Aiwa XD-DV485 Service Manual

Text of Aiwa XD-DV485 User Guide:

• Aiwa XD-DV485, Pin No. Pin Name I/O Description -66- 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 SI_ENC1 SI_ENC2 TZC MIRR MSDATAO FOK VDD DEFECT VSS SLD_FG C_SIG COMP INT1 INT2 VSS INT3 INT4 VDD ADCSB ADCOMP_ VDCDATA0 VDCDATA1 VDCDATA2 VDCDATA3 VDCDATA4 VDCDATA5 VDCDATA6 VDCDATA7 ADADDR0 DVDD ADADDR1 DGND AGND VRT AVDD RF VRM VRB MDS MDP OVER64 I I I I O O – O – O O O O O – O O – O I I I I I I I I I O – O –

• Aiwa XD-DV485, -34- SCHEMATIC DIAGRAM - 4/8 (MAIN -4/4, MAIN µ-COM SECTION) MAIN-4/4 (MAIN µ-COM SECTION) C.B TO INTERFACE-2/4 C.B (FRONT CONTROL SECTION) P9501 HS602002 FLASH ROM AT49F8192A-90TC BYTE GND GND VCC OE WE DRAM M11B416256A-35J VCC VCC OE VSS VSS MAIN µ-COM HD6417034AF112 KS24C021CS EEPROM 5901-17 5901-19 5901-5 5901-11 5901-13 5901-15 00 506-27 505-15 D03-1 D03-3 2M1-11 501-100 D03-13 501-101 2M1-2 2A1-36 506-13 506-14 506-32 501-105 501-87 506-8 501-59 501-57 501-26 501-27 501-28 201-134 501-2 201-70 501-63 505-5 501-62 201-64 501-23 501-24 501-25 501-4 501-5 501-6 501-7 501-8 501-9 501-10 501-11 301-174 301-8 506-3 301-4 506-7 501-53 501-64 506-1 501-2 Q303-4 305-2 506-37 501-69 506-31

• -7- DISASSEMBLY -2/2 Main Circuit Board (C) (C) (C) (C) (C) (C) (C) (C) (C) (C) (C) (C) Power Code DVD Mechansm Interface Circuit Board (D) (D) P3401 PMD02 P5901 PMD03 Key Circuit Board Power Led Circuit Board (E) (E) (E) (E) Fig. 2-5 Fig. 2-6 1. Disassembling of Main Circuit Board and Interface Board 1. Remove the top case.(See Fig. 2-1) 2. Remove 12 screw (C). 3

• -2- TABLE OF CONTENTS SPECIFICATIONS ........................................................................................................................................................................... 3 PROTECTION OF EYES FROM LASER BEAM DURING SERVING ............................................................................................ 4 ACCESSORIES LIST ...........................

• Aiwa XD-DV485, -3- SPECIFICATIONS Manufactured under license from Dolby Laboratories. “Dolby”, “Pro Logic” and the double- D symbol are trademarks of Dolby Laboratories. Confidential unpublished works. ©1992-1997 Dolby Laboratories. All rights reserved. Manufactured under license from Digital Theater Systems, Ino. US Pat. No. 5,451,942 and other worldwide patents issued and pending. “DTS” and “DTS Digital Surround” are trademarks of Digital Theater Systems, Inc. © 1996 Digital Theater systems, Ino. All rights reserved. Power supply

• -93- Is the eye-pattern vivid? Does the sawtooth waveform emit at IC2A1 Pin 41? Does the 1.6V emit? Check RF Eye-Pattern. RF : 1.5-1.6V(IC2A1 Pin 57) Fig.5. RF waveform Check IC2A1 Pins 5, 6, 7, 8. No signal: Pick-up is defective Replace IC201. Check IC201 Pin84. No signal at IC201 : IC201 is defective • Check IC201 Pin 162. • Check the clock at the IC201 Pins 28, 30.

