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JVC KD-SH9750 Service Manual
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JVC KD-SH9750 Service Manual

JVC KD-SH9750 Service Manual

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3 7 63 1515 0
SERVICE MANUAL
5
2003
49831
KD-SH9750,KD-SH9700
TE
L 13942296513
ARSENAL rogo
Line output level
WARRANTY
1
Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
Disassembly method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
3
Adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-28
4
Description of major ICs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-34
www
.
http://www.xiaoyu163.com
CD RECEIVER
ATT
ANGLE
EQ
CD
DAB
DISC
FM
PRESET
PRESET
AM
R D
CH
SRC
DISC
AUX
SEL
ATT
VOLUME
RM-RK100
KD-SH9750J
4 V
2 YEAR
TABLE OF CONTENTS
x
ao
u163
y
i
COPYRIGHT © 2003 VICTOR COMPANY OF JAPAN, LIMITED
http://www.xiaoyu163.com
2 9
8
D
DISP
Q Q
SEL
1
2
3
4
3
6 7
1 3
KD-SH9750C KD-SH9700J
4 V
2 V
1 YEAR
1 YEAR
.
9 4
2 8
BBE
MODE
5
6
M
1 5
0 5
8
2 9
9 4
KD-SH9750
Area Suffix
J -------------------------- U.S.A.
C --------------------- CANADA
KD-SH9700
Area Suffix
J -------------------------- U.S.A.
m
co
9 9
2 8
9 9
No.49831
2003/5

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Summary of Contents for JVC KD-SH9750

