Fisher-HTD5201-dvd-sm维修电路原理图.pdf

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1、FILE NO. Service Manual R CONTENTS DVD Home Theater System HTD-5201 PRODUCT CODE No. 129 590 00 (1000) 129 590 01 (XE) 129 590 02 (UK) 129 590 03 (SS) 129 590 04 (KR) 129 590 05 (US) 129 590 06 (CA) 129 590 07 (AU) REFERENCE No. SM5810205 Specifications . 1 Laser beam safety precaution. 2 DVD mechan

2、ism replacement . 2 Removal the rust penetrate into the precision part of a pickup, causing malfunction, or degrading the optical quality of the internal lens and reflector, which also leads to malfunction. LASER BEAM SAFETY PRECAUTION SUB WOOFER VIDEO IN AUDIO IN VIDEO OUT SELECT RGB S-VIDEO S-VIDE

3、O OUT (DVD ONLY) MONITOR VIDEO OUT AUDIO OUT R L R VIDEOAUX/TV L R L R L OPTICAL DIGITAL OUT TV SYSTEM AV EURO CONNECTOR (RGB OUT) PAL NTSC SPEAKERS(6MIN.) CAUTION INVISIBLE LASER RADIATION WHEN OPEN AND INTERLOCKS DEFEATED. AVOID EXPOSURE TO BEAM. ADVARSEL USYNLIG LASER STRLING VED BNING, NR SIKKER

4、HEDSAFBRYDERE ER UDE AF FUNKTION, UNDG UDS TTELSE FOR STRLING. VARNING OSYNLIG LASER STRLNING NR DENNA DEL R PPNAD OCH SPRR R URKOPPLAD. STRLEN R FARLIG. VORSICHT UNSICHTBARE LASERSTRAHLUNG TRITT AUS, WENN DECKEL GEFFNET UND WENN SICHERHEITSVERRIEGELUNG BERBRCKT IST. NICHT, DEM STRAHL AUSSETZEN. VAR

5、O AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALTTIINA NKYMTTMLLE LASERSTEILYLLE. L KATSO STEESEEN. XE,UK,SS,AU XE,SS SUB WOOFER VIDEO IN AUDIO IN VIDEO OUT SELECT COMPONENT S-VIDEO S-VIDEO OUT (DVD ONLY) R L R VIDEOAUX/TV L R L OPTICAL DIGITAL OUT TV SYSTEM PAL NTSC SPEAKERS(6MIN.) 115V 230V VOLTA

6、GE SELECTOR COMPONENT VIDEO OUT (DVD ONLY) MONITOR VIDEO OUT AUDIO OUT R L Y CB CR XE,UKSS,AU RadioFans.CN 收音机爱 好者资料库 - 3 - REMOVAL 7 DCLK,DBGN,DERR DREQ DACK 16MHZ INVERTER PH 6P FFC 26P FFC 16P FLASH MEMORY RXD,SCLK HD_INT,TXD,RDY_HIF RESET RESETHRST 16MHZ DRAM JV BH DEFECTI RF AMP RFOP,RFON,PH,TE

7、,ADBH ADBH TOST,FOST,BST,VCA TBAL,FBAL,SGC DEF DEFECTO XHTR FE DEF_INH FE ANALOG SWITCH LSI_RESET HDAT0;7 HADR0;12 HRDB,HERB,HCSB HWAITB(RDY),HBUSYB HIRQB(INT_DEC),WRQ MICRO COMPUTER HALL SPINDLE MOTOR U,V,W U+,U- V+,V- W+,W-SPD FG FR DMUTE 9V 9V IC602 BA6849 IC601 BA5937 3-PHASE MOTOR DRIVER 4-CH B

8、TL DRIVER FDD TDD SLD OPEN/ CLOSE DMUTE2 CD x2 CD x4 CAO CAN LDON1,LDON2 RFSCT,EQSCT PP/TE,DPD/TE VREF MD MD LD LD LOADING MOTOR M M OPEN/CLOSE SWITCH LIMIT SWITCH SLED MOTOR ACTUATOR FOCUS TRACKING F- F+ T- T+ 5Vd VR-CD VR-DVD GND-LD LASER DIODE MD LD-CD LD D VD HFM F E D C B A DVD/CDPD PICK-UP;SF-

