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SERVICE MANUAL M113
(SUPER ONE CHIP)
TCL TECHNOLOGY




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Part Servicing Precautions 1

Part Product Specification 2

Part Brief Introduction On Chassis 4

Part IC Pin Description 7

Part Adjusting Description 61

Part Troubleshooting 70

Part Spare Parts List 75

Part Working Guide 84

Part Technical Support List 85


TCL OVERSEAS MANUFACTURING MANAGEMENT DEPARTMENT
Welcome to www.tcl.com.cn
SERVICE MANUAL
M113 (SUPER ONE-CHIP CHASSIS)



Consultants:

Guanghui Yu Sansui Zhang
Dongju Wu Duncan Zhai

Editors

Lexus Sun Bin Wu
Guobiao Chen Alice Peng
TCL M113 Chassis Service Manual

SERVICE MANUAL FOR M113 CHASSIS
PART I. Servicing Precautions
When working, the unit is with ultra high voltage about 25KV inside. So, to avoid the risk of electric shock,
be careful to adjust the chassis!


1. Only qualified personnel should perform service procedures.


2. All specification must be met over line voltage ranger of 110V AC to 240V AC 50Hz/60Hz.


3. Do not operate in WET/DAMP conditions.


4. Portions of the power supply board are hot ground. The remaining boards are cold ground.


5. Discharge of CRT anode should be done only to CRT ground strap.


6. When fuse blow, ensure to replace a fuse with the same type and specification.


7. Keep the wires away from the components with high temperature or high voltage.


8. When replacing the resister with high power, keep it over the PCB about 10mm.


9. The CRT anode high voltage has been adjusted and set in the factory. When repairing the chassis, do
not make the high voltage exceed 27.5KV (The beam current is 0uA). Generally, the high voltage is set on
25.5KV