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SH-D505

STI7000

MPEG 2
VIDEO DECODE
DISPLAY

FPGA

MATRIX

D/A

NTSC
ENCODE

LPF
AMP

STI4600

AC-3 DECODE

DIGITAL
I/F

OPTICAL
I/F

LPF
AMP

x 2)

D/A

Y/G
P

HDVD
1080i
720P
480P

480i

V/Y/C

L/R

SDRAM
16Mbyt
(64Mbit x 2)

COAX
OUT

OPT
OUT

POWER

A12V,A5V

D5V,D3V3,BU5V

POW-CON,FAN

Y.Cb.Cr(8*3)
H/VSYNC
CLK

D1( 8*1)
H/VSYNC
CLK

MDA 64b
MAA 12b
nWE,nCAS,nRAS
nCS0,nCS1,CLK
DQMA

MDA 8b
MAD 8b, R/W
nREQ,nSTRB
IRQ,nCS

nRST

CLK

Y/Cb/Cr 8b*3
H/VSYNC
CLK

Y/Cb/Cr 8b*2
H/VSYNC

nREQ,nIRQ
MDA 8b
MAD 8b
nCS,nCDSTR

PCM OUT

ML, MD, MC

I958 OUT

AS 4b,RAS 2b

MDA 32b
MAD 10b

nRST

CLK

ODE 4b

EPROM
512K Byt

nCS 1b
MDA 8b
BE2,BE3
MAD 16b

IC5217

IC5301

IC5302

GP5301

IC5304

IC5801

IC5802

IC5402-3

IC5401

207-8

IC5404

LPF
AMP

V-MUTE

A-MUTE

Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS

and PARTS LIST" or "PCB PARTS LIST".

Содержание SH-D505

Страница 1: ... FEB 2000 Printed in Japan THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL S AND TYPE S Type Model SH D505 Power Requirement Remarks KU AC120V 1 SAFETY INFORMATION 2 2 EXPLODED VIEWS AND PARTS LIST 3 3 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 6 4 PCB CONNECTION DIAGRAM 40 5 PCB PARTS LIST 46 6 ADJUSTMENT 61 CONTENTS 7 GENERAL INFORMATION 67 7 1 TROUBLE SHOOTING TABLE 67 7 2 CHASSIS LAYOUT 71 8 PANEL F...

Страница 2: ... evident from visual inspection nor the protection afforded by them necessarily can be obtained by using replacement components rated for voltage wattage etc Replacement parts which have these special safety characteristics are identified in this Service Manual Electrical components having such features are identified by marking with a on the schematics and on the parts list in this Service Manual...

Страница 3: ...rd Battery Wrap the AC power cord with the top mirror foil Apply the tape onto the bottom mirror foil the AC power cord mirror foil and the Operation Manual bag Do not apply the tape direct on the AC power cord The packing case top is tape sealed Packing Case Bar Code Serial No Label Front 2 1 PACKING ACCESSORIES RRMCG1528CESA Remote Control TiNS 6851MEZZ Instruction Manual English ADF1011 RCA Pin...

Страница 4: ...D E A F G F G J H I 1 7 1 1 42 2 2 3 2 2 2 5 2 4 20 24 26 44 7 2 1 1 3 1 4 26 39 21 18 10 15 13 41 8 19 43 11 9 35 11 37 26 22 12 26 20 16 47 24 23 23 6 36 42 23 23 23 1 5 1 5 38 38 14 20 1 6 1 7 1 2 34 23 23 4 4 5 23 29 28 31 33 32 27 45 46 17 5 3 5 25 ...

Страница 5: ...7 QCNW 5378MEZZ Connecting Cord NSP 28 QCNW 5380MEZZ Connecting Cord NSP 29 QCNW 5381MEZZ Connecting Cord EXTERIOR SECTION PARTS LIST Ref No Part No Description Ref No Part No Description ASSY PARTS Supplied As Service Parts MAIN UNIT IC5101 RH iX3321CEN0 IC U COM IC5222 RH iX3330CEN0 IC ROM S5102 QSW S0262GEZZ Switch S5103 QSW S0173CEZZ Switch F5703 QFS L1621CEZZ Fuse 1 6A F5709 QFS L1621CEZZ Fus...

