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Hughes HTL-HD Service Manual

Hdtv receiver, directv digital satellite receiver
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SERVICE MANUAL
MODEL : HTL-HD
CAUTION
BEFORE SERVICING THE UNIT, READ THE "SAFETY PRECAUTIONS"
IN THIS MANUAL.
AUGUST, 2003
P/NO : 3829RVN006U
Printed in Korea

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Summary of Contents for Hughes HTL-HD

  • Page 1 SERVICE MANUAL MODEL : HTL-HD CAUTION BEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS” IN THIS MANUAL. AUGUST, 2003 P/NO : 3829RVN006U Printed in Korea...
  • Page 2 CONTENTS SECTION 1 ..SUMMARY SECTION 2 ..CABINET & MAIN CHASSIS SECTION 3 ..ELECTRICAL SECTION 4 ..REPLACEMENT PARTS LIST...

  • Page 3: Table Of Contents

    SECTION 1 SUMMARY CONTENTS PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS ..1-3 SERVICING PRECAUTIONS .................. 1-4 • General Servicing Precautions • Insulation Checking Prodedure • Electrostatically Sensitive Devices SPECIFICATIONS ....................1-5...

  • Page 4: Product Safety Servicing Guidelines For Video Products

    PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS CAUTION : DO NOT ATTEMPT TO MODIFY THIS PRODUCT IN ANY WAY, SUBJECT : X-RADIATION NEVER PERFORM CUSTOMIZED INSTALLATIONS WITHOUT MANUFAC- 1. BE SURE PROCEDURES AND INSTRUCTIONS TO ALL SERVICE PER- TURER’S APPROVAL. UNAUTHORIZED MODIFICATIONS WILL NOT ONLY SONNEL COVER THE SUBJECT OF X-RADIATION.

  • Page 5: Servicing Precautions

    SERVICING PRECAUTIONS CAUTION : Before servicing the STB covered by this service Electrostatically Sensitive (ES) Devices data and its supplements and addends, read and follow the Some semiconductor (solid state) devices can be damaged SAFETY PRECAUTIONS. NOTE : if unforeseen circum- easily by static electricity.

  • Page 6: Specifications

    SPECIFICATIONS Television System NTSC, Analog American Standard (480i) ATSC, Digital TV standard (1080i, 720p, 480p, 480i) DIRECTV Channel Coverage 1-69 2-13 14-69 CATV 1-125 DIRECTV variable Inputs/Output ATSC/NTSC RF Inputs Antenna (1), Cable TV (1) (Terrestrial) RF Output Out To TV (1) (selectable Channel 3 or 4) DIRECTV RF Input Satellite In (1) DVI-HDTV Output...
  • Page 7 SECTION 2 CABINET & MAIN CHASSIS CONTENTS EXPLODED VIEWS ........................2-2 1. Cabinet and Main Frame Section ...................2-2 2. Packing Accessory Section ....................2-3...
  • Page 8 EXPLODED VIEWS 1. Cabinet and Main Frame Section...
  • Page 9 2. Packing Accessory Section 825 DVI-D CABLE 813 S-VIDEO CABLE BATTERY(AAA) 806 RF CABLE REMOCON PLUG ASS'Y(3WAY) OWNER'S MANUAL TELEPHONE LINE PACKING PACKING SHEET PACKING BOX CARTONX OPTIONAL PARTS...
  • Page 10 SECTION 3 ELECTRICAL CONTENTS SOFTWARE CORRUPTION PROBLEM .....................3-2 ELECTRICAL TROUBLESHOOTING GUIDE ....................3-5 1. POWER(SMPS) CIRCUIT ........................3-5 2. AUDIO CIRCUIT ............................3-7 1) NO ATSC AUDIO..........................3-7 2) NO DIRECTV AUDIO .........................3-11 3) NO NTSC AUDIO ..........................3-12 4) NO SPDIF OUT FOR ATSC & DIRECTV ..................3-13 5) NO SPDIF FOR NTSC ........................3-14 6) NO 3/ 4 RF AUDIO ..........................3-15 3.

  • Page 11: Software Corruption Problem

    SOFTWARE CORRUPTION PROBLEM 1. Symptom of problem Software corruption problem occurs when IRD is unplugged while an upgrade of new soft- ware from satellite is in progress or application program of FLASH is damaged by other problem. In this case, IRD appear “DOWNLOAD” on VFD and is displayed on message box of TV or monitor as below [Figure 1-1].
  • Page 12 ***** application checksum error. [WARN!!]multiple fail – 103/0 -> 104/0 > SWDL Recovery Mode [CAS]stsid:1375731711 Periodic Task Started!! [CAS]Major Version of IRD:448 [CAS]SCN No.: 38d1d, 3311402 In ‘GetCwpAddress’. In ‘GetCapAddress’. CAM_Init CAM ID -> 0x1fde1032 In ‘SetAddress’. Verifier version:180e In ‘EnableCwpBuffer’. Buf# -> 3f Successful initial verifier !! In ‘EnableCwpBuffer’.
  • Page 13 In this time, Transmit a compressed application image of new version with binary file trans- mition mode in terminal emulation and after downloading image file, write correctly and then, wait for rebooting application program. [Figure 1-5] as below is message on terminal that IRD transmit new file, write in FLASH and then reboot.

