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Popular Haier HS-2129 Manual Pages
Service Manual - Page 1
Technical specifications & Safety precautions 2
2. Brief operation instructions 14 5. Disassembly instructions 15 6. Electrical adjustment 37 8. Damageable parts list 40 10.System block... Sleep timer S-video input
Haier group Servicing precautions 4 3. Specific information 17 7. Information of Resistors and capacitors.....39 9. HS- 2129 COLOUR TELEVISION
Service Manual
1.
Service Manual - Page 3
... might result in the Schematic Diagram and Replacement Parts List. It will also protect the receiver and it's components from accidents that might be inadvertently introduced during the servicing of adequate power rating as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. TECHNICAL SPECIFICATION & SAFETY PRECAUTIONS
POWER SUPPLY: AC 150~250V...
Service Manual - Page 5
... firing and electric shock, don't make the TV set in the sunshine or near heat source.
6. CAUTION: Before servicing receivers covered by this service manual and its surface can be used for long time or it is in the TV set and harm you clean the TV set, please pull out the power plug from the...
Service Manual - Page 6
...electrical plug or other assembly of the receiver. c. CAUTION: A wrong substitution part or incorrect installation polarity of electrolytic capacitors may result in the receiver. d. Do not test... installed.
8. Unless specified otherwise in this instrument and/or any of the safety precautions, always follow the safety precautions. Unless specified otherwise in this service manual might...
Service Manual - Page 7
...Devices
Some semiconductor (solid state) devices can generate electrical charges sufficient to install it. (Most replacement ES devices are usually called Electrostatically Sensitive (ES) Devices. Some solder ...receiver only the test fixtures specified in this service manual. Minimize bodily motions when handling unpackaged replacement ES devices. (Otherwise even some field effect ...
Service Manual - Page 15
...buttons to select POSITION and BAND ,then press VOLUME buttons to set and Program up /down the power switch of the TV set this item to normal status. Press VOLUME buttons to increase or ....
Note:
a. BRIEF OPERATION INSTRUCTIONS
Insert the power plug into the power line socket and insert the antenna plug into the antenna socket on . A Program preset 1. Manual search and fine tune
Press ...
Service Manual - Page 16
... picture tube. Picture tube handling caution Due to service operations on the back cabinet and carefully separate the back cabinet from the power supply through the converter transformer. DISASSEMBLY INSTRUCTIONS
A. Always lift picture tube by grasping it firmly around faceplate. Important note This set is necessary to high vacuum and large surface area...
Service Manual - Page 18
...IC
A3. Principle integrated circuits
A1. SPECIFIC INFORMATIONS
A. Electrical circuit analysis
1.The integrated circuit used in this set composed of the following sections
(1) ...: switch transformer T501 (BCK-08A6), power transistor V503 (2SC4584),
A2. HS-2129 color TV set
(1) TB1238AN: Picture intermediate frequency, sound intermediate frequency, video signal processing, chrominance...
Service Manual - Page 27
...pulse voltage supplied by the photocoupler, so the current through V506 and the change generates error voltage on resistance R505 to vertical scanning circuit. With VD515 rectification, C541 filtering, 15V ... the conducting time of V503. N501 transmits error information. (7) Power supply circuit The power supply circuit of Hs-2129 is a typical free-running blocking oscillator. The conducting state of...
Service Manual - Page 28
... first. Press button ↓ to select the GCUT item and make the data of BCUT 20. B.Service mode and adjusting items and datas
1. Adjustment of the picture. The horizontal center is 20. Finally, ...in this way as shown in the center of the screen disappears. The D on the top left part:
RCUT 20
D
After entering the adjustment state, press button↑ or ↓ to select the ...
Service Manual - Page 29
...Adjust the brightness and contrast control to make the screen brighter and the chrominance off the set until the line turns purple. The adjustment item states are not explained one by one hereby...many maintenance item adjustments can be adjusted. Then press volume up or down button on the set with I2C bus control. If a red horizontal bright line appears, press down button to ...
Service Manual - Page 30
... chrominance SCNT 05 Subcontrast
intermediate value
When the adjustment finishes, do not forget to switch off the set with the remote controller to quit the S-MODE maintenance state.
(3) Parameter record list for factory adjustment items
HS-2129 Factory Adjustment (D-MODE) Items Data Reference List
Item RCUT
Data Content 20* Red dark balance
Item...
Service Manual - Page 36
...no
Using special remoter controlor to enter S-MODE or D-MODE ,setting RAGC to XS261(pin3)
35 Inspect antenna or replace the tuner
Inspect the circuit from N201(pin18) to be 00...yes
no
Available
Inspect whether the item RAGC in D-MODE is open or virtual welding
Normal
Abnormal
Replace or reweld V622
Inspect the voltage on the pins of XS602
Normal Inspect V621 R621
Abnormal
Inspect ...
Service Manual - Page 37
... connect the
36 Safety Precautions
1. Adjusting method of digit voltmeter and connect the red rod to a 21″ factory-assembled color TV set and connect the company's adjusting signal. (2) Switch on . 4. Don't short any portion of circuits while power is on the user's remote controller to get into "...
Service Manual - Page 38
... system control menu with the remote controller to have the following displayed on the oscilloscope and the picture and sound of the factory-assembled TV set shall be displayed in turn. company's adjusting signal.
(2) Switch on position number 0, 1, 2, 3, 4, 5 respectively. It is required that no program is missed, otherwise use auto search...
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