Zenith HDR230 Service Manual

SERVICE MANUALProduct Type: HD PERSONAL VIDEO RECORDER & RECEIVERManual Series: HDR230Manual Part #: 3829RVN006MModel Line

2-2EXPLODED VIEWS1. Cabinet and Main Frame Section463280260A42A49A46A47AA44300250320468468463463463464463463464457465466452A43A47452463A54321BCDNOTE)

2-32. Packing Accessory Section808 BATTERYREMOCONINSTRUCTION ASSEMBLYPACKING (RF)BAGCABLECABLECABLECABLEPACKING (LF)BOX CARTON806804803811812820801900

3-1SECTION 3ELECTRICALCONTENTS1. WIRING DIAGRAM...3-22. SYSTEM S/W UP-DATE & DIAGNOSTIC S/W..3-33. ELECT

3-21. WIRING DIAGRAMPowerBoardHDDDigitalBoardFront Board+12V GND +12V Power On Live +5V GND +3.3V GND +5V GND +3.3V +3.3V +5V GND +5.5V +5.V GND GND +

3-32. SYSTEM S/W UP-DATE & DIAGNOSTIC S/W • System S/W Up-date1) Connect the serial cable between the connector for a service and the serial port

3-4• Using Diagnostic S/WPreparation for diagnostic using test code stored at flash memory1) At Power Up, connect the serial cable to the port for a s

3-5Run the test by press “ T” and then “Enter” key============================System Test==============================System SDRAM Test--------------

3-6*************************System Test Result**************************01. System SDRAM Test------------------------------>OK02. Flash Memory Test

3-73. ELECTRICAL TROUBLESHOOTING GUIDE1) INITIALNoYesYesNoYesNoNoYesNoYesNoYesYesFront Power LED isred?Turn on the power switchor Turn on the power sw

3-8NONONONONONONONOYESYESYESYESYESYESYESYESNOYES(1) No 5.0VACheck or Replacethe D121.NOCheck PWR CTL “H”signal of µ-COM.NOYESYESYES(2) No 5.4V NO 5.0V

1-1SECTION 1SUMMARYCONTENTSOVERVIEW...1-2

3-9NOYESYESYES(3) No 3.3VNO 3.3V.Is there about 3.5V atthe IC155/IC156 Pin1?Is there about 4.5~5V atthe IC155/IC156 Pin1?Check or Replacethe IC155/IC1

3-103) SYSTEM PARTNo Yes No Yes No Yes Yes No Yes Yes No When the screen is notdisplayed after the poweris turned onCheck with the terminal afterconne

3-114) VIDEO PART Component signalis missingComponent screenhas no signalNormal RGB outputyesnonoyesNormal RGB portNo Pr signal : Check whether the s

3-12RGB signal is missingyesnoyesnoComponent portNormal output?Check the direction of IC151Check IC151.4 -> 9V, IC151.11 -> groundCheck whether

3-13yesnoyesnoyesyesnoyes noA/V Out portNo video screensignalCheck J118.5 -> F114 -> R467 -> C742 -> C741->R746->R737->Q709->

3-145) AUDIO PARTNoYes Yes NoNoNoYesYes No No YesYesNo YesYesNo When there is no sound afterthe power is normally turned on,Video isnormally displayed

3-156) VSB PART When the screen is not displayed or distortedIs the channelon air selected?Did youcheck the clock used at IC146 and IC156?Did you ch

3-167) PVR PARTYes No NoWhen TV is normally operatedbut PVR does not function"PVR function doesn't work properly" of the SETUP menu.E

3-355. VOLTAGE MEASURED VALUE1) CAPACITORCapacity0.47uF C746 3.158 0 3.157 01uF C288 4.79 0 4.79 0C289 2.24 0 2.24 0C398 7.03 0 7.02 0C454 3.5 -2.82 3

1-2OVERVIEW1.1 Explanation- HD PERSONAL VIDEO RECORDER & RECEIVER or PVR(Personal Video Recorder)-STB(Set-Top Box)stores video and audio data into

3-36CapacityC739 4.78 0 4.78 022uF/16 C211 3.22 0 3.21 0C212 2.43 0 2.43 0C249 4.5 2.31 4.5 2.31C250 4.5 2.31 4.5 2.31C299 3.86 0 3.86 0C302 3.86 0 3.