  • Page 14: Electrical Troubleshooting Guide

    ELECTRICAL TROUBLESHOOTING GUIDE 1. Power(SMPS) CIRCUIT (1) No 3.7VA NO 3.7VA. Replace the Is the D127 normal? D127. Replace the F101. Is the F101 normal? (Use the same Fuse) Power in Main PCB is short? Is the BD101 Replace the normal? BD101.
  • Page 15 (4) No 12VA Is there about 26V at the IC153 pin1? Is the IC153 Check or Replace Normal? the D129. Is the ZD152 Replace the IC153. Normal? Check or Replace Replace the ZD152. the IC152.

  • Page 16: Audio Circuit

    2. AUDIO CIRCUIT 1) NO ATSC AUDIO (1) Check IC400 and Surroundings 1.8V & 3.3V are supplied to IC400? Check the Power Supply Part. Data is input from TU300 to IC402 & Check Tuner Part. 403(3, 6,10,13)? Logic High is input to IC401& 402 & Check IC201(36).
  • Page 17 Fig.01 Fig.02 Fig.03...
  • Page 18 (2) Check MSP4448G and Surroundings 5V is supplied to IC701 Check Power Supply Part (10, 16, 49, 63)? 8V is supplied to IC701(31)? 10V is supplied to IC805(1)? Check Power Supply Part 18.432MHz Clock is input to IC701 Check X701 (54, 55)? Data pulse is input to IC701(6)? Check IC400...
  • Page 19 (3) Check IC804 and Surroundings 9V is supplied to IC702(8)? Check Power Supply Part Analog audio signal is output from Check IC702 and surroundings IC702(1, 7)? (4) Check Output Jack and Surroundings Check Q702, Q703, Q704, Q705, JA600 and their surroundings 3-10...

  • Page 20: No Directv Audio

    2) NO DIRECTV AUDIO ATSC audio is OK? Go back to symptom #1 IC401(1), IC402(1) and IC403(1) are Check IC201(36). Low? Pulse is output from R805 and R806? Check IC800 and surroundings. 3-11...

  • Page 21: No Ntsc Audio

    3) NO NTSC AUDIO ATSC & DIRECTV Audio are OK? Go back to symptom #1 or 2 SIF signal is input to the Base of Q302? Check TU300 SIF signal is input to IC701(50)? Check Q302 Fig. 05 Analog audio signal is output from Check IC701 and surroundings.

  • Page 22: No Spdif Out For Atsc & Directv

    4) NO SPDIF OUT FOR ATSC & DIRECTV ATSC & DIRECTV Audio are OK? Go back to symptom #1 or 2 SPDIF pulse is output from R423? Check IC400 and surroundings. Fig. 06 SPDIF pulse is output from IC704(4)? Check IC704 and surroundings. 5V is supplied to JA701(2)? Check Power Supply Part.

  • Page 23: No Spdif For Ntsc

    5) NO SPDIF FOR NTSC ATSC & DIRECTV Audio are OK? Go back to symptom #1 or 2 ATSC & DIRECTV SPDIF are OK? Go back to symptom #4 NTSC Audio is OK? Go back to symptom #3 Analog audio is output from IC701 Check IC701.

  • Page 24: No 3/ 4 Rf Audio

    6) NO 3/ 4 RF AUDIO ATSC & DIRECTV Audio are OK? Go back to symptom #1 or 2 ATSC & DIRECTV & NTSC SPDIF Go back to symptom #4 or 5 are OK? Analog audio is output from IC701(18)? Check IC701.

  • Page 25: Directv Front- End Circuit(Qpsk)

    3. DIRECTV Front- End CIRCUIT(QPSK) Start Check the power line referring the Power is supplied normally? circuit diagram. Check the connection between tuner (TU360) IIC is operated normally? (SCL(TU360 (28)), SDL(TU360(27)) Pin -> HIGH) and IIC line/ power/ peripheral parts. The signal of controlling Multi- Switch Check the operation of LNBP20PD is operated normally?
  • Page 26 Start Check the power line referring the The IC960 power pins are 24V ? . circuit diagram. IC360(6) is high? Check the connection on board. On the signal strength of menu Select Check connection on the board, and sat A, and odd transponder. IC360(4) check IC360(5)(LOW).
  • Page 27 FIG. 02 TU360(12) FIG. 01 IC360(4) TONE signal FIG. 03 FIG. 04 FIG. 05 P360(1, 3,5,7,9, 11,13,15) QPSK DATA P360(8) QPSK Packet Clock P360(4) QPSK Byte Clock 3-18...