Страница 6: ... MDA 8b MAD 8b R W nREQ nSTRB IRQ nCS n CLK IN TSD 8b TSVAL CLK LOCK ERROR EQ PSYNC nREQ n MDA 8b MAD 8b nCS nC nCS 2b MDA 32b MAD 19b nRST nWE CAS 4b RAS 2b nWE MDA 32b MAD 10b n n RST PWM MODE 4b CLK DONE nCON nSTATUS DATA TDO TDI TCK TMS JnRST JnREST ST20ERR IIC 3 JnRSET MREQ INT BUSY TXD RXD BUG FIX 25Pin D sub EP 51 IC5216 P5201 IC5 IC5201 IC5211 3 IC5207 8 IC5203 6 IC5101 X5202 IC5002 X5001 ...

Страница 7: ... CLK D1 8 1 H VSYNC CLK MDA 64b MAA 12b nWE nCAS nRAS nCS0 nCS1 CLK DQMA MDA 8b MAD 8b R W nREQ nSTRB IRQ nCS nRST CLK Y Cb Cr 8b 3 H VSYNC CLK Y Cb Cr 8b 2 H VSYNC nREQ nIRQ MDA 8b MAD 8b nCS nCDSTR PCM OUT ML MD MC I958 OUT AS 4b RAS 2b WE MDA 32b MAD 10b nRST nRST ST CLK CLK ODE 4b EPROM 512K Byt nCS 1b MDA 8b BE2 BE3 MAD 16b IC5217 IC5301 IC5302 GP5301 IC5304 IC5801 IC5802 IC5402 3 IC5401 207 ...

Страница 8: ...M JTAG DIGITAL EXPANSION PORT EEP ROM IIC 2 IIC 1 VCXO 10 7M RST RST CLK IIC 3 EPROM 512Kbyt RF SW AIR CABLE R C POW DTV 480I MENU DTV OUT SW SIGNAL SELECT SW 1080i 720P 480P YPbPr RGB SELECT A B C D F N RUNTK0658CEZZ DUNTK9980 DUNTK9981 P5772 B 5V LED0 LED1 KEY0 KEY1 KEY2 R C HD IN GND GND UP GRADE PORT P5005 P5102 P5101 P5771 U ART SC5202 SW 3 2 OVERALL CONNECTION DIAGRAM ...

Страница 9: ... F OPTICAL I F LPF AMP SDRAM 16M Byt D A SDRAM 16Mbyt T RST CLK EPROM 512Kbyt POWER RDENC0291CEZZ HD VD Y C PB B PR R Y PB PR V Y C V L R DIGITAL OUT OPTICAL OUT L R SELECT A B C D FAN NFANR0103CEZZ BU5V AGND FANM ON LPF AMP A12V D5V D3V3 DGND DGND POWERSW A12V A5V AGND AGND DUNTK9979 DUNTK9982 QACCU3034CEZZ P5703 P5701 P5702 P5803 P5771 P5772 ...

Страница 10: ...TOR 1 The unit of resistance Ω is omitted K kΩ 1000 Ω M MΩ 2 All resistors are 5 unless otherwise noted J 5 F 1 D 0 5 3 All resistors are 1 16W unless otherwise noted CAPACITOR 1 All capacitors are µF unless otherwise noted P pF µµF CAUTION This circuit diagram is original one therefore there may be a slight difference from yours SAFETY NOTES 1 DISCONNECT THE AC PLUG FROM THE AC OUTLET BEFORE REPL...

Страница 11: ...SH D505 11 A B C D 5 6 7 8 5 6 7 8 ...

Страница 12: ...SH D505 12 A B C D 1 2 3 4 1 2 3 4 3 3 MAIN 1 13 MAIN UNIT 1 13 ...

Страница 13: ...SH D505 13 A B C D 5 6 7 8 5 6 7 8 ...

Страница 14: ...SH D505 14 A B C D 1 2 3 4 1 2 3 4 3 4 MAIN 2 13 MAIN UNIT 2 13 ...

Страница 15: ...SH D505 15 A B C D 5 6 7 8 5 6 7 8 ...

