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JVC XL-SV205GD Service Manual

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SERVICE MANUAL
VIDEO CD PLAYER
POWER
1 – MIC VOLUME – 2 ECHO
ON /
OFF
MIN MAX MIN MAX MIN MAX
1 — MIC — 2
PLEASE TAKE NOTE BEFORE ORDERING
1. Order all service parts through JVC ASIA PTE LTD.-Customer Satisfaction Dept.
2. Two order are availiable: Initial order and last order (Before End of Line).
3. Minimum order quantity: 100pcs
4. Delivery term: Minimum 2 months upon confirmation of order.
Safety precautions ------------------------------------------------- 1-2
Preventing static electricity ------------------------------------- 1-3
Disassembly ---------------------------------------------------------- 1-4
Description of major IC ----------------------------------------- 1-5
COPYRIGHT
XL-SV205GD
IMPORTANT
Contents
©
2000 VICTOR COMPANY OF JAPAN LTD.
1
2
3
4
5
OPEN/CLOSE
6
7
8
9
+10
10/0
RETURN
XL-SV205GD
VCD / CD 10 KEY
10/0
+
10
1
2
3
4
5
6
7
8
9
P / N
No:28206
Jun. 2001

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Summary of Contents for JVC XL-SV205GD

  • Page 1 1 — MIC — 2 IMPORTANT PLEASE TAKE NOTE BEFORE ORDERING 1. Order all service parts through JVC ASIA PTE LTD.-Customer Satisfaction Dept. 2. Two order are availiable: Initial order and last order (Before End of Line). 3. Minimum order quantity: 100pcs 4.

  • Page 2: Safety Precautions

    XL-SV205GD Safety precautions 1. This design of this product contains special hardware and many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorised in writing by the manufacturer. Replacement parts must be identical to those used in the original circuits.
  • Page 3 XL-SV205GD Preventing static electricity Electrostatic discharge (ESD), which occurs when static electricity stored in the body, fabric, etc. is dis- charged, can destroy the laser diode in the traverse unit (optical pickup). Take care to prevent this when performing repairs.
  • Page 4 XL-SV205GD Disassembly Procedure of disassembly Description QTY. Action Remark Main part Place Plane tray Remove Turn on VCD, open the plane tray then take up the CD door. Self screw Loosen screw Loose the screw, remove from the upper cover.
  • Page 5 XL-SV205GD IC lead identification, internal diagram and description IC301: HT16512 (VFD DRIVER) Block diagram Pin configuration (Top view)
  • Page 6 XL-SV205GD Pin description Symbol Pin Name Pin No. Description Data input Inputs serial data at the rising edge of the shift clock, starting from the low order bit. Data output Output serial data at the falling edge of the shift clock, starting from the low order bit.