  • Page 1 3 7 63 1515 0 SERVICE MANUAL CD RECEIVER 49831 2003 KD-SH9750,KD-SH9700 ANGLE DISC PRESET PRESET DISC DISP VOLUME MODE L 13942296513 RM-RK100 KD-SH9750 Area Suffix J -------------------------- U.S.A. C --------------------- CANADA KD-SH9750J KD-SH9750C KD-SH9700J KD-SH9700 ARSENAL rogo Area Suffix Line output level J -------------------------- U.S.A.
  • Page 2 Level ±10 dB Frequency Response 40 Hz to 20,000 Hz Signal-to-Noise Ratio 70 dB Line-In Level/Impedance (KD-SH9750 only) LINE IN 1.5 V/20 kΩ load Line-Out Level/Impedance KD-SH9750 4.0 V/20 kΩ load (full scale) KD-SH9700 2.0 V/20 kΩ load (full scale) Output Impedance 1 kΩ...
  • Page 3 http://www.xiaoyu163.com 3 7 63 1515 0 SECTION 1 Precautions Safety Precautions 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. Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check.
  • Page 4 http://www.xiaoyu163.com 3 7 63 1515 0 Preventing static electricity Electrostatic discharge (ESD), which occurs when static electricity stored in the body, fabric, etc. is discharged, can destroy the laser diode in the traverse unit (optical pickup). Take care to prevent this when performing repairs. 1.2.1 Grounding to prevent damage by static electricity Static electricity in the work area can destroy the optical pickup (laser diode) in devices such as CD players.
  • Page 5 http://www.xiaoyu163.com 3 7 63 1515 0 SECTION 2 Disassembly method Main body section Front panel assembly 2.1.1 Removing the front panel assembly (See Fig.1) (1) Push the detach button in the lower right part of the front panel assembly. (2) Remove the front panel assembly in the direction of the arrow.
  • Page 6 http://www.xiaoyu163.com 3 7 63 1515 0 2.1.2 Removing the top chassis (See Figs.2 to 6) • Turn on power. Top chassis (1) Push the eject button in the upper right part of the front panel assembly to move the front panel assembly as shown in Fig.2 and turn off power.
  • Page 7 http://www.xiaoyu163.com 3 7 63 1515 0 2.1.3 Removing the mecha control board (See Fig.7) Mecha control board • Prior to performing the following procedures, remove the top chassis. (1) Disconnect the card wire from the connector CN601 on the mecha control board. (2) Remove the five screws G attaching the mecha control CN601 board.
  • Page 8 http://www.xiaoyu163.com 3 7 63 1515 0 2.1.5 Removing the motor assembly (See Figs.9 to 11) Motor braket • Prior to performing the following procedures, remove the top Spring chassis. (1) Remove the spring from the motor bracket. (See Fig.9.) (2) Disconnect the wire from the connector CN982 on the main board.
  • Page 9 http://www.xiaoyu163.com 3 7 63 1515 0 2.1.6 Removing the main board (See Figs.12 to 16) • Prior to performing the following procedures, remove the top chassis and motor assembly. (1) Disconnect the flexible wires from the connectors CN703 and CN991 on the main board respectively. (See Fig.12.) (2) Move the front bracket backward until it stops.
  • Page 10 http://www.xiaoyu163.com 3 7 63 1515 0 2.1.7 Removing the lifter switch board (See Fig.17) • Prior to performing the following procedure, remove the top Bottom chassis chassis, motor assembly and main board. Lifter switch board (1) Remove the two screws T attaching the lifter switch board to the bottom chassis.
  • Page 11 http://www.xiaoyu163.com 3 7 63 1515 0 Joint d Datch lever Front bracket Fig.21 Connector cover Joint e Joint e Joint e Joint f Joint f Joint e Front bracket Joints e Fig.22 Lifter board L 13942296513 Connector cover Fig.23 u163 Fig.24 (No.49831)1-11 http://www.xiaoyu163.com...
  • Page 12 http://www.xiaoyu163.com 3 7 63 1515 0 2.1.9 Removing the front board (See Figs.25 to 28) • Prior to performing the following procedures, remove the front Rear panel panel assembly. (1) Remove the six screws X attaching the rear panel to the front panel assembly.
  • Page 13 http://www.xiaoyu163.com 3 7 63 1515 0 CD Mechanism section 2.2.1 Removing the top cover (See Figs.1 and 2) (1) Remove the four screws A on the both side of the body. (2) Lift the front side of the top cover and move the top cover backward to release the two joints a.
  • Page 14 http://www.xiaoyu163.com 3 7 63 1515 0 2.2.2 Removing the connector board Wires (See Figs.3 to 5) CAUTION: Before disconnecting the flexible wire from the pickup, solder the short-circuit point on the pickup. No observance of this instruction may cause damage of the pickup. (1) Remove the screw B fixing the connector board.
  • Page 15 http://www.xiaoyu163.com 3 7 63 1515 0 2.2.3 Removing the DET switch (See Figs.6 and 7) (1) Extend the two tabs c of the feed sw. holder and pull out the switch. (2) Unsolder the DET switch wire if necessary. switch Connector board Pickup...
  • Page 16 http://www.xiaoyu163.com 3 7 63 1515 0 2.2.4 Removing the chassis unit (See Figs.8 and 9) • Prior to performing the following procedure, remove the top Chassis unit cover and connector board. Suspension spring (L) Suspension spring (R) (1) Remove the two suspension springs (L) and (R) attaching the chassis unit to the frame.
  • Page 17 http://www.xiaoyu163.com 3 7 63 1515 0 2.2.5 Removing the clamper assembly (See Figs.10 and 11) • Prior to performing the following procedure, remove the top cover. (1) Remove the clamper arm spring. Clamper arm spring (2) Move the clamper assembly in the direction of the arrow to release the two joints d.