  • Page 28: Dvi Circuit

    4. DVI CIRCUIT * : Please check that receiver supports this format. START DVI cable is connected? Connect DVI cable. DVI ICON is activated on front panel ? Check IC500(57(IDCK+), 2(DE), 480P picture is OK? 4(HSYNC), 5(VSYNC)) The IDCK_ clock shall be 27MHz. Fig.
  • Page 29 FIG. 01 FIG. 02 FIG. 03 DVI output at 480p DVI output at 720p DVI output at 1080i even field FIG. 04 FIG. 05 FIG. 06 DVI output at 1080i odd field DVI output at 480i even field DVI output at 480i even field 3-20...

  • Page 30: Cpu(System Control) Circuit

    5. CPU(System Control) CIRCUIT START Power is supplied normally? (A) Power check Clock signals are OK? (B) Clock check Reset signals are OK at the time of (C) Reset check power- on reset? Chip selection signals are OK? (D) CS check IIC channels are OK? (E) IIC check Interrupt signals are OK?
  • Page 31 (A) Power check Power Supply Check 2.5V is supplied to L101? IC954(3) : 2.5V 3.3V is supplied to IC104(37), IC105 Power Supply Check (37), IC102(1), IC103(1), and IC201(3)? IC950(2) : 3.3V 3.3V is supplied to IC106(14) and Power Supply Check IC108(14)? IC950(2) : 3.3V (B) Clock check...
  • Page 32 Fig. 02 IC201(87) : 37.5MHz PERI Clock Fig. 03 IC210(2) : 8MHz MICOM Clock 3-23...
  • Page 33 (C) Reset check IC107(3) is reset? IC107 Check IC106(4) is reset? Fig. 04 Check IC101 & 201 IC201(29, 56, 61, 64, 65, 75) are IC106 Check reset? Fig. 04 IC106(4) : Reset signal 3-24...
  • Page 34 (D) CS check Logic low pulse is seen at R138? Check IC101, 104, 105 Fig. 05 Logic low pulse is seen at R140? Check IC101, IC400 Logic low pulse is seen at R144? Check IC101, IC800 Logic low pulse is seen at R143? Check IC101, IC201 Fig.
  • Page 35 (E) IIC check IIC SDA and SCL signals are output from Check IC101 IC800(D20 & G16)? Fig. 06 & Fig. 07 IIC SCL and SDA signals are output Check IC800 from IC101(W17 & U15)? Fig. 06 IC800(D20) : 5V IIC SDA signal Fig.
  • Page 36 (F) Interrupt check Logic high is input to IC101(D18)? Check IC100, IC400 Logic high is input to IC101(D20)? Check IC100, IC800 Fig. 08 Logic high is input to IC101(W20)? Check IC100, CN201(7) Fig. 08 IC101(D18) : No Interrupt signal 3-27...
  • Page 37 (G) RS- 232C check RS- 232C port setup is OK? Check IC101, IC204 (Baudrate, Parity, Data Bit, Stop Bit) IC204(11) is OK?(TxD signal) Fig. 09 Check IC101, IC204 IC204(12) is OK?(RxD signal) Fig. 10 Modify RS- 232C port setup Fig. 09 IC204(11) : TxD signal Fig.