  • Page 7 XL-SV205GD Pin configuration Pin description Pin No. Pin Name Description Analog supply voltage input Analog reference voltage (=1/2Vcc) AGND Analog ground DGND Digital ground CLK_O System clock output pin Frequency adjustment pin Current control 1 Current control 0 OP1-OUT OP amplifier 1 output This pin can be used as modulated integrator by connecting capacitor.
  • Page 8 XL-SV205GD IC101: 7805 (REGULATOR) Block diagram Pin configuration U1: CL680 (MPEG-1 DECODER) Block diagram...
  • Page 9 XL-SV205GD Pin configuration Pin description (Maximum voltage) Signal Input Output Signal Input Output Global Interface VDDMAX-IN RAS(0) VDD3 RESET RAS(1) VDD3 CLK_SEL(0:2) VDDMAX-IN VDD3 Host Interface VDD3 VDDMAX-IN VDD3 HD-IN VDDMAX-IN Video Interface HD-OUT VDDMAX-IN VDDMAX-OUT PGIO0 VDDMAX-IN VDD3 HRDY...
  • Page 10 XL-SV205GD U2: C16256 (4MB DRAM) Block diagram Pin configuration Pin description Pin No. Pin Name Type Description 16~19,22~26 A0-A8 Input Address input Input Row address strobe CASH Input Column address strobe/Upper byte control CASL Input Column address strobe/lower byte control...
  • Page 11 XL-SV205GD U3: 27C010 (1MB EEPROM) Block diagram Pin configuration Pin description Pin Name Pin No. Description Voltage input for program erase operations A16,A15,A12 2,3,4 Address input pins A7-A0 5-12 Address input pins D0-D2 13-15 Input/Output pins Ground D3-D7 17-21 Input/Output pins...
  • Page 12 XL-SV205GD Pin description U7: CXD3068Q (CD DSP) Block diagram 1-12...
  • Page 13 XL-SV205GD Pin configuration Pin description Pin No. Pin Name Description Digital power supply XRST System reset. Reset when low. MUTE Mute input (Low: off, high : on) DATA Serial data input from CPU XLAT Latch input from CPU. Serial data is latched at the falling edge.
  • Page 14 XL-SV205GD Pin No. Pin Name Description FRDR Focus drive output. DVss1 Digital GND. TEST Test normally, GND TES1 Test normally, GND Center voltage input Focus error signal input Sled error signal input Tracking error signal input Center servo analog input...
  • Page 15 XL-SV205GD U8: CXA2550N (RF AMPLIFIER) Block diagram Pin configuration Pin description Pin No. Pin Name Description AGCVTH Reference level variable pin for RF level control. The reference level can be varied by the external resistor. APC amplifier output pin. APC amplifier input pin.
  • Page 16 XL-SV205GD U9: BA5983FM (BTL DRIVER) Block diagram Pin description Pin No. Pin Name Description BIAS IN Input for Bias-amplifier OPIN1(+) Non inverting input for CH1 OP-AMP OPIN1(-) Inverting input for CH1 OP-AMP OPOUT1 Output for CH1 OP-AMP OPIN2(+) Non inverting input for CH2 OP-AMP...
  • Page 17 XL-SV205GD JVC Asia Pte Ltd 101 Thomson Road, #28-04 United Squares, Singapore 307591 Printed in Japan No (28206) 200102(L)