9、HD6 TO BACK-END BLOCK High- frequency circuit DVD P.W.BOARD OPERATION 1. General operation diagram ( This is a basic general operation diagram) The circuit mounted on the Loader part (Frontend Board) is configured as shown, which is divided into following bl;ocks according to main ICs. RadioFans.CN

10、收音机爱 好者资料库 - 7 - DVD P.W.BOARD OPERATION 2. Circuit configuration inside IC100 (LA9702W) and IC200 (LC78661W). (This is a basic circuit configuration diagram) 1 2 3 4 5 6 7 8 9 10 11 14 13 16 15 79 72 70 76616863595327 18 19 20 21 22 23 24 35 34 33 32 31 30 29 1 2 10 14 7 6 13 9 8 5 28 29 32 45 41 4

11、0 46 44 4212 18 16 206 44 26 154 134 136 28 39 27 38 37 36 20120525 11 30 5157 XHTRC DEFECT0RFP1 TH TESBIAS HFLBIAS HFLBIAS TESBIAS TES HFL PCK PCK JV JITTER DETECTION CIRCUIT SLCBIAS LDO1 LDS1 LDO2 LDS2 SLC SLCBIAS EFMINP EFMINN DEFECTI HFLIO RF-PH RF-BH AD5/BH AD2 AD1 TE AD4/TE AD3 FE AD0 TESIO EF

12、MOUT EFM,EFM+ EFM+ EFM DEFECT FE,TE,PH,BH,RPEC, JV,BCA,WO DEGITAL. CLK COUNTER FDO TDO SPDO SLDO CPOF VREF SLCBIAS SGC OFSET BCA BOOT3T RFVCA TBAL FBAL D/A 8bit 11ch +3ch D/A 8bit 10ch TES WO-CNT HFL TRACK COUNTER DEGITAL. OFSET,BCA,BOOT3T, RFVCA,TBAL,FBAL, SGC,HFLBIAS,TESBIAS, FDO,TDO,SPDO,SLDO, SL

13、CBTAS. RFPI RFOP RFON DEF PH BH BCA TE WO FE RREC TOST FOST BST VGA TEBL FEBL SGC SERVO VREFS VREFS THCPOFXHTRCDPD/TEXQBHPP/TEEQSCTRFSCT VREFP LDON1 LDON2 PICK APC1 RR 1 B FE 1 FE 2 RR 2 APC2 VREFP1 MTX A D C C A DVD PU DVD PU B F E DPD 2C+A+B 3-BEAM PUSH-PULL REN REP LPF BCA TH DEFECT PEAK HOLD BOT

14、OM HOLD TE HOLD LPF2LPF1 BPF DPD: PHASE A,B,C,D 3-BEAM: FE PUSH-PULL: (B+C)-(A+D) FE1: (B+D)-(A+C) FE2: A-B RR1: A+B+C+D RR2: A+C+B TE FE RREC RFSCT CD-3T BOOST DPD / TE VGA BST DPD / TE EQ2 EQ1 EQSCT CPOF OR TH DPD / TE VREF XHTRC XHTRC PP / TE TOST FOST TE FESGC SGC SGC RFSCT RFSCT TH BCATH CD PU

15、MI-COM PORT MI-COM PORTDSP CONTROL to DRIVE IC LA9702W(AMP)LC78661W(DSP) IC100 IC200 NameTP label IC, CN LocationPin no.DescriptionNameTP label IC, CN LocationPin no.Description FETP101IC10025Focus Error Signal(Analog)TDTP601IC20038Tracking Driver out(analog) TETP102IC10030Tracking Error Signal(Anal

16、og)FDTP602IC20039Focus Driver out(analog) RFNTP104IC10040RF Signal(Analog)SPD-FGTP604IC60224Spindle FG signal RFPTP105IC10041RF Signal(Analog)W TP621- BHTP106IC10042Bottom Hold Signal(Analog)V TP620- PHTP107IC10044Peak Hold Signal(Analog) UTP611- DEFTP230IC10046High : When passing defectionH+TP619-