Страница 16: ...SH D505 16 A B C D 1 2 3 4 1 2 3 4 3 5 MAIN 3 13 MAIN UNIT 3 13 ...

Страница 17: ...SH D505 17 A B C D 5 6 7 8 5 6 7 8 ...

Страница 18: ...SH D505 18 A B C D 1 2 3 4 1 2 3 4 3 6 MAIN 4 13 MAIN UNIT 4 13 ...

Страница 19: ...SH D505 19 A B C D 5 6 7 8 5 6 7 8 ...

Страница 20: ...SH D505 20 A B C D 1 2 3 4 1 2 3 4 3 7 MAIN 5 13 MAIN UNIT 5 13 ...

Страница 21: ...SH D505 21 A B C D 1 2 3 4 1 2 3 4 MAIN UNIT 6 13 3 8 MAIN 6 13 ...

Страница 22: ...SH D505 22 A B C D 1 2 3 4 1 2 3 4 MAIN UNIT 7 13 3 9 MAIN 7 13 ...

Страница 23: ...SH D505 23 A B C D 5 6 7 8 5 6 7 8 ...

Страница 24: ...SH D505 24 A B C D 1 2 3 4 1 2 3 4 3 10 MAIN 8 13 MAIN UNIT 8 13 ...

Страница 25: ...SH D505 25 A B C D 5 6 7 8 5 6 7 8 ...

Страница 26: ...SH D505 26 A B C D 1 2 3 4 1 2 3 4 MAIN UNIT 9 13 3 11 MAIN 9 13 ...

Страница 27: ...SH D505 27 A B C D 5 6 7 8 5 6 7 8 ...

Страница 28: ...SH D505 28 A B C D 1 2 3 4 1 2 3 4 MAIN UNIT 10 13 3 12 MAIN 10 13 ...

Страница 29: ...SH D505 29 A B C D 5 6 7 8 5 6 7 8 ...

Страница 30: ...SH D505 30 A B C D 1 2 3 4 1 2 3 4 MAIN UNIT 11 13 3 13 MAIN 11 13 ...

Страница 31: ...SH D505 31 A B C D 5 6 7 8 5 6 7 8 ...

Страница 32: ...SH D505 32 A B C D 1 2 3 4 1 2 3 4 MAIN UNIT 12 13 3 14 MAIN 12 13 ...

Страница 33: ...SH D505 33 A B C D 5 6 7 8 5 6 7 8 ...

Страница 34: ...SH D505 34 A B C D 1 2 3 4 1 2 3 4 3 15 MAIN 13 13 MAIN UNIT 13 13 ...

Страница 35: ...SH D505 35 A B C D 5 6 7 8 5 6 7 8 ...

Страница 36: ...SH D505 36 A B C D 1 2 3 4 1 2 3 4 3 17 CONTROL UNIT R C UNIT ASSY CONTROL UNIT ASSY 3 16 R C UNIT ...

Страница 37: ...SH D505 37 A B C D 1 2 3 4 1 2 3 4 SIGNAL OUT UNIT ASSY 3 18 SIGNAL OUT UNIT ...

Страница 38: ...SH D505 38 A B C D 1 2 3 4 1 2 3 4 3 19 POWER UNIT L N FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE AND RATINGS ONLY CAUTION NOTE FOR FUSE REPLACEMENT ...

Страница 39: ...SH D505 39 A B C D 5 6 7 8 5 6 7 8 ...

Страница 40: ...ll necessary parts for several destinations For further information for respective destinations be sure to check with the schematic diagram 4 View point of PCB diagrams Symbol In PCB Diagrams Symbol In Schematic Diagrams Part Name B C E D D G G S S B C E B C E D G S B C E B C E B C E Transistor Transistor with resistor Field effect transistor Resistor array 3 terminal regulator Capacitor Connector...

Страница 41: ...SH D505 41 A B C D 1 2 3 4 1 2 3 4 SIGNAL OUT UNIT CONTROL UNIT R C UNIT SIDE A 4 2 R C UNIT CONTROL UNIT and SIGNAL OUT UNIT SIDE A SIDE A ...

