Daewoo DSI-9100 Service Manual Download Page 74

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ELECTRICAL PARTSLIST

LOC

PARTS-CODE

PARTS-NAME

PARTS-DESCRIPTION

REMARK

R607

HRFT000-CA

R CHIP

1/10 0 OHM 2012

R608

RD-AZ512J-

R CARBON FILM

1/6 5.1K OHM J

R608

HRFT000-CA

R CHIP

1/10 0 OHM 2012

R609

HRFS000-BA

R CHIP

1/16 0 OHM 1608

R610

85801060TA

WIRE COPPER

0.6X52MM TAPING

R610

HRFS121JBA

R CHIP

1/16 120 OHM J 1608

R611

HRFS750JBA

R CHIP

1/16 75 OHM J 1608

R611

HRFS470JBA

R CHIP

1/16 47 OHM J 1608

R612

HRFS470JBA

R CHIP

1/16 47 OHM J 1608

R613

HRFS470JBA

R CHIP

1/16 47 OHM J 1608

R614

RD-AZ750J-

R CARBON FILM

1/6 75 OHM J

R614

HRFS470JBA

R CHIP

1/16 47 OHM J 1608

R615

HRFS750JBA

R CHIP

1/16 75 OHM J 1608

R615

HRFS470JBA

R CHIP

1/16 47 OHM J 1608

R616

HRFS470JBA

R CHIP

1/16 47 OHM J 1608

R617

HRFS103JBA

R CHIP

1/16 10K OHM J 1608

R618

85801060TA

WIRE COPPER

0.6X52MM TAPING

R618

HRFS103JBA

R CHIP

1/16 10K OHM J 1608

R619

HRFS750JBA

R CHIP

1/16 75 OHM J 1608

R619

HRFS103JBA

R CHIP

1/16 10K OHM J 1608

R620

HRFS103JBA

R CHIP

1/16 10K OHM J 1608

R621

HRFS470JBA

R CHIP

1/16 47 OHM J 1608

R622

HRFS470JBA

R CHIP

1/16 47 OHM J 1608

R623

HRFS470JBA

R CHIP

1/16 47 OHM J 1608

R624

HRFS470JBA

R CHIP

1/16 47 OHM J 1608

R625

HRFS470JBA

R CHIP

1/16 47 OHM J 1608

R626

HRFS121JBA

R CHIP

1/16 120 OHM J 1608

R627

HRFS470JBA

R CHIP

1/16 47 OHM J 1608

R628

HRFS470JBA

R CHIP

1/16 47 OHM J 1608

R629

HRFS470JBA

R CHIP

1/16 47 OHM J 1608

R630

HRFS470JBA

R CHIP

1/16 47 OHM J 1608

R631

HRFS470JBA

R CHIP

1/16 47 OHM J 1608

R632

HRFS470JBA

R CHIP

1/16 47 OHM J 1608

R633

HRFS103JBA

R CHIP

1/16 10K OHM J 1608

R634

HRFS103JBA

R CHIP

1/16 10K OHM J 1608

R635

HRFS103JBA

R CHIP

1/16 10K OHM J 1608

R636

HRFS103JBA

R CHIP

1/16 10K OHM J 1608

R637

HRFS103JBA

R CHIP

1/16 10K OHM J 1608

R670

RD-4Z751J-

R CARBON FILM

1/4 750 OHM J

R671

RD-4Z751J-

R CARBON FILM

1/4 750 OHM J

R677

RD-AZ221J-

R CARBON FILM

1/6 220 OHM J

R678

RD-AZ221J-

R CARBON FILM

1/6 220 OHM J

R679

RD-AZ221J-

R CARBON FILM

1/6 220 OHM J

R701

RD-AZ100J-

R CARBON FILM

1/6 10 OHM J

R701

HRFS821JBA

R CHIP

1/16 820 OHM J 1608

R702

RD-AZ331J-

R CARBON FILM

1/6 330 OHM J

HI-FI

R702

HRFS120JBA

R CHIP

1/16 12 OHM J 1608

R703

HRFS829JBA

R CHIP

1/16 8.2 OHM J 1608

R704

HRFS221JBA

R CHIP

1/16 220 OHM J 1608

R705

HRFS222JBA

R CHIP

1/16 2.2K OHM J 1608

R706

HRFS750JBA

R CHIP

1/16 75 OHM J 1608

R707

HRFS821JBA

R CHIP

1/16 820 OHM J 1608

R708

HRFS120JBA

R CHIP

1/16 12 OHM J 1608

R709

HRFS829JBA

R CHIP

1/16 8.2 OHM J 1608

R710

HRFS221JBA

R CHIP

1/16 220 OHM J 1608

LOC

PARTS-CODE

PARTS-NAME

PARTS-DESCRIPTION

REMARK

R711

HRFS222JBA

R CHIP

1/16 2.2K OHM J 1608

R712

HRFS750JBA

R CHIP

1/16 75 OHM J 1608

R713

HRFS821JBA

R CHIP

1/16 820 OHM J 1608

R714

HRFS120JBA

R CHIP

1/16 12 OHM J 1608

R715

HRFS829JBA

R CHIP

1/16 8.2 OHM J 1608