17、LD1TP122Q1004EDVD Laser Power Supply(Analog)U+TP618- LD2TP124Q1005ECD Laser Power Supply(analog)U-TP617- TESI0TP201IC2002TES(Track crossing signal)V+TP616- HFLBIASTP204IC20028MIRROR Slice Bias(Analog)V-TP615- HFLIOTP206IC20044MIRROR signalW+ TP614- FSEQTP211IC20084 High : Sync synchronised LO : Asyn

18、cW- TP613- EFMOUTTP226IC200134RF Digitized signalH-TP612- DEFECT0TP229IC200201High : When passing defectionSLDTP607IC20036Sled Driver out(analog) TOSTTP246IC20029Tracking Offset Control(analog)SPDTP608IC20037Spindle Driver out(analog) FOSTTP247IC20030Focus Offset Control(analog)OPEN-IC60116TRAY cont

19、rol signal BOOST3TTP248IC20031RF EQ Control(analog)CLOSE-IC60115TRAY control signal RFVCATP249IC20032RF Voltage Control(analog)OPEN-SWTP627CN6005TRAY Limit SW TBALTP250IC20033Tracking Balance Control(analog)CLOSE-SWTP626CN6003TRAY Limit SW FBALTP251IC20034Focus Balance Control(analog)HRSTTP700CN5002

20、RESET from Backend SGCTP252IC20035Signal Gain Control(anlog)RESET-IC5026RESET to Micom HFBUSYBTP254IC20050 Function Busy Low during jump, adjustment so on. VREF-IC10027, 79Reference Voltage(2.5V) JVAOTP257IC200154Jitters value(analog) Spindle Hall Voltage Spindle Coil Voltage RadioFans.CN 收音机爱 好者资料库

21、 - 41 - NG NG NG NGVFD INDICATE READING FROM MPU STANBY DATA SEND IC601 STANDBY DATA RCVD IC601 POWER ON DATA SEND START COMMUNICATION WITH VFD READ/WRITE DATA IN EEPROM RESET LOADER AND CHIPS P-CON.FHIGH +5V/+12/-30/FIL.FON OPEN/CLOSE.ETRAY LED LIGHT IC601 STANDBY DATA WAITE STANDBY LED OFF POWER K

22、EY PRESS POWER SUPPLY.FSTANDBY mode IC601 ACTIVE/P-CON.FLOW +5V/+12/-30/FIL.FOFF STANDBY LED LIGHT AC-CORD PLUG IN STANDBY LED LIGHT POWER KEY PRESS STANDBY LED OFF OPEN/CLOSE.ETRAY LED LIGHT RESET LOADER AND CHIPS READ/WRITE DATA IN EEPROM START COMMUNICATION WITH VFD VFD INDICATE READING INITIALIS

23、E MPEG DECODER (IC127) DISPLAY LOGO START CONTROL OF LOADER PICK INITIALISE SPINDLE ROTATE INITIALISE ADAC(IC130) DISC Y/NN YPLAYBACK mode VFD INDICATE NO DISC Except XE,UK Version Communication LINE confirm REMCON NG. IC116/IC113,112 periphera confirm REMCON OK. then IC601 peripheral confirm l POWE

24、R KEY confirm LED peripheral circuit confirm P-CON/+5V/+12/-30/FIL confirm IC601 VDD/RESET/OSC confirm IC601:FPC16316-80 confirm STANDBY LED peripheral circuit confirm P-COn/+5V/+12/-30/FIL confirm RESET (IC130) confirm VDD/CLOCK confirm IC116 peripheral confirm IC601 VDD/RESET/OSC confirm IC601:UPD

25、16311 confirm STANDBY LED peripheral circuit confirm POWER KEY confirm STANDBY LED peripheral circuit confirm LED peripheral circuit confirm RESET (IC130) confirm VDD/CLOCK confirm IC116 peripheral confirm IC118-IC127 BUS-LINE confirm IC127/116 peripheral confirm LOADER confirm Communication LINE co

