KD-SX947R 3 7 63 1515 0 SERVICE MANUAL CD RECEIVER 49818 2003 KD-SX947R SOUND KD-S X947R SOURCE L 13942296513 Area Suffix EE ------ Russian Federation TABLE OF CONTENTS Important Safety Precautions ............1-2 Disassembly method .
KD-SX947R SECTION 1 3 7 63 1515 0 Important Safety Precautions 1.1 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.
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KD-SX947R 1.2 Preventing static electricity 3 7 63 1515 0 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.
KD-SX947R SECTION 2 3 7 63 1515 0 Disassembly method 2.1 Main body 2.1.1 Removing the front panel assembly (See Fig.1) (1) Push the detach button in the left right part of the front pan- el and remove the front panel assembly in the direction of Front panel assembly the arrow.
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KD-SX947R 2.1.3 Removing the heat sink 3 7 63 1515 0 (See Fig.5) (1) Remove the two screws C and two screws D on the left side of the main body. Heat sink Fig.5 2.1.4 Removing the bottom cover (See Figs.6 and 7)
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KD-SX947R 2.1.5 Removing the rear bracket 3 7 63 1515 0 (See Fig.8) • Prior to performing the following procedure, remove the front panel assembly, front chassis assembly, heat sink and bottom cover. Rear bracket (1) Remove the three screws E, one screws F and three screws G on the back of the main body.
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KD-SX947R 2.1.8 Removing the CD mechanism assembly 3 7 63 1515 0 (See Fig. 11) • Prior to performing the following procedure, remove the front panel assembly, front chassis assembly, heat sink, bottom cover, rear bracket, main board and CD mecha board.
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KD-SX947R 2.2 CD Mechanism section 3 7 63 1515 0 2.2.1 Removing the top cover (See Figs.1 and 2) (1) Remove the two 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.
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KD-SX947R 2.2.2 Removing the connector board 3 7 63 1515 0 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 in- struction may cause damage of the pickup.
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KD-SX947R 2.2.3 Removing the DET switch 3 7 63 1515 0 (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.
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KD-SX947R 2.2.4 Removing the chassis unit 3 7 63 1515 0 (See Figs.8 and 9) • Prior to performing the following procedure, remove the top Chassis unit cover and connector board. Suspension spring (L) (1) Remove the two suspension springs (L) and (R) attaching Suspension spring (R) the chassis unit to the frame.
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KD-SX947R 2.2.5 Removing the clamper assembly 3 7 63 1515 0 (See Figs.10 and 11) • Prior to performing the following procedure, remove the top cover. (1) Remove the clamper arm spring. Clamper arm (2) Move the clamper assembly in the direction of the arrow to spring release the two joints d.
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KD-SX947R 2.2.6 Removing the loading / feed motor assembly 3 7 63 1515 0 (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 as- sembly in the direction of the arrow to remove it from the chassis rivet assembly.
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KD-SX947R 2.2.7 Removing the pickup unit 3 7 63 1515 0 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 the pu.
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KD-SX947R 2.2.9 Removing the trigger arm 3 7 63 1515 0 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.
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KD-SX947R 2.2.11 Removing the mode sw. / select lock arm 3 7 63 1515 0 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.
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KD-SX947R 2.2.12 Reassembling the mode sw. / select lock arm 3 7 63 1515 0 Select lock arm spring (See Figs.24 to 26) REFERENCE: Hook w Reverse the above removing procedure. (1) Reattach the select lock arm spring to the top plate and set...
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KD-SX947R 2.2.13 Removing the select arm R / link plate 3 7 63 1515 0 Link plate Joint c' Joint r (See Figs.27 and 28) Joint b' • Prior to performing the following procedure, remove the top Select arm R plate assembly.
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KD-SX947R 2.2.15 Removing the loading roller assembly 3 7 63 1515 0 (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.
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KD-SX947R 2.2.16 Removing the loading gear 5, 6 and 7 3 7 63 1515 0 (See Figs.35 and 36) Loading gear bracket • Prior to performing the following procedure, remove the top cover, chassis unit, pickup unit and top plate assembly.
KD-SX947R 2.2.17 Removing the gears 3 7 63 1515 0 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 •...