R716

HRFS221JBA

R CHIP

1/16 220 OHM J 1608

R717

HRFS222JBA

R CHIP

1/16 2.2K OHM J 1608

R718

HRFS750JBA

R CHIP

1/16 75 OHM J 1608

R719

HRFS821JBA

R CHIP

1/16 820 OHM J 1608

R720

HRFS120JBA

R CHIP

1/16 12 OHM J 1608

R721

HRFS829JBA

R CHIP

1/16 8.2 OHM J 1608

R722

HRFS331JBA

R CHIP

1/16 330 OHM J 1608

R723

HRFS222JBA

R CHIP

1/16 2.2K OHM J 1608

R724

HRFS750JBA

R CHIP

1/16 75 OHM J 1608

R725

HRFS103JBA

R CHIP

1/16 10K OHM J 1608

R726

HRFS183JBA

R CHIP

1/16 18K OHM J 1608

R727

HRFS822JBA

R CHIP

1/16 8.2K OHM J 1608

R728

HRFS560JBA

R CHIP

1/16 56 OHM J 1608

R729

HRFS560JBA

R CHIP

1/16 56 OHM J 1608

R730

HRFS560JBA

R CHIP

1/16 56 OHM J 1608

R731

HRFS560JBA

R CHIP

1/16 56 OHM J 1608

R732

HRFS103JBA

R CHIP

1/16 10K OHM J 1608

R733

HRFS103JBA

R CHIP

1/16 10K OHM J 1608

R734

HRFS103JBA

R CHIP

1/16 10K OHM J 1608

R735

HRFS103JBA

R CHIP

1/16 10K OHM J 1608

R736

HRFS561JBA

R CHIP

1/16 560 OHM J 1608

R737

HRFS274JBA

R CHIP

1/16 270K OHM J 1608

R738

HRFS103JBA

R CHIP

1/16 10K OHM J 1608

R739

HRFS561JBA

R CHIP

1/16 560 OHM J 1608

R740

HRFS274JBA

R CHIP

1/16 270K OHM J 1608

R741

HRFS103JBA

R CHIP

1/16 10K OHM J 1608

R742

HRFS330JBA

R CHIP

1/16 33 OHM J 1608

R801

RC-2Z565KP

R CARBON COMP

1/2 5.6M OHM K

R802

RW02B229J-

R WIRE WOUND

2W 2.2 OHM J

R803

RD-4Z333J-

R CARBON FILM

1/4 33K OHM J

R804

RD-4Z473J-

R CARBON FILM

1/4 47K OHM J

R805

HRFS680JBA

R CHIP

1/16 68 OHM J 1608

R806

RS02Z473JS

R M-OXIDE FILM

2W 47K OHM J SMALL

R807

HRFS121JBA

R CHIP

1/16 120 OHM J 1608

R808

RD-AZ221J-

R CARBON FILM

1/6 220 OHM J

R809

RS01Z330JS

R M-OXIDE FILM

1W 33 OHM J SMALL(TP)

R821

RD-AZ472J-

R CARBON FILM

1/6 4.7K OHM J

R822

RD-AZ472J-

R CARBON FILM

1/6 4.7K OHM J

R824

RD-AZ201J-

R CARBON FILM

1/6 200 OHM J

R825

RN-AZ182F-

R METAL FILM

1/6 1.8K OHM F

R826

RN-AZ182F-

R METAL FILM

1/6 1.8K OHM F

R827

HRFS102JBA

R CHIP

1/16 1K OHM J 1608

R828

RD-4Z622J-

R CARBON FILM

1/4 6.2K OHM J

R831

RD-AZ221J-

R CARBON FILM

1/6 220 OHM J

R832

RD-AZ182J-

R CARBON FILM

1/6 1.8K OHM J

R901

HRFS470JBA

R CHIP

1/16 47 OHM J 1608

R902

HRFS470JBA

R CHIP

1/16 47 OHM J 1608

R903

HRFS470JBA

R CHIP

1/16 47 OHM J 1608

R904

HRTS8E470J

R CHIP ARRAY

1/16 8P 47 OHM 3216

R905

HRTS8E470J

R CHIP ARRAY

1/16 8P 47 OHM 3216

Summary of Contents for DSI-9100

Page 1: ...ist in Service Information Center http svc dwe co kr DAEWOO ELECTRONICS Corp July 2004 http svc dwe co kr Service Manual Digital Satellite Receiver VCR COMBO MODEL DSI 9100 DSI 9200 DSI 9300 DSI 9400 EJECT INPUT MUTE TV VCR 1 4 7 2 5 8 0 3 6 9 UHF MENU VOL VOL CH TRK CH TRK EXIT REW REC SAT AUDIO INDEX EPG FREEZE SLOW INFO TV RADIO RECALL 30 STOP FF SP LP PLAY PAUSE Pg UP Pg DOWN TEXT OK CH LI S T...

Page 2: ...SPECIFICATION 2 ADVANTAGES OF THIS PRODUCT 3 SCHEMATIC DIAGRAM 4 CIRCUIT INFORMATION 14 TROUBLE SHOOTING 38 PCB CIRCUIT BOARD 58 INSTRUMENT DISASSEMBLY 60 ELECTRICAL PARTSLIST 64 1 CONTENTS ...