3-37Capacity470uF C273 3.23 0 3.22 0C451 2.26 0.98 2.23 1.17C452 2.26 0.98 2.23 1.17C453 2.26 0.98 2.24 1.16C471 4.53 0 4.53 0.2C472 4.53 0 4.53 1.3C4

3-382) DIODECapacitySD05 D100 0 0 0 0D101 -0.75 0 -0.75 0D102 0.09 0 0.09 0D103 3.23 0 3.23 0D104 3.23 0 3.23 0D105 3.23 0 3.23 0D106 3.23 0 3.23 0D10

3-39SLUV2.8 D109 0 0.33 0 0 VideoD110 0 0.24 0 0 SignalD111 0 0.27 0 0D112 0 0.01 0 0D113 0 0 0 0D114 0 0.01 0 0D115 0 0.15 0 0D116 0 0 0 0D117 0 0.08

3-9074LXC04 /SYS_RESET_1PPC405GP /SYS_RESET /EXT_RESETHD-1 PCI I/F /PCIRESET/PCI_RESETFlash Memory +3.3V 10uF I2C Controller [PCF8584-A] /SYS_RESE

3-91Power Suppl ier RegulatorEZ1580 HD-1 IC113 +9VPVR Digital Board +5VVSB Chip LGDT3102 +3.3V AC-3 Decoder [STi4600] +3.3V Regulator 78R05 +2.

3-17 3-184. WAVEFORMS1) DIGITAL SYSTEM [CLOCK GENERATOR] PART123

3-19 3-202) DIGITAL SYSTEM [SYSTEM MEMORY] PART123

1-3IMPORTANT SAFETY NOTICEThis manual was prepared for use only by properly trained audio-video servicetechnicians.When servicing this product, under

3-21 3-223) VIDEO [PLL] PART12

3-23 3-244) VIDEO [OUTPUT CONNECTOR] PART123BMK800BMK800BMK80033PF33PF33PF

3-25 3-265) AUDIO PART1342Q712KRA102SR774R77522Q713DGND3:K7 CA_SPDIF_MUTE/STI4600_RESET

3-27 3-286) PVR [CLOCK] PART123

3-29 3-307) VSB [VSB DECODER] PART1

3-31 3-328) VSB [DOWN CONVERTER] PART1

3-33 3-349) MICOM [DOWN CONVERTER] PART1

3-40 3-416. BLOCK DIAGRAMS1) OVERALL BLOCK DIAGRAM D-Sub 9-Pin CPU [PowerPC 405 GP] -SDRAM Controller -Peripheral Controller -PCI Bridge, Local

3-42 3-432) POWER BLOCK DIAGRAM12V REGBLOCKTO HDD5V12VFrom MainTO MAIN5.0VA12V5.0V3.3V5.4VPWR ON/OFF5.4V S/WBLOCK(Q151, R160, R161R162, Q152, R152R153

1-4SERVICING PRECAUTIONSCAUTION: Before servicing the HD PERSONAL VIDEORECORDER & RECEIVER covered by this service data andits supplements and add

3-44 3-453) SYSTEM BLOCK DIAGRAM16Mbyte 32Mbyte System Memor y 8M x 16 (4 bank ) Address (0:11) Data (0:16) BA0 BA1 DQM (0:1) VCC GND Data (16-31) B

3-46 3-474) VIDEO BLOCK DIAGRAM2M x 32 (4 bank ) Address (0:10) Data (0:31) BA0 BA1 DQM(0:3) VCC GNDCS /WE /CAS /RAS CLK 2M x 32 (4 bank ) Address (

3-48 3-49 HD-1 SYS_CLKVDP_CLKNTSC_CLKMAIN_PWMFR_RATE6027MHz SystemCPLDVCXO 27MHz 49FCT 3805 ICS621M Clock Buffer Clock Synthesis Control OutputBuffe

3-50 3-51PPC405GP CPU HD-1 Per_Data[0:7]STi4600 AC-3 Decoder 27MHz HD-1 PLL Per_Addr[0:7]/CS6PER_RW/PER_OE/RQ4System CPLDPES0_DATAPES0_STROBE/CS /WR

3-52 3-539V OSC 25MHz VSB SAW Filter X6965D IF Amplifier BF799 IF Amplifier BF799 SAW Filter X6931D IF In Down Converter UPC2798 VSB Decoder LG

3-54 3-558) PVR BLOCK DIAGRAM PDR-Pro 304 PQFP VSB_TP[0:7] &CLK PCI Bus 33MHz VSB_TP[0:7]& Control Signalsfrom VSB part ADR_B [0:10] PCI-IDE

3-56 3-577. CIRCUIT DIAGRAMS1) POWER CIRCUIT DIAGRAMNOTES) Symbol denotes AC ground.NOTES) Symbol denotes DC chassis ground.NOTES)

3-58 3-592) SYSTEM CIRCUIT DIAGRAM 1SMEM_DATAS_MEM-ADRPER_DATAPER_ADDRCPU CLOCKPCI BUS'03. 3. 15HDR230

3-60 3-613) SYSTEM CIRCUIT DIAGRAM 2PER-DATAPER-ADRTO CPUP8, P9P4'03. 3. 15HDR230PC_MUTE 11 : B5CA_SPDIF_MUTE 7 : B5/SYS_RESET_2 3:J2:5:B5:F2/STI

