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Zenith HD-SAT520, Руководство по обслуживанию

Zenith HD-SAT520 - это высококачественный цифровой спутниковый ресивер с широкими функциональными возможностями. Для более глубокого понимания работы устройства, вы можете бесплатно скачать сервисный мануал на нашем сайте. Узнайте все о Zenith HD-SAT520, загрузив его инструкцию на {веб-сайте}.

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3-62

3-63

7. AUDIO Processing BLOCK DIAGRAM

Audio Decoder

AC-3 / MPEG

SPDIF

Formatter

Digital Audio

Optical Out

Audio Out 1& 2

AF_MONO

ANA_PCM

CA_SEL_EXT/TP

AUDIO  DECODER

MUX

(74LCX157)

STi4600BCV

18.432 MHz

X-tal

MTS / SAP

Processor

(MSP4448G)

Digital  Audio

BUFFER

(MC33078)

MUX

(74LCX157)

CA_SPDIF_MUTE

FA_AFOUT

2CH  L/R
PCM

BUFFER

(74ACT244)

PCM
Clock

ANA_CLK_OUT

CA_CLKDIR_4600/MSP

IC701

IC711

IC713

IC710

IC804

IC801

X801

CPU_DATA[31-24]
CPU_ADDR[7-0]

HA_SEL_AUDDATA
HA_SEL_AUDSTRB

JA702

DIG_PCM

VARIABLE_L/R

5V_SDA1
5V_SCL1

SYSTEM I/F

SYSTEM I/F

Front-End

I/F

to  CH _  RF Modulator
  (TU301)

Содержание HD-SAT520

Страница 1: ...YS WHEN THE HIGH VOLTAGE IS AT THE FACTORY SPECIFIED LEVEL THE PROPER VALUE IS GIVEN IN THE APPLICABLE SCHEMATIC OPERA TION AT HIGHER VOLTAGES MAY CAUSE A FAILURE OF THE PIC TURE TUBE OR HIGH VOLTAGE...

Страница 2: ...pan els Input terminals Earphone jacks etc Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged easily by static electricity Such components commonly are calle...

Страница 3: ...2 2 EXPLODED VIEWS 1 Cabinet and Main Frame Section 463 280 260 A42 A49 A46 A44 250 320 463 463 463 463 463 457 465 466 452 A43 452 463 300 A 5 4 3 2 1 B C D...

Страница 4: ...king Accessory Section 808 804 803 801 900 802 803 813 S VIDEO CABLE 806 RF CABLE 2EA 822 SMART CARD 823 TELEPHONE LINE 820 COMPONENT CABLE PACKING SHEET PACKING BATTERY REMOCON BOX CARTONX OWNER S MA...

Страница 5: ...the D121 D122 normal Is there about 2 5V at the IC103 Pin1 Is the D129 D130 normal Is the D125 normal YES Power in Main PCB is short Replace the F101 Use the same Fuse Replace the BD101 Replace the TH...

Страница 6: ...3 normal Is there about 33V at the IC152 Pin1 Is the ZD152 normal NO Replace the F103 Use the same Fuse NO NO NO Check or Replace the D126 Check or Replace the ZD152 YES YES YES Check or Replace the Z...

Страница 7: ...2MHz clock output from the pin 67 of IC701 Fig05 Check R701 C703 C704 Is Data output from the pin 73 of IC701 Fig06 Is 3 072MHz clock output from the pin 63 of IC701 Fig07 Is 48kHz clock output from t...

Страница 8: ...3 8 Fig 01 Fig 02 Fig 03 Fig 04 Fig 05 Fig 06 Fig 07 Fig 08...

Страница 9: ...utput from the Pin 28 29 of IC801 Fig09 Check IC702 and surroundings 1 2 Check MSP4448G and Surroundings Is 5V supplied to the pin 10 16 49 63 of IC801 Check Power Supply Part Is 8V supplied to the pi...

Страница 10: ...gs Is 9V supplied to the pin 8 of IC804 Check Power Supply Part Check Q803 Q804 Q805 Q806 JA600 and their surroundings 2 No DirecTV Audio YES YES NO NO Is ATSC audio OK Check the pin 56 36 of the IC20...