Page 3: ...n Level Resolution 720 x 576 pixels for PAL Aspect ratio 4 3 Audio format MPEG Layer I and II Channel Mode Stereo Mono Mode Audio Signal Sample Rate 32 44 1 48 Ksps Audio Signal bandwidth 15Hz 20KHz Bit Resolution 24 bits PCM for the audio sample Type SMPS Voltage Frequency 110 240V 50 60Hz Power Consumption 23W Video Audio Output RCA Video Input RCA Optional Video Input Output RF modulator Audio ...

Page 4: ...e delete and sort User programmable Satellite Transponder information Automatic search for newly added transponder NIT search Stores up to 4000 channels Programmable Timer Recording 8 Events 1Month VISS INDEX Search LED Array Display OTR Max 10hrs by 30min Easy EPG recording Support software upgrading through RS 232C port Plug and play data transfer system DSR to DSR Individual channel volume savi...

Page 5: ...4 SCHEMATIC DIAGRAM ...

Page 6: ...5 SCHEMATIC DIAGRAM ...

Page 7: ...6 SCHEMATIC DIAGRAM ...

Page 8: ...7 SCHEMATIC DIAGRAM ...

Page 9: ...8 SCHEMATIC DIAGRAM MPEG STI5518 ...

Page 10: ...9 SCHEMATIC DIAGRAM MPEG CIMAX ...

Page 11: ...10 SCHEMATIC DIAGRAM MPEG MEMORY 27M ...

Page 12: ...11 SCHEMATIC DIAGRAM MPEG VIDEO ...

Page 13: ...12 SCHEMATIC DIAGRAM MPEG AUDIO ...

Page 14: ...13 SCHEMATIC DIAGRAM MPEG POWER RS 232 VCR CON ...

Page 15: ...1 Block Diagram 14 CIRCUIT INFORMATION MPEG ...

Page 16: ... 1010 0000 K07 06H 6 E8 H 06H 0001 0111 0110 0000 K08 07H 7 E8 H 07H 0001 0111 1110 0000 K09 08H 8 E8 H 08H 0001 0111 0001 0000 K10 09H 9 E8 H 09H 0001 0111 1001 0000 K11 0AH UHF E8 H 0AH 0001 0111 0101 0000 K12 0BH MENU E8 H 0BH 0001 0111 1101 0000 K13 0CH AV E8 H 0CH 0001 0111 0011 0000 K14 0DH STOP E8 H 0DH 0001 0111 1011 0000 K15 0EH PLAY PAUSE E8 H 0EH 0001 0111 0111 0000 K16 0FH FF E8 H 0FH ...

Page 17: ...1EH 0001 0111 0111 1000 K32 1FH DISPLAY E8 H 1FH 0001 0111 1111 1000 K33 20H SAT E8 H 20H 0001 0111 0000 0100 K35 22H FREEZE E8 H 22H 0001 0111 0100 0100 K36 23H OK E8 H 23H 0001 0111 1100 0100 K44 2BH CM SKIP E8 H 2BH 0001 0111 1101 0100 K45 2CH EPG E8 H 2CH 0001 0111 0011 0100 K47 2EH H RESET E8 H 2EH 0001 0111 0111 0100 K52 33H INDEX E8 H 33H 0001 0111 1100 1100 K54 35H SLOW E8 H 35H 0001 0111 ...

Page 18: ...mories 4 Banks Able to use Hardware DMUX input Serial and to support 32Pid Boosting 8 Level INT Supporting DMA and other multi PID 2 MPEG DMAs Serial IEEE 1394 Hardware transport strearn demux 2 Kbytes Instruction cache 2K Data cache and 2K SRAM OS Link 2 UART 1 I 2 C PIO 3 PWM Diagnostic controller and systems services SDAV interface Block move DMA ST20 CPU Interrupt controller EMI 2 SmartCard in...

Page 19: ...If this value is not appropriate the colors are not be seen on the screen or the screen will display broken features 4 PIO Structure Sti5518 supports PIO that back up 5 number of Ports 8bit as of PIO0 PIO1 PIO2 PIO3 and PIO4 Some ports are able to endow extra functions to PIO for flexible expansion in usage Following chart shows Alternative Function Pin of PIO PIO port 0 ASC0TxD or Sc1DataOut ASC0...

Page 20: ... data Latch data Transmit data Feature 7 I2 C Timing Chart 3 PIO Map PIO NAME I O Function Remarks PIO1_0 I2C_Data SSC0 I O PIO1_2 I2C_Clk O PIO1_3 NOTPGM_EN O L Flash program enable PIO1_4 SLOW_S W I H VCR Scart Input ON L VCR Scart Input OFF PIO1_5 RS232_Tx O PIO1_6 RS232_Rx I PIO2_7 KI1 I PIO3_0 COM0 O PIO3_1 COM1 O PIO3_2 COM2 O PIO3_3 COM3 O PIO3_4 COM4 O PIO3_5 Seg_clk K7 O PIO3_6 TriggerIN ...

Page 21: ...en in High status and Key Scan Trigger IN PIO3_6 Trigger OUT PIO3_7 Used when debugging with DCU Tool REMOCON_IN PIO4_6 Recognize the REMOCON signal being sent from IR Sensor 5 Memory Interface Sti5518 can support both On chip memories that are 2KB SRAM 2KB SRAM or Data Cache and 2KB Instru Cache and external expanded memories as of ROM and DRAM Moreover SDRAM can be used up to 64Mbits MPEG memory...

