JVC TH-A5 free download

File name 21062.pdf

TH-A5 SERVICE MANUAL DVD DIGITAL CINEMA SYSTEM TH-A5 Area suffix A ------------------ Australia US -------------- Singapore UB ------------- Hong Kong UW -- Brazil,Mexico,Peru UY --------------- Argentina UJ ------------- U.S.Military UG ------------------ Turkey, South Africa,Egypt STANDBY/ON AUDIO VCR TV VCR CONTROL ON OFF TOP MENU MENU TV CHANNEL AUDIO/ FM MODE SUBTITLE TV VOLUME DISPLAY RETURN STEP TV/VIDEO TUNER PRESET DOWN REW VCR CHANNEL TUNING B.SEARCH F.SEARCH UP FF SP-XSA5 2 SP-XCA5 SP-XSA5 2 ENTER VOLUME DVD FM/AM AUX MUTING COMPACT DIGITAL VIDEO STANDBY AUDIO/FM MODE STANDBY/ON DSP VOLUME SOURCE DVD DIGITAL CINEMA SYSTEM TH-A5 RM-STHA5U DVD CINEMA SYSTEM D I G I T A L SURROUND D I G I T A L XV-THA5 SP-WA5 Contents Safety precautions Important for laser products Preventing static electricity Disassembly method 1-2 1-3 1-4 1-5 Wiring connection Adjustment method Description of major ICs 1-12 1-13 1-15~33 COPYRIGHT 2002 VICTOR COMPANY OF JAPAN, LTD. No.21062 Jan. 2002 TH-A5 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 authorized in writing by the manufacturer. Replacement parts must be identical to those used in the original circuits. Services should be performed by qualified personnel only. 2. Alterations of the design or circuitry of the product should not be made. Any design alterations of the product should not be made. Any design alterations or additions will void the manufacturer`s warranty and will further relieve the manufacture of responsibility for personal injury or property damage resulting therefrom. 3. Many electrical and mechanical parts in the products have special safety-related characteristics. These characteristics are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by using replacement components rated for higher voltage, wattage, etc. Replacement parts which have these special safety characteristics are identified in the Parts List of Service Manual. Electrical components having such features are identified by shading on the schematics and by ( ) on the Parts List in the Service Manual. The use of a substitute replacement which does not have the same safety characteristics as the recommended replacement parts shown in the Parts List of Service Manual may create shock, fire, or other hazards. 4. The leads in the products are routed and dressed with ties, clamps, tubings, barriers and the like to be separated from live parts, high temperature parts, moving parts and/or sharp edges for the prevention of electric shock and fire hazard. When service is required, the original lead routing and dress should be observed, and it should be confirmed that they have been returned to normal, after re-assembling. 5. Leakage currnet check (Electrical shock hazard testing) After re-assemblin