  • Page 38: Video Circuit

    6. VIDEO CIRCUIT START No HV sync OUT? Any problem in OSD ? What is the main picture source? Any problem in main picture? DTV or NTSC. NTSC (C1) (C2) Any problem in AV out? Any problem in RF out? 3-29...
  • Page 39 Power is supplied to IC400[HD2]? Check L400(1. 8V) IC950(2) (3. 3V). Video display clock(IC600(7)) is Check IC605(5) and IC600(1) supplied to HD2? FIG. 01 FIG. 02 . Check IC605(1, 8) and X600 if there is sinusoidal 27MHz clock. FIG. 03 If HV sync exists in IC607 (6, 7) Chage Display Color select switch to ( FIG.
  • Page 40 FIG. 01 VDP clock FIG. 02 FIG. 03 FIG. 04 VCXO 27MHz clock Crystal 27MHz clock H- sync signal FIG. 05 V- sync signal 3-31...
  • Page 41 No OSD is not a problem. Check analog component mute ON? Check DVI output. Check analog buffers. IC604, IC612 for composite & S- video out. Check A5V(L603) & A- 5V(L604) are IC609 for component YPbPr, IC610 for supplied. RGB analog Jump to (A) flow 3-32...
  • Page 42 (C1) When DTV is main Stream Input Check (IC401, 402,403) FIG. 06 Check input stream existence. Terr. : check VSB/ QAM tunner (TU300) block. Any problem? DSS: check TPN- II (IC800 ) block. Any problem in selecting Check voltage of IC401(1), 402(1), ATSC and DSS? 403(1).
  • Page 43 (C2) When DTV is main Check tuner output composite signal Check tuner block(TU300) (C620) FIG. 08 power check; L602 5V Check NTSC decoder. Analog input: IC606 (44) Reference clock oscillation : X601 FIG. 09 Pixel clock: 13.5MHz continuous Clock in IC606 (28). FIG. 10 Hsync out: 15.7KHz negative pulse in IC606 (36).
  • Page 44 Check Q501, Q505, Q506 base Check NTSC mute signal is low. voltage. Must be low. If not, check IC201 pin 47 Check NTSC encoder pixel clock: Check HD- II NTSC encoder part. IC605(7) FIG. 13 Check power: Check NTSC analog output buffer part IC604(8) IC612(8);...
  • Page 45 Check current out to TV channel Change out to TV channel in Setup number. Menu. Check modulator power: TU301(3) Check RF modulator Part. Check modulator input signal: TU301(8) FIG. 15 Check modulator contorl signal: Modulator On check: TU301(7) high Channel select pin check: CH3: TU301(5) high CH4: TU301(5) low Check chroma delay transistor circuits.

  • Page 46: Directv Tp- Demux /Modem Circuit

    7. DIRECTV TP- Demux /Modem CIRCUIT 1. If satellite channel setup is failed and “No Signal” is displayed (First check QPSK part) START The IC 3.3V power is supplied Check IC800(E9) voltage : 2.5V normally? The IC 2.5V power is supplied Check IC800(E7) voltage : 3.3V normally? Check IC800(W18) clock waveform...
  • Page 47 FIG. 01 IC800(W18) : Host I/ F Clock 37.5MHz FIG. 02 IC800(B10) : SDRAM Clock 108MHz FIG. 03 X800(3) : Smart Card Clock 36.864MHz FIG. 04 CN800(9) : CAM Board Clock 4.608MHz 3-38...

  • Page 48: Directv Tp- Demux /Modem Circuit

    8. DIRECTV TP- Demux /Modem CIRCUIT 2. If modem IC does not operate normally START The IC 3.3V power is supplied Check IC901(4) voltage : 3.3V normally? Check IC901(2) clock waveform The clock #5 operates normally? : See FIG. 05 Check IC901(3) clock waveform The clock #6 operates normally? : See FIG.
  • Page 49 FIG. 05 IC901(2) : Modem Chip Clock 4.9152MHz FIG. 06 IC901(3) : Modem PLL Out Clock 9.8MHz...

  • Page 50: Atsc/ Qam Front- End Circuit

    9. ATSC/ QAM Front- End CIRCUIT START Check the power lines(A9V, D5V_ 2, D3.3V_ Power is supplied normally(TU300, TU301)? 2, P_ 30V_ TU) referring the circuit diagram. RF signal is detected? Check antenna connection. (using Spectrum Analyzer) Check Error flag(TU300(22)). (using Check the Voltage between L303 and Oscilloscope) High: normal, Low: Error Ground.
  • Page 51 FIG. 03 FIG. 02 FIG. 01 TU300(36) VSB/ TU300(27) VSB/ TU300(28,29,30,31,32,33,34, 35) QAM DATA Byte Clock QAM DATA Packet Clock VSB/ QAM DATA Outputs 3-42...

  • Page 52: Ntsc Front- End Circuit

    10. NTSC Front- End CIRCUIT START Check the power lines(A9V, D5V_ 2, D3.3V_ Power is supplied normally? 2, P_ 30V_ TU) referring the circuit diagram RF signal is detected? Check antenna connection. (using Spectrum Analyzer) What Voltage is between L303 and Change Q300.

  • Page 53: Front Panel Circuit

    11. FRONT PANEL CIRCUIT 1. If front panel board is not working START Check IC100(13), IC100(43), The IC 5V power is supplied normally? IR100(2) voltage : 5V The IC -28, -24, -21.5V powers are Check Connector P101(3), P101(2), supplied normally? P101(1) voltage : -28, -24, -21.5V Check IC100(5) clock waveform The clock #1 operates normally?
  • Page 54 FIG. 01 FIG. 02 FIG. 03 IC100(5) : VFD Chip Clock IC100(8) : VFD Control Clock IC100(42) : VFD Chip Grid1 (about 460KHz) Signal Pulse 3-45...