Страница 11: ...dio Is SIF signal input into the pin 50 of IC801 Fig10 Check TU300 Is SIF signal input into the Base of Q304 Are ATSC DirecTV Audio OK Check Q304 Is analog audio signal output from the pin 17 18 of IC...

Страница 12: ...om the pin 51 of IC701 Fig11 Is 5V supplied into the pin 2 of JA702 Check JA702 and surrounding YES YES Check IC701 and surrounding Is ATSC DirecTV Audio OK YES Is SPDIF pulse output from the pin 4 of...

Страница 13: ...io OK Is 18 432MHz clock output from the pin 57 of IC801 Fig12 Check IC801 Is ATSC DirecTV SPDIF OK Is 18 432MHz clock output from the pin 3 of IC713 Fig13 Check IC713 Is NTSC Audio OK Is Logic Low in...

Страница 14: ...3 14 Fig 12 Fig 13...

Страница 15: ...S NO YES NO 6 No 3 4 RF Audio Is ATSC DirecTV Audio OK Is ATSC DirecTV NTSC SPDIF OK Is analog audio output from the pin 18 of IC801 Check IC801 Is analog audio output from the Emitter of Q802 Check Q...

Страница 16: ...signal 2 operate normally Check IC100 5 clock waveform See Fig 01 Check IC100 8 clock waveform See Fig 02 YES YES YES Check Connector P101 3 P101 2 P101 1 voltage 28 24 21 5V Does the signal 3 operat...

Страница 17: ...3 17 FIG 01 IC100 VFD Chip Clock about 460KHz FIG 02 IC100 VFD Control Clock Signal FIG 03 IC100 VFD Chip Grid1 Pulse...

Страница 18: ...YES NO NO NO NO 720P 1080I picture right YES Connect DVI cable A Check IC404 pin57 IDCK pin2 DE pin4 HSYNC pin5 VSYNC The IDCK_ clock shall be 27MHz Refer to Fig 1 Check IC404 pin57 IDCK pin2 DE pin4...

Страница 19: ...Color Space Switch is RGB side IC404 pin 11 is high volt The emitter of Q409 is high volt Change Switch to RGB side Change the DVI chip Use another DVI cable or Turn on the receiver monitor NO NO NO Y...

Страница 20: ...OK Start 1 outline Check Power Refer to A Check each clock Refer to B Check reset circuit Refer to C Check each chip selection Refer to D Check each I2C channel Refer to E YES YES YES YES YES NO NO NO...

Страница 21: ...101 and 3 3V to L102 Is 3 3V supplied to the pin 47 of IC104 IC105 the pin 1 of IC 102 103 and the pin 51 of IC201 Power Supply Check IC904 2 5V IC902 3 3V Power Supply Check IC902 3 3V YES NO NO YES...

Страница 22: ...put from the pin 3 of X101 Fig01 Is 37 5MHz clock input into the pin 87 of IC201 Fig02 Check X100 Check IC101 IC201 YES YES NO NO Is 9 375MHz clock input into the pin 1 of IC202 Fig03 Check IC201 IC20...

Страница 23: ...3 23 C Is the pin 3 of IC108 reset Are the pin 42 57 61 81 83 94 92 97 of IC201 reset Are the pin 4 of IC106 reset Fig04 IC108 Check Check IC101 201 IC106 Check YES YES NO NO NO Fig 04...

Страница 24: ...104 105 Check IC101 IC701 Check IC101 IC500 YES YES NO NO NO Is logic low pulse seen at R143 Check IC101 IC201 NO YES YES Is logic low pulse seen at R108 Check IC101 IC102 NO Is logic low pulse seen a...

Страница 25: ...nto the pin 2 5 of IC209 from IC101 Check IC101 IC209 YES NO Are IIC SCL and SDA signal output from the pin 4 6 of IC209 YES Check IC209 NO Are the IIC SCL and SDA signal output from the pin of IC202...

Страница 26: ...pulse output into the pin 31 of IC100 Is logic low pulse output into the pin 57 of IC701 Fig08 Check IC100 IC500 Check IC100 IC701 YES YES NO NO Is logic low pulse output into the pin 75 of IC1950 Ch...