File name 21062par.pdf

TH-A5 PARTS LIST [ TH-A5 ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix US ---------------------- Singapore UB --------------------- Hong Kong UW ---------- Brazil,Mexico,Peru UY ----------------------- Argentina UJ --------------------- U.S.Military UG - Turkey,South Africa,Egypt A ------------------------- Australia - Contents Exploded view of general assembly and parts list (Block No.M1)XV-THA5 Exploded view of general assembly and parts list (Block No.M2)SP-WA5 DVD mechanism assembly and parts list (Block No.MJ) Electrical parts list (Block No.01~06) Packing materials and accessories parts list (Block No.M3,M5) 3- 3 3- 5 3- 6 3- 8 3-26 3-1 3-2 25 G TH-A5 26 B B B F B B a B DSP board Jack board 21 B 21 F 26 25 Main board F D D D D 29 28 27 32 24 a G L11 G G 20 22 G DVD Boad (DVDpower) G G 16 17 B 33 22 22 22 31 34 23 G L10 L12 L9 35 19 G 14 E G E B 11 E 10 L5 Front board a A E C E E E 15 18 16 17 B 7 6 C A 5 8 4 C 14 15 13 12 A B B 3 B Exploded view of general assembly and parts list Block No. (XV-THA5) 2 9 B M 1 M M 1 TH-A5 Parts list (General assembly) Block No. M1MM Parts name Q'ty 2 16 27 4 9 3 3 1 1 1 1 1 1 1 1 1 1 1 1 1 2 FRONT 2 FRONT 2 REAR 2 REAR 1 1 1 2 FOR F.SHIELD 4 1 2 VOLTAGE EXSEP 1 2 VOLTAGE EXSEP 1 1 VOLTAGE A ONL 1 1 1 1 DIODE 6 3 1 TP-1 1 1 1 1 250V,2.5A,1650M 1 250V,2.5A,1650M 1 1 AC,34.5 1 C161NK10B0110 1 UY UB A US,UJ UG,UW US,UB,UJ UY,UG,UW A Description Area A Item A B C D E F G 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Parts number 6002-000126 6003-000398 6003-000276 AH60-10107A AH60-10020D 6003-000278 AH60-00025A AH64-01539A AH64-01540C AH61-00834A AH64-01453B AH64-01452A AH67-00129A AH64-01454A AH64-01455A AH67-00128A AH64-01457A AH61-00836A AH64-01456A AH61-00835A AH61-00766A AH69-00503A AH61-00777A AH69-00503B AH64-01357A AH64-01358C AH63-00383A AH63-00388B AH61-00774A AH64-01359E AH64-01359E AH64-01359D SCREW SCREW SCREW SCREW SCREW SCREW SCREW DVD BADGE FRONT WINDOW FRONT CAP TRAY DOOR FRONT CABINET POWER LENS POWER BUTTON OPEN BUTTON FRONT LENS FUNCTION BUTTON LED HOLDER PLAY BUTTON VFD HOLDER FOOT HOLDER FOOT CUSHION FOOT HOLDER FOOT CUSHION BOTTOM CABINET T0P CABINET SHIELD-FRONT SHIELD-TOP PCB HOLDER REAR CABINET REAR CABINET REAR CABINET FAN COVER HEAT SINK D HEAT SINK B HEAT-SINK IC HOLDER HEAT SINK M POWER TRANS. POWER CORD POWER CORD POWER CORD POWER CORD POWER CORD TUNER-PACK ASSY FERRITE CORE MOTOR FAN LABEL-DTS 24 25 26 27 28 29 AH63-00303A AH62-00051C AH62-00051D AH62-00052A AH61-00779A AH62-00050A AH26-00147A AH39-00258C AH39-00258P AH39-00257K AH39-00257F AH39-00257F A A A A A A 31 32 33 34 35 L 5 AH40-00016A 3301-001525 AH31-00029A AH68-00967A 3-3 TH-A5 Parts list (General assembly) Block No. M1MM Parts name Q'ty 1 1 1 1 1 1 1 1 1 Description A US,UG,UB UJ,UY,UW A,UW,UY UJ US,UB UG US A Area A Item L 9 Parts number AH68-00989H AH68-00989F AH68-00989F LABEL-RATING

