin No. Symbol Function PBTC1 Terminal of capacity of reproduction equalizer reproduction PBOUT1 Equalizer output terminal...
  • Page 24 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 UPD178018AGC-585(IC701) : Main system control CPU 1. Pin layout 2. Pin function Pin No. Port Name Descriptions KEY 0 Key input 0 KEY 1 Key input 1 KEY 2 Key input 2 LEVEL Level meter input S.meter level input S.Quality level input...
  • Page 25 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 UPD178018AGC-585(2/2) Pin No. Port Name Descriptions FF/REW Output for input signal level switching for MS L : FF,REW H : PLAY FWD,REV running direction switch signal input DOLBY Dolby on "H" output MSIN MS input I2CCLK I2C information clock output...
  • Page 26 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 LA4743K(IC301):Power AMP 1.Block diagram Protective circuit L 13942296513 Stand by Switch Ripple Mute Filter circuit Protective circuit u163 Muting & ON Time Control Circuit 1-26 http://www.xiaoyu163.com...
  • Page 27 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 2.Terminal layout 3.Pin function LA4743K Pin No. Symbol Function Header of IC Power GND RROUT- Outpur(-) for front Rch STANBAY Stand by input Output (+) for front Rch RROUT+ Power input FRONT- Output (-) for rear Rch Power GND Output (+) for rear Rch FRONT+...
  • Page 28 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 LC75823W (IC651) : LCD driver 1. Pin Layout & Symbol 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 2.
  • Page 29 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 SAA6579T-X(IC71):RDS 1.Pin layout DATA Vref OSCO OSCI TEST SOUT MODE 2.Block diagram ANTI- 57 kHz OSCILLATOR QUALITY BIT RECONSTRUCTION ALIASING BAND PASS GENERATOR FILTER FILTER (8th ORDER) DIVIDER COSTAS LOOP BIPHASE CLOCKED DIFFERENTIAL VARIABLE AND SYMBOL COMPARATOR...
  • Page 30 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 TEA6320T-X (IC161) : E.volume 1.Pin layout 2.Block diagram VOLUME 2 MUTE 0 to 55 dB FUNCTION BALANCE OUTRR OUTRL ZERO CROSS FENDER REAR POWER DETECTOR OUTRF OUTFL SUPPLY VOLUME 1 BASS TREBLE +20 to -31 dB VOLUME 2 LEFT LEFT...
  • Page 31 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 HD74HC126FP-X (IC751) : Buffer 1.Terminal layout 3.Pin function Input Outout 2.Block diagram Output Input L 13942296513 Output Sample as Load Circuit 1 Output Sample as Load Circuit 1 Output Sample as Load Circuit 1 LB1641 (IC402) : DC motor driver 2.
  • Page 32 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 L 13942296513 u163 VICTOR COMPANY OF JAPAN, LIMITED MOBILE ELECTRONICS DIVISION PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan 200202 (No.49695) http://www.xiaoyu163.com...
  • Page 33 http://www.xiaoyu163.com KS-FX732R 3 7 6 3 1 5 1 5 0 MOTOR SWITCH MAIN TAPE END.STANDBY MOTOR HEAD CJ402 CJ403 TO SPEAKER TO CD CHANGER MOTOR METAL CONNECTOR TO REAR LINE OUT TAPE IN MODE J801 CP901 STANDBY J321 PHOTO IC401 REEL L/R F...
  • Page 34 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 < M E M O > L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 35: Standard Schematic Diagrams

    http://www.xiaoyu163.com KS-FX732R Standard schematic diagrams 3 7 6 3 1 5 1 5 0 Receiver & System control section LA4743K IC301 J321 QAU0259-001 QNN0170-001 C323 C321 150p C324 C325 C322 R301 150p C308 2.2/50 QNB0100-002 C326 C309 R302 1/50 2.2/50 TU.R 1/50 4.7u...
  • Page 36 http://www.xiaoyu163.com KS-FX732R KS-FX732R 3 7 6 3 1 5 1 5 0 Mecha control circuit section Q403 2SB1322/RS/-T R401 Q402 DTC114EKA-X CJ403 QGF1219F1-10 0.015 C411 R418 1 3 9 4 2 2 9 6 5 1 3 22/16 C409 IC401 CXA2559Q R416 1.5M...
  • Page 37 http://www.xiaoyu163.com KS-FX732R 3 7 6 3 1 5 1 5 0 LCD driver & Operation switch section LCD1 QLD0211-002 VMC0335-001 CP701 1 3 9 4 2 2 9 6 5 1 3 D655 MA152WK-TX COM1 R651 COM2 1.5k COM3 C651 0.01 IC651 D654...

  • Page 38: Printed Circuit Boards

    http://www.xiaoyu163.com KS-FX732R KS-FX732R 3 7 6 3 1 5 1 5 0 Printed circuit boards Front board (Forward side) D601 GEB10033A R612 R601 S621 S601 D606 D616 C653 D619 R603 R652 R611 S620 S604 S603 Main board (Reverse side) S608 D605 R602 D617...