3-62 3-634) SYSTEM CIRCUIT DIAGRAM 3PER ADDRCLOCK, P3S MEM DATAS MEM ADDRPER DATA'03. 3. 15HDR230

1-5SPECIFICATIONSTelevision System NTSC, DTV standard (1080i, 720p, 480p, 480i)Channel Coverage Terrestrial: 2-69, Cable: 1-125Input/ OutputATSC ANT

3-64 3-655) VIDEO CIRCUIT DIAGRAM 1PESCLOCKPER-ADDRPER-DATAValid TP DATA/CLK'03. 3. 15HDR23027

6) VIDEO CIRCUIT DIAGRAM 2PER-ADDRVSB/PDR TP DATA, CLK, VALID TP DATA, CLK, VALID '03. 3. 15HDR2303-66 3-67

3-68 3-697) AUDIO CIRCUIT DIAGRAMP11PES P5DIGITAL AUDIOANALOG AUDIOPER-DATAPER-ADDRP6'03. 3. 15HDR230Q712KRA102SR774R77522Q713DGND3:K7 CA_SPDIF

3-70 3-718) PVR CIRCUIT DIAGRAM 1PDR DATA,CLOCK,VALIDPCI CLOCKPCI BUS(P2)VSBIN TP DATA,CLOCK,VALIDCLOCK SOURCE2'03. 3. 15HDR230

3-72 3-739) PVR CIRCUIT DIAGRAM 2CLOCK P3PCI BUS(P.2)VSB TP(Clock,valid,data)PDR TP(Clock,valid,data)VSBN TP(Clock,valid,data)'03. 3. 15HDR230

3-74 3-7510) VSB CIRCUIT DIAGRAMIFVSB TP Data, clock, error, valid'03. 3. 15HDR230DNS

3-76 3-7711) AUDIO/VIDEO OUTPUT CIRCUIT DIAGRAMD RGBHS/D RGB HSYBPbPPrGFROM P.7CVBS OUTY.OUTC.OUT'03. 3. 15HDR230BMK800BMK800BMK800BMK800BMK800BM

3-78 3-7912) POWER, IF, µ-COM, VIDEO CIRCUIT DIAGRAMCVBS OUTY.OUTC.OUT'03. 3. 15HDR230

3-80 3-8113) FRONT CIRCUIT DIAGRAMRIGHTLEFT'03. 3. 15HDR230

3-82 3-838. PRINTED CIRCUIT DIAGRAMS1) DIGITAL MAIN PRINTED CIRCUIT DIAGRAMS(TOP)

1-6REARAC Power CordANT LOOP OUTOUTPUT SELECTIONOPTICAL (Digital audio out jack) COAXIAL (Digital audio out jack) VIDEO OUTYPbPr OUTAUTHORIZED SERVICE

3-84 3-852) DIGITAL MAIN PRINTED CIRCUIT DIAGRAMS(BOTTOM)

3-86 3-873) KEY(LEFT) PRINTED CIRCUIT DIAGRAM4) KEY(RIGHT) PRINTED CIRCUIT DIAGRAMLOCATION GUIDE

3-88 3-895) POWER PRINTED CIRCUIT DIAGRAMLOCATION GUIDDE

4-1SECTION 4 REPLACEMENT PARTS LISTMODEL:(A)HDR230(ZENITH)RUN DATE:MAR.13.2003NSP:Not Service Part.CABINET & MAIN FRAME SECTIONS AL LOCA.NO PART N

4-2.ELECTRICAL SECTIONS AL LOCA.NO PART NO(LG) A DESCRIPTION SPECIFICATION REMARKSCAPACITOR C100 0CH8106F611 O CAPACITOR,CHIP[AL. ELECTROLYTI 10UF 16

4-3S AL LOCA.NO PART NO(LG) A DESCRIPTION SPECIFICATION REMARKS C138 0CH1104K512 O CAPACITOR,FIXED CERAMIC(Temp.c 0.1UF 50V 10% B(5YP) 1608 R/TP C13

4-4S AL LOCA.NO PART NO(LG) A DESCRIPTION SPECIFICATION REMARKS C189 0CH1104K512 O CAPACITOR,FIXED CERAMIC(Temp.c 0.1UF 50V 10% B(5YP) 1608 R/TP C19

4-5S AL LOCA.NO PART NO(LG) A DESCRIPTION SPECIFICATION REMARKS C258 0CC102CK41A O CAPACITOR,FIXED CERAMIC(TEMP.C 1000PF 1608 50V 5% R/TP NP0 C259 0