Страница 27: ...pin 11 of IC204 OK TxD signal Fig09 Is the pin 12 of IC204 OK RxD signal Fig10 Check IC101 IC204 Check IC101 IC204 Is the RS 232C port setup is OK Baudrate Parity Data Bit Stop Bit Modify RS 232C por...

Страница 28: ...oubleshooting Flow End No HV sync OUT Any problem in OSD Any problem in main picture Start NO NO NO YES YES YES YES Is there any problem in AV out NO A B C1 D What is the main picture source DTV or NT...

Страница 29: ...8 supplied to HD1 FIG 01 Check L500 2 5V L501 3 3V If HV sync exist in IC613 pin6 7 FIG 03 FIG 04 then check IC613 pin1 is low If not check IC201 pin45 Check IC601 pin5 and IC612 pin4 in SD and HD res...

Страница 30: ...B Check analog mute ON Check analog buffers IC610 IC609 for 480i IC607 for component YPbPr IC608 for RGB analog NO YES NG OK No OSD is not a problem Check DVI output Check A9V is supplied Jump to A f...

Страница 31: ...there any problem in selecting ATSC and DSS Check signal strength If OK check system clock 27MHz X600 pin 3 IC602 pin 31 Stream Input Check IC501 502 503 Terr check VSB IC303 block FIG 05 DSS check TP...

Страница 32: ...in IC611 pin 36 FIG 09 Vsync out 59 94Hz negative pulse in IC611 pin 35 FIG 10 top Field ID 29 97Hz pulse in IC611 pin 34 FIG 10 bottom Pixel clock 13 5MHz continuous Clock in IC611 pin 28 FIG 11 IIC...

Страница 33: ...ck Q403 404 405 base voltage Must be low If not check IC201 pin 44 OK NG power check L401 3 3V Analog output IC403 pin 30 composite FIG 12 pin 27 Y pin 24 C FIG 13 Pixel clock 27MHz continuous Clock i...

Страница 34: ...clock waveform See FIG 01 Check IC1951 35 clock waveform See FIG 02 YES YES YES Check IC1950 1 voltage 1 8V Does the reset signal operate normally Check IC1950 68 voltage 3 3V YES Does the clock 3 ope...

Страница 35: ...lock waveform See FIG 05 YES YES YES Refer the smart card troubleshooting guide page 1 Does the clock 6 operate normally Check IC980 15 clock waveform See FIG 06 YES Does the GPO control operate Check...

Страница 36: ...oes the UART pin control operate Check IC1901 5 voltage 3 3V Check IC1901 6 voltage 3 3V YES NO Is the IC1902 power supplied normally with connecting phone line Check IC1902 9 relative IC1902 3 voltag...

Страница 37: ...0 SDRAM Clock 108MHz FIG 03 IC1950 Video Data Clock 13 5MHz FIG 04 IC1950 Smart Card Clock 36 864MHz FIG 05 IC980 Chip Clock 18 432MHz FIG 06 IC980 Smart Card Clock 4 608MHz FIG 07 IC1901 Modem Chip C...

Страница 38: ...rring the circuit diagram Change channel with DTV signal Check SAW Filter and peripheral parts Check 38MHz Crystal s output Fig 01 Check the status of connection on PCB And check 25MHz OSC s output X1...

Страница 39: ...3 39 FIG 01 FIG 02 FIG 03 FIG 04 FIG 05...

Страница 40: ...S 2200Z 821 LSS 2200Z AA 6611R3G002A 1 43 PLUG ASSEMBLY LSS 2200Z 900 LSS 2200Z AA 6711R1N094A 5 8 REMOTE CONTROLLER AS LSS 2200Z A42 3501R 4030D 6871R 9223A 0 1 PWB PCB ASSEMBLY TO LSS 2200Z A43 LSS...

Страница 41: ...ING LSS 2200Z C102 6874R 2249E 624 088F 0 1 CAPACITOR DRAWING LSS 2200Z C102 6875R 9222A 0CX2200K408 0 1 CAPACITOR FIXED TUBULAR Temp compensate LSS 2200Z C102 6875R 9222A 0CX2200K408 0 1 CAPACITOR FI...