  • Page 55: Cam Board Circuit

    12. CAM Board CIRCUIT 1. If smart card does not operate normally START Refer the TP- Demux Troubleshooting The satellite channel setup is succeeded? page. The IC 5V, 3.3V powers are supplied Check IC100(6) voltage : 5V normally? Check IC100(21) voltage : 3.3V The smart card is inserted? Check IC100(10) voltage : 3.1V Check IC100(15) clock waveform...
  • Page 56 OVERALL BLOCK DIAGRAM 1. OVERALL BLOCK DIAGRAM 1 Board-to-Board Connection AC120V SMPS MAIN Board Board 6.5V (N.C) POWER PWR_KEY FRONT Board SWITCH ANODE 1 F_RESET Board 3-47 3-48...

  • Page 57: Overall Block Diagram

    2. OVERALL BLOCK DIAGRAM 2 SPDIF MUTE IC801 Control SDRAM (1Mx16bx1) Digital Audio Digital Audio (74LCX157) QPSK TUNER Optical Out IC802 TU360 IC702 IC704 SAT.IN AV chip TBMU24311IMB IC800 Buffer (AV1AWA) (MC33078) Multi- Zero-IF switch Tuner (STV0299) DIRECTV-TP (LGDT1303 TPN-II) Audio Out 1&2 IC701 SC Clk...

  • Page 58: Block Diagram & Signal Flow

    BLOCK DIAGRAM & SIGNAL FLOW 1. POWER(SMPS) BLOCK DIAGRAM T101 TO TIMER (P102) TH01 TRANS BD101 FD(+) RECTIFIER & SMOOTING BLOCK FD(-) (D128,C133) SNUBBER -29VA BL OCK RECTIFIER & C103 (D101,C105 SMOOTING BLOCK C106,R103,R104) (D127,C131,L125,C132) RECTIFIER & SMOOTING BLOCK (D126,C129) 24V REG BLOCK DRIVE &...

  • Page 59: Directv Block Diagram & Signal Flow

    2. DIRECTV BLOCK DIAGRAM & SIGNAL FLOW :Front-end Signal : Video Signal : Digital Video Signal : Audio Signal : Digital Audio Signal SPDIF MUTE IC801 Control SDRAM (1Mx16bx1) Digital Audio Digital Audio QPSK TUNER (74LCX157) Optical Out IC802 TU360 IC702 IC704 SAT.IN...

  • Page 60: Atsc Block Diagram & Signal Flow

    3. ATSC BLOCK DIAGRAM & SIGNAL FLOW :Front-end Signal : Video Signal : Digital Video Signal : Audio Signal : Digital Audio Signal SPDIF MUTE IC801 Control SDRAM (1Mx16bx1) Digital Audio Digital Audio QPSK TUNER (74LCX157) Optical Out IC802 TU360 IC702 IC704 SAT.IN...

  • Page 61: Ntsc Block Diagram & Signal Flow

    4. NTSC BLOCK DIAGRAM & SIGNAL FLOW :Front-end Signal : Video Signal : Digital Video Signal : Audio Signal : Digital Audio Signal SPDIF MUTE IC801 Control SDRAM (1Mx16bx1) Digital Audio Digital Audio QPSK TUNER (74LCX157) Optical Out IC802 TU360 IC702 IC704 SAT.IN...

  • Page 62: Circuit Diagram

    CIRCUIT DIAGRAM 1. POWER(SMPS) CIRCUIT DIAGRAM No Digitron Displayed D128, F102,ZD151are Defective No Power -29VA No Power BD101, TH01 are Defective D127 is Defective No Power D102 is Defective 24VA No Power IC151 is Defective 30VA No Power D126 is Defective 12VA, 24VA No Power D129 is Defective 12VA No power...

  • Page 63: Cpu(Ppc405Cr) Circuit Diagram

    2. CPU(PPC405CR) CIRCUIT DIAGRAM 3-61 3-62...

  • Page 64: Cpu Peri, Rf-Remote, Vcr-Ctrl Circuit Diagram

    3. CPU PERI, RF-REMOTE, VCR-CTRL CIRCUIT DIAGRAM 3-63 3-64...

  • Page 65: Frontend Circuit Diagram

    4. FRONTEND CIRCUIT DIAGRAM 3-65 3-66...

  • Page 66: Hd2 & Sdram Circuit Diagram

    5. HD2 & SDRAM CIRCUIT DIAGRAM 3-67 3-68...

  • Page 67: Directv Hd-Stb Circuit Diagram

    6. DIRECTV HD-STB CIRCUIT DIAGRAM 3-69 3-70...

  • Page 68: Vdp I/F & Display Output Circuit Diagram

    7. VDP I/F & DISPLAY OUTPUT CIRCUIT DIAGRAM 3-71 3-72...

  • Page 69: Ntsc Audio Processor Circuit Diagram

    8. NTSC AUDIO PROCESSOR CIRCUIT DIAGRAM 3-73 3-74...

  • Page 70: Directv Tp Demux & Cas I/F Circuit Diagram

    9. DIRECTV TP DEMUX & CAS I/F CIRCUIT DIAGRAM 3-75 3-76...

  • Page 71: Bps Iso Modem Circuit Diagram

    10. 2400 BPS ISO MODEM CIRCUIT DIAGRAM 3-77 3-78...