File name 21062sch.pdf

TH-A5 Block diagrams Main section AUX L R V F D DI CE CL 5 TUNER CL CE DI UIC1 MICROCONTROLLER KEY UIC10 VFD DRIVER CLK GND FIC6 LPF 4 FIC5 LPF AUX L TUN L 6ohm (35W) FIC12 FIC11 IC5 POWER AMP 6ohm (35W) AUX R TUN R DIC11 DPS 27 39-41 LPF (1/2) FIC4 LPF (2/2) LPF (1/2) RIC11 LPF (2/2) LPF (1/2) CIC11 LPF (2/2) RIC12 RIC13 IC6 POWER AMP 3 1-3 19,20 A/D IN 16,17 A/D IN 3 18 6ohm (35W) FL FR RL 23 24 25 26 RR DIC14 DIR DIC15 CODEC DIGI IN DVD 12 27 C W 28 6ohm (35W) 2 6ohm (35W) CIC12 CIC13 IC7 POWER AMP 3ohm (60W) U15 U8 U2 U7 PICK UP 1 DVD PACK (Next page section) F_C_R_S/W FIC2 LPF A B C D E F G 2-1 TH-A5 TH-A5 DVD mecha block section RF AGC &EQ CONTROL FOCUS OK DETECT DEFECT DETECT MIRROR GEN U7 RF AMP SP3721 TRACKING ERROR I/V AMP APC.LASER CONTROL& LPC RF&FOCUS ERROR I/V AMP DECK ASS' Y U3 MICOM U2 M5701 DVD ROM CONTROLLER U1 4M DRAM Parallel/serial DVD Interface ATAPI 40PIN 5 PICK UP & I/V AMP DISC MOTOR FOCUS SERVO LOOP TRACKING SERVO LOOP BCA RAM DVD-DSP ARBITER DATA SEPARATOR HARDWARE LOGIC ATAPI & MPEG I/F FEED MOTOR 4 DISC MOTOR DRIVER ACTUATOR MOTOR DRIVER C3 ECC EDP MICOM DATA INTERFACE LOGIC DECODER EFM COMPARATOR SPINDLE SERVO LPF DIGITAL SERVO CD-DSP TARGET SEARCH MCU I/F 3 U6 HOST MEMORY Track Buffer Processor SDRAM CONTROLLER U5 64M SDRAM Digital Video Audio Input Unit Decryption -------ZIVA A/V CORE Graphics Engine Interlaced/ Progressive Video Encoder Five 10-bit Video DACs Analog Video Output BUFFER SIGNAL KSA812 VIC4 SWITCHING BUFFER VIDEO OUT 2 System Control Bus U15 IC LOGIC SPARC Microprocessor System Control Bus Phase Lock Loop Audio Output Audio Output AMP PARTS JTAG Interface 1 ASYNC BUS/IR/GPIO/SPI/UART1&2/ATAPI/IDC Parallel/serial DVD Interface ATAPI 40PIN 13.5 MHZ Crystal U8 MPEG DECODER ZIVA5 E F G H A B C 2-2 D TH-A5 Standard schematic diagrams FL display & System control section / Power supply section 5 4 Sheet 4/6 Sheet 5/6 Sheet 2/6 TP1 Sheet 4/6 3 2 SHEET NUMBER CIRCUIT DESCRIPTION FL display & System control / Power supply Main Video signal output DSP DVD loader DVD MPEG 1/6 2/6 3/6 4/6 5/6 6/6 1 Parts are safety assurance parts. When replacing those parts, make sure to use the specified parts. SHEET 1/6 A B C D E F G 2-3 TH-A5 Main section To Tuner Pack TH-A5 5 To DW14 Sheet 4/6 4 3 2 To DW10 Sheet 4/6 To PW5 Sheet 1/6 To DW13 Sheet 4/6 1 Tuner signal Front signal Center signal Rear signal SHEET 2/6 A B C 2-4 D E F G H TH-A5 Video signal output section VW2 5 CON10_1m/m_S_TYPE 1 2 3 4 5 6 7 8 9 10 VIDEO_COMPO S_VIDEO_C S_VIDEO_Y VIDEO_Y VIDEO_Pb VIDEO_Pr 1 SUPER_VIDEO 104 VJ5 VC2 VR25 75 to J21 Sheet 6/6 + 4 330/16V VR3 VC18 330/16 68 4 + VJ2 2 VC19 VR10 + Pb 2 68 330/16 VC20 VR14 + Pr 2 3 VFB1 FBSMT VC9 47u/16 + VC10 VR32 0.1u VR18 470 VC14 4.7/25V 330K 330/16 68 VIC4 VC15 Vout Vcc IN3 GND 8 7 6 5 VR19 1 VJ4 VIDEO_OUT to DW23 Sheet 4/6 1 2 3 4 5 6 7