Страница 42: ...SH D505 42 A B C D 1 2 3 4 1 2 3 4 MAIN UNIT 4 3 MAIN UNIT ...

Страница 43: ...SH D505 43 A B C D 5 6 7 8 5 6 7 8 SIDE A ...

Страница 44: ...SH D505 44 A B C D 1 2 3 4 1 2 3 4 MAIN UNIT ...

Страница 45: ...SH D505 45 A B C D 5 6 7 8 5 6 7 8 SIDE B ...

Страница 46: ...SH D505 46 NOTE The parts listed at page 47 to page 60 are not supplied as service parts ...

Страница 47: ... Sw INTEGRATED CIRCUITS IC5001 VHiTK11819M 1 TK11819MTL IC5002 RH iX3319CEZZ GDC21D003 IC5003 VHiTCACT541 1 TC74ACT541F IC5004 VHiTCLCX04F 1 TC74LCX04F IC5006 VHiTC7S04F 1 TC7S04F IC5051 VHiKA7809Pi 1 KIA7809PI IC5053 VHiKA7809Pi 1 KIA7809PI IC5054 VHiKA7805Pi 1 KIA7805PI IC5101 RH iX3321CEN0 TMP87PS38N IC5102 VHiPST600DM 1 PST600DMT IC5105 VHiTC7W04F 1 TC7W04F IC5201 RH iX3292CEZZ ST20TP4CX50S IC...

Страница 48: ... Q5807 VS2SA1530AR 1 TRANSISTOR Q5808 VS2SC3928AR 1 TRANSISTOR Q5809 VS2SA1530AR 1 TRANSISTOR Q5810 VS2SC3928AR 1 TRANSISTOR Q5811 VS2SA1530AR 1 TRANSISTOR Q5812 VS2SC3928AR 1 TRANSISTOR Q5816 VS2SA1530AR 1 TRANSISTOR Q5817 VS2SC3928AR 1 TRANSISTOR Q5818 VS2SA1530AR 1 TRANSISTOR Q5819 VS2SC3928AR 1 TRANSISTOR Q5820 VS2SA1530AR 1 TRANSISTOR Q5821 VS2SC3928AR 1 TRANSISTOR Q5822 VSDTC124EK 1 TRANSIST...

Страница 49: ...KYCY1CF104Z 0 1 16V Ceramic C5018 VCKYCY1CF104Z 0 1 16V Ceramic C5019 VCKYTV1CB474K 0 47 16V Ceramic C5020 VCKYCY1CF104Z 0 1 16V Ceramic C5021 VCKYCY1CF104Z 0 1 16V Ceramic C5022 VCKYCY1CF104Z 0 1 16V Ceramic C5023 VCKYCY1CF104Z 0 1 16V Ceramic C5024 VCKYCY1CF104Z 0 1 16V Ceramic C5025 VCKYCY1CF104Z 0 1 16V Ceramic C5026 VCKYCY1CF104Z 0 1 16V Ceramic C5027 VCKYCY1CF104Z 0 1 16V Ceramic C5028 VCKYC...

Страница 50: ...16V Ceramic C5259 VCKYCY1CF104Z 0 1 16V Ceramic C5260 VCKYCY1CF104Z 0 1 16V Ceramic C5261 VCEAPF0JW107M 100 6 3V Electrolytic C5301 VCKYCY1CF104Z 0 1 16V Ceramic C5302 VCKYCY1CF104Z 0 1 16V Ceramic C5303 VCKYCY1CF104Z 0 1 16V Ceramic C5304 VCKYCY1CF104Z 0 1 16V Ceramic C5305 VCKYCY1CF104Z 0 1 16V Ceramic C5306 VCCCCY1HH331J 330p 50V Ceramic C5307 VCKYCY1CF104Z 0 1 16V Ceramic C5308 VCCCCY1HH100D 1...