KD-SX947R 2.2.18 Removing the turn table / spindle motor 3 7 63 1515 0 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 as- sembly through the slot of the turn table on top of the body.
FM1/FM2 87.5MHz to 108.0MHz 6. Digital tester 65.0MHz to 74.0 MHz 7. Tracking offset meter AM (MW ) 522kHz to 1620kHz 8. Test Disc JVC :CTS-1000 (LW ) 144kHz to 279kHz 9. Extension cable for check EXTSH002-22P 1 Dummy load Exclusive dummy load should be used for AM,and FM.
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KD-SX947R 3.2 Flow of functional operation unit TOC read 3 7 63 1515 0 Power ON When the laser diode correctly Set Function CD When the pickup correctly moves emits to the inner area of the disc Microprocessor $82 $81...
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KD-SX947R 3.3 Troubleshooting 3 7 63 1515 0 3.3.1 Feed section Is the voltage output at Is the wiring for IC681 Is 3.3V present at IC681 IC621 pin "40" 5V or 0V? pin 27? pin "20"? Check CD 8V Check the vicinity of and 5V.
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KD-SX947R 3.4 Maintenance of laser pickup 3 7 63 1515 0 3.5 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.
KD-SX947R SECTION 4 3 7 63 1515 0 Description of major ICs 4.1 BA3220FV-X (IC361,IC811) : Line out amp • Pin layout 3220 • Block diagram OUTL OUTR RGND LGND L 13942296513 REFR REFL FILTER u163 (No.49818)1-27 http://www.xiaoyu163.com...
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KD-SX947R 4.2 BR24C01AFV-W-X (IC502) : EEPROM 3 7 63 1515 0 • Pin layout • Block diagram 1kbit EEPROM ARRAY 8bit 7bit SLAVE/WORD ADDRESS DATA 7bit ADDRESS REGISTER DECODER REGISTER START STOP CONTROL LOGIC L 13942296513 HIGH VOLTAGE GEN.
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KD-SX947R 4.3 BR24C32F-X (IC771) : EEPROM 3 7 63 1515 0 • Pin layout • Pin function Symbol Function WPIN Power supply. A0,A1,A2 No use connect to GND. Serial clock input. I/O Serial data I/O of slave and word address.
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KD-SX947R 4.6 HD74HC126FP-X (IC801) : Buffer 3 7 63 1515 0 • Pin layout • Pin function Input Output Note: H:High level L:Low level X:Irrelevant Z:Off(High-impedance) State a 3-state input • Block diagram Output Input L 13942296513 Output Sample as Load Circuit 1...
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KD-SX947R 4.7 HD74HCT126T-X : (IC503) Buffer 3 7 63 1515 0 • 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...
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KD-SX947R 4.9 LA47505 (IC301) : Power amp. 3 7 63 1515 0 • Block diagram Protective circuit Stand by Switch L 13942296513 Ripple Mute Filter circuit protective circuit Muting & On Time Control Circuit u163 1-34 (No.49818) http://www.xiaoyu163.com...
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KD-SX947R • Pin layout 3 7 63 1515 0 • Pin function Pin No. Symbol Function AC CONT1 Header of IC GND1 Power GND OUTFR- Outpur(-) for front Rch STBY Stand by input OUTFR+ Output (+) for front Rch...
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KD-SX947R 3 7 63 1515 0 Pin No Symbol I/O Descroption TMAX O TMAX detection result output pin. TMAX Detection Result TMAX Output Longer than fixed period "PV " Within fixed period "HiZ" Shorter than fixed period "AV "...
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LCD DA Data output for LCD driver LCD CK Clock output for LCD driver L 13942296513 BUS I/O JVC BUS input/output control terminal (negative) BUS I/O JVC BUS input/output control terminal BUS SI JVC BUS data input terminal BUS SO...
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CD mechanism SW1 input terminal B.DET Backup power supply detection input terminal (H:Stop mode) P.DET Main power off detection input terminal (H:HALT mode) BUS INT JVC BUS communication start interrupt input terminal L 13942296513 MP3 REQ CD MP3 request signal input terminal VSS0 VDD1 3.3V...