  • Page 18 http://www.xiaoyu163.com 3 7 63 1515 0 2.2.6 Removing the loading / feed motor assembly (See Figs.12 and 13) • Prior to performing the following procedure, remove the top cover, connector board and chassis unit. (1) Remove the screw C and move the loading / feed motor assembly in the direction of the arrow to remove it from the chassis rivet assembly.
  • Page 19 http://www.xiaoyu163.com 3 7 63 1515 0 2.2.7 Removing the pickup unit Pickup unit (See Figs.14 to 18) • Prior to performing the following procedure, remove the top cover, connector board and chassis unit. (1) Remove the screw D and pull out the pu. shaft holder from Part e the pu.
  • Page 20 http://www.xiaoyu163.com 3 7 63 1515 0 2.2.9 Removing the trigger arm Joint k (See Figs.19 and 20) • Prior to performing the following procedure, remove the top cover, connector board and clamper unit. (1) Turn the trigger arm in the direction of the arrow to release Trigger arm the joint k and pull out upward.
  • Page 21 http://www.xiaoyu163.com 3 7 63 1515 0 2.2.11 Removing the mode sw. / select lock arm Link plate Joint t (See Figs.22 and 23) Mode sw. • Prior to performing the following procedure, remove the top plate assembly. Select lock arm (1) Bring up the mode sw.
  • Page 22 http://www.xiaoyu163.com 3 7 63 1515 0 2.2.12 Reassembling the mode sw. / select lock arm Select lock arm spring (See Figs.24 to 26) Hook w REFERENCE: Reverse the above removing procedure. Joint v (1) Reattach the select lock arm spring to the top plate and set Joint v the shorter end of the select lock arm spring to the hook w on the top plate.
  • Page 23 http://www.xiaoyu163.com 3 7 63 1515 0 2.2.13 Removing the select arm R / link plate Link plate Joint c' Joint r (See Figs.27 and 28) Select arm R Joint b' • Prior to performing the following procedure, remove the top plate assembly.
  • Page 24 http://www.xiaoyu163.com 3 7 63 1515 0 2.2.15 Removing the loading roller assembly (See Figs.31 to 33) Loading roller assembly • Prior to performing the following procedure, remove the Roller guide clamper assembly and top plate assembly. spring (1) Push inward the loading roller assembly on the gear side and detach it upward from the slot of the joint g' of the lock arm rivet assembly.
  • Page 25 http://www.xiaoyu163.com 3 7 63 1515 0 2.2.16 Removing the loading gear 5, 6 and 7 Loading gear bracket (See Figs.35 and 36) • Prior to performing the following procedure, remove the top Loading gear 6 cover, chassis unit, pickup unit and top plate assembly. (1) Remove the screw K attaching the loading gear bracket.
  • Page 26 http://www.xiaoyu163.com 3 7 63 1515 0 2.2.17 Removing the gears Joint p' (See Figs.37 to 40) • Prior to performing the following procedure, remove the top Change plate cover, chassis unit, top plate assembly and pickup unit. rivet assembly • Pull out the loading gear 3. (See Fig.35.) (1) Pull out the feed gear.
  • Page 27 http://www.xiaoyu163.com 3 7 63 1515 0 2.2.18 Removing the turn table / spindle motor Turn table (See Figs.41 and 42) • Prior to performing the following procedure, remove the top cover, connector board, chassis unit and clamper assembly. (1) Remove the two screws L attaching the spindle motor assembly through the slot of the turn table on top of the body.
  • Page 28 Frequency Band (6) Digital tester 87.5MHz to 107.9MHz (7) Tracking offset meter (with channel interval set to 200kHz) (8) Test Disc JVC :CTS-1000 (9) Extension cable for check 87.5MHz to 108.0MHz EXTSH002-22P × 1 (with channel interval set to 50kHz)
  • Page 29 http://www.xiaoyu163.com 3 7 63 1515 0 Service mode When entering the service mode, "DATA CLEAR" is displayed without fail. : Initial display : SEEK UP : DISC UP POWER : SEEK DOWN : DISC DOWN SOURCE EPROM all clear & Flash ROM all clear DATA_CLEAR EPROM_CLEAR (Following all contents are cleared.)
  • Page 30 http://www.xiaoyu163.com 3 7 63 1515 0 CD_DATA_READ ADJ_NOW ADJ_NOW ADJ_INT FEB__ ____TEB__ OTHERS FGA__ ____TGA__ FEO__ ____RFG__ DISC+/-:FUNCTION TEO__ ADJ_NOW ADJ_INT ADJ_INT FEB__ ____TEB__ OTHERS FGA__ ____TGA__ FEO__ ____RFG__ TEO__ CD data display ADJ_NOW OTHERS Hex. code display ADJ_INT IOP__TEMP____I Total running time display OTHERS IOP__INT__...
  • Page 31 http://www.xiaoyu163.com 3 7 63 1515 0 Troubleshooting Feed section Is 3.3V present at IC681 Is the voltage output at Is the wiring for IC621 IC621 pin "40" 5V or 0V? pin "40"? pin "6"? Check CD 8V Check the vicinity of and 5V.
  • Page 32 http://www.xiaoyu163.com 3 7 63 1515 0 Flow of functional operation unit TOC read Power ON When the laser diode correctly When the pickup correctly moves Set Function CD emits to the inner area of the disc Microprocessor $82 $81 Microprocessor commands Disc inserted commands...
  • Page 33 http://www.xiaoyu163.com 3 7 63 1515 0 Maintenance of laser pickup Replacement of laser pickup (1) Cleaning the pick up lens Before you replace the pick up, please try to clean the lens Turn off the power switch and,disconnect the with a alcohol soaked cotton swab. power cord from the ac outlet.