  • Page 39: Parts List

    http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 PARTS LIST [ KS-FX732R ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix E ----------- Continental Europe L 13942296513 EX --------------- Central Europe - Contents - 3- 2 Exploded view of general assembly and parts list (Block No.M1) 3- 5...

  • Page 40: Exploded View Of General Assembly And Parts List

    http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Exploded view of general assembly and parts list Block No. L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 41 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Parts list (General assembly) Block No. M1MM Item Parts number Parts name Q'ty Description Area -------------------- CASSETTE MECHA 1 CDS-802JE1 FSYH4036-050 SHEET FSKL2001-004 MECHA BKT(L) FSKL2002-002 MECHA BKT(R) QYSDST2606Z SCREW 1 PCB+MECHA SCREW 4 MECHA+M.BKT QYSDST2606Z FSJC1056-002...
  • Page 42 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Parts list (General assembly) Block No. M1MM Item Parts number Parts name Q'ty Description Area GE40103-001A REG.BKT GE40104-001B HEAT SINK FSKM3012-014 REAR BRACKET QYSDST2606Z SCREW 1 REAR BKT+ANT JACK QYSDST2606Z SCREW 1 REAR BKT+REG BKT QYSDSF3006Z SCREW 1 REAR BKT+PIN JACK...

  • Page 43: Cassette Mechanism Assembly And Parts List

    http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Cassette mechanism assembly and parts list Block No. CDS-802JE1 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 44 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Parts list (Cassette mechanism) Block No. MPMM Item Parts number Parts name Q'ty Description Area X-0802-1009S MAIN CHASSIS ASSY JE X-0802-1002S SLIDE CHASSIS ASSY X-0802-1003S SIDE BKT ASSY X-0802-1004S CASSETTE HANGER X-0802-1005S PINCH ARM F ASSY PINCH ARM R ASSY X-0802-1006S X-0802-1007S...
  • Page 45 1-0050-5023S WIRE CLAMPER REEL PCB DL 1-0802-7001S 1-0802-7010S SWITCH(MATSUSITA) 1 ESE22MH32 1-0802-7003S SWITCH(MIC) 1 MPU11750MLBO 1-0802-7016S FLAT CABLE 10P 1 10P-JVC 1-0801-7024S PHOTO SENSOR(MATSUSITA) 1 ON2170-QR FS 1-0802-7009S SWITCH(MIC) 1 MPU12370MLB0 1-0802-7007S HEAD(MITSUMI) 1 P-5344-CB-4152 1-0801-7009-0S M.MOTOR WIRE 1 BLACK 1-0801-7009-1S M.MOTOR WIRE...
  • Page 46 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Grease point 1/2 FG-84M MEA-512R MEN-223 SW-902 CFD-409 CFD-250H EP-56 SW-474B L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 47 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Grease point 2/2 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 48 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area QERF1CM-107Z E CAPACITOR 100MF 20% 16V C 306 NCB21EK-104X C CAPACITOR NDC31HJ-470X C.CAPA.
  • Page 49 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area D 703 UDZS5.6B-X Z DIODE NRSA63J-473X MG RESISTOR D 704 UDZS5.6B-X Z DIODE NRS181J-120X MG RESISTOR...
  • Page 50 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area R 707 NRSA02J-472X MG RESISTOR R 708 NRSA63J-472X MG RESISTOR R 709 NRSA02J-0R0X MG RESISTOR R 711 NRS181J-473X MG RESISTOR R 712 NRSA63J-473X...
  • Page 51 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Electrical parts list (Mecha control board) Block No. 02 Item Parts number Parts name Remarks Area C 401 NDC31HJ-101X C.CAPACITOR C 402 NDC31HJ-101X C.CAPACITOR C 403 NDC31HJ-101X C.CAPACITOR C 404 NDC31HJ-101X C.CAPACITOR C 405 NDC31HJ-101X C.CAPACITOR C 406...
  • Page 52 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Electrical parts list (Front board) Block No. 03 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area C 651 NCB21HK-103X C CAPACITOR R 648 NRSA02J-102X MG RESISTOR C 652 NBE20JM-475X TS E CAPACITOR R 649...
  • Page 53 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 < M E M O > L 13942296513 u163 3-15 http://www.xiaoyu163.com...

  • Page 54: Packing Materials And Accessories Parts List

    http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Packing materials and accessories parts list Block No. Block No. E version A2~A6 EX version A1,A3,A5,A6 L 13942296513 E version A1 KIT:A8~A12 u163 3-16 http://www.xiaoyu163.com...
  • Page 55 http://www.xiaoyu163.com KS-FX732R 3 7 63 1515 0 Parts list (Packing) Block No. M3MM Item Parts number Parts name Q'ty Description Area FSPG4002-001 POLY BAG 2 INST.BOOK QPA00801205 POLY BAG QPA01003003 POLY BAG FSYH4036-068 SHEET QPC03004315P POLY BAG CARTON GE30407-016A GE10036-001A ESP CUSHION 2 LEFT/RIGHT SIDE Parts list (Accessories)

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