Page 22: ... Kbyte SRAM Not available Memory Map The size of EMI Bus is 16bit and also support for the 8bit Bus The Bank0 of EMI can support DRAM Interface while rest of Bank as of Bank1 2 and 3 can only support SRAM ROM and Peripheral Interface Data 0 15 16bit data transfer Adr 1 21 When using DRAM it supports Multiplex mode Row and Column Address with the access ability of 32bit not_WE0 not_WE1 Signals indi...

Page 23: ...nce Clock high to Strobe Valid 8 0 0 0 ns tRCA CH Read Data valid to Reference Clock high 13 0 ns tCHRDX Read Data hold after Reference Clock high 2 0 ns tSVRDX Read Data hold after Strobe valid 0 0 ns 1 tCLWOV Reference Clock low to Write Data valid 8 0 7 0 ns 1 tCHWOV Reference Clock high to Write Data valid 8 0 6 0 ns 1 tCHWDZ Reference Clock high to Write data tristate 8 0 6 0 ns tCHRSV Refere...

Page 24: ...23 CIRCUIT INFORMATION MPEG EMI Interface Timing ...

Page 25: ...K Demodulator are combined into one Module Following feature shows the Block Diagram 2 WIRE BUS CONTROL Direct conversion ZIF Tuner 4MHz 4MHz TDA8260 INSIDE LPF Matched Filter Matched Filter 2 wire bus control AGC control Transport strem O P 950 2150MHz Channel Decoder TDA10086HT ...

Page 26: ...ER INPUT OF LNB A 2 NC 3 5V RF 5V OF RF AMP 20mA TYP 20mVp p 4 AGC AGC MONITORING 5 5V 5V OF 2 nd AMP ZERO IF IC 20mA TYP 20mVp p 6 GND 7 VT TUNING VOLTAGE 30V 20mVp p 8 I I SIGNAL MONITORING 9 Q Q SIGNAL MONITORING 10 5V POWER OF AGC AMP 10mA TYP 20mVp p 11 3 3V POWER OF FEC IC 200mA MAX 20mVp p 12 F22 22kHz OUTPUT serial 100ohm 13 1 8V PLL POWER of FEC IC 120mA MAX 20mVp p 14 RESET ACTIVE LOW se...

Page 27: ...with LNB 1 LNB power and 22khz Tone Pulse The power supplied to LNB sends the 22Khz Tone signal that is used in horizontal 18V vertical 13V and frequency Band and Diseqc Command Chart 6 LNB Control signals 22KHZ Tone Spec is Function High Low H V Horizental 18v Vertical 13v 22Khz ON 22Khz ON 22Khz OFF LNB ON LNB ON STD BY AUX IRD IRD MODE AUX MODE Loop Through External SAT 22Khz Tone Pulse ...

Page 28: ...orts Interlace mode or Non interlace mode There are 6 Pins for the Analogue Video output CVBS S VHS Y C RGB Moreover it supports Teletext closed captions and CGMS Following picture shows the signal formats from the individual output 1 CVBS Timing 2 Comparison of RGB signals RGB Signal Pulse a b c1 c2 d NTSC M 5 38 s even lines 5 52 s odd lines 1 56 s 8 8 s 9 3 s 9 cycles of 3 58MHz PAL BDGHI 5 54 ...

Page 29: ...00 0 00 0 000 White Yellow Cyan Green Magenta Red Blue Block 400 388 316 284 238 204 152 BLACK BLANK WHITE LEVEL LEVEL SYNC IFVFI Color Burst 10 Cycles Maintain 300mV Maintain 300mV White Yellow Cyan Green Magenta Red Blue Block White Yellow Cyan Green Magenta Red Blue Block 400 388 316 284 236 204 152 BLACK BLANK LEVEL SYNC LEVEL BLANCK LEVEL Color Burs1 10 Cycles WHITE LEVEL CVBS Y and C Wavefor...

Page 30: ... Pin that are used in the DSD 9280M is as following Chart 9 Slow Fast Blanking Function Chart 70 TV SCART Connector Pin SCART CONNENTOR Following Table shows the Scart Connector Can select either TV AV mode or 16 9 4 3 mode Slow Blanking TV AV Selecting TV AV mode of TV SET Pin8 TV mode 1 5V AV mode 11 13V 16 9 4 3 Selectint Wide Mode 4 3 mode 11 13V 16 9 mode 5 6 5V Select video input signal of T...

Page 31: ...ems CS4331 Crystal UDA1330 Philips Following diagram shows Timing Diagram with Audio DAC and Philips UDA1330 Block 2 Audio Pin Name Description Singnal Level Impedance 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 AOR AIR AOL AGND B GND AIL B SWITCH G GND CLKOUT G DATA R GND DATAGND R BLNK VGND BLNKGND VOUT VIN SHIELD Audio Out Right Audio In Right Audio Out Left Mono Audio Ground RGB Blue...

Page 32: ... 2 3 14 15 16 L_ch L_ch R_ch R_ch t o t o LRCIN pin 1 BCKIN pin 3 AUDIO DATA WORD 16 BIT DIN pin 2 PCM Timing Analogue Audio Signals that are modified at Audio DAC are amplified by three times after going through Low Pass Filter The output is made after the amplification through AV Switch or Buffer 2 Digital Audio SPDIF Format Use TDA1315 Philips which are IC of the Digital Audio Encoding system i...