  • Page 34: Description Of Major Ics

    http://www.xiaoyu163.com 3 7 63 1515 0 SECTION 4 Description of major ICs AK7740VT (IC101) : Audio DSP with AD/DA converter • Pin layout AINL3 AOUTL2 AINR2 AOUTR2 AINL2 BVSS AINR1 DVSS AINL1 DVDD VREFH INT_RES 48 pin LQFP AVDD (TOP VIEW) S_RESET AVSS DVSS...
  • Page 35 http://www.xiaoyu163.com 3 7 63 1515 0 • Pin function Pin No. Symbol Function AINL3 ADC single-ended analog Lch input pin No.3 AINR2 ADC single-ended analog Rch input pin No.2 AINL2 ADC single-ended analog Lch input pin No.2 AINR1 ADC single-ended analog Rch input pin No.1 AINL1 ADC single-ended analog Lch input pin No.1 VREFH...
  • Page 36 http://www.xiaoyu163.com 3 7 63 1515 0 BA3220FV-X (IC171,IC271) : Line out amp • Pin layout 3220 • Block diagram OUTL OUTR RGND LGND L 13942296513 REFR REFL FILTER u163 1-36 (No.49831) http://www.xiaoyu163.com...
  • Page 37 http://www.xiaoyu163.com 3 7 63 1515 0 BA5830FP-X (IC681) : Power driver • Pin Layout & Block diagram BIAS LD/SLED Pre Vcc CONTROL Vcc2 1.65V Level shifter Level shifter T.S.D Level shifter Level shifter MUTE Vcc1 2.4V CONTROL PreGND T.S.D : thermal shutdown Unit of resistance : [ ] •...
  • Page 38 http://www.xiaoyu163.com 3 7 63 1515 0 BA6956AN (IC981) : Reversible motor driver • Pin layout & Block diagram CONTROL LOGIC • Pin function • Truth table Pin No. Symbol Function OUT1 OUT2 MODE VREF Output high voltage level control terminal Forward rotation mode OUT2 Output terminal for motor...
  • Page 39 http://www.xiaoyu163.com 3 7 63 1515 0 BR24C01AFV-W-X (IC502) : EEPROM • Pin layout • Block diagram 1kbit EEPROM ARRAY 8bit 7bit ADDRESS SLAVE/WORD DATA 7bit DECODER ADDRESS REGISTER REGISTER START STOP CONTROL LOGIC L 13942296513 HIGH VOLTAGE GEN. Vcc LEVEL DETECT •...
  • Page 40 http://www.xiaoyu163.com 3 7 63 1515 0 BR24C16F-W-X (IC703) : EEPROM • Pin layout • Block diagram 16kbit EEPROM allay 8bit 11bit Address Slave Ward Data 11bit decoder Address resister resister STOP START Control circuit Power supply High voltage osc circuit voltage det.
  • Page 41 http://www.xiaoyu163.com 3 7 63 1515 0 BU4066BCFV-X (IC152,IC252,IC352) : Quad analog switch • Pin layout & Block diagram I/O4 O/I4 O/I3 I/O3 I/O1 O/I1 O/I2 I/O2 L 13942296513 u163 (No.49831)1-41 http://www.xiaoyu163.com...
  • Page 42 http://www.xiaoyu163.com 3 7 63 1515 0 HA13166 (IC911) : System regulator for car-audio • Pin layout • Block diagram 100u 0.1u EXTOUT Surge Protector 0.1u COMPOUT ANTOUT 0.1u BIAS SW5VOUT ANT CTRL VREF L 13942296513 VREF VDDOUT CTRL 0.1u VthM VthH VREF DSPOUT...
  • Page 43 http://www.xiaoyu163.com 3 7 63 1515 0 4.10 HD74HCT126T-X (IC503,IC941) : Buffer • Pin layout • Pin function Input Output H : High level L : Low level X : Irrelevant Z : Off (Hhigh-impedance)state of a 3-stage output • Block diagram L 13942296513 u163 (No.49831)1-43...
  • Page 44 http://www.xiaoyu163.com 3 7 63 1515 0 4.11 LH28F160BJHET93 (IC803) : 16M flash memory • Pin layout BYTE# 48-LEAD TSOP STANDARD PINOUT 12mm x 20mm TOP VIEW RY/BY# • Block diagram to DQ Output Input buffer buffer L 13942296513 I/O logic ID code BYTE# register...