• Aiwa XD-DV485, Pin No. Pin Name I/O Description -63- Bi-directional data to DRAM Bi-directional data to DRAM Bi-directional data to DRAM Bi-directional data to DRAM Bi-directional data to DRAM Bi-directional data to DRAM Bi-directional data to DRAM Bi-directional data to DRAM Bi-directional data to DRAM Bi-directional data to DRAM Bi-directional data to DRAM Bi-directional data to DRAM Bi-directional data to DRAM Bi-directional data to DRAM Bi-directional data to DRAM Bi-directional data to DRAM Digital ground Address output to DRAM Address output to DRAM Address output to DRAM Address output to DRAM Digital power supply A

• Aiwa XD-DV485, -33- SCHEMATIC DIAGRAM - 3/8 (MAIN -3/4, MPEG SECTION) 1 7 2 4 3 5 6 WAVEFORM MAIN-3/4 (MPEG SECTION) C.B MPEG A/V DECODER IC301 ZIVA_4.1 <485> ZIVA_4.1B <480> SDRAM SDRAM SDRAM VCC VCC GND GND VSSQ VSSQ VCCQ VCCQ VCC VCC GND GND VSSQ VSSQ VCCQ VCCQ UMZ1M 270 901-11 Q303-4 305-2 505-2 506-2 506-19 506-1 501-53 506-3 3401-8 3401-10 3401-9 3401-7 3401-6 301-5 301-8 301-4 501-11 501-10 501-9 501-8 501-7 501-6 501-5 501-4 501-64 506-7 501-25 501-24 501-23 301-174 501-102 501-103 301-197 301-199 301-200 301-201 301-

• Aiwa XD-DV485, ! = ! SAFTY PARTS C = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers. Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-N

• Aiwa XD-DV485, -40- SCHEMATIC DIAGRAM - 8/8 (INTERFACE -4/4, POWER SECTION) NOTES) Warning NOTES) Parts that are shaded are critical NOTES) With respect to risk of fire or NOTES) electricial shock. NOTES : Symbol denotes AC ground. Symbol denotes DC chassis ground. INTERFACE-4/4 (POWER SECTION)C.B AC POWER CORD 110-240V 50/60Hz 1OSP07U (SUF4007) IC102 LTV-817B<LH> PC123YN2<HT> PHOT COUPLER 1 2 3.9K -02 UZ-3.3BSB IN OUT IN OUT IN OUT 3.3V REG 8V REG F104 F20 100 101 102 103 104 105 106 107 108 109 110 111 40 112 TO

• Aiwa XD-DV485, -96- DVD MECHANISM DISASSEMBLY -2/3 (C1) PICK UP ASSEMBLY GENERAL GEAR ASSEMBLY FEED GEAR MIDDLE GAER ASSEMBLY RACK MOTOR ASSEMBLY SPINDLE (L2) (S2) (S2) (S2) (S3) GEAR ASSEMBLY RACK GEAR MIDDLE GEAR ASSEMBLY FEED BASE PU(OUTSERT) PICK UP ASSEMBLY GENERAL MOTOR ASSEMBLY SPINDLE RUBBER REAR (S2) 3.Base Assembly Sled (Fig. 4-3) 1) Release 4 Screw(S2). 2) Disconnect the FFC Connector(C1) 3-1. Gear Assembly Feed 1) Unhook the Locking Tab(L2) in direction of arrow. 3-2. Gear Middle 3-3. Gear Assembly Rack 1) Release the Scerw(S3) 4. Rubber Rear (Fig. 4-3) Fig. 4-3

• Aiwa XD-DV485, Pin No. Pin Name I/O Description -75- IC DESCRIPTION - 9/9 (ZIVA4.1) - 3/5 117 118 ~ 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 DAI-DATA DA-DATA3~ DA-DATAO DA-LRCK VDD_3.3 VSS DA-XCK DA-BCK DA-IEC VDD_2.5 VSS NC VSS_DAC VSS_VIDEO CVBS +sync VDD_DAC VDD_VIDEO NC VSS_DAC VSS_VIDEO CVBS/G/Y VDD_DAC VDD VIDEO NC VSS_DAC VSS_VIDEO Y/B/U VDD DAC VDD_VIDEO NC VSS_DAC VSS_VIDEO C/R/V VDD DAC VDD_VIDEO VSS_RREF RREF VDD_RREF A_VSS SYSCLK I O O – – I/O O O – – – – – O – – – – �

• Aiwa XD-DV485, Pin No. Pin Name I/O Description -72- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 ~ 58 59 60 61 ~ 80 VCC1 VSS1 X1 X2 IC ______ RESET _____ SCK1 SI1 SO1 BUSY P23 P22 SO3 _____ SCK3 INTP0 INTP1 TI AVSS ANT0 ANT1 ANT2 ANT3 VSS0 AVDD VCC0 FIP52 ~ FIP20 VCC2 VLOAD FIP19 ~ FIP0 – – – – – I I/O I O I – – – – I I I – I I I I – – – O – – O Positive power supply except for ports, analog, and FIP controller/driver Ground potential except for ports and analog Cry

• Aiwa XD-DV485, SERVICE MANUAL DATA DVD PLAYER XD-DV485 XD-DV480 XD-DV480 S/M Code No. 09-01C-358-1N4 HT (NH) HT (NH) LH (NH) BASIC DVD/CD MECHANISM: DP-4RM XD-DV485 XD-DV480 www.freeservicemanuals.info 1/3/16 Published in Heiloo, Holland.

• Aiwa XD-DV485, -26- BLOCK DIAGRAM -4/7 (AUDIO SECTION) IC402 LPF &Buffer NJM4580D OP AMP IC401 PCM1716E Audio DAC To MAIN -COM SECTION DAC_RST S_DATA S_CLK DAC_L0 DA_LRCK DA_BCK DA_XCK DA_DATA0 To MPEG SECTION L R L R To JACK SECTION 22 2 6 16 1 7 13 26 27 28 1 3 5 2 www.freeservicemanuals.info 1/3/16 Published in Heiloo, Holland.

• Aiwa XD-DV485, -55- PB13/TP13/IRQ5/SCK1 PB12/TP12/IRQ4/SCK0 PB11/TP11/TxD1 PB10/TP10/RxD1 PB9/TP9/TxD0 PB8/TP8/RxD0 V SS PB7/TP7/TOCXB4/TCLKD PB6/TP6/TOCXA4/TCLKC PB5/TP5/TIOCB4 PB4/TP4/TIOCA4 PB3/TP3/TIOCB3 PB2/TP2/TIOCA3 V CC PB1/TP1/TIOCB2 PB0/TP0/TIOCA2 V SS PC7/AN7 PC6/AN6 PC5/AN5 PC4/AN4 AV SS PC3/AN3 PC2/AN2 PC1/AN1 PC0/AN0 AV ref AV CC 56 55 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 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 A6 A7 V SS A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 CS0 CS1/CASH CS2 CS3/CAS

• ! = ! SAFTY PARTS C = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers. Components marked X and R are not de

• Aiwa XD-DV485, WIRING - 4/4 (KEY, POWER LED C.B) -42- BLU GRY GRY KEY C.B SW904 STOP SW903 To POWER, A/V, FRONT C.B  P9904 PLAY SW912 SW906 SW905 SW907 MENU SW908 PAUSE SW910 ENTER SW913SW911 SW914 SW902 OPEN/CLOSE BLU GRY GRY GRY POWER LED C.B To INTERFACE C.B P9902 SW901,LED901 POWER STANDBY/ON ( ) 123456789101112131415 A B C D E F G H I J K L M N O P Q R S T U www.freeservicemanuals.info 1/3/16 Published in Heiloo, Holland.