Страница 42: ...0 1 CAPACITOR FIXED CERAMIC Temp compensate LSS 2200Z C110 6883RN4520A 0CH1104K512 0 1 CAPACITOR FIXED CERAMIC Temp compensate LSS 2200Z C111 6874R 2249E 0CG2220U630 0 1 CAPACITOR SEMI CERAMIC LSS 22...

Страница 43: ...CH1104K512 0 1 CAPACITOR FIXED CERAMIC Temp compensate LSS 2200Z C124 6874R 2249E 0CE2282F611 0 1 CAPACITOR FIXED ELEC LSS 2200Z C124 6874R 2249E 0CE2282F611 0 1 CAPACITOR FIXED ELEC LSS 2200Z C124 68...

Страница 44: ...ED CERAMIC Temp compensate LSS 2200Z C142 6883RN4520A 0CH1104K512 0 1 CAPACITOR FIXED CERAMIC Temp compensate LSS 2200Z C142 6883RN4520A 0CH1104K512 0 1 CAPACITOR FIXED CERAMIC Temp compensate LSS 220...

Страница 45: ...ERAMIC High dielectric LSS 2200Z C1901 6882RM4520A 0CK151J366A 0 19 CAPACITOR FIXED CERA LSS 2200Z C1903 6882RM4520A 0CK224CF56A 0 1 CAPACITOR FIXED CERA LSS 2200Z C1904 6882RM4520A 0CK151J366A 0 19 C...

Страница 46: ...4520A 0CH1104K512 0 1 CAPACITOR FIXED CERAMIC Temp compensate LSS 2200Z C1958 6882RD4520A 0CH1104K512 0 1 CAPACITOR FIXED CERAMIC Temp compensate LSS 2200Z C1958 6882RD4520A 0CH1104K512 0 1 CAPACITOR...

Страница 47: ...IC Temp compensate LSS 2200Z C1988 6882RD4520A 0CH1104K512 0 1 CAPACITOR FIXED CERAMIC Temp compensate LSS 2200Z C1989 6883RD4520A 0CH4470K412 0 1 CAPACITOR FIXED CERAMIC High dielectric LSS 2200Z C19...

Страница 48: ...K512 0 1 CAPACITOR FIXED CERAMIC Temp compensate LSS 2200Z C226 6883RN4520A 0CH1102K562 0 1 CAPACITOR FIXED CERAMIC Temp compensate LSS 2200Z C226 6883RN4520A 0CH1102K562 0 1 CAPACITOR FIXED CERAMIC T...

Страница 49: ...TIC LSS 2200Z C302 6882RT4520A 0CH8107F611 0 1 CAPACITOR CHIP AL ELECTROLYTIC LSS 2200Z C303 6883RT4520A 0CH1104K512 0 1 CAPACITOR FIXED CERAMIC Temp compensate LSS 2200Z C303 6883RT4520A 0CH1104K512...

Страница 50: ...AMIC Temp compensate LSS 2200Z C324 6882RT4520A 0CH1103K562 0 1 CAPACITOR FIXED CERAMIC Temp compensate LSS 2200Z C324 6882RT4520A 0CH1103K562 0 1 CAPACITOR FIXED CERAMIC Temp compensate LSS 2200Z C32...

Страница 51: ...CH1103K562 0 1 CAPACITOR FIXED CERAMIC Temp compensate LSS 2200Z C352 6882RT4520A 0CH1103K562 0 1 CAPACITOR FIXED CERAMIC Temp compensate LSS 2200Z C360 6883RT4520A 0CH1104K512 0 1 CAPACITOR FIXED CER...

Страница 52: ...dielectric LSS 2200Z C415 6883RY4520A 0CH4100K112 0 1 CAPACITOR FIXED CERAMIC High dielectric LSS 2200Z C415 6883RY4520A 0CH4100K112 0 1 CAPACITOR FIXED CERAMIC High dielectric LSS 2200Z C416 6883RY4...

Страница 53: ...04K512 0 1 CAPACITOR FIXED CERAMIC Temp compensate LSS 2200Z C501 6883RY4520A 0CH1104K512 0 1 CAPACITOR FIXED CERAMIC Temp compensate LSS 2200Z C502 6883RY4520A 0CH1104K512 0 1 CAPACITOR FIXED CERAMIC...