  • Page 45 http://www.xiaoyu163.com 3 7 63 1515 0 • Pin function Pin No. Symbol Function 1 to 8 to A Address input for memory address Address input for memory address Non connection Write enable Reset VCCW Power supply for write/erase Write protect RY/BY# Ready/Busy 16,17...
  • Page 46 http://www.xiaoyu163.com 3 7 63 1515 0 4.12 MN102H60KCJ1 (IC801) : LCD display sub CPU • Pin layout • Pin function Pin No. Symbol Function LCD reset output Read enable output for extension memory Write enable output for extension memory VCCWCNT Writing voltage control for external ROM RY/BY Read/Busy input for extension memory...
  • Page 47 http://www.xiaoyu163.com 3 7 63 1515 0 Pin No. Symbol Function LCD chip select output Connect to ground VOL1 Rotary encoder input 1 VOL2 Rotary encoder input 2 SWLED3 Not connect AGND Analog ground 62 to 65 KEY0 to KEY3 Key 0 to 3 input AD terminal Power supply SWLED0 SW_LED flashing output 0 for [VOL] key LED...
  • Page 48 http://www.xiaoyu163.com 3 7 63 1515 0 4.13 IC-PST3424U-X (IC802) : Reset • Pin layout VOUT • Block diagram VOUT Vref • Pin function Pin Name Function L 13942296513 Vout Reset Signal Output PIN VDD PIN / Voltage Detect PIN Non connect VSS PIN u163 1-48 (No.49831)
  • Page 49 http://www.xiaoyu163.com 3 7 63 1515 0 4.14 NJM2360AM-X (IC931) : DC-DC convertor • Pin layout 1. Cs 2. Es 3. C 4. GND 5. INV 6. Vcc 7. S 8. C • Block diagram Switch Driver collector collector Switch Ipk sense emitter Timing capacitor...
  • Page 50 http://www.xiaoyu163.com 3 7 63 1515 0 4.16 NJU7241F25-X (IC651) : Regulator • Pin layout GND 1 5 STB VIN 2 VOUT 3 4 NC • Block diagram Short protect VIN 2 3 VOUT STB 5 Vref GND 1 1 GND 4.17 NJU7241F33-X (IC504,IC804) : Voltage regulator L 13942296513 •...
  • Page 51 http://www.xiaoyu163.com 3 7 63 1515 0 4.19 PCM1716E-X (IC571) : D/A converter • Pin layout • Block diagram Serial VoutL Low-pass Filter Input LBCK Mult-level EXTL 8X Oversampling DATA Delta-Sigma Digital Filter Low-pass VoutR Modulator Filter with ML/llS Function Controller EXTR MC/DM1 Mode...
  • Page 52 http://www.xiaoyu163.com 3 7 63 1515 0 4.20 TA2157FN-X (IC601) : RF amp • Pin layout • Block diagram PEAK 50 A BOTTOM PEAK L 13942296513 1.75k 240k 15pF x0.5 240k 15pF x0.5 180k 40pF RFGC (APC SW) (TE BAL) (AGC Gian) (TE BAL) VCTRLPIN Normal mode...
  • Page 53 http://www.xiaoyu163.com 3 7 63 1515 0 • Pin function Pin No. Symbol Function 3.3V power supply pin Main-beam amp input pin Main-beam amp input pin Sub-beam amp input pin Sub-beam amp input pin Monitor photo diode amp input pin Laser diode amp output pin APC circuit ON/OFF control signal, laser diode (LDO) control signal input or bottom/peak detection frequency change pin.
  • Page 54 http://www.xiaoyu163.com 3 7 63 1515 0 4.21 TC94A14FA (IC621) : DSP & DAC • Pin layout & Block daiagram Clock generator 1-bit Servo control Digital equalizer Address automatic circuit adjustment circuit Data CLV servo slicer 16 k Synchronous guarantee decoder L 13942296513 Audio out Digital...
  • Page 55 http://www.xiaoyu163.com 3 7 63 1515 0 Pin No Symbol Descroption TMAX TMAX detection result output pin. TMAX Detection Result TMAX Output Longer than fixed period "PV " Within fixed period "HiZ" Shorter than fixed period "AV " LPFN Inverted input pin for PLL LPF amp. LPFO Output pin for PLL LPF amp.