  • Page 72: Power Regulation Circuit Diagram

    11. POWER REGULATION CIRCUIT DIAGRAM 3-79 3-80...

  • Page 73: Cam I/F Circuit Diagram

    12. CAM I/F CIRCUIT DIAGRAM 3-81 3-82...

  • Page 74: Front (2R, Vfd, Key-Scan) Circuit Diagram

    13. FRONT (2R, VFD, KEY-SCAN) CIRCUIT DIAGRAM 3-83 3-84...

  • Page 75: Front Power Key Circuit Diagram

    14. FRONT POWER KEY CIRCUIT DIAGRAM 3-85 3-86...

  • Page 76: Printed Circuit Diagrams

    PRINTED CIRCUIT DIAGRAMS 1. DIGITAL MAIN P.C.BOARD(BOTTOM) LOCATION GUIDE 3-87 3-88...

  • Page 77: Digital Main P.c.board(Top)

    2. DIGITAL MAIN P.C.BOARD(TOP) 3-89 3-90...

  • Page 78: Cam P.c.boar(Bottom)

    3. CAM P.C.BOAR(BOTTOM) 4. CAM P.C.BOAR(TOP) LOCATION GUIDE 5. POWER P.C.BOARD LOCATION GUIDE 3-91 3-92...

  • Page 79: Timer P.c.board

    6. TIMER P.C.BOARD LOCATION GUIDE 7. KEY P.C.BOARD LOCATION GUIDE 3-100 3-101...
  • Page 80 Parts that are shaded are critical NOTES) With respect to risk of fire or NOTES) electricial shock. SECTION 4 REPLACEMENT PARTS LIST MODEL : LSS-3220H AA1UHH(HUGHES) NSP : Not avallable as service parts. RUN DATE :21-AUGUST-03 S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION...
  • Page 81 S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKS C106 0CH1104K512 CAPACITOR,FIXED CERAMIC(Temp.c 0.1UF 50V 10% B(5YP) 1608 R/TP C106 0CN1040K948 CAPACITOR,FIXED TUBULAR(High d 0.1UF D 50V 80%,-20% F(Y5V) TA C107 0CH4221K412 CAPACITOR,CHIP[CERAMIC M/L TC 220P 50V J COG 1.6X0.8 R/TP C107 0CE4764F638 CAPACITOR,ELECTROLYTIC...
  • Page 82 S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKS SW107 556-282C SWITCH,TACT SKQNQED ALPS DC 12 V 50 MA TA SW108 556-282C SWITCH,TACT SKQNQED ALPS DC 12 V 50 MA TA SW109 556-282C SWITCH,TACT SKQNQED ALPS DC 12 V 50 MA TA SW110 556-282C SWITCH,TACT...
  • Page 83 S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKS C117 0CH1104K512 CAPACITOR,FIXED CERAMIC(Temp.c 0.1UF 50V 10% B(5YP) 1608 R/TP C118 0CH1104K512 CAPACITOR,FIXED CERAMIC(Temp.c 0.1UF 50V 10% B(5YP) 1608 R/TP C119 0CH1104K512 CAPACITOR,FIXED CERAMIC(Temp.c 0.1UF 50V 10% B(5YP) 1608 R/TP C120 0CH1104K512 CAPACITOR,FIXED CERAMIC(Temp.c...
  • Page 84 S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKS C212 0CH1104K512 CAPACITOR,FIXED CERAMIC(Temp.c 0.1UF 50V 10% B(5YP) 1608 R/TP C214 0CH1104K512 CAPACITOR,FIXED CERAMIC(Temp.c 0.1UF 50V 10% B(5YP) 1608 R/TP C215 0CH1104K512 CAPACITOR,FIXED CERAMIC(Temp.c 0.1UF 50V 10% B(5YP) 1608 R/TP C216 0CH4331K412 CAPACITOR,CHIP[CERAMIC M/L TC...
  • Page 85 S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKS C318 0CH8107F611 CAPACITOR,CHIP[AL. ELECTROLYTI 100UF 16V M 85STD(CYL) R/TP C319 0CH1474K562 CAPACITOR,FIXED CERAMIC(TEMP.C 470000PF 1608 50V 10% - R/TP C320 0CH8107F611 CAPACITOR,CHIP[AL. ELECTROLYTI 100UF 16V M 85STD(CYL) R/TP C321 0CH1104K512 CAPACITOR,FIXED CERAMIC(Temp.c 0.1UF 50V 10% B(5YP) 1608 R/TP C322...