Страница 51: ...eramic C5461 VCKYCY1CF104Z 0 1 16V Ceramic C5462 VCKYCY1CF104Z 0 1 16V Ceramic C5463 VCKYCY1CF104Z 0 1 16V Ceramic C5464 VCKYCY1CF104Z 0 1 16V Ceramic C5465 VCKYCY1CF104Z 0 1 16V Ceramic C5466 VCKYCY1CF104Z 0 1 16V Ceramic C5467 VCKYCY1CF104Z 0 1 16V Ceramic C5468 VCKYCY1CF104Z 0 1 16V Ceramic C5469 VCKYCY1CF104Z 0 1 16V Ceramic C5470 VCKYCY1CF104Z 0 1 16V Ceramic C5471 VCKYCY1CF104Z 0 1 16V Ceram...

Страница 52: ...Oxide R5031 VRS CY1JF330J 33 1 16W Metal Oxide R5032 VRS CY1JF330J 33 1 16W Metal Oxide R5033 VRS CY1JF330J 33 1 16W Metal Oxide R5034 VRS CY1JF330J 33 1 16W Metal Oxide R5035 VRS CY1JF330J 33 1 16W Metal Oxide R5036 VRS CY1JF330J 33 1 16W Metal Oxide R5037 VRS CY1JF330J 33 1 16W Metal Oxide R5038 VRS CY1JF000J 00 1 16W Metal Oxide R5039 VRS CY1JF000J 00 1 16W Metal Oxide R5040 VRS CY1JF102J 1 0k ...

Страница 53: ... Oxide R5169 VRS CY1JF103J 10k 1 16W Metal Oxide R5170 VRS CY1JF103J 10k 1 16W Metal Oxide R5173 VRS CY1JF000J 00 1 16W Metal Oxide R5201 VRS CY1JF103J 10k 1 16W Metal Oxide R5202 VRS CY1JF103J 10k 1 16W Metal Oxide R5206 VRS CY1JF182J 1 8k 1 16W Metal Oxide R5207 VRS CY1JF182J 1 8k 1 16W Metal Oxide R5208 VRS CY1JF000J 00 1 16W Metal Oxide R5209 VRS CY1JF000J 00 1 16W Metal Oxide R5210 VRS CY1JF6...

Страница 54: ...6W Metal Oxide R5319 VRS CY1JF471J 470 1 16W Metal Oxide R5320 VRS CY1JF000J 00 1 16W Metal Oxide R5321 VRS CY1JF222J 2 2k 1 16W Metal Oxide R5322 VRS CY1JF222J 2 2k 1 16W Metal Oxide R5324 VRS CY1JF103J 10k 1 16W Metal Oxide R5325 VRS CY1JF221J 220 1 16W Metal Oxide R5331 VRS CY1JF821J 820 1 16W Metal Oxide R5332 VRS TV1JD473J 47k 1 16W Metal Oxide R5333 VRS CY1JF222J 2 2k 1 16W Metal Oxide R5335...

Страница 55: ...Metal Oxide R5488 VRS CY1JF680J 68 1 16W Metal Oxide R5489 VRS CY1JF680J 68 1 16W Metal Oxide R5490 VRS CY1JF680J 68 1 16W Metal Oxide R5491 VRS CY1JF680J 68 1 16W Metal Oxide R5492 VRS CY1JF680J 68 1 16W Metal Oxide R5493 VRS CY1JF680J 68 1 16W Metal Oxide R5494 VRS CY1JF103J 10k 1 16W Metal Oxide R5495 VRS CY1JF103J 10k 1 16W Metal Oxide R5496 VRS CY1JF103J 10k 1 16W Metal Oxide R5497 VRS CY1JF1...

Страница 56: ...734 VRS TV1JD000J 00 1 16W Metal Oxide R5735 VRS TV1JD000J 00 1 16W Metal Oxide R5736 VRS TV1JD000J 00 1 16W Metal Oxide R5737 VRS TV1JD000J 00 1 16W Metal Oxide R5738 VRS TV1JD000J 00 1 16W Metal Oxide R5739 VRS TV1JD000J 00 1 16W Metal Oxide R5740 VRS TV1JD000J 00 1 16W Metal Oxide R5741 VRS TV1JD000J 00 1 16W Metal Oxide R5742 VRS TV1JD000J 00 1 16W Metal Oxide R5743 VRS TV1JD000J 00 1 16W Meta...