Page 33: ... read write by PC 2 sign is displayed in Front Panel Check whether the User Data is being loaded to Main RAM from the Flash ROM Check the validity of Data Following Booting Message will be seen after executing UART Emulator Program when connecting SERIAL Port with PC 1 Development environment display STi5518 DVB Reference Firmware Version 6 0 Code Exe 0x4d4f52 ROM Software compiled on Apr 04 2000 ...

Page 34: ...er Initial TUNER Module Initialization Creating TUNER module semaphores module_type 148 Successfully Installed TUNER module 5 MPEG SDRAM configuration MPEG SDRAM configuration Video Bit Buffer Size 400 Kbytes From 0xc0000000 to 0xc0063fff Audio Bit Buffer Size 16 Kbytes From 0xc0064000 to 0xc0067fff OSD Buffer Size 400 Kbytes From 0xc0068000 to 0xc00cbfff Frame Buffer A Size 608 Kbytes From 0xc00c...

Page 35: ... serivce_num 0 LOAD POSt parsing process start LOAD POSt parsing process start LOAD POSt parsing process start LOAD POSt parsing process start LOAD POSt parsing process start Last Channel didn t save before Last Channel didn t save before 9 API Kernel Process Start SMALLWIN smallwin_scheduler PROCESS STARTED smallwin_scheduler start ok 10 Initializing AUDIO PES Manager 469 audiopes c Initialising ...

Page 36: ...LAY IC301 43 520mVp p 100mV 5usec REC IC301 43 520mVp p 100mV 5usec PLAY IC301 21 600mVp p 200mV 2msec cm PLAY SP VIDEOSWTRIG IC301 21 350mVp p 200mV 2msec cm PLAY EP VIDEOSWTRIG IC301 67 4 6Vp p 2V 10usec cm REC PLAY IC301 67 4 6Vp p 2V 10usec cm PICTURE SEARCH IC301 65 2 2Vp p 500mV 5usec cm REC IC301 65 2 2Vp p 500mV 5usec cm PLAY IC301 28 450mVp p 200mV 0 1usec cm ...

Page 37: ... 5V 0 5msec cm REC IC301 100 2 3Vp p 0 5V 0 5msec cm REC 1 IC301 8 120mVp p 50mV 0 5msec cm PLAY 2 P202 1 75Vp p 10V 20µsec cm REC 3 IC251 2 80mVp p 20mV 0 5msec EE REC PLAY 4 IC251 24 200mVp p 50mV 0 5msec EE REC 5 IC251 34 1 4Vp p 0 5V 1msec REC 6 IC251 32 200mVp p 50mV 0 5msec EE REC 7 IC251 16 1 4Vp p 0 5V 0 5msec EE REC ...

Page 38: ...C PLAY 9 IC501 77 5Vp p 2V 5µsec cm REC PLAY 0 IC501 76 5Vp p 2V 5µsec cm REC PLAY IC501 94 3Vp p 1V 5msec cm REC IC501 97 4 4Vp p 1V 5msec cm PLAY IC501 90 25Vp p 5Vp p 1V 5msec cm REC PLAY IC501 87 2 5Vp p 1V 0 2msec cm REC PLAY Q IC501 38 2 6Vp p 0 5V 0 1µsec cm REC PLAY ...

Page 39: ... Check F801 L801 L802 D801 R802 Exchange rectifier diode of 2nd parts D821 D822 D824 D825 D826 D827 NO YES YES YES YES NO NO NO Check around the Main Board Is it over 4V at Q806 B YES NO Is there switching pulse of Q821 S Q824 E and IC805 pin 2 Is there swiching signal at pin 1 Drain of IC802 Check rectifier diode of 2nd parts D821 D822 D824 D825 D826 D827 Check IC501 on off control NO YES Check Q...

Page 40: ...3 pin 5 18 Oscillation at IC503pin 1 Specific GRID SEG doesnt function Check D522 L503 C501 D824 L803 C827 Check R554 Check IC 503 pin 17 20 23 Check IC 503 pin 6 14 NO YES YES NO NO GRID output at PORT of IC503 YES SEG output at PORT of IC503 Exchange IC503 YES A LED DISPLAY NO ...

Page 41: ...ears on the screen even though changing tape Re adjust the height of AC HEAD Remove the dust Check C510 R545 R547 IC 501 pin 91 92 98 NO Re adjust PATH B 1 Bad playback quality 1 YES YES YES YES Noise appears on the Full playback screen Are SW pulse and HA SW normal Recheck step B 1 Bad playback quallty 1 Check HEAD AMP connector and HEAD YES YES NO NO ENVE Wave at P502 pin 6 Check VIDEO circuit A...

Page 42: ... DATA normal Is there Video output at TMI RF101 pin 16 19 normal Check IC 501 Check DTT CVBS Check IC501 YES YES NO NO NO Is Video Signal input at IC501 pin 50 Is there Video output at IC501 pin 52 Check RF102 Block NO Check Video Buffer Q670 Q671 C No broadcasting signal received YES YES YES ...

Page 43: ...h parts of Loading Motor Replace Loading Motor Check D825 and power circuit D No CASSETTE Loading YES YES E AUTO STOP in Playback mode VCR stops automatically in playback mode Check R544 C516 and P501 pin 11 Check S501 S502 REEL Sensor Is D PG FG pulse at IC501 pin 90 normal Is C FG pulse at IC501 pin 87 normal Is there REEL Pulse at IC501 pin 79 80 Check and replace IC501 NO YES YES YES NO Check ...