  • Page 56 http://www.xiaoyu163.com 3 7 63 1515 0 4.22 TC94A20F-008 (IC652) : Audio digital processor with DAC and SRAM • Pin layout & Block diagram Po2/A5 BCKiB/A1 Po3/A6 SDi1/A0 VDDT LRCKiA Po4/A7 BCKiA Po5/A8 SDi0 Po6/A9 LRCKo BCKo IRQ/REQ/A10R VDDT L 13942296513 VDDM(SRAM) MiACK/A11R Fi0/ /OE...
  • Page 57 http://www.xiaoyu163.com 3 7 63 1515 0 • Pin function Pin No. Symbol Function /RESET Hard reset input (H:Operation L: Reset) MiMD Mode select input for MCU interface (H:IIC L:Serial) /MiCS Chip select input for MCU interface Write-enable for external DRAM /MiLP Latch pulse input for MCU interface /RAS...
  • Page 58 http://www.xiaoyu163.com 3 7 63 1515 0 4.23 TDA7404D-X (IC151,251) : Car radio signal processor • Pin layout • Block diagram Mono Fader Mono Fader Mono Fader Mono Fader Mono Fader Mono Fader Zero Cross Mono/Beep Beep Digital Control I C-Bus L 13942296513 Supply u163...
  • Page 59 http://www.xiaoyu163.com 3 7 63 1515 0 4.24 TDA7560-8U (IC301) : Car radio amplifier • Pin layout • Block diagram Vcc1 Vcc2 470uF 100nF ST-BY MUTE HSD/V OUT1+ OUT1- 0.1µF PW-GND L 13942296513 OUT2+ OUT2- 0.1µF PW-GND OUT3+ OUT3- 0.1µF PW-GND OUT4+ OUT4- 0.1µF...
  • Page 60 Chip enable to LCD driver (Not connect) L 13942296513 LCDDA/SI Data to LCD driver (Not connect) LCDCK Clock to LCD driver (Not connect) BUSS0 JVC BUS data BUSSI JVC BUS data BUSSCK JVC BUS clock Pull up to 3.3V DVCC Connect to 3.3V...
  • Page 61 LCD/AD key/Remocon invalidity selection (L) RWSEL CD-RW switching (RW:L) LD/FE LOADING/FEED switching (H:LD, L:FE) LOAD Loading (L:Loading, H:Eject) /BUSIO JVC BUS input/output control (Inverting output) BUSIO JVC BUS input/output control Not connect DVSS Connect to ground Connect to P.DET DVCC Connect to 3.3V...
  • Page 62 Chip enable to LCD driver (Not connect) L 13942296513 LCDDA/SI Data to LCD driver (Not connect) LCDCK Clock to LCD driver (Not connect) BUSS0 JVC BUS data BUSSI JVC BUS data BUSSCK JVC BUS clock Pull up to 3.3V DVCC Connect to 3.3V...
  • Page 63 LCD/AD key/Remocon invalidity selection (L) RWSEL CD-RW switching (RW:L) LD/FE LOADING/FEED switching (H:LD, L:FE) LOAD Loading (L:Loading, H:Eject) /BUSIO JVC BUS input/output control (Inverting output) BUSIO JVC BUS input/output control Not connect DVSS Connect to ground Connect to P.DET DVCC Connect to 3.3V...
  • Page 64 http://www.xiaoyu163.com 3 7 63 1515 0 4.27 UPD784217AGC217 (IC701) : CPU • Pin layout • Block diagram Pin No Symbol Function S.SELECT E-VOL selection output, H: REAR L: FRONT DSP.SELECT DSP or Source direct selection output, H: Source direct L: DSP LINE IN ON OTHER AMP KILL...
  • Page 65 http://www.xiaoyu163.com 3 7 63 1515 0 Pin No Symbol Function NOT USE Not connect DETACH Detach detect input; H means detaching DSP data writing ready input INPUT OVER lLINE,AUX input over detecting port, L: Input over S.RESET DSP system reset output INIT.RESET DSP initialize reset output DSP request input, RQ=L: Interface to micom...
  • Page 66 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 VICTOR COMPANY OF JAPAN, LIMITED AV & MULTIMEDIA COMPANY MOBILE ENTERTAINMENT CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.49831) Printed in Japan http://www.xiaoyu163.com...

