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Haier HT-2599 Service Manual
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Haier HT-2599 Service Manual

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COLOUR TELEVISION

Serv ice Manual
Features
2
I C bus control
Turning TV on/off with curtain-fashion
218 programmes stored
Entire channel CATV(470MH
Multi-picture and multi-volume modes selection
Audio/Video input and output,S-Video terminal
Black background protection without signal
On-time,off-time,appointing programme
English OSD
Childlock
Haier group
HT-2599
I.
Precautions.................................1
2.
Specifications..............................7
3.
4.
Troubleshooting...........................22
5.
6.
Electrical Parts List.....................29
7.
Bolck Diagram.............................42
8.
Schematic Diagrams...................43
)
Z

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Summary of Contents for Haier HT-2599

  • Page 1: Table Of Contents

    HT-2599 COLOUR TELEVISION Serv ice Manual Precautions.........1 Specifications......7 Alignment and Adjustments..9 Troubleshooting......22 Exploded Views and Parts List..28 Electrical Parts List.....29 Bolck Diagram......42 Schematic Diagrams....43 Features I C bus control Turning TV on/off with curtain-fashion 218 programmes stored Entire channel CATV(470MH...

  • Page 2: Precautions

    1.PRECAUTIONS IMPORTANT SAFETY NOTICE These parts are identified by many electrical and mechanical parts in this chassis have special ！ safety-related characteristics. in the Schematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
  • Page 3 SERVICEING PRECAUTIONS CAUTION: Before servicing receivers covered by this service manual and its supplements and addenda, read and follow the SAFETY PRECAUTIONS. NOTE: If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions, always follow the safety precautions. Remember : Safety First.
  • Page 4 8. Always connect the test receiver ground lead to the receiver chassis ground before connecting the test receiver positive lead. Always remove the test receiver ground lead last. 9. Use with this receiver only the test fixtures specified in this service manual. CAUTION: Do not connect the test fixture ground strap to any heat sink in this receiver.
  • Page 5 General Soldering Guidelines 1. Use a grounded-tip, low-wattage soldering iron and appropriate tip size and shape that will maintain tip temperature within the range of 500 F to 600 2. Use an appropriate gauge of RMA resin-core solder composed of 60 parts tin/40 parts lead.
  • Page 6 Carefully insert the replacement IC in the circuit board. Carefully bend each IC lead against the circuit foil pad and solder it. Clean the soldered areas with a small wire-bristle brush.(It is not necessary to reapply acrylic coating to the areas). “Small-Signal”...
  • Page 7 2. Securely crimp the leads of replacement component around notch at stake top. 3. Solder the connections Caution: Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures. Circuit Board Foil Repair Excessive heat applied to the copper foil of any printed circuit board will weaken the adhesive that bonds foil to the circuit board causing the foil to separate from or “lift-off”...

  • Page 8: Specifications

    • Power Supply: 150~250V 50/60 HZ • Tuning System: voltage synthesized • IF: 38.9 MHz • Power Consumption: ≤120W(HT-2599) • Antenna input impedance: 75Ω • Receiving System: PAL SECAM B/G D/K • Language displayed: English • Video Input: 1.0Vp-p (75Ω) •...
  • Page 9 NO. of Australian standard √ Pull-curtain type on /off display sockets Artificial intelligence Service terminal HI-FI audio signal output terminal External super bass terminal DC current output Video signal digitalization Timer off(MINS) √ Teletext Timer on √ Still frame Auto off upon no signal Multi PIC Frames AC off √...

  • Page 10: Alignment And Adjustments

    3.Alignment and Adjustments Functions: C bus control Turning TV on/off with curtain-fashion 218 programmes stored Entire channel CATV(470MHz) Multi-picture and multi-volume modes selection Audio/Video input and output,S-Video terminal Black background protection without signal On-time,off-time,appointing programme English/Russian OSD Childlock...
  • Page 11 Control Local control buttons 21F99 HT-2599 Main power switch Program tuning button - P + ( -PRO+ ) - ◢ + Volume tuning button TV/AV alternation button TV/AV Menu display button MENU...

  • Page 12: Remote Control Buttons

    Remote control buttons Before using the remote control, press the main power switch to turn on the TV set. ① TV/AV alternating: press this button to change from TV to AV 1 and to S-AV 2. ② Picture memory mode: each press of this button will have a result as shown in Fig.

