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Philips 104S CM23 GSIII Service Manual
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Philips 104S CM23 GSIII Service Manual

Philips 104S CM23 GSIII Service Manual

14” auto scan colour monitor chassis
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14" Auto scan Colour Monitor
Service
Service
Service
DDC/Power saving/TCO
User-friendliness Control
Contents
Description
Important Safety Notice ------------------------------- 2
Technical Data ------------------------------------------ 3
Installation and Control-------------------------------- 4
Warning and Notes ------------------------------------ 5
Mechanical Instructions ------------------------------ 6
Wiring Diagram----------------------------------------- 7
Electrical Instructions -----------------------------8 ~15
DDC Instructions-------
DDC Data----------
--------------------------------- 20~21
Safety test requirements (Hipot & Ground)--------22
Block Diagram &C.B.A(A)-----------------------------23
Video Panel (A) Schematic Diagram ---------------24
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.
Published by BCU Monitors
Printed in Taiwan

TABLE OF CONTENTS

--------------------------- 16~19
REFER TO BACK COVER FOR IMPORTANT SAFETY GUIDELINES
©
Copyright reserved
Page
Description
Main Panel (B1) Schematic Diagram---------------25
U-control Schematic Diagram & Waveforms for
Diagram B2----------------------------------------------26
Main Panel C.B.A. ------- ------------------------------27
Power supply Schematic Diagram & Waveforms
for Diagram C ------------------------------------------28
Repair Tips ----------------------------------------------29
Exploded View ----------------------------------------- 30
Recommanded parts List ---------------------------- 31
Spare parts list--------------------------------------32~38
Repair flow chart----------------------------------- 39~46
General product specification------------------- 47~71
SAFETY NOTICE
Subject to modification
104S CM23 GSIII
104S11/00(COCA)
Horizontal frequencies
Page
MAY 26 2000
Chassis
30 - 54 kHz
Page
GB
3138 106 10099

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Summary of Contents for Philips 104S CM23 GSIII

  • Page 1: Table Of Contents

    14” Auto scan Colour Monitor Chassis Service 104S CM23 GSIII Service Service DDC/Power saving/TCO User-friendliness Control 104S11/00(COCA) Horizontal frequencies 30 - 54 kHz TABLE OF CONTENTS Contents Page Description Page Description Page Important Safety Notice ------------------------------- 2 Main Panel (B1) Schematic Diagram---------------25 Technical Data ------------------------------------------ 3 U-control Schematic Diagram &...

  • Page 2: Important Safety Notice

    Consequently, Philips has not undertaken any such broad evaluation. Accordingly, a servicer who uses a service procedure or tool which is not recommended by Philips must first satisfy himself thoroughly that neither his safety nor the safe operation of the equipment will be jeopardized by the service method selected.

  • Page 3: Technical Data

    This monitor is Energy Star compliant .As an ENERGY STAR For Tne monitor is pre-set with 6 modes for optimal display size and centering as indicated in the Partner, PHILIPS has determined that this product meets the following table: ENERGY STAR guidelines for energy efficiency.

  • Page 4: Installation And Control

    Installation and Control 104S CM23 GSIII Go to cover page Front Controls Front View For an optimized adjustment of the picture following controls are available at the front. Power 1.Press this knob, the green LED lights and the power is ON.

  • Page 5: Warning And Notes

    Warning and Notes 104S CM23 GSIII Go to cover page Warnings Notes . Safety regulations require that the unit should be returned . The direct voltages and waveforms are average voltages. in its original condition and that components identical to They have been measured using the Service test software the original components are used.

  • Page 6: Mechanical Instructions

    Mechanical Instructions 104S CM23 GSIII Go to cover page 0. General To be able to perform measurements and repairs on the "circuit boards", these unit should placed in the service position first. 1. Remove the rear cover - Open two lids with "-" type screwdriver. Refer to fig2 and fig3.

  • Page 7: Wiring Diagram

    Deflection 104S CM23 GSIII Go to cover page B1 7503 -B 20 mV/div AC 10 mS/div B2 7503-C 120K 820n 750n 0.2 V/div AC 5 mS/div B3 7502-B 50 mV/div AC 5 mS/div B4 7504-C 270R 10 V/div AC 5 mS/div B5 7504-B 0.2 V/div AC...

  • Page 8: Electrical Instructions

    U-CONTROL 104S CM23 GSIII Go to cover page B36 7401-6 B43 7615-D B52 7801-2 B59 7801-27 B8 7501 -19 B15 7501-12 B22 7501-2 B29 7508-C 50 V/div AC 0.2 V/div AC 0.1 V/div AC 0.2 V/div AC 1 V/div AC...
  • Page 9 POWER SUPPLY SCHEMATIC DIAGRAM 104S CM23 GSIII Go to cover page 5110-1 7103-4 1 V/div AC 100 V/div AC 5 uS/div 5 uS/div 7103-6 5110-2 5 V/div AC 100 V/div AC 5 uS/div 5 uS/div 5110-6 7103-3 0.2 V/div AC...