Страница 54: ...Temp compensate LSS 2200Z C531 6883RY4520A 0CH1104K512 0 1 CAPACITOR FIXED CERAMIC Temp compensate LSS 2200Z C531 6883RY4520A 0CH1104K512 0 1 CAPACITOR FIXED CERAMIC Temp compensate LSS 2200Z C532 68...

Страница 55: ...Temp compensate LSS 2200Z C557 6883RY4520A 0CH1104K512 0 1 CAPACITOR FIXED CERAMIC Temp compensate LSS 2200Z C558 6883RY4520A 0CH1104K512 0 1 CAPACITOR FIXED CERAMIC Temp compensate LSS 2200Z C558 68...

Страница 56: ...K512 0 1 CAPACITOR FIXED CERAMIC Temp compensate LSS 2200Z C589 6883RY4520A 0CH1104K512 0 1 CAPACITOR FIXED CERAMIC Temp compensate LSS 2200Z C589 6883RY4520A 0CH1104K512 0 1 CAPACITOR FIXED CERAMIC T...

Страница 57: ...ic LSS 2200Z C633 6883RY4520A 0CH4101K412 0 1 CAPACITOR FIXED CERAMIC High dielectric LSS 2200Z C633 6883RY4520A 0CH4101K412 0 1 CAPACITOR FIXED CERAMIC High dielectric LSS 2200Z C634 6882RY4520A 0CH8...

Страница 58: ...0CH1104K512 0 1 CAPACITOR FIXED CERAMIC Temp compensate LSS 2200Z C665 6883RY4520A 0CH1104K512 0 1 CAPACITOR FIXED CERAMIC Temp compensate LSS 2200Z C665 6883RY4520A 0CH1104K512 0 1 CAPACITOR FIXED CE...

Страница 59: ...lectric LSS 2200Z C817 6882RA4520A 0CH4020K012 0 1 CAPACITOR FIXED CERAMIC High dielectric LSS 2200Z C818 6882RA4520A 0CH4020K012 0 1 CAPACITOR FIXED CERAMIC High dielectric LSS 2200Z C821 6882RA4520A...

Страница 60: ...CH8107F611 0 1 CAPACITOR CHIP AL ELECTROLYTIC LSS 2200Z C907 6882RP4520B 0CH8107F611 0 1 CAPACITOR CHIP AL ELECTROLYTIC LSS 2200Z C907 6882RP4520B 0CH8107F611 0 1 CAPACITOR CHIP AL ELECTROLYTIC LSS 22...

Страница 61: ...e LSS 2200Z C965 6883RS4520A 0CH1104K512 0 1 CAPACITOR FIXED CERAMIC Temp compensate LSS 2200Z C965 6883RS4520A 0CH1104K512 0 1 CAPACITOR FIXED CERAMIC Temp compensate LSS 2200Z C966 6883RS4520A 0CH11...

Страница 62: ...SWITCHING LSS 2200Z D100 6875R 9222A 0DD133009AA 0 1 DIODE SWITCHING LSS 2200Z D100 6875R 9222A 0DD133009AA 0 1 DIODE SWITCHING LSS 2200Z D101 6875R 2249E 0DD010009CA 0 13 DIODE RECTIFIERS LSS 2200Z...

Страница 63: ...200Z D152 6874R 2249E 0DR104510AA 0 57 DIODE RECTIFIERS LSS 2200Z D152 6874R 2249E 0DR104510AA 0 57 DIODE RECTIFIERS LSS 2200Z D153 6874R 2249E 0DR104510AA 0 57 DIODE RECTIFIERS LSS 2200Z D153 6874R 2...

Страница 64: ...CIRC SAW LSS 2200Z IC301 6874RT4520A 6200QL3001F 1 79 FILTER CIRC SAW LSS 2200Z IC302 6882RT4520A 0IPRPNE005A 1 59 IC PERIPHERALS LSS 2200Z IC303 6882RT4520A 0ICTMLG005A 13 82 IC CUSTOMIZED LSS 2200Z...

Страница 65: ...20A 6612R L001A 1 34 JACK FIBER OPTIC LSS 2200Z L100 6875R 9222A 0LR0102K035 0 1 INDUCTOR RADIAL LEAD LSS 2200Z L100 6875R 9222A 0LR0102K035 0 1 INDUCTOR RADIAL LEAD LSS 2200Z L100 6875R 9222A 0LR0102...