• Aiwa XD-DV485, -31- SCHEMATIC DIAGRAM - 1/8 (MAIN -1/4, DRIVE & RF SECTION) 4 1 1 6 2 3 TRACKING LOOP FOCUS LOOP SLED LOOP SPINDLE LOOP WAVEFORM MAIN-1/4 (DRIVE & RF SECTION) C.B To DVD MECHA. PICK UP HB-1M2012-102JT HB-1M2012-102JT 22K -TE1 MOTOR DRIVE SSI33P3721 RF SIGNAL PROCESSOR 901-19 901-17 901-3 901-5 901-13 D03-13 D03-3 D03-1 501-100 2M1-11 505-15 201-89 201-83 201-84 201-166 201-88 201-168 201-22 Q2M1-B 2M1-41 2M1-24 2M1-25 2M1-18 2M1-23 2M1-10 2M1-2 2M1-2 2A2-8 2A1-25 2A2-2 501-101 2A1-36 2A2-7 2A1-29 2A1-36 2A1-39 2A1-41 2A1-42 501-103 501-102 506-27 2A1-46 2A1-47 2A1-48 2A1-57 TO MAIN-2/4 (DVD.DSP SECTION) TO MAIN-2/4 (DVD.DSP SECTION) TO MAIN-2/4 (DVD.DSP SECTION) TO MAIN-4/4 (MAI

• Aiwa XD-DV485, ! = ! SAFTY PARTS C = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers. Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME

• -28- BLOCK DIAGRAM -6/7 (MPEG SECTION) IC301 ZiVA4.1 MPEG A/V Decoder DVD_DATA[0:7] DA_BCK,DA_XCK,DA_LRCK SPDIF 8 3 SDCLK1,ZISENB REQZ1 2 A[00:02] D[00:07] MPEG_ERROR MPEG_RST 3 8 CVBS Q303 CVBS/G Y/B C/R CVBS OPTICAL COAXIAK Y C Y(G) PB(B) PR(R) VIEDO SW SW602 V.SWITCH IC305 TC7W04FU To DVD DSP SECTION To MAIN -COM SECTION 171, 173 172 174 5 127 1 3 6 133 139

• Aiwa XD-DV485, -29- BLOCK DIAGRAM -7/7 (µ-COM SECTION) To JACK SECTION To MPEG SECTION To FRONT CONTROL SECTION To DRIVE & RF SECTION To DVD DSP SECTION IC506 HS602002 CPLD IC502 AT49F8192A-90TC FLASH ROM IC503 M11B416256A-35J DRAM IC505 MC74VHC374DTR2 EXPANDER IC501 HD6417034AF112 MAIN -COM IC504 EEPROM KS24C021CS 16:9,SYSTEM_SW LD_ON,LOAD CTL,ACT_MUTE PI,SPINDLE_FG D[00:07],A[00:02],S_CLK,S_DATA, ,MPEG_INT,V_MUTE,DAC_RST MPEG_ERROR ,DAC_L0 ,RF_LAT ,/DSP_CS ,/MPEG_CS ,/PP_CS, 16:9, ,MPEG_RST ,SENS,LIMIT_SW ,MIC_ON,CLOSE_SW ,OPEN_SW,MPEG_WAIT ,/WR,/IOCS1, ,M_RESET M_RESET ,RXD0 ,TXD0 ,SCK0 ,MODE_SW ,M_REQ, IIC_CLK ,IIC_DATA SENS_MCOM , MICOM_WAIT /IOCS1,/WR D[00:04] A[19:21

• Aiwa XD-DV485, -90- Does signal pulse input to IC201 Pins 58, 59 when the powe is on? Does signal goes "High" to IC201 Pin194 when the power is on? Does TTL pulse output to IC201 Pins 140, 142? Does 33.8688MHz clock input to IC201 Pin 63? Is IC201 Pins 83, 84, 88, 89 voltage about 2.2V? Replace IC201 (IC206 soldering or IC defect). Check power circuit. Check "2.µ-COM Part". Replace X301 or IC304 (30MHz clock defect) CHECK POINT(General) 5. RF/Servo Circuit A. END NO NO NO NO NO YES YES YESYES YES ELECTRIC

• Aiwa XD-DV485, ! = ! SAFTY PARTS C = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers. Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME

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