Page 44: ... voltage obtained at P501 pin 9 Check P501 Connector and Capstan Motor Check EVER 14V D525 Check Capstan FG IC 501 pin 87 Check R541 R540 R539 R538 C518 Check R537 R536 C521 DRUM Motor stops Is 14V voltage obtained at P501 pin 8 YES NO NO NO YES YES Is DRUM PWM fit to IC 501 pin 76 Is 2 6V voltage obtained at P501 pin 12 Check Capstan Motor and DRUM Motor Check EVER 14V D525 Check DRUM PG FG IC 50...

Page 45: ...Check IC501 pin 58 71 72 NO YES YES NO NO YES Is signal output from pin 65 of IC301 YES NO Check IC301 pin 62 Q V Sync Is signal input into pin 50 of IC501 YES NO Check PCB Pattern Is signal output from pin 52 of IC501 YES NO Is 5V supplied to pin 53 98 99 of IC501 Is signal output at IC301 pin 61 YES NO Check PCB Pattern Check IC 501 YES Check POWER circuit NO Is signal input at IC301 pin 56 Chec...

Page 46: ... from IC301 pin 79 NO NO Same as EE MODE check Is 5V supplied at IC301 pin 91 Is SW Pulse input at IC301 pin 70 Is 5V obtained at IC301 pin 24 42 55 72 91 Check POWER 5V Check IC501 pin 18 Clean head or Replace head Check POWER 5V NO NO NO YES YES YES YES YES YES NO Does X301 4 43MHz oscillate Is Y SIGNAL input at IC301 pin 43 NO YES NO NO Check PATTERN Replace X301 Check PATTERN Check and replace...

Page 47: ...95 89 90 LP MODE 89 90 Pin SP MODE 94 95Pin Check video HEAD and Connector Is signal input into IC301 pin 48 50 52 54 56 Check POWER circuit Check IC501 pin 18 Record video signal poor Check EE MODE YES Is luminance and color signal output from IC301 pin 78 Replace IC301 NO NO YES C No recording YES Is IC301 pin 80 REC H HIGH Check IC501 pin 21 NO ...

Page 48: ...deo signal input at IC501 pin 50 Check POWER circuit No OSD appears Is 5V obtained at IC501 pin 53 98 99 Is Video signal output at IC501 pin 52 NO Replace IC501 D No OSD On Screen Display appears YES YES NO Check IC 501 Check IC 501 ...

Page 49: ...t at IC251 pin 16 17 Are CLK and DATA obtained at IC251 pin 42 43 NO Is 5V obtained at IC251 pin 40 Replace IC251 YES YES Is 12V obtained at IC251 pin 34 NO YES Check POWER circuit Check IC501 Is 5V obtained at P701 pin 15 16 Check DTT CVBS NO NO YES Check Output JACK YES NO NO Check RF102 Is there signal at RF102 pin 3 ...

Page 50: ...K Is Audio signal at IC251 pin 6 7 Is Audio signal output at IC251 pin 16 17 Are CLK and DATA obtained at IC251 pin 42 43 NO Is 5V obtained at IC251 pin 40 Replace IC251 YES YES Is 12V obtained at IC251 pin 34 NO YES Check POWER circuit Replace IC501 YES Check Output JACK YES NO ...

Page 51: ...1 pin 19 Is Audio signal at IC251 pin 41 Is Audio signal output at IC251 pin 16 17 Are CLK and DATA obtained at IC251 pin 68 69 NO Is 5V obtained at IC251 pin 40 Replace IC251 YES YES Is 12V obtained at IC251 pin 34 NO YES Check POWER circuit Replace IC501 Check Output JACK YES YES ...

Page 52: ...signal at P401 pin 2 Replace IC251 YES HEAD CLEANING YES D No NORMAL AUDIO playback PLAY MODE Is Playback Audio signal at IC301 pin 11 Replace IC251 YES NO NO Is there Playback Normal Audio signal at IC251 pin 17 18 Check A C HEAD and IC301 YES Check Output JACK YES Is there normal Audio signal at IC251 pin 17 18 NO Check power circuit NO Voltage at IC251 pin 34 is 12V Voltage at IC251 pin 40 and ...

Page 53: ...gnal at IC251 pin 6 9 Is there recording signal at IC251 pin 21 Check DTT CVBS Check Input AV JACK Check signal flow circuit YES NO NO NO Signal at IC251 pin 21 is transferred to IC301 pin 13 15 17 At C222 is about 70Vp p at 70KHz Check IC251 YES YES Check Q203 NO Check P201 pin 2 4 8 and A C HEAD YES REC H BASE voltage at Q206 is 5V Check IC501 pin 21 NO YES ...

Page 54: ...g 27Mhz clock Flash Cs output status Check CPU power STi5518 Pin27 High Check ROM Booting Mode Check Wait Signal STi5518 Pin131 Low Eliminate the problems Replacing STI5518 BUS Interface port Check short open satus Resistor Flash ROM SDRAM Bufffer Check all BUS and control signal Check MEMCLK SDRAM PIN38 121MHz Persecute Short or Open Flash ROM Check Power OK Programmed Eliminate problems related ...