Страница 66: ...TRANSISTOR BIPOLARS LSS 2200Z Q1904 6882RM4520A 0TRKE90011A 0 19 TRANSISTOR BIPOLARS LSS 2200Z Q300 6883RT4520A 0TRFN80001A 0 15 TRANSISTOR BIPOLARS LSS 2200Z Q301 6883RT4520A 0TRFN80001A 0 15 TRANSI...

Страница 67: ...OR FIXED METAL OXIDE FILM LSS 2200Z R101 6875R 2249E 0RS1003K619 0 1 RESISTOR FIXED METAL OXIDE FILM LSS 2200Z R101 6875R 9222A 0RD2200F608 0 1 RESISTOR FIXED CARBON FILM LSS 2200Z R101 6875R 9222A 0R...

Страница 68: ...1 RESISTOR METAL GLAZED CHIP LSS 2200Z R111 6882RN4520A 0RH4701C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R112 6882RN4520A 0RH4701C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R112 6882RN4520A 0RH...

Страница 69: ...RESISTOR FIXED CARBON FILM LSS 2200Z R127 6875R 2249E 0RD1003F608 0 1 RESISTOR FIXED CARBON FILM LSS 2200Z R127 6875R 2249E 0RD1003F608 0 1 RESISTOR FIXED CARBON FILM LSS 2200Z R127 6882RN4520A 0RH02...

Страница 70: ...1 RESISTOR METAL GLAZED CHIP LSS 2200Z R141 6882RN4520A 0RH0222C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R141 6882RN4520A 0RH0222C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R142 6882RN4520A 0RH...

Страница 71: ...SISTOR METAL GLAZED CHIP LSS 2200Z R155 6882RN4520A 0RH1001C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R155 6882RN4520A 0RH1001C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R156 6882RN4520A 0RH1001C...

Страница 72: ...2 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R161 6875R 2249E 0RD2200F608 0 1 RESISTOR FIXED CARBON FILM LSS 2200Z R161 6875R 2249E 0RD2200F608 0 1 RESISTOR FIXED CARBON FILM LSS 2200Z R161 6875R 2249E...

Страница 73: ...622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R1626 6882RY4520A 0RH7501C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R1626 6882RY4520A 0RH7501C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R1627 6882RY4...

Страница 74: ...0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R170 6883RN4520A 0RH4701C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R170 6883RN4520A 0RH4701C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R172 6883RN4520A 0...

Страница 75: ...622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R190 6882RN4520A 0RH0222C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R190 6882RN4520A 0RH0222C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R1902 6882RM452...

Страница 76: ...1 RESISTOR METAL GLAZED CHIP LSS 2200Z R1959 6882RD4520A 0RH1001C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R1959 6882RD4520A 0RH1001C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R1959 6882RD4520A 0...

Страница 77: ...1 RESISTOR METAL GLAZED CHIP LSS 2200Z R216 6882RN4520A 0RH2200C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R216 6882RN4520A 0RH2200C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R217 6882RN4520A 0RH...

Страница 78: ...1 RESISTOR METAL GLAZED CHIP LSS 2200Z R240 6882RN4520A 0RH1000C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R240 6882RN4520A 0RH1000C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R242 6882RN4520A 0RH...

Страница 79: ...1 RESISTOR METAL GLAZED CHIP LSS 2200Z R266 6883RN4520A 0RH1001C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R266 6883RN4520A 0RH1001C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R266 6883RN4520A 0RH...

Страница 80: ...1 RESISTOR METAL GLAZED CHIP LSS 2200Z R302 6883RT4520A 0RH1000C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R302 6883RT4520A 0RH1000C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R303 6883RT4520A 0RH...

Страница 81: ...1 RESISTOR METAL GLAZED CHIP LSS 2200Z R322 6882RT4520A 0RH0752C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R322 6882RT4520A 0RH0752C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R322 6882RT4520A 0RH...

Страница 82: ...1 RESISTOR METAL GLAZED CHIP LSS 2200Z R360 6883RT4520A 0RH1001C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R360 6883RT4520A 0RH1001C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R360 6883RT4520A 0RH...