  • Page 67: Schematic Diagrams

    KD-SH9750,KD-SH9700 3 7 63 1515 0 SCHEMATIC DIAGRAMS CD RECEIVER KD-SH9750,KD-SH9700 ANGLE DISC PRESET PRESET DISC DISP VOLUME MODE L 13942296513 RM-RK100 KD-SH9750 Area Suffix J -------------------------- U.S.A. C --------------------- CANADA KD-SH9750J KD-SH9750C KD-SH9700J KD-SH9700 ARSENAL rogo Area Suffix Line output level J -------------------------- U.S.A.

  • Page 68: Safety Precaution

    KD-SH9750,KD-SH9700 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. Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check.
  • Page 69 KD-SH9750,KD-SH9700 Block diagram 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 70 KD-SH9750,KD-SH9700 Standard schematic diagrams 3 7 63 1515 0 Main amplifier section (KD-SH9750) IC151 IC251 TDA7404D TDA7404D DSPRR C151 DSPRL CD-L 4.7/25 C251 4.7/25 CD-R C152 TU-L 1/50 C252 1/50 VOLDI TU-R C153 CH-L VOLCL 4.7/25 C253 4.7/25 VOLM...
  • Page 71 KD-SH9750,KD-SH9700 3 7 63 1515 0 IC301 TDA7560 R173 R338 R336 IC171 C333 C336 BA3220FV C180 0.01 C175 100P 100/10 4.7/25 C171 4.7/25 C177 4.7/25 C173 R171 C178 4.7/25 4.7/25 C179 47/16 R172 C176 100/10 C181 0.33 C172 C174 C182 0.33...
  • Page 72 KD-SH9750,KD-SH9700 LCD & Key control, tuner and DSP section (KD-SH9750) 3 7 63 1515 0 R852 R853 R854 1.5k R855 1.5k R896 R454 R453 R452 R451 KEY0 D803 C830 1000P S805 S804 S803 S802 S801 Q803 C831 1000P 2SB709A...
  • Page 73 KD-SH9750,KD-SH9700 3 7 63 1515 0 ACC5V R840 R841 R842 1.5k IC805 RPM6938-V4 R834 R833 R894 R832 8.2k REMOCON R895 R831 ACC5V R830 R829 R828 R827 R826 R825 R824 R823 R822 C805 D810 UDZS6.2B D811 UDZS6.2B D809 UDZS6.2B R821 D812 UDZS6.2B...
  • Page 74 KD-SH9750,KD-SH9700 CD servo control section (KD-SH9750) 3 7 63 1515 0 RWSEL R613 C611 R614 R612 R611 R610 C610 R601 R602 R603 330k R604 330k C605 R608 C603 100/6.3 C612 0.01 0.0068 2SB1132/QR/ C613 0.01 Q601 C604 R616 0.01...
  • Page 75 KD-SH9750,KD-SH9700 3 7 63 1515 0 R585 C585 C587 C589 R581 R583 CD.L-CH 120p 4.7/35 4.7/35 C586 C588 C590 R582 R584 CD.R-CH X571 120p 4.7/35 4.7/35 Q571 R586 ON5V UN2111 Q572 CDON UN2211 R668 C660 IC652 TC94A20F-008 100p C659...
  • Page 76 KD-SH9750,KD-SH9700 3 7 63 1515 0 Main amplifier section (KD-SH9700) IC151 IC251 TDA7404D TDA7404D DSPRR C151 DSPRL CD-L 4.7/25 C251 4.7/25 CD-R C152 TU-L 1/50 C252 1/50 TU-R VOLDI C153 CH-L 4.7/25 VOLCL C253 4.7/25 CH-R VOLM C255 1/50...
  • Page 77 KD-SH9750,KD-SH9700 3 7 63 1515 0 IC301 TDA7560 R338 R336 C333 C336 100P 4.7/25 C331 R342 4.7/25 C181 0.33 C332 R343 C182 0.33 C334 C337 4.7/25 R337 100P 4.7/25 VOLDI R339 VOLCL C180 0.01 VOLM R439 R437 C434 C437 100P 4.7/25...
  • Page 78 KD-SH9750,KD-SH9700 LCD & Key control, tuner and DSP section (KD-SH9700) 3 7 63 1515 0 R852 R853 R854 1.5k R855 1.5k R896 R454 R453 R452 R451 KEY0 D803 C830 1000P S805 S804 S803 S802 S801 Q803 C831 1000P 2SB709A...
  • Page 79 KD-SH9750,KD-SH9700 3 7 63 1515 0 ACC5V R840 R841 R842 1.5k IC805 RPM6938-V4 R834 R833 R894 R832 8.2k REMOCON R895 R831 ACC5V R830 R829 R828 R827 R826 R825 R824 R823 R822 C805 D810 UDZS6.2B D811 UDZS6.2B D809 UDZS6.2B R821 D812 UDZS6.2B...
  • Page 80 KD-SH9750,KD-SH9700 CD servo control section (KD-SH9700) 3 7 63 1515 0 RWSEL R613 C611 R614 R612 R611 R610 C610 R601 R602 R603 330k R604 330k C605 R608 C603 100/6.3 C612 0.01 0.0068 2SB1132/QR/ C613 0.01 Q601 C604 R616 0.01...
  • Page 81 KD-SH9750,KD-SH9700 3 7 63 1515 0 R585 C585 C587 C589 R581 R583 CD.L-CH 120p 4.7/35 4.7/35 C586 C588 C590 R582 R584 CD.R-CH X571 120p 4.7/35 4.7/35 Q571 R586 ON5V UN2111 Q572 CDON UN2211 R668 C660 IC652 TC94A20F-008 100p C659...
  • Page 82 KD-SH9750,KD-SH9700 3 7 63 1515 0 Printed circuit boards Main board Forward side IC911 CN941 CN322 R913 CN321 R914 R915 R953 R954 C931 C920 C356 R921 CN901 C913 C923 C411 C325 C425 C918 C311 D901 R328 R428 D411 C925...
  • Page 83 KD-SH9750,KD-SH9700 3 7 63 1515 0 Main board Reverse side CN901 C422 C322 C421 C321 CN322 CN941 C324 C323 IC911 R329 CN321 C716 C326 C944 R921 CN702 R371 C931 C913 C356 D901 C923 C920 C362 D702 R370 R368 D353...
  • Page 84 KD-SH9750,KD-SH9700 3 7 63 1515 0 Front board Forward side Reverse side D842 D841 D840 D814 D813 D812 D811 D810 D809 D808 D807 D806 R876 Q802 C830 C829 C823 R848 R847 C828 R845 C824 C825 R844 R843 C826 R839...
  • Page 85 KD-SH9750,KD-SH9700 3 7 63 1515 0 Mecha control board Forward side TH501 R615 R605 R606 R616 C573 R608 C572 R614 R607 C571 R609 R564 R566 R565 C608 R571 R574 R524 C632 C631 R539 R678 R630 R526 R631 R507 R506...
  • Page 86 KD-SH9750,KD-SH9700 3 7 63 1515 0 Mecha control board Reverse side L501 Q683 B681 C674 C652 D681 R514 Q682 R515 L651 L622 C682 L623 R511 L621 Q681 D505 C681 D504 R508 C505 R689 D503 C654 R531 R651 D502 C504...
  • Page 87 KD-SH9750,KD-SH9700 3 7 63 1515 0 < M E M O > L 13942296513 u163 2-19 http://www.xiaoyu163.com...
  • Page 88 KD-SH9750,KD-SH9700 3 7 63 1515 0 L 13942296513 u163 VICTOR COMPANY OF JAPAN, LIMITED AV & MULTIMEDIA COMPANY 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.49831SCH) 2003/04 http://www.xiaoyu163.com...