  • Page 13: Brief Operation Instructions

    Brief operation instructions 1. Preparation before selecting program PSO MEMORY 8POSITION Connect the antenna (or cable television signal) and BAND VHFL power supply line, press power switch①, the power SKIP SEARCH indicator will light on, and the picture will appear in a →...
  • Page 14 4. Band selection PSO MEMORY 8POSITION BAND VHFL In semi-auto search, if the program signal you want to SKIP SEARCH search is not in the current band, you can change the → range to speed up the searching. AUTO MEMORY ▍▍...
  • Page 15 SOFTER SHARPER BLUE BACKGROUND Figure 6 CONNECTION OF TV AUDIO-VISUAL SYSTEM Function of terminals on the 21F99 HT-2599 back cover: ① Aerial input socket ② Video input socket ③ Audio left sound track input socket ④ Audio right sound track input socket ⑤...
  • Page 16 Connection of audio, video output terminals: Output terminals can output the picture and sound signals of the program shown on the TV. These terminals can be used to record the TV program. • For connection with a video recorder with single track sound, please connect its audio input line to the audio output left (L) or right (R) terminal of this set.
  • Page 17 VII. IC function pins 1. Integrated circuits used in this model 1) TBA1238AN: picture intermediate amplification, sound intermediate amplification, video signal processing, chrominance signal processing, RGB output circuit, horizontal and field oscillating scan circuit. 2) TMP87CK38N: super central micro-processing unit. 3) LA7830 (LA7833): field scan circuit 4) LA4275: sound power amplifier circuit 5) LA7910: wave band change-over switch...
  • Page 18 Function Reference Voltage(V) Reference Resistance(KΩ ) Without With Forward(Ω) Backward(Ω) signal signal IF signal input pin 2000 RF AGC output 2000 IF AGC filtering 2000 10 Color demodulation APC filtering 3000 11 4.43MHz crystal oscillator 3000 12 Y/C circuit grounding 13 Analog RGB and AKB mode alternating 14 Analog R signal input...
  • Page 19 Function Reference Voltage(V) Reference Resistance(KΩ ) Without With Forward(Ω) Backward(Ω) signal signal 47 PIF and SIF composite signal output 48 Intermediate frequency locked 2000 phase loop filtering 49 VCO and SIF grounding 50 Intermediate frequency VCO 1000 51 Intermediate frequency VCO 1000 52 VCO and SIF power supply 53 SIF signal input and horizontal...
  • Page 20 Function Reference Voltage(V) Reference Resistance Without With Forward(Ω) Backward(Ω) signal signal Green primary color 2200 character output Blue primary color 2200 character output Character blanking 2200 Line flyback 10000 Field flyback 10000 Character oscillating 10000 Character oscillating 10000 Grounding CPU clock 10000 CPU clock 10000...
  • Page 21 4. The Adjustment must be done by the correct appliance. But this is changeable in view of productivity. B. Adjustment procedure (adjustment content and adjusting point diagram) HT-2599 Adjustment Instructions 1. Equipment, instruments and tools: (1) One 25″ factory-assembled color TV set...
  • Page 22 barreling distortion, and achieve the best pincushion correction. (6) Use factory special remote controller for adjustment (V.), point it to the baseboard infrared receiver and press S-PVOC button. Then the factory-assembled color TV displays AFT (dark field)---AFT OK (with signal or noise), intermediate frequency detection (38.9MHz) adjustment.

  • Page 23: Troubleshooting

    4.Troubleshooting No raster and no sound Check the fuse Abnormal Normal Check loading voltages of 134V 200V Check VD503∼VD506 V513 C507 Normal Abnormal Check if the connector electrode Check if all loading resistors are normal voltage of V552 is 26V. Normal Abnormal Abnormal...
  • Page 24 No raster Check if G2 voltage on CRT board is normal Normal Abnormal Check heater voltage Check the base electrode voltage of V444 Anormal Normal Normal Abnormal Check The heater Check the circuit Check voltage voltages resister is betwecn bace electrode between pin 32 at pins at X602 broken.
  • Page 25 Horizontal bright line Break R908 , let multimeter preset on R 1K and red meter rod grounding, let black meter rod tap pin 4 at N402.see if the bright line can wide at instant. There is breakdown in the vertical Check if R907 R448 output grate.
  • Page 26 Picture OK, no sound Break C700,let red meter rod ground and let black meter rod tap pin6 at N701, the speakers has snapping. If power amplifier is normal , Break the connector electrode of check N201 sound IF circuit V701, let the black meter rod and N201.
  • Page 27 RASTER OK, NO PICTURE, NO SOUND Whether there are noise dots? Whether there are voltages Check RAGC item of IC in every pin of tuner bus is set “00”. Use the remote controller and Check picture IF channel enter S-MODE and adjust and V231, V212, N201 RAGC to near 2D Aerial system or tuner...
  • Page 28 No words There is black words? Check L902,C926,C925 Check the circuit between pin 22pin 24 at D901 and pin 14pin 16 at N201 Abnormal Normal Check circuit between Replace V922,R915,C450 and pin 5 at compartment FBT.