Страница 83: ...RESISTOR METAL GLAZED CHIP LSS 2200Z R414 6883RY4520A 0RH2201C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R414 6883RY4520A 0RH2201C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R415 6883RY4520A 0RH22...

Страница 84: ...1 RESISTOR METAL GLAZED CHIP LSS 2200Z R506 6883RY4520A 0RH0752C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R506 6883RY4520A 0RH0752C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R506 6883RY4520A 0RH...

Страница 85: ...2 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R528 6882RY4520A 0RH0472C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R528 6882RY4520A 0RH0472C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R529 6882RY4520A...

Страница 86: ...1 RESISTOR METAL GLAZED CHIP LSS 2200Z R609 6882RY4520A 0RH0682C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R610 6882RY4520A 0RH4703C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R610 6882RY4520A 0RH...

Страница 87: ...1 RESISTOR METAL GLAZED CHIP LSS 2200Z R628 6882RY4520A 0RH1001C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R628 6882RY4520A 0RH1001C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R628 6882RY4520A 0RH...

Страница 88: ...1 RESISTOR METAL GLAZED CHIP LSS 2200Z R652 6882RY4520A 0RH1200C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R652 6882RY4520A 0RH1200C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R653 6882RY4520A 0RH...

Страница 89: ...1 RESISTOR METAL GLAZED CHIP LSS 2200Z R677 6883RY4520A 0RH1001C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R677 6883RY4520A 0RH1001C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R677 6883RY4520A 0RH...

Страница 90: ...ETAL GLAZED CHIP LSS 2200Z R694 6883RY4520A 0RH1001C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R694 6883RY4520A 0RH1001C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R694 6883RY4520A 0RH1001C622 0 1...

Страница 91: ...1 RESISTOR METAL GLAZED CHIP LSS 2200Z R752 6882RA4520A 0RH0222C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R752 6882RA4520A 0RH0222C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R752 6882RA4520A 0RH...

Страница 92: ...2 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R858 6883RA4520A 0RH3602C622 0 1 RESISTOR METAL GLAZE LSS 2200Z R861 6882RA4520A 0RH1001C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R861 6882RA4520A 0RH100...

Страница 93: ...ISTOR METAL GLAZED CHIP LSS 2200Z R960 6883RS4520A 0RH0272C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R961 6882RS4520A 0RH0272C622 0 1 RESISTOR METAL GLAZED CHIP LSS 2200Z R961 6882RS4520A 0RH0272C6...

Страница 94: ...9B 0 1 SWITCH TACT LSS 2200Z SW107 6875R 9222A 556 219B 0 1 SWITCH TACT LSS 2200Z SW108 6875R 9222A 556 219B 0 1 SWITCH TACT LSS 2200Z SW108 6875R 9222A 556 219B 0 1 SWITCH TACT LSS 2200Z SW108 6875R...

Страница 95: ...882RA4520A 6212AB2008A 0 38 RESONATOR CRYSTAL LSS 2200Z X980 6882RM4520A 6212AB2008A 0 38 RESONATOR CRYSTAL LSS 2200Z ZD151 6875R 2249E 0DZ330009BF 0 1 DIODE ZENER LSS 2200Z ZD151 6875R 2249E 0DZ33000...

Страница 96: ...24V 2 6 22 20 19 18 17 16 21 8 8 13 15 14 D128 C133 R127 ZD151 D125 C127 L123 C128 D129 D130 C134 D127 C131 L125 C132 D6 C129 30VA REG BLOCK IC152 C152 C151 24VA REG BLOCK IC151 C152 TO MAIN FD FD 29...

Страница 97: ...9PI Regulator SI1566IT 2 5 Regulator KA378R33 P_4V Regulator KIA78DL08F IC902 IC805 IC903 IC900 IC904 IC905 EMIFIL BNX002 01 T901 P_6V EMIFIL BNX002 01 T902 Regulator KIA78R05PI IC901 P_3V D3 3V_1 D3...