  • Page 86 S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKS C432 0CH1104K512 CAPACITOR,FIXED CERAMIC(Temp.c 0.1UF 50V 10% B(5YP) 1608 R/TP C433 0CH1104K512 CAPACITOR,FIXED CERAMIC(Temp.c 0.1UF 50V 10% B(5YP) 1608 R/TP C434 0CH1104K512 CAPACITOR,FIXED CERAMIC(Temp.c 0.1UF 50V 10% B(5YP) 1608 R/TP C435 0CH1104K512 CAPACITOR,FIXED CERAMIC(Temp.c...
  • Page 87 S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKS C487 0CH1104K512 CAPACITOR,FIXED CERAMIC(Temp.c 0.1UF 50V 10% B(5YP) 1608 R/TP C488 0CH8226F611 CAPACITOR,CHIP[AL. ELECTROLYTI 22UF 16V M 85STD(CYL) R/TP C489 0CH1104K512 CAPACITOR,FIXED CERAMIC(Temp.c 0.1UF 50V 10% B(5YP) 1608 R/TP C490 0CH1104K512 CAPACITOR,FIXED CERAMIC(Temp.c 0.1UF 50V 10% B(5YP) 1608 R/TP...
  • Page 88 S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKS C617 0CH4100K412 CAPACITOR,CHIP[CERAMIC M/L TC 10PF 50V J NP0 1608 R/TP C618 0CH8106F611 CAPACITOR,CHIP[AL. ELECTROLYTI 10UF 16V M 85STD(CYL) R/TP C619 0CH1474K562 CAPACITOR,FIXED CERAMIC(TEMP.C 470000PF 1608 50V 10% - R/TP C621 0CH8106F611 CAPACITOR,CHIP[AL.
  • Page 89 S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKS C755 0CH8226F611 CAPACITOR,CHIP[AL. ELECTROLYTI 22UF 16V M 85STD(CYL) R/TP C756 0CH8226F611 CAPACITOR,CHIP[AL. ELECTROLYTI 22UF 16V M 85STD(CYL) R/TP C757 0CH8226F611 CAPACITOR,CHIP[AL. ELECTROLYTI 22UF 16V M 85STD(CYL) R/TP C758 0CH8226F611 CAPACITOR,CHIP[AL. ELECTROLYTI 22UF 16V M 85STD(CYL) R/TP C759 0CH8226F611...
  • Page 90 S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKS C842 0CH1104K512 CAPACITOR,FIXED CERAMIC(Temp.c 0.1UF 50V 10% B(5YP) 1608 R/TP C843 0CH1104K512 CAPACITOR,FIXED CERAMIC(Temp.c 0.1UF 50V 10% B(5YP) 1608 R/TP C844 0CH8106F611 CAPACITOR,CHIP[AL. ELECTROLYTI 10UF 16V M 85STD(CYL) R/TP C845 0CH1104K512 CAPACITOR,FIXED CERAMIC(Temp.c 0.1UF 50V 10% B(5YP) 1608 R/TP...
  • Page 91 S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKS C974 0CH1104K512 CAPACITOR,FIXED CERAMIC(Temp.c 0.1UF 50V 10% B(5YP) 1608 R/TP C975 0CH8107F611 CAPACITOR,CHIP[AL. ELECTROLYTI 100UF 16V M 85STD(CYL) R/TP C976 0CH8107F611 CAPACITOR,CHIP[AL. ELECTROLYTI 100UF 16V M 85STD(CYL) R/TP C977 0CH1104K512 CAPACITOR,FIXED CERAMIC(Temp.c 0.1UF 50V 10% B(5YP) 1608 R/TP C978...
  • Page 92 S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKS IC360 0IPMGSG009B IC,POWER MANAGEMENT LNBP20APD-TR SGS-THOMSON 20PIN IC360 0IPMGSG009A IC,POWER MANAGEMENT LNBP20PD SGS-THOMSON 20P SOP R IC400 0ICTMLG009A IC,CUSTOMIZED LGDT1102 HD2 LG IC SBGA-432PI IC401 0ITO741570C IC,TOSHIBA TC74LCX157FT 16P,TSSOP TP QUAD IC402 0ITO741570C IC,TOSHIBA...
  • Page 93 S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKS L301 6140RF0005X INDUCTOR,CHIP 6.8UH, NLC322522T-6R8M TDK R/T L302 6140RF0005X INDUCTOR,CHIP 6.8UH, NLC322522T-6R8M TDK R/T L303 6140RF0005X INDUCTOR,CHIP 6.8UH, NLC322522T-6R8M TDK R/T L304 635-009N COIL CHIP 100UH NLC322522T-101K TDK L305 6140RF0005X INDUCTOR,CHIP 6.8UH, NLC322522T-6R8M TDK R/T L306...