  • Page 30: Electrical Parts List

    6.Electrical parts list Name Code Location Spcification Unit percent HT-2599(WKL) 10903400912 TZ-01 0094000463 64SX502Y22-DC02 Degaussing coil 0094500383 HXC-64 CRT grounding assembly 0090400226 JE225-02-4--Q Wire 0090400240 W1002 JG4401-610--Q Degaussing coil tie 0090800171 BJZ0001-----Q speaker wire 0090400238 W1004 JT2481-B0035Q speaker wire 0090400245...
  • Page 31 Clamp 0090200276 TMMOA404 clamp 0090200244 Main PCB assembly 0094002128 BXA5084-----Q heatsink assembly 0090800179 BJB0120-----Q heatsink assembly 0090800180 BJB5003-----Q Transistor 0094400777 2SC4237----B-A(进口) 0090100114 MTBH2002BA--Q mica chip 0090200362 (20X26) Screw 0090600081 GB9074.4-88 M3X16 0090600066 GB6170-86 M3 heatsink assembly 0090800222 BJB0123-----Q heatsink assembly 0090800129 BJB0022-----Q Transistor...
  • Page 32 Resister 0094100795 R272 RT13-1/6W-270 ±5%------T Resister 0094100795 R273 RT13-1/6W-270 ±5%------T Resister 0094100020 R604 RT13-1/6W-470 ±5%------T Resister 0094100020 R614 RT13-1/6W-470 ±5%------T Resister 0094100020 R624 RT13-1/6W-470 ±5%------T Resister 0094100021 R243 RT13-1/6W-560 ±5%------T Resister 0094100021 R244 RT13-1/6W-560 ±5%------T Resister 0094100021 R403 RT13-1/6W-560 ±5%------T Resister 0094100021 R601...
  • Page 33 Resister 0094100721 R511 RT13-1/6W-5.6K ±5%------T Resister 0094100721 R905 RT13-1/6W-5.6K ±5%------T Resister 0094100721 R906 RT13-1/6W-5.6K ±5%------T Resister 0094100031 R253 RT13-1/6W-6.8K ±5%------T Resister 0094100031 R933 RT13-1/6W-6.8K ±5%------T Resister 0094100032 R452 RT13-1/6W-8.2K ±5%------T Resister 0094100033 R208 RT13-1/6W-10K ±5%------T Resister 0094100033 R214 RT13-1/6W-10K ±5%------T Resister 0094100033 R258...
  • Page 34 Resister 0094100077 R205 RT13-1/6W-100K ±5%------T Resister 0094100077 R456 RT13-1/6W-100K ±5%------T Resister 0094100734 R443 RT13-1/6W-150K ±5%------T Resister 0094100917 R101 RT13-1/6W-220K ±5%------T Resister 0094100917 R455 RT13-1/6W-220K ±5%------T Resister 0094100944 R262 RT13-1/6W-390K ±5%------T Resister 0094100732 R237 RT13-1/6W-820K ±5%------T Resister 0094100946 R632 RT14-1/4W-33 ±5%------T Resister 0094100946 R638...
  • Page 35 Capacitor 0094201040 C114 CT1-08-2F4-63V-0.01 F-Z------F Capacitor 0094201040 C202 CT1-08-2F4-63V-0.01 F-Z------F Capacitor 0094201040 C217 CT1-08-2F4-63V-0.01 F-Z------F Capacitor 0094201040 C221 CT1-08-2F4-63V-0.01 F-Z------F Capacitor 0094201040 C225 CT1-08-2F4-63V-0.01 F-Z------F Capacitor 0094201040 C226 CT1-08-2F4-63V-0.01 F-Z------F Capacitor 0094201040 C237 CT1-08-2F4-63V-0.01 F-Z------F Capacitor 0094201040 C251 CT1-08-2F4-63V-0.01 F-Z------F Capacitor 0094201040 C262...
  • Page 36 Capacitor 0094200043 C256 CD110-50V-1 F-M------F Capacitor 0094200043 C291 CD110-50V-1 F-M------F Capacitor 0094200044 C973 CD110-50V-2.2 F-M------F Capacitor 0094200992 C103 CD110-50V-4.7 F-M------F Capacitor 0094200992 C104 CD110-50V-4.7 F-M------F Capacitor 0094200992 C105 CD110-50V-4.7 F-M------F Capacitor 0094200992 C106 CD110-50V-4.7 F-M------F Capacitor 0094200992 C443 CD110-50V-4.7 F-M------F Capacitor 0094200992 C700...