Страница 98: ...3244 Buffer 74FCT163245 IC205 IC207 208 25MHz OSC X101 VSB_25M C_MEM_DATA 31 0 C_MEM_ADDR 11 0 controls UART1_RX UART1_TX PERDATA 31 24 PERADDR0 controls PERDATA 31 0 PERADDR 31 0 controls PERDATA 31...

Страница 99: ...T MC_RXD CM_TXD ODU SDRAM 1Mx16bx1 QPSK TUNER 4 9152 MHz X tal 18 432 MHz X tal 36 864MHz OSC SC_CLK_IN UART_CLK_IN SAT IN PHONE JACK SMART CARD TU960 IC1951 IC1950 IC980 X1950 IC960 X980 IC1901 IC190...

Страница 100: ...VIF TDPC H901P Switch 74HC4066 5V_SDA1 5V_SCL1 TU_SDA TU_SCL CF_SEL_IIC AT NT Combo TUNER 2 Input RF Switch ATSC SAW X6931D ATSC SAW X6965D IF signal Down Converter uPC2798GR 38 MHz X tal TU300 TU301...

Страница 101: ...LPF TOKO 25M X 3 AMP AD8013AR AMP AD8013AR CP_RGB_MUTE Line Driver 74HC540 Video Out 1 2 NTSC Encoder SAA7120 AMP TK15420 X 2 S Video Ou t RGB Out CVBS_OUT Sync Sep LM1881M PC_V_1881 IC404 IC602 IC40...

Страница 102: ...BCV 18 432 MHz X tal MTS SAP Processor MSP4448G Digital Audio BUFFER MC33078 MUX 74LCX157 CA_SPDIF_MUTE FA_AFOUT 2CH L R PCM BUFFER 74ACT244 PCM Clock ANA_CLK_OUT CA_CLKDIR_4600 MSP IC701 IC711 IC713...

Страница 103: ...VFD Controlle r uPD16315GB 3BS VFD HNR 11SS38T Key Block Tact Switches IR Receiver TSOP1238TP1 Power Switch FC_DATA CF_DATA CF_CLK CF_STB FC_IRQ IC100 IC101 ANODE 15 1 GRID 15 1 SW101 110 ANODE 6 1 KE...

Страница 104: ...to risk of fire or NOTES electricial shock 9 10 11 M N O BD101 R101 are defective No Power D126 is defective or F103 is open No 30VA IC101 is defective Switching Error IC102 IC103 is defective Switchi...

Страница 105: ...3 68 3 69 2 FRONT CIRCUIT DIAGRAM...

Страница 106: ...3 70 3 71 3 CPU 1 CIRCUIT DIAGRAM...

Страница 107: ...3 72 3 73 4 CPU 2 CIRCUIT DIAGRAM...

Страница 108: ...3 74 3 75 5 TERRESTRIAL CIRCUIT DIAGRAM...

Страница 109: ...3 76 3 77 6 DVI TRANSMITTER NTSC ENCODER CIRCUIT DIAGRAM...

Страница 110: ...3 78 3 79 7 ATSC TP DEMUX VD XDO CIRCUIT DIAGRAM...

Страница 111: ...3 80 3 81 8 VDP I F DISPLAY CIRCUIT DIAGRAM...

Страница 112: ...3 82 3 83 9 AUDIO DECODER SPDIF CIRCUIT DIAGRAM...

Страница 113: ...3 84 3 85 10 NTSC AUDIO PROCESSOR CIRCUIT DIAGRAM...

Страница 114: ...3 86 3 87 11 POWER DSS FRONT CIRCUIT DIAGRAM...

Страница 115: ...3 88 3 89 12 DIRECTV TP DEMUX CIRCUIT DIAGRAM...

Страница 116: ...3 90 3 91 13 SMART CARD I F CIRCUIT DIAGRAM 1...

Страница 117: ...3 92 3 93 14 SMART CARD I F CIRCUIT DIAGRAM 2...

Страница 118: ...3 94 3 95 PRINTED CIRCUIT DIAGRAMS 1 DIGITAL MAIN P C BOARD BOTTOM...

Страница 119: ...3 96 3 97 2 DIGITAL MAIN P C BOARD TOP...

Страница 120: ...3 98 3 99 3 POWER P C BOARD 4 KEY P C BOARD 5 KEY P C BOARD LOCATION GUIDE...

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