  • Page 89: Parts List

    KD-SH9750,KDSH9700 3 7 63 1515 0 PARTS LIST [ KD-SH9750,KD-SH9700 ] * All printed circuit boards and its assemblies are not available as service parts. KD-SH9750 Area suffix J ---------------------------- U.S.A. C -------------------------- Canada L 13942296513 KD-SH9700 Area suffix J ----------------------------- U.S.A.
  • Page 90 KD-SH9750,KDSH9700 3 7 63 1515 0 Exploded view of general assembly and parts list Block No. L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 91 KD-SH9750,KDSH9700 3 7 63 1515 0 General assembly Block No. [M][1][M][M]  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local LV40865-001A MINI SCREW (x2) LV40865-001A MINI SCREW (x2) --------------------- CD MECHA...
  • Page 92 KD-SH9750,KDSH9700 3 7 63 1515 0  Symbol No. Part No. Part Name Description Local LV32462-001A OPEN LEVER LV42122-001A TORSION SPRING LV40848-008A SPACER L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 93 KD-SH9750,KDSH9700 3 7 63 1515 0 CD mechanism assembly and parts list Block No. Grease TNG-87 TN-2001-1013 GP-501MK CFD-005Z GP-501A L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 94 KD-SH9750,KDSH9700 3 7 63 1515 0 CD mechanism Block No. [M][B][M][M]  Symbol No. Part No. Part Name Description Local 30320101T FRAME 30320102T TOP COVER 30320115T DANPER F (x2) 30320116T DANPER R 303205505T CHASSIS RIVET 303205503T CHANGE P. RVT A...

  • Page 95: Electrical Parts List

    KD-SH9750,KDSH9700 3 7 63 1515 0 Electrical parts list Main board Block No. [0][1][0][0]  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local D322 1SS355-X SI DIODE D331 UDZS5.1B-X Z DIODE...
  • Page 96 KD-SH9750,KDSH9700 3 7 63 1515 0  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local C133 NDC31HJ-101X C CAPACITOR 100pF 50V J C257 QERF1HM-105Z E CAPACITOR 1uF 50V M C134...
  • Page 97 KD-SH9750,KDSH9700 3 7 63 1515 0  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local C356 QERF1HM-225Z E CAPACITOR 2.2uF 50V M C972 QERF1CM-476Z E CAPACITOR 47uF 16V M C357...
  • Page 98 KD-SH9750,KDSH9700 3 7 63 1515 0  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local SH97 R338 NRSA63J-183X MG RESISTOR 18kΩ 1/16W J 50C,S R339 NRSA63J-183X MG RESISTOR 18kΩ 1/16W J...
  • Page 99 KD-SH9750,KDSH9700 3 7 63 1515 0  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local R717 NRSA63J-106X MG RESISTOR 10MΩ 1/16W J R798 NRSA63J-224X MG RESISTOR 220kΩ 1/16W J R718...

  • Page 100: Front Board

    KD-SH9750,KDSH9700 3 7 63 1515 0  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local QZW0010-001 STYLE PIN D833 SML-310LT/MN/-X QAU0204-002 TUNER D834 SML-310LT/MN/-X X101 QAX0264-002Z CRYSTAL 22.5792MHz D835 SML-310LT/MN/-X...
  • Page 101 KD-SH9750,KDSH9700 3 7 63 1515 0  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local R492 NRSA63J-471X MG RESISTOR 470Ω 1/16W J R874 NRSA63J-473X MG RESISTOR 47kΩ 1/16W J R493...
  • Page 102 KD-SH9750,KDSH9700 3 7 63 1515 0  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local D506 RB160M-30-X SB DIODE C638 NCB31HK-103X C CAPACITOR 0.01uF 50V K D682 1SR154-400-X DIODE C639...
  • Page 103 KD-SH9750,KDSH9700 3 7 63 1515 0  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local R540 NRSA63J-473X MG RESISTOR 47kΩ 1/16W J R639 NRSA63J-472X MG RESISTOR 4.7kΩ 1/16W J R541...
  • Page 104 KD-SH9750,KDSH9700 3 7 63 1515 0 Packing materials and accessories parts list Block No. A7A8 A10A11 L 13942296513 KIT: A12A13 A14A15 A16 u163 3-16 http://www.xiaoyu163.com...
  • Page 105 KD-SH9750,KDSH9700 3 7 63 1515 0 Packing and accessories Block No. [M][3][M][M]  Symbol No. Part No. Part Name Description Local LVT1004-001B INST BOOK ENG FRE SPA LVT1004-002A INST MANUAL ENG FRE SPA LVT0717-001B TROUBLE SHEET(C LV42487-001A CAUTION SHEET...

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