Page 55: ...Eliminate problem causing factors Replace LNBP Check the power of LNB 13V 18V 12C Line Check Reset Check Check Locking Voltage 1 16V Tuner PIN 13 near TP Replace Tuner B Check IC related parts Check and eliminate problem parts Check Reset Circuit Eliminate problems Replace Tuner NO YES NO YES NO NO NO NO NO YES YES NO YES YES NO YES 2 Poor quality screen ...

Page 56: ...x the problem Check Error Pin Whether the output is in High Status Replace Tuner Tuner interface Signal check TS_Data F_packet_clk F_strt F_B_clk Fix the problem Pts Crystal Check Stream Input Signal check Link_Data Link_B_clk Link_val F_error Fix the problem TS Output Siggnal Check F_Data F_val Error Link_val Replace CPU Replace PtS Asic IC ...

Page 57: ...oblems Check the Input Signal PCM Data SCLK LRCLK PCMCLK YES NO YES NO NO Check the STi 5518 Check the Interface OF Audio AMP IC Replace STi5518 Replace Audio DAC Eliminate problems Replace Audio AMP Audio AMP Check Audio Buffer Check Eliminate problems Go to the above block page 48 YES NO YES YES YES NO NO ...

Page 58: ...connection status of tracking port and execute the fixing process Check the power status of Sit5518 Video Pin 23 Pin30 Check Related Circuits and execute the fixing process Replace STi5518 I V Ref Check STi5518 Pin28 29 Pin35 36 Verify the resistance value and perform necessary operation Go to the video block page 44 NO YES YES YES YES YES YES YES YES NO NO NO ...

Page 59: ...58 PCB CIRCUIT BOARD 1 MAIN PCB Circuit Board ...

Page 60: ...59 PCB CIRCUIT BOARD 2 MPEG PCB Circuit Board ...

Page 61: ...60 INSTRUMENT DISASSEMBLY 1 PACKING ASS Y ...

Page 62: ...61 INSTRUMENT DISASSEMBLY 2 FRONT PANEL ASSEMBLY 1 7H32D ...

Page 63: ...62 INSTRUMENT DISASSEMBLY 2 4J32D ...

Page 64: ...63 INSTRUMENT DISASSEMBLY 3 SET TOTAL DISASSEMBLY ...

Page 65: ...IV200NABCA 97P93B2101 AD001 97PA296101 DRUMPRICEAS CYP T610R AD002 7003300511 SCREWMACHINE BIN3X5MFZN AF001 97SA261040 F LAS T5 MECHA AF002 7273300511 SCREWTAPPTITE TT3BIN3X5MFZN AG01 2193100801 SOLDERWIRE SN PB 63 373PI NOFLUX LOC PARTS CODE PARTS NAME PARTS DESCRIPTION REMARK AG02 2193011100 SOLDERWIRE 60SNA1 2D AG03 2291050305 FLUXLIQUID RF 800KN AG04 2291050306 FLUXTHINNER RF 800ADD AG05 22911...

Page 66: ...256 HCFH474ZCA CCHIPCERA 25VY5V0 47MFZ2012 C259 CEXF1C100A CELECTRO 16VRSM10MF5X7 C260 CEXF1C100A CELECTRO 16VRSM10MF5X7 LOC PARTS CODE PARTS NAME PARTS DESCRIPTION REMARK C261 CEXF1C100A CELECTRO 16VRSM10MF5X7 C262 CEXF1C100A CELECTRO 16VRSM10MF5X7 C263 HCBK392KBA CCHIPCERA 50VX7R3900PFK1608 C264 CEXF1C100A CELECTRO 16VRSM10MF5X7 C265 CEXF1C100A CELECTRO 16VRSM10MF5X7 C266 HCBK392KBA CCHIPCERA 50...

Page 67: ...TRO 50VRSM1MF 4X7 TP C527 HCBK103KBA CCHIPCERA 50VX7R0 01MFK1608 C528 HCBK103KBA CCHIPCERA 50VX7R0 01MFK1608 LOC PARTS CODE PARTS NAME PARTS DESCRIPTION REMARK C529 HCFH104ZBA CCHIPCERA 25VY5V0 1MFZ1608 C530 CEXF1C470A CELECTRO 16VRSM47MF 5X7 TP C531 HCQK150JBA CCHIPCERA 50VCH15PFJ1608 C532 HCQK150JBA CCHIPCERA 50VCH15PFJ1608 C535 CEXF1C470A CELECTRO 16VRSM47MF 5X7 TP C536 HCBK103KBA CCHIPCERA 50V...

Page 68: ...K104KBA CCHIPCERA 50VX7R0 1MFK1608 C916 CEXE1A221E CELECTRO 10VRM220MF5X11 C917 HCBK104KBA CCHIPCERA 50VX7R0 1MFK1608 CD50 CEXF1A471V CELECTRO 10VRSS470MF 8X11 5 TP CD51 CEXF1A471V CELECTRO 10VRSS470MF 8X11 5 TP CD52 CEXF1A471V CELECTRO 10VRSS470MF 8X11 5 TP CP02 97P4809200 POLYBAGFORSET 800X650XTO 5PE FOAM LOC PARTS CODE PARTS NAME PARTS DESCRIPTION REMARK CP04 47P4502205 LABELSERIALA PAPER 42X12...

