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Service Manual
SCHEMATIC DIAGRAMS
COMPACT COMPONENT SYSTEM
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)
Contents
Standard schematic diagrams
Printed circuit boards
EX-AK2DB
CD-ROM No.SML200803
COPYRIGHT
2008 Victor Company of Japan, Limited.
2-1
2-2
2-12 to 16
No.MB658SCH<Rev.001>
2008/3
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Summary of Contents for JVC EX-AK2DB
- Page 1 SCHEMATIC DIAGRAMS COMPACT COMPONENT SYSTEM EX-AK2DB CD-ROM No.SML200803 Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade) Contents Block diagrams...
- Page 2 In regard with component parts appearing on the silk-screen printed side (parts side) of the PWB diagrams, the parts that are printed over with black such as the resistor ( ), diode ( ) and ICP ( ) or identified by the " " mark nearby are critical for safety.
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Page 3: Block Diagram
Block diagram DVD servo and system control section System control & K2 section DAC1OUT to DAC5OUT A, B, C, D, E, F, RF+, LPC1, LPC2 AOUTL+/- LRCK, BICK LRCK, BCK MA0 to 11, MDQ0 to 15 LPCO1, LPCO2 IC511 IC555 SDTI, MCLK IC554 IC553... - Page 4 Standard schematic diagrams Main section 1 C4102 CN208 C4201 R4203 220P R4107 QGA2536F1-04 4.0V 4.3K R4304 Q4101 C4103 2.4V 220/10 R4105 R4106 R4103 C4101 150P 2SC5938A/B/-X 220/10 10.4V C4204 3.6V Q4305 4.7/50 Q4202 R4101 0.3V R4201 2SC5938A/B/-X R4212 2SC5938A/B/-X HPIN 11.0V 0.7V 0.7V...
- Page 5 Main section 2 R2425 2.2K Q2409 RT1P431C-X Q2423 RT1P140C-X 20.6V 29.0V 20.6V IC241 RSS090N03-X R2411 20.6V 20.6V 20.6V 0.47 Q2421 KTA1267/YG/-T 20.6V 1/4W R2424 D2408 29.0V C2405 44.6V 29.2V MA111-X 20.5V D2421 29.0V UDZW24B-X 4.2V 20.5V R2405 3.2V R2422 3.2V C2424 20.5V 0.01/50...
- Page 6 Front section CN708 DI801 R8201 R8202 STBLED K2LED 3.3K 2.2K QGF1036C2-25 QLF0125-002 VOLUME FL TUBE CPURST JS801 IC801 3.2V WC701 CPURST QSW1042-001 GP1UE261XKVF 3.3V 3.2V SCLK 3.3V WC702 UCLK S2UDT S2UDT U2SDT 3.3V U2SDT R8002 2.2K SAFETY5 FDVD 3.2V C8001 DVDPWR 0.1/50 R8004...
- Page 7 SCART section LVB10775-A4 WC401 J6001 SCART QNZ0775-001 TERMINAL R6031 AUDIO-OUTR AUDIO-INR R6032 AUDIO-OUTL AUDIOGND COMPONENT VIDEO OUT FUNCTION 4.5-7V 9.5V- C6035 AUDIO-INL R6037 STOP 16:9 470/10 J6002 FUNCTION QNN0572-001 C6036 R6038 470/10 C6038 R6039 R6035 C6024 470/10 BLANKING 100P C6025 2.1V 100P COMPO/YC...
- Page 8 Front IN/OUT section LVB10776-B1 R5106 4.7K K2 CONVERTER to W9 R5102 R5105 C5102 4.3K 330P IC553 IC554 IC555 AK4112BVF-X JCV8009-W AK4385ET-X C5503 R5101 R5104 22/50 3.3V 2.0V 1.7V 4.3K C5103 330P DIRDTO 1.6V DVDD CM0/CDTO LRCK WCKO1 MCLK DZFL R5103 4.7K 1.7V DD_DATA...
- Page 9 Digital amp section LVB10776-B2 R1126 R1125 P.GN D P.GN D C1158 R1157 150k C1157 R1156 150k IC130 R2A15107SP-X C1161 20.4V 1/25 L1302 11.0V HBA2 DVDD2 20.4V DGND2 VDA2 R1121 R1128 C1124 A.GND CN301 R1124 C1156 3.3k 1.4V 3.3k R1155 150p PWM2A2 VSA2 10.3...
- Page 10 DAB module section EEPROM IC191 C191 BR93L76F-W-X 3.3V 0.4V 3.3V QAX0733-001 24.576MHz NAX0935-001X X371 QAX0732-001 DAB TUNER (Only Flash) TU91 WRITING REF OUT 2.2V ON_BOARD QAU0499-001 CN101 QGA1002C1-06X 3.3V PWMVCXO 3.3V DAB BASE BAND DISG3 3.2V MP2 DECODER MMOD 3.3V 3.3V RESET 3.9V...
- Page 11 Front end section 1 K354 NQR0022-002X 48MHz C370 D1.2V REG. C328 0.01 DVDPWR 3.9V D1.2V Cont P3.3V 1.2V C302 47/4 IC302 MM1701CH-X CN301 for ICE D301 DGND CPURST RESET EEPROM R306 1k SCLK C564 DGND R307 1k SDATA DGND 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 UCLK R353 (UCLK)
- Page 12 Front end section 2 SDRAM FLASH ROM IC505 IC509 SG32A90TFIR3 K4S641632K-UC75 EXADT15 0.4V 0.5V EXADR16 C560 3.3V EXADT14 0.7V 3.3V MDQ0 2.8V 2.7V MDQ15 */BYTE DQ15 EXADT13 0.5V C551 3.3V VDDQ VSSQ EXADT12 0.7V 0.8V EXDT15 MDQ1 2.8V 2.7V MDQ14 DQ14 EXADT11 0.7V...
- Page 13 Front end section 3 Loader section LOADING MOTOR QAR0197-001 P3.3V QSW1074-001 DGND DGND OPENDET CLOSEDET QGF1016F3-05 R859 R860 LVA10530-01A 5V REG Q801 IC801 R891 Vout CN801 IC891 Cont C819 CN811 R819 R811 1/2W K811 R812 K812 1/2W LVA10626-661B (3/3) NOTES VOLTAGES ARE DC-MEASURED WITH A DIGITAL VOLT METER WITHOUT INPUT SIGNAL.
- Page 14 Printed circuit boards Main board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade) (Front board) S8102 DI801 C8001 CN801 C8003 R8206...
- Page 15 Micom board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade) forward side CN21 MARK LVA10776-B3 C203 R204 R203 CN443 TP401 C102...
- Page 16 Micom board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade) reverse side R4431 C4439 KEY1 (Micom board) STBLED CN443 K4411 K4421...
- Page 17 Digital amp board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade) C1256 forward side LVA10776-B 2 R1255 C1255 R1227 C1254 R1254...
- Page 18 Front end board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade) forward side R104 LVB10626-002A R103 SIDE.A R129 R109 Q101 C291...
- Page 19 < M E M O >...
- Page 20 Victor Company of Japan, Limited Audio/Video Systems Category 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.MB658SCH<Rev.001>)