26、nfirm (FFC) XE,UK Version IC BUS LINE confirm IC601 VFD peripheral confirm -30V.EFILAMENT voltage confirm Communication LINE confirm IC BUS LINE confirm IC601 VFD -30V.EFILAMENT voltage confirm Communication LINE confirm peripheral circuit confirm NG OK OK OK OK NG OK NG OK NG OK NG OK NG OK NG OK N

27、G OK OK TROUBLE SHOOTING General flow (This is a basic trouble shooting.) RadioFans.CN 收音机爱 好者资料库 - 42 - Check DAC output (IC131 pin11/14). NG OK NG OK Tracking signal of after DAC output. Check MUTE signal. NG OK Check (BCLK/ ASDATA/LRCLCIC131 pin 16/17/18). Check IC131 pin1(27MHz) and pin2(384FS).

28、 Check IC131 power source and peripheral circuit. Check IC131 RESET/ control signal(pin6/7/8/9). Check IC127 pin 105/106/107. Check BCLK/ASDATA/ LRCLK signal line. Check IC127 and its peripheral.(IC127 NG) Check IC127 peripheral. (IC127 NG) Exchange DVD:Loader. NG OK NG OK Check CD:CN810 pin2/3/4. C

29、heck IC127 peripheral. (IC128 NG) NG OK Exchange loader. Exchange MPEG p.w.board. Loader NG. 1. When time display OK and sound NG or When S/PDIF OK and analogue NG. 2. When time display NG and sound NG. Check optical module and signal line. NG OK Check IC127 peripheral. (IC127 NG) Check signal line

30、peripheralpattern and parts. Check time display. NG OK NO NO YES YES Check same output as SPDIF and RCA. Check check 1 Check check 2 4. When S/PDIF NG and analogue NG. 5. When pop noise (when usual operate.) 3. When S/PDIF NG and analogue OK. Loader NG Check pop noise only RCA output. Muting circuit

31、 trouble. Check MUTE signal. IC127 (MPEG) NG. NO YES 6. When pop noise (Power ON/OFF). Check MUTE circuit. (Normality ?) Check MUTE circuit. Specity place of noise generation. Check timing with MUTE signal and its peripheral. AUDIO PART Loader NG. Check IC127 peripheral. (IC127 NG) TROUBLE SHOOTING

32、(This is a basic trouble shooting.) RadioFans.CN 收音机爱 好者资料库 - 43 - TROUBLE SHOOTING Check IC102:video encorder output. NG OK NO TES NG OK Check IC102: video encorder peripheral. (DVD/reset/pd0-8/ sync/RSET) Something is wrong with pd0-8. Exchange disc (error rate high). Inquire the whole. Check dac

33、output and video encorder output. NG OK 1. When sound OK and picture NG. 2. When sound and picture NG and display OK. NG OK Check IC127 pin15/16. NG OK NO YES Check circuit from IC102 output to set output. Check circuit from IC102 output to set output. Check S6701 peripheral. Check circuit from IC10

34、2 output to set output. Check S6701 peripheral. Check IC102 peripheral. (IC102 NG) 8. When YUV/RGB NG and color NG. Check RGB/YUV setting. NO YES 7. When s-terminal output NG and color NG. Check IC102:video encorder output. Check solder of output terminal. (IC102 NG) NG OK 5. When color NG. VIDEO PA

35、RT Check wirng from encorder output to set output. IC102 NG. IC102 NG. IC127 NG. Check wiring. IC127 NG. Check the whole. Inquire wiring. NO YES NO YES NG OK 3. When confusion of the picture. 4. When confusion of the picture. Check loader. Check the whole. Check MPEG p.w.board. Recover at exchanged

36、loader. Recover at exchanged MPEG p.c.board. Recover at exchanged disc. NG OK Check fluctuation of power source 5V. Check contact of connector. Check power source p.w.board NG. Exchange p.w.board. Exchange disc. Color change. 27MHz oscillating circuit trouble. Check frequency. 6. when not change to

37、PAL or NTSC. 27MHz oscillating circuit trouble. Check frequency. Horizontal/ vertical line enter. Check video sync. IC102 video encorder output. Exchange oscillator. Exchange C8121/C8122. Check PAL/NTSC control line (IC116 pin16 cn671 pin9:high NTSC/low PAL). Check signal pattern and S6702. Check IC