  • Page 18: Parts List

    [XL-SV205GD] IMPORTANT PLEASE TAKE NOTE BEFORE ORDERING 1. Order all service parts through JVC ASIA PTE LTD.-Customer Satisfaction Dept. 2. Two order are availiable: Initial order and last order (Before End of Line). 3. Minimum order quantity: 100pcs 4. Delivery term: Minimum 2 months upon confirmation of order.
  • Page 19 XL-SV205GD Exploded view diagram Main unit exploded view diagram...
  • Page 20 XL-SV205GD Mechanical parts list Ref. Parts Number Description QTY. 620-300606-70 S-TAP.SCREW P-B 3X6 A BZN +H 620-300610-70 S-TAP.SCREW P-B 3X10 A BZN +H E4101-023001 SWITCH POW KDC-A09 322-SV2001-01Y CUSHION FOOT FRONT 207-323911-01R CABINET FOOT FRONT SV20 E3701-00L010C PCB AC SW 612-300212-10 S-TAP.SCREW WHR 3X12 A NIP +H...
  • Page 21 XL-SV205GD Electrical parts list Electrical parts list (Remote board) Ref. Parts Number Description QTY. 090-385610-03 PCB HANSET 119X46 HB C002 E1321-001053 CAPACITOR CE V TC SL221J 50DC T05 7 C003 E1321-001053 CAPACITOR CE V TC SL221J 50DC T05 7 R001...
  • Page 22 XL-SV205GD Electrical parts list (Power board) Ref. Parts Number Description QTY. D101 E2501-055001 DIODE SILICON H 1N4004 1A400V T52 D0-41 D102 E2501-055001 DIODE SILICON H 1N4004 1A400V T52 D0-41 D103 E2501-055001 DIODE SILICON H 1N4004 1A400V T52 D0-41 D104 E2501-055001...
  • Page 23 XL-SV205GD Electrical parts list (MIC board) Ref. Parts Number Description QTY. C217 E1321-002002 CAPACITOR CE V HIK F 103Z 50DC T05 8 C226 E1321-002002 CAPACITOR CE V HIK F 103Z 50DC T05 8 C214 E1321-002023 CAPACITOR CE V HIK B 331K 50DC T05 5...
  • Page 24 XL-SV205GD Electrical parts list (Key board) Ref. Parts Number Description QTY. 372-SV2001-01Y SPACER FLD 10X10X4 C305 E1301-004006 CAPACITOR EC V SA T05 101M 10DC 5 C306 E1301-004015 CAPACITOR EC V SA T05 220M 16DC 5 C301 E1321-001016 CAPACITOR CE V TC SL221K 50DC T05 7...
  • Page 25 XL-SV205GD Packing Ref. Parts No. Description QTY. 790-010115-02 Remote 47 Keys XLSV20 310-051004-03V Polybag 300-SV2001-01C Polyfoam L XL-SV205GD Main Part 310-222406-04V Polybag 580-SV2001-025 INST. Booklet E/C/A 310-101504-02T Polybag 510-SV2001-01A Gift Box 300-SV2002-01C Polyfoam R 310-051004-03V Polybag E3402-008001 AV Line 579-SV2001-03...
  • Page 26 ASIA PTE LTD TO: Customer Satisfaction Dept. FAX: (65) 2543284 PARTS-ORDERING FORM PAGE ______OF_____ Buyer’s Name Date Of Order Buyer’s Signature /Chop Destination Ship Via AIR MAIL DHL-MAIL SEA MAIL SEA&AIR Account Code Destination Code Purchase Order No. Item No. Model No.
  • Page 27 1 — MIC — 2 IMPORTANT PLEASE TAKE NOTE BEFORE ORDERING 1. Order all service parts through JVC ASIA PTE LTD.-Customer Satisfaction Dept. 2. Two order are availiable: Initial order and last order (Before End of Line). 3. Minimum order quantity: 100pcs 4.
  • Page 28 XL-SV205GD Wiring diagram...
  • Page 29 XL-SV205GD Block diagram...
  • Page 30 XL-SV205GD Schematic Diagrams MIC AMP, Power, Key & FLD Circuit...
  • Page 31 XL-SV205GD MPEG Circuit § R106 S-VIDEO +5VM Y-OUT 1N4001 1N4001 R108 R110 R111 C-OUT R107 R109 R117 R118 C109 R112 C110 +5VM 3V3 DAC 16M9 C114 16M9 C115 C113 RST-3068 MIC-DET R114 RST-3068 MIC-DET 1N4148 SQCK SQCK LDON VIDEO LDON VIDEO 1.235V...
  • Page 32 XL-SV205GD Servo Circuit § RST-3068 D4148 10u/16v SCOR 8050 SCOR 150K SFDR SENS +5VS SENS CLOK CLOK XLAT XLAT 2DATA 220U 2DATA 220U 47U/16V BA6392AFP DFCT EXCK SBSO PWMI SCSY SQCK LOCK SQCK SQCK SQSO SQSO SQSO SSTP XOLT FSTO...
  • Page 33 XL-SV205GD Output Circuit § U10D +5VM 74U04 U10E MDET MIC-DET VFD-STB1 -12V RST680 RST-680 74U04 1N4148 8PIN 10U/50V +12V A-L1 U10F 8050 A-R1 1N4001 +5VS VIDEO VFD-STB +5VM Y-OUT 74U04 C-OUT 10PIN +5VM 100U/16V 100U/16V 100U/16 47U/16V 47U/16V MIC-MUTE +5VM...
  • Page 34 XL-SV205GD Printed Circuit Boards § Power supply, AC selector & AC switch board (Top view)
  • Page 35 XL-SV205GD MPEG, Servo & Output Board § Fig 1...
  • Page 36 XL-SV205GD MPEG, Servo & Output Board § Fig 2 Fig 3...
  • Page 37 XL-SV205GD JVC Asia Pte Ltd 101 Thomson Road, #28-04 United Squares, Singapore 307591 Printed in Japan No (28206) 200102(L)