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19" Auto scan Colour Monitor CHASSIS: CM25

Service 109P2 CM25 GSIII

Service
Service

109P20/00(PHILIPS)
DDC/Power saving/TCO




Horizontal frequencies
30 - 111kHz
Table of Contents


Description Page Description Page
Important Safety Notice . . . . . . . . . . . . . . . . . . . 2 Terminal(A1) Schematic Diagram & PCB (A1)...21
Technical Data. . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Video(A2) Schematic Diagram & PCB (A2).......22
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Deflection(B) Schematic Diagram....................23
OSD Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . 5 Waveforms (A, B, C)........................................24
OSD lock & service modes. . . . . . . . . . . . . . . . . 6 PCB (B, C)..................................................... 25
Warning and Notes . . . . . . . . . . . . . . . . . . . . . . . 7 Power Board(Diagram C) & Control Panel ........26
DDC DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Driver(D) Schematic Diagram & PCB (D)..........27
DDC Instructions. . . . . . . . . . . . . . . . . . . . . . . . . 9~12 Sensor(E) Schematic Diagram & PCB (E).........28
Electrical Adjustments . . . . . . . . . . . . . . . . . . . . 13~15 Repair Tips ....................................................29
Purity and Static convergence Adjustments . . 16 Exploded View................................................30
Mechanical Instructions . . . . . . . . . . . . . . . . . . . 17 Recommended Parts List.................................31
Safety Test Requirements (Hipot & Ground) . . 18 Spare Parts List...............................................32~39
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Repair flow chart..............................................40~47
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 General Product Specification..........................48~78

SAFETY NOTICE

ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC
EQUIPMENT CONTAINING HIGH VOLTAGES.


CAUTION: USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING.



REFER TO BACK COVER FOR IMPORTANT SAFETY GUIDELINES