  • Page 37 Inducer 0094400329 VD412 EU2Z------T Inducer 0094400329 VD554 EU2Z------T Inducer 0094400388 VD433 EM01Z------T Inducer 0094400388 VD434 EM01Z------T Inducer 0094400331 VD555 EU1C------T Inducer 0094400358 VD551 RD6.2EB3------T Inducer 0094400359 VD261 RD5.1EB2------T Inducer 0094400359 VD436 RD5.1EB2------T Inducer 0094400359 VD922 RD5.1EB2------T Inducer 0094400397 VD519 RD8.2EB3------T Inducer 0094400360 VD903...
  • Page 38 Jumper 0094101103 W433 0.6mm/7.5mm------B Jumper 0094101103 W435 0.6mm/7.5mm------B Jumper 0094101103 W436 0.6mm/7.5mm------B Jumper 0094101103 W437 0.6mm/7.5mm------B Jumper 0094101103 W438 0.6mm/7.5mm------B Jumper 0094101103 W463 0.6mm/7.5mm------B Jumper 0094101103 W553 0.6mm/7.5mm------B Jumper 0094101103 W554 0.6mm/7.5mm------B Jumper 0094101103 W555 0.6mm/7.5mm------B Jumper 0094101103 W558 0.6mm/7.5mm------B Jumper 0094101103 W559...
  • Page 39 Jumper 0094101104 W915 0.6mm/10mm------B Jumper 0094101104 W922 0.6mm/10mm------B Jumper 0094101104 W927 0.6mm/10mm------B Jumper 0094101104 W928 0.6mm/10mm------B Jumper 0094101104 W951 0.6mm/10mm------B Jumper 0094101104 W952 0.6mm/10mm------B Jumper 0094101104 W980 0.6mm/10mm------B Jumper 0094101104 WL201 0.6mm/10mm------B Jumper 0094101104 WL202 0.6mm/10mm------B Jumper 0094101104 WL262 0.6mm/10mm------B Jumper 0094101104 WL510...
  • Page 40 Resister 0094100714 R411 RY16-1W-100 ±5%-15-C-A Resister 0094100972 R525 RY17-2W-68 ±5%-20-C-A Resister 0094100719 R437 RY17-2W-270 ±5%-20-C-A Resister 0094100719 R939 RY17-2W-270 ±5%-20-C-A Resister 0094101011 R553 RY17-2W-12K ±5%-20-C-A Resister 0094101011 R563 RY17-2W-12K ±5%-20-C-A Resister 0094101011 R606 RY17-2W-12K ±5%-20-C-A Resister 0094101011 R616 RY17-2W-12K ±5%-20-C-A Resister 0094101011 R626...
  • Page 41 Capacitor 0094201023 C415 CBB81-1.6KV-6800PF-J-25-B-A Capacitor 0094201324 C416 CBB81-1600V-9100PF-J-22-B-A Inducer 0094500325 L413 ZZ0008-15-A-A Inducer 0094500356 L431 LGB1625-600 H Inducer 0094500381 L411 6.8mH-K(G) Inducer 0094500368 L414 AC41 Inducer 0094500394 T101 A-TL13 Inducer 0094500377 T211 A-TX17 photo coupler 0094400566 VD515 PC817D(进口) Inducer 0094400573 VD556 RU4AM-12-M-- Inducer...
  • Page 42 Fuser holder 0090100037 F501b MTBJ0001BB--Q Connect housing 0094300096 XS212 AV6-8.4-8B S-Video terminal 0094300097 XS203 Connect housing 0094300110 XZ502 TJC1-2A Connect housing 0094300027 XS201 TJC9-3A Connect housing 0094300027 ZX700 TJC9-3A Connect housing 0094300027 XZ901 TJC9-3A Mains cord 0090400437 W501 JPRVVZ252DJBQ Mains cord 0090400248 2P 330mm 0091800065...

  • Page 43: Bolck Diagram

    7 Block Diagram (1)Signal shooting block Sound power amf. IF.video color RGB H.V oscillation scan Tuner signal prossing H output V output EPROM Remote co Infrared sensor AV input/output (2) TB1238AN Ａ EXT. EXT.C.IN EXT.Y.IN SIF band SIF trap pass filter unit unit Color subcarry...
  • Page 45 Sincere Forever Haier Group Tel:86-532-8938356 Web side:http://www.haier.com...

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