4-6S AL LOCA.NO PART NO(LG) A DESCRIPTION SPECIFICATION REMARKS C315 0CH1104K512 O CAPACITOR,FIXED CERAMIC(Temp.c 0.1UF 50V 10% B(5YP) 1608 R/TP C31

4-7S AL LOCA.NO PART NO(LG) A DESCRIPTION SPECIFICATION REMARKS C372 0CH1104K512 O CAPACITOR,FIXED CERAMIC(Temp.c 0.1UF 50V 10% B(5YP) 1608 R/TP C37

1-7MODENumbersDash (-)RECORD/EDITSTOPREPLAYLIVE TV/ENDTIMESHIFTComponent Control ButtonsMode indicatorTV/INPUTPOWERSELECT ( )Arrow Buttons ( / / /

4-8S AL LOCA.NO PART NO(LG) A DESCRIPTION SPECIFICATION REMARKS C442 0CH1104K512 O CAPACITOR,FIXED CERAMIC(Temp.c 0.1UF 50V 10% B(5YP) 1608 R/TP C44

4-9S AL LOCA.NO PART NO(LG) A DESCRIPTION SPECIFICATION REMARKS C521 0CH4151K412 O CAPA,CHIP CERAMIC M/L T.C F/S 150P 50V J COG 1.6X0.8 R/TP C522 0C

4-10S AL LOCA.NO PART NO(LG) A DESCRIPTION SPECIFICATION REMARKS C762 0CH4330K412 O CAPACITOR,CHIP[CERAMIC M/L TC 33P 50V J COG 1.6X0.8 R/TP C763 0C

4-11S AL LOCA.NO PART NO(LG) A DESCRIPTION SPECIFICATION REMARKS D143 0DR050008AA O DIODE,RECTIFIERS SD05.TC R/TP SEMTECH SOD323 5V D144 0DR050008AA

4-12S AL LOCA.NO PART NO(LG) A DESCRIPTION SPECIFICATION REMARKS IC146 0ICTMLG005A O IC,CUSTOMIZED LGDT3102 LG IC 80P HQFP TP AVS IC147 6200QL3001F

4-13S AL LOCA.NO PART NO(LG) A DESCRIPTION SPECIFICATION REMARKS F108 6200JB8009L O FILTER(CIRC),EMC EMC BMK800 50V 0.2A NIIGATA R/ F109 6200JB8009L

4-14S AL LOCA.NO PART NO(LG) A DESCRIPTION SPECIFICATION REMARKS L801 0LA0102K018 O INDUCTOR AXIAL LEAD 10M K 2.3X3.4 L5 TP LED103 0DL211009AA O L

4-15S AL LOCA.NO PART NO(LG) A DESCRIPTION SPECIFICATION REMARKS AR109 0RRZVTA001S O RESISTOR,DRAWING 3.3K OHM 1 / 16 W 3216 5% R/TP AR110 0RRZVTA00

4-16S AL LOCA.NO PART NO(LG) A DESCRIPTION SPECIFICATION REMARKS R138 0RH3301C622 O RESISTOR,METAL GLAZED(CHIP) 3.3K OHM 1 / 16 W 1608 5.00% D R139

4-17S AL LOCA.NO PART NO(LG) A DESCRIPTION SPECIFICATION REMARKS R227 0RH1002C622 O RESISTOR,METAL GLAZED(CHIP) 10K OHM 1 / 16 W 1608 5.00% D R231 0

2-1SECTION 2CABINET & MAIN CHASSISCONTENTSEXPLODED VIEWS ...

4-18S AL LOCA.NO PART NO(LG) A DESCRIPTION SPECIFICATION REMARKS R300 0RH5601C622 O RESISTOR,METAL GLAZED(CHIP) 5.6K OHM 1 / 16 W 1608 5.00% D R301

4-19S AL LOCA.NO PART NO(LG) A DESCRIPTION SPECIFICATION REMARKS R387 0RH4700C622 O RESISTOR,METAL GLAZED(CHIP) 470 OHM 1 / 16 W 1608 5.00% D R388 0

4-20S AL LOCA.NO PART NO(LG) A DESCRIPTION SPECIFICATION REMARKS R464 0RH4703C622 O RESISTOR,METAL GLAZED(CHIP) 470K OHM 1 / 16 W 1608 5.00% D R465

4-21S AL LOCA.NO PART NO(LG) A DESCRIPTION SPECIFICATION REMARKS R724 0RH7500C622 O RESISTOR,METAL GLAZED(CHIP) 750 OHM 1 / 16 W 1608 5.00% D R725 0

4-22S AL LOCA.NO PART NO(LG) A DESCRIPTION SPECIFICATION REMARKS R847 0RD2002F608 O RESISTOR,FIXED CARBON FILM 20K OHM 1/6 W 5% TA26 R848 0RD2001F60