Страница 57: ...e R5895 VRS CY1JF681J 680 1 16W Metal Oxide R5896 VRS CY1JF391J 390 1 16W Metal Oxide R5897 VRS CY1JF392J 3 9k 1 16W Metal Oxide R5911 VRS CY1JF101J 100 1 16W Metal Oxide R5912 VRS CY1JF102J 1 0k 1 16W Metal Oxide R5913 VRS CY1JF102J 1 0k 1 16W Metal Oxide R5914 VRS CY1JF101J 100 1 16W Metal Oxide R5915 VRS CY1JF102J 1 0k 1 16W Metal Oxide R5916 VRS CY1JF102J 1 0k 1 16W Metal Oxide R5918 VRS CY1JF...

Страница 58: ...AZZ Balun FB5811 RBLN 0049TAZZ Balun J5103 QJAKA0010CEZZ Jack J5104 QJAKA0010CEZZ Jack J5301 VHPGP1F32T 1 Photodiode J5802 QTANJ1019CEZZ Terminal P5003 QPLGN0541CEZZ Plug P5005 QPLGN0213GEZZ Plug P5101 QPLGN0341CEZZ Plug P5102 QPLGN0741CEZZ Plug P5201 QPLGN0450FJZZ Plug P5701 QPLGN0667GEZZ Plug P5702 QPLGN0467GEZZ Plug P5703 QPLGN0341CEZZ Plug P5803 QPLGN1041CEZZ Plug SC5101 QSOCZ4234GEZZ Socket S...

Страница 59: ...EZZ POWER UNIT INTEGRATED CIRCUITS IC701 9FJ0F09001050 FA5315 IC702 9FJ0F01102400 PQ12RD11 IC703 9FJ0F01102410 PQ5EV3 IC704 9FJ0F01102420 PQ05RD21 IC705 9FJ0F01102440 PQ05RD08 IC706 9FJ0F01102001 uPC1093J TRANSISTORS Q701 9FJ0Q11001560 2SK2475 Q702 9FJ0Q09001021 RN1201T DIODES D701 9FJ0D13001153 D4SB80F08 D702 9FJ0D01010035 TVR5J D703 9FJ0D01010085 AL01ZV0 D704 9FJ0D01001115 AG01ZV0 D705 9FJ0D2301...

Страница 60: ...47µF C711 9FJ0C11001015 Film 50V 0 033µF C712 9FJ0C01502305 Electrolytic 50V 47µF C713 9FJ0C50010385 Ceramic 1KV 1000PF C714 9FJ0C01302093 Electrolytic 25V 1000µF C715 9FJ0C01101963 Electrolytic 10V 3300µF C716 9FJ0C01202425 Electrolytic 16V 100µF C718 9FJ0C01202485 Electrolytic 50V 47µF C719 9FJ0C50010385 Ceramic 1KV 1000PF C720 9FJ0C01101963 Electrolytic 10V 3300µF C721 9FJ0C01102015 Electrolyti...

Страница 61: ...e set is switched on in the normal mode Serviceman mode This model is equipped with the serviceman mode for a repairman to get the information that is effective in servicing the set in the field The serviceman mode consists of two modes service mode to show the reception condition of tuner and VSB system and check mode to indicate the automatic check results 1 Calling the serviceman mode 1 Hold do...

Страница 62: ... the service mode In the service mode channels can be selected just directly or with the CH UP DOWN keys Any other ways channel selection are impossible The usual on screen display does not appear either 3 Information displayed in the service mode V1 01 Indicates the version of the software installed in the set Make sure the program version is up to date CH Indicates the channel that is being sele...

Страница 63: ...ly affected by errors Image freezes or interrupted sound may occur e More than 100 errors Picture and sound cannot be outputted The figures shown below the bars indicate the numbers of packet errors for 20 seconds This model cannot receive video and audio signals clearly if the following conditions are met VSB LOCK VSB MODE 8VSB SI GET OK PACKET ERROR level at a or b AGC Shows the tuner AGC voltag...

Страница 64: ...casts ON Yes OFF No SERVICE MODE 4 V CH Air Cable GPS yy mm dd hh mm ss Off Set 00000 65536 Daylight Saving ON OFF CC YES NO SERVICE MODE 3 Tells that the set is in the service mode 3 SERVICE MODE 3 screen V1 01 and CH The same as with the service mode 1 SI PSIP Shows which the set is receiving SI or PSIP NO STREAM is indicated when unlocked FORMAT Indicates the numbers of horizontal and vertical ...