38、102:video encorder output. Check S6701 peripheral circuit. Check setting signal pattern. (IC102 NG) IC102 NG. (This is a basic trouble shooting.) RadioFans.CN 收音机爱 好者资料库 - 44 - VOLTAGE OF IC when the external data bus width = 8 bit, this serves as the I/O port. 2: According to the register setting,

39、this can serve as the I/O port. Clock Generating Circuit Clock input XIN Clock output XOUT 32 Reset input RESET CDSEL 87 37 Vcc 91 55 34 (0V) Vss 33 (5V) MD0 54 (0V) MD1 90 (0V) AVss 88 AVcc 89 Reference voltage input VBEF 92 NMI 30 External data bus width select input BYTE 28 Read output RD 27 Writ

40、e output BLW 21 CS0 output CS0 Bus Interface Unit (BIU) Central Processing Unit (CPU) RadioFans.CN 收音机爱 好者资料库 - 63 - IC BLOCK DAIGRAM and P31, P32. P33 function as the output pins of RD, BLW, BHW, respectively. P30 also functions as an I/O port pin according to the resister setting. When the externa

41、l data has a width of 8 bits, be BHW pin functions P40 - P47I/O port P4I/O P40 - P44 function as output or input pins of ALE, 1, HLDA, HOLD, CS0, and P45 - P47 as I/O port pins, respectively. According to the resister setting, P40 - P43 also function as I/O port pins, and P45 - P47 as output pins of

42、 CS1 - CS3. P50 - P57I/O port P5I/O Port P5 is an 8-bit I/O port. This port has an I/O direction resister, and each pin can be programmed for input or output. These pins enter the input mode at reset. These pins also function as I/O pins for timers A0 - A3, output pins for the real-time output pins

43、for the real- time output, and input pins for the key-input interrupt. P60 - P67I/O port P6I/O Port P6 is an 8-bit I/O port. This port has an I/O direction resister, and each pin can be programmed for input or output. These pins enter the input mode at reset. These pins also function as I/O pins for

44、 timers A4, input pins for external interrupt inputs INT0 - INT2, and input pins for timers B0 - B2. P70 - P77I/O port P7I/O Port P7 is an 8-bit I/O port. This port has an I/O direction resister, and each pin can be programmed for input or output. These pins enter the input mode at reset. These pins

45、 also function as input pins for the A-D converter, output pins for the D-A converter, and input pins for INT2, INT3, and INT4. P80 - P87I/O port P8I/O Port P8 is an 8-bit I/O port. This port has an I/O direction resister, and each pin can be programmed for input or output. These pins enter the inpu

46、t mode at reset. These pins also function as I/O pins for UART0, UART1, and input pins for INT3 and INT4. P100/A0 - P107A7 Address (low-order) output Output Address (A0-A7) is output. P110/A8 - P117/A15 Address (middle-order) output Output Address (A8-A15) is output. These pins also function as I/O

47、port pins according to the resister setting. NMINon-mask able interruptInputThis pin is for a non-mask able interrupt. Note : The XIN-input-clock division select bit is used to determine whether the input clock to pin XIN is to be divided or not. RadioFans.CN 收音机爱 好者资料库 - 64 - IC BLOCK DAIGRAM & DES

48、CRIPTION IC502 M51953BFP (Reset) 8765 1234 NC POWER SUPPLY OUT PUT OUTER DELAY CAPACITY NCNCNCGND M51953BFP IC504 TC7SHU04FU (Inverter) 4 2 15VCC GND IN A NC OUT Y3 IC550 LE28C1001ATS-S-90-MPB (Flash Memory) WE OE CE A11 A9 A8 A13 A14 NC Vcc NC A16 A15 A12 A7 A6 A5 A4 A16A0 DQ7DQ0 32 Pin TSOP Normal (Top View) Address Buffers & Latches X- Decoder Control Logic I/O Buffers & Data Latches Y-Decoder 1,048,576 bit Super Flash EEPROM Cell Array Pin Name 1020 2925,2321 7 32 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 A10 DQ7 DQ6 DQ5 DQ4 DQ3 Vss D