  • Page 94 S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKS R104 0RH0222C622 RESISTOR,METAL GLAZED(CHIP) 22 OHM 1 / 16 W 1608 5.00% D R105 0RH0332C622 RESISTOR,METAL GLAZED(CHIP) 33 OHM 1 / 16 W 1608 5.00% D R107 0RH1001C622 RESISTOR,METAL GLAZED(CHIP) 1K OHM 1 / 16 W 1608 5.00% D R108 0RH0222C622...
  • Page 95 S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKS R1627 0RH0272C622 RESISTOR,METAL GLAZED(CHIP) 27 OHM 1 / 16 W 1608 5.00% D R1628 0RJ4300C677 RESISTOR,METAL GLAZED(CHIP) 430 OHM 1/16 W 5% 1608 R/TP R1629 0RJ4300C677 RESISTOR,METAL GLAZED(CHIP) 430 OHM 1/16 W 5% 1608 R/TP R163 0RH2701C622 RESISTOR,METAL GLAZED(CHIP)
  • Page 96 S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKS R207 0RH0272C622 RESISTOR,METAL GLAZED(CHIP) 27 OHM 1 / 16 W 1608 5.00% D R208 0RH2701C622 RESISTOR,METAL GLAZED(CHIP) 2.7K OHM 1 / 16 W 1608 5.00% D R209 0RH4701C622 RESISTOR,METAL GLAZED(CHIP) 4.7K OHM 1 / 16 W 1608 5.00% D R210 0RH2701C622...
  • Page 97 S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKS R290 0RH0682C622 RESISTOR,METAL GLAZED(CHIP) 68 OHM 1 / 16 W 1608 5.00% D R300 0RH1000C622 RESISTOR,METAL GLAZED(CHIP) 100 OHM 1 / 16 W 1608 5.00% D R301 0RH1000C622 RESISTOR,METAL GLAZED(CHIP) 100 OHM 1 / 16 W 1608 5.00% D R302 0RH1200C622...
  • Page 98 S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKS R601 0RH0472C622 RESISTOR,METAL GLAZED(CHIP) 47 OHM 1 / 16 W 1608 5.00% D R602 0RH0682C622 RESISTOR,METAL GLAZED(CHIP) 68 OHM 1 / 16 W 1608 5.00% D R603 0RH0682C622 RESISTOR,METAL GLAZED(CHIP) 68 OHM 1 / 16 W 1608 5.00% D R604 0RH0682C622...
  • Page 99 S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKS R663 0RH2200C622 RESISTOR,METAL GLAZED(CHIP) 220 OHM 1 / 16 W 1608 5.00% D R664 0RH2200C622 RESISTOR,METAL GLAZED(CHIP) 220 OHM 1 / 16 W 1608 5.00% D R665 0RH0332C622 RESISTOR,METAL GLAZED(CHIP) 33 OHM 1 / 16 W 1608 5.00% D R666 0RH0332C622...
  • Page 100 S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKS R814 0RH2701C622 RESISTOR,METAL GLAZED(CHIP) 2.7K OHM 1 / 16 W 1608 5.00% D R816 0RH0682C622 RESISTOR,METAL GLAZED(CHIP) 68 OHM 1 / 16 W 1608 5.00% D R817 0RH4701C622 RESISTOR,METAL GLAZED(CHIP) 4.7K OHM 1 / 16 W 1608 5.00% D R818 0RH4701C622...
  • Page 101 S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKS T801 6200VJT006A FILTER(CIRC),EMC STC222D NIIGATA 50VOLT 4A 2200 T802 6200VJT006A FILTER(CIRC),EMC STC222D NIIGATA 50VOLT 4A 2200 T803 6200JB8009L FILTER(CIRC),EMC EMC BMK800 50V 0.2A NIIGATA R/ T804 6200JB8009L FILTER(CIRC),EMC EMC BMK800 50V 0.2A NIIGATA R/ T805 6200JB8009L FILTER(CIRC),EMC...
  • Page 102 S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKS D124 0DR104510AA DIODE,RECTIFIERS B10A45V1 BK KEC TO220 45V 10A D125 0DR104009BA DIODE,RECTIFIER RL104F TP RECTRON NON 400V 1A D126 0DR104009BA DIODE,RECTIFIER RL104F TP RECTRON NON 400V 1A D127 0DR104009BA DIODE,RECTIFIER RL104F TP RECTRON NON 400V 1A D128 0DR104009BA...

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