Страница 65: ...essor NG Indicates that ST20 fails to communicate with the R C unit s microprocessor ROM Indicates the condition of ROM OK Indicates that the memory area has been confirmed NG Indicates that the memory area has not been confirmed FLASH Indicates the condition of the flash OK Indicates that the flash is read correctly NG Indicates that the fixed values on the flash are not correctly read TUNER Chec...

Страница 66: ...e system fails to read and write Video Checks the video decoder s read write performance via ST20 OK Indicates that the video decoder can read and write properly NG Indicates that the video decoder fails to read and write Audio Checks the audio decoder s read write performance via ST20 OK Indicates that the audio decoder can read and write properly NG Indicates that the audio decoder fails to read...

Страница 67: ... unit and the front panel are on power Is there 5V signal at pin 1 of P5102 on the main PWB Check the microprocessor circuit IC5101 and its peripheral circuits Check the power PWB YES YES YES NO NO Power LED flashing The LED starts flashing if the fan at the back is interrupted or if the ST20 IC5201 gets in trouble Is the fan at a stop power LED and DTV 480I LED alternately flashing Check the fan ...

Страница 68: ...displayed on screen antenna cable properly connected reception condition by HDTV indicator on front panel Is the HDTV indicator either on or off not flashing YES YES YES NO NO NO 1 Slow flashing There is no DTV program available for a selected major channel or if any the signal reception condition is too bad to receive clearly Select another channel with DTV signal and try again 2 Quick flashing T...

Страница 69: ... flashing or stays on in red it means the reception condition is bad with many errors Because of poor reception condition DTV programs may be affected by the VSB out of lock D5002 off or reception error D5001 on or flashing Possible causes include that signals being received by the antenna are too weak or too strong that received signals contain remarkable ghost and other interference A Make sure ...

Страница 70: ...dio output video output available No analog audio output No digital audio output YES YES NO NO Is digital audio output okay amplifier of AC 3 decoder to be connected Is analog audio output okay Check the PCM decoder IC5302 and Amp IC5305 Check the audio decoder IC5301 Check J5301 photo output and IC5303 IC5304 Check the audio decoder IC5301 Note For playing back the digital audio on the Dolby AC 3...

Страница 71: ...SH D505 71 7 2 CHASSIS LAYOUT MAIN UNIT DUNTK9979FM03 MAIN UNIT ...

Страница 72: ...SH D505 72 R C UNIT DUNTK9980WE03 SIGNAL OUT UNIT DUNTK9982WE03 CONTROL UNIT DUNTK9981WE03 R C UNIT CONTROL UNIT SIGNAL OUT UNIT ...

Страница 73: ...CH RETURN button Returns to previous channel AIR CABLE button Used to switch to AIR CABLE as an input source POWER button Turns power on and off for Digital Tuner Cursor buttons Used to move cursor on menu screen and the channel list INFO button Displays Info Banner VOL Volume buttons Used to control volume level for the current analog TV broadcast MENU button Turns menu screen on and off CH LIST ...

Страница 74: ... Audio Out Optical SR Control Audio Out Digital Expansion Port For future expansion 480I NTSC Component Out 1080I 720P 480P RGB Out 1080I 720P 480P Component Out RGB Component Switch Used to select either BNC output pin RGB output or component output DTV Out Switch Use when connecting to a 1080I 720P or 480P television CABLE Antenna In ...

Страница 75: ...tive sync on 75 Ω PB PR 0 35 Vp p Non sync 75 Ω Y 1 0 Vp p Negative sync on 75 Ω C Burst 0 286 Vp p 75 Ω Composite Video 1 0 Vp p Negative sync on 75 Ω Audio Output 1 8 Vrms 1 kHz 0 dB L R Output connector Pin jack Optical digital output Optical connector Pin jack Cabinet Front Plastic Top Bottom Metal Upgrade port For expansion input devices Digital expansion port For expansion input devices Dime...

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