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KD-SX947R 4.23 UPD784215AGC221 (IC701) : CPU 3 7 63 1515 0 • Pin Layout 100 ~ 76 26 ~ 50 • Pin function Pin No. Symbol function RESET Reset output for CD sub-micon CD MUTE Muting request of CD sub-micon...
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KD-SX947R 3 7 63 1515 0 Pin No. Symbol function BUZZER Buzzer output EPROMDI I2C data input EPROMDO I2C data output EPROMCLK I2C clock output OPEN Door open switch 49~52 No use SD/ST Station detector or stereo indicator input...
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KD-SX947R 4.24 TDA7404D-X (IC161) : Carradio signal processor 3 7 63 1515 0 • 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...
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KD-SX947R 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.49818) Printed in Japan 200304WPC http://www.xiaoyu163.com...
KD-SX947R 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.
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KD-SX947R 3 7 63 1515 0 < M E M O > L 13942296513 u163 http://www.xiaoyu163.com...
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KD-SX947R 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.49818SCH) 2003/04 http://www.xiaoyu163.com...
KD-SX947R 3 7 63 1515 0 PARTS LIST [ KD-SX947R ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix EE --------- Russian Federation L 13942296513 - Contents - Exploded view of general assembly and parts list (Block No.M1) CD mechanism assembly and parts list (Block No.MB)
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KD-SX947R 3 7 63 1515 0 Exploded view of general assembly and parts list Block No. L 13942296513 u163 http://www.xiaoyu163.com...
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KD-SX947R 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 QYSDSF2606Z SCREW 2.6mm x 6mm GE40136-001A IC BRACKET ------------ CD MECHA...
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KD-SX947R 3 7 63 1515 0 CD mechanism assembly and parts list Block No. Grease TNG-87 GP-501MK TN-2001-1013 CFD-005Z GP-501A L 13942296513 u163 http://www.xiaoyu163.com...
KD-SX947R 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...
KD-SX947R 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 D713 UDZS5.6B-X Z DIODE 1.5kΩ 1/10W J...
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KD-SX947R 3 7 63 1515 0 Symbol No. Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local C174 QERF1HM-105Z E CAPACITOR 1uF 50V M C717 NCB31EK-104X C CAPACITOR 0.1uF 25V K C175...
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KD-SX947R 3 7 63 1515 0 Symbol No. Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local NRSA02J-101X MG RESISTOR 100Ω 1/10W J R721 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J NRSA63J-682X MG RESISTOR 6.8kΩ...
KD-SX947R 3 7 63 1515 0 Symbol No. Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local J801 QNZ0095-001 CONNECTOR R612 NRSA63J-821X MG RESISTOR 820Ω 1/16W J S701 QSW0451-001 DETECT SW R613...
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KD-SX947R 3 7 63 1515 0 Mecha control board Symbol No. Part No. Part Name Description Local Block No. [0][3][0][0] C605 NCB31HK-682X C CAPACITOR 6800pF 50V K Symbol No. Part No. Part Name Description Local C606 NEAD0JM-476X E CAPACITOR 47uF 6.3V M...
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KD-SX947R 3 7 63 1515 0 Symbol No. Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local R510 NRSA63J-101X MG RESISTOR 100Ω 1/16W J R608 NRSA63J-821X MG RESISTOR 820Ω 1/16W J R511...
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KD-SX947R 3 7 63 1515 0 Symbol No. Part No. Part Name Description Local CN501 QGB2027L1-22X CONNECTOR B-B (1-22) CN601 QGF0527F2-22W CONNECTOR FFC/FPC (1-22) TH501 NAD0022-103X N THERMISTOR 10kΩ X501 NAX0430-001X CRYSTAL X571 NAX0375-001X CRYSTAL L 13942296513 u163 3-12 http://www.xiaoyu163.com...
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KD-SX947R 3 7 63 1515 0 Packing materials and accessories parts list Block No. A4A5A6 L 13942296513 A10 A11 u163 3-14 http://www.xiaoyu163.com...
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KD-SX947R 3 7 63 1515 0 Packing and accessories Block No. [M][3][M][M] Symbol No. Part No. Part Name Description Local GET0126-001A INST BOOK ENG RUS GET0126-002A INSTALL MANUAL ENG RUS LV40978-001A CAUTION SHEET BT-54013-5 WARRANTY CARD VND3046-001 SERIAL TICKET...