Page 69: ...G221 0 65TINCOATING JP059 85801065GY WIRECOPPER AWG221 0 65TINCOATING LOC PARTS CODE PARTS NAME PARTS DESCRIPTION REMARK JP060 85801065GY WIRECOPPER AWG221 0 65TINCOATING JP061 85801065GY WIRECOPPER AWG221 0 65TINCOATING JP062 85801065GY WIRECOPPER AWG221 0 65TINCOATING JP063 85801065GY WIRECOPPER AWG221 0 65TINCOATING JP064 85801065GY WIRECOPPER AWG221 0 65TINCOATING JP066 85801065GY WIRECOPPER A...

Page 70: ...OPPER AWG221 0 65TINCOATING JP205 85801065GY WIRECOPPER AWG221 0 65TINCOATING JP206 85801065GY WIRECOPPER AWG221 0 65TINCOATING LOC PARTS CODE PARTS NAME PARTS DESCRIPTION REMARK JP207 85801065GY WIRECOPPER AWG221 0 65TINCOATING JP208 85801065GY WIRECOPPER AWG221 0 65TINCOATING JP210 85801065GY WIRECOPPER AWG221 0 65TINCOATING JP211 85801065GY WIRECOPPER AWG221 0 65TINCOATING JP212 85801065GY WIRE...

Page 71: ...3UH L822 56C339K705 COILCHOKE 3R3K 3 3UH L823 56C220K695 COILCHOKE CAPTYPE 22UHK9X11 1 CAPTYPE L824 56C220K695 COILCHOKE CAPTYPE 22UHK9X11 1 CAPTYPE LOC PARTS CODE PARTS NAME PARTS DESCRIPTION REMARK L825 56C220K695 COILCHOKE CAPTYPE 22UHK9X11 1 CAPTYPE L901 HLB301MT1B LCHIPBEAD 2 0X1 2X0 9MM2A300OHM L902 HLB301MTBB LCHIPBEAD 2 0X1 2X0 9MM0 2A300OHM L903 HLB301MTBB LCHIPBEAD 2 0X1 2X0 9MM0 2A300OH...

Page 72: ...J1608 R15B 85801060TA WIRECOPPER 0 6X52MMTAPING R201 RD AZ273J RCARBONFILM 1 627KOHMJ LOC PARTS CODE PARTS NAME PARTS DESCRIPTION REMARK R202 HRFS334JBA RCHIP 1 16 330KOHMJ1608 R203 HRFS181JBA RCHIP 1 16 180OHMJ1608 R204 RD AZ113J RCARBONFILM 1 611KOHMJ R205 HRFS752JBA RCHIP 1 167 5KOHMJ1608 R206 HRFS273JBA RCHIP 1 16 27KOHMJ1608 R209 RD AZ123J RCARBONFILM 1 612KOHMJ R210 RD AZ563J RCARBONFILM 1 6...

Page 73: ...FILM 1 6330OHMJ R514 RD AZ331J RCARBONFILM 1 6330OHMJ R515 HRFS222JBA RCHIP 1 16 2 2KOHMJ1608 LOC PARTS CODE PARTS NAME PARTS DESCRIPTION REMARK R516 RD AZ221J RCARBONFILM 1 6220OHMJ R517 HRFS102JBA RCHIP 1 16 1KOHMJ1608 R518 HRFS182JBA RCHIP 1 16 1 8KOHMJ1608 R519 HRFS101JBA RCHIP 1 16 100OHMJ1608 R520 HRFS561JBA RCHIP 1 16 560OHMJ1608 R521 HRFS561JBA RCHIP 1 16 560OHMJ1608 R523 RD AZ472J RCARBON...

Page 74: ...12OHMJ1608 R709 HRFS829JBA RCHIP 1 16 8 2OHMJ1608 R710 HRFS221JBA RCHIP 1 16 220OHMJ1608 LOC PARTS CODE PARTS NAME PARTS DESCRIPTION REMARK R711 HRFS222JBA RCHIP 1 16 2 2KOHMJ1608 R712 HRFS750JBA RCHIP 1 1675OHMJ1608 R713 HRFS821JBA RCHIP 1 16 820OHMJ1608 R714 HRFS120JBA RCHIP 1 1612OHMJ1608 R715 HRFS829JBA RCHIP 1 16 8 2OHMJ1608 R716 HRFS221JBA RCHIP 1 16 220OHMJ1608 R717 HRFS222JBA RCHIP 1 16 2 ...

Page 75: ...A RCHIP 1 80OHM3216 LOC PARTS CODE PARTS NAME PARTS DESCRIPTION REMARK RJ644 HRFS000 BA RCHIP 1 16 0OHM1608 RJ801 HRFS000 BA RCHIP 1 16 0OHM1608 RJ802 HRF8000 EA RCHIP 1 80OHM3216 RJ803 HRFS000 BA RCHIP 1 16 0OHM1608 RJ804 HRF8000 EA RCHIP 1 80OHM3216 S501 97P0S02500 SENSORREEL RPI 303N S502 97P0S02500 SENSORREEL RPI 303N SW04A 5S50101Z97 SWTACT THVV952GBA9 5MAUTO HI FI SW05A 5S50101Z97 SWTACT THV...

Page 76: ...686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA DAEWOO ELECTRONICS Corp ...

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