Text preview for : PHILIPS 201B CM25PLUS CHASSIS schematics.pdf part of Philips 201B Philips 201B (business class) monitor
schematics onlyl(pdf)
Back to : PHILIPS 201B CM25PLUS CHA | Home
30
Back
CM25+ 21" MONITOR
Pre-Amp TDA4886A Post-Amp LM2402
(discrete)
Go to cover page
201B GS3 CM25
BNC DC Restore
D-SUB OSD
MC141545
Signal Selector
R G B
CRT
H
V
.
Auto Calibrate Rotation X-RAY USB device D11 DAF Cs SW Linearity Control
B+ HDRV
SDA SCL
.
EHT CPU P83C380
Block Diagram
.. .
DDC 1/2B
SDA/SCL (DDC)
.
Sync Processor TDA4856
H' H"
V'
.
MUTE
Horizontal Deflection Vertical STV9379
Degaussing
V"
Sync Switch
Power Supply Vertical Frequency
Horizontal Frequency : 30~107kHz : 50~160 Hz
HUNLOCK
+210 +81 +15 -15 +6.3
Muting & G1 Spot Killer
G1
Forward
Terminal Schematic Diagram
PCB (A1)
201B GS3 C M25
31
Go to cover page
A1
2V8
A20 6V2
A16 2V8 6V2 A20
2V8
A16 2V8 A20 6V1 2V8 4V5
A16 2V8 A19 4V3 A18 4V
A17
Back
Forward
32
201B GS3 CM25
Go to cover page
Video Schematic Diagram
PCB(VIDEO BOARD)
CLICK HERE FOR COPPER PATH & SMD LAYER
A2 A2
A1 A2 A1
4V2
5V5
78V6 A6
A5 A3
2V5 4V8
A4
2V7 55V8 5V1
102V8 5V 4V4
80V6 A6
A6
80V2
5V1
A4
2V5 57V5
A5
A3
2V7
A2
4V2 4V9 2V6
A4 A3
2V6
A5
56V7
A1
A2
4V3 1V2 4V9
99V 11V8 4V8 4V9 82V6
4V1
-18V 4V7
101V4 4V9 4V2
4V8
1V3
5V
A7
4V4 4V9 4V9 4V9 4V8 166V2 166V2 173V3 80V1 173V3 166V2 78V6
A8 A9
0.5V 173V3
80V5
A12
A12
A12
80V6 80V3 2V7 79V9
80V2 78V4 2V6
78V7
A13
2V5
A14
A13
1V8
A14
A13
1V8
A14
1V8
A10 A11
1V7 10V7 1V8 1V8 4V9 4V9
A15 4V9
4V6
Back
Forward
S
34
201B GS 3 CM 25 Go to cover page
Waveform (A)
A20 7001-27 A13 7805-B A10 7802-8 A5 7705-5 A3 7701-19 A1 8701-6 B1 7404-14 B8 7421-12 B15 7566-C
Waveform (B)
B22 7501-G B29 7465-C B36 7301-16 B43 7671-D
Waveform (C)
C1 5130-1 C8 5130-12
A16 7001-3
0.5 V/div AC 5 mS/div
1 V/div AC 5 mS/div
10 V/div AC 5 mS/div
1 V/div AC 5 mS/div
5 V/div AC 5 mS/div
1 V/div AC 5 mS/div
50 mV/div AC 5 mS/div
1 V/div AC 5 mS/div
0.2 V/div AC 5 mS/div
2 mV/div AC 5 uS/div
1 V/div AC 5 uS/div
5 V/div AC 5 mS/div
1 V/div AC 5 mS/div
2 V/div AC 5 uS/div
10 V/div AC 2 uS/div
10 V/div AC 5 mS/div
A16 7001-7
A20
7001-29
A14 7803-C
A11 7801-5
A6 1710-11
A3 7701-16
A1 8701-4
B2 7404-13
B9
7421-13
B16
7566-B
B23 7501-D
B30 7425-E
B37 7301-17
B44 7672-D
C2 5130-3
C9 7111-B
0.5 V/div AC 5 mS/div
1 V/div AC 5 mS/div
1 V/div AC 5 mS/div
1 V/div AC 5 mS/div
10 V/div AC 5 mS/div
1 V/div AC 5 mS/div
50 mV/div AC 5 mS/div
1 V/div AC 5 mS/div
0.2 V/div AC 5 mS/div
5 V/div AC 5 mS/div
20 V/div AC 5 uS/div
1 V/div AC 5 uS/div
1 V/div AC 5 mS/div
5 V/div AC 5 uS/div
5 V/div AC 2 uS/div
5 V/div AC 5 mS/div
A16 7001-11
A14 7804-C
A12 7809-C
A6 1710-8
A4 7705-9
A1 8701-2
B3 7404-12
B10
7421-32
B17 7567-2
B24 7502-C
B31 7541-D
B38 7301-18
B45 5671-9
C3 5130-5
C10 7163-B
0.5V/div AC 5 mS/div
1 V/div AC 5 mS/div
10 V/div AC 5 mS/div
10 V/div AC 5 mS/div
0.5 V/div AC 5 mS/div
50 mV/div AC 5 mS/div
1 V/div AC 5 mS/div
1 V/div AC 5 mS/div
5 V/div AC 5 mS/div
50 V/div AC 5 uS/div
10 V/div AC 5 uS/div
0.2 V/div AC 5 mS/div
20 V/div AC 5 uS/div
0.5 V/div AC 2 uS/div
5 V/div AC 5 mS/div
A17 7001-16
A14 7805-C
A12 7810-C
A6 1710-6
A4 7705-11
A2 7701-6
B4
7421-14
B11
7421-6
B18 7567-6
B25 5503-5
B32 7601-C
B39 7301-42
B46 5671-3
C4 5130-5
C11 7130-4
0.5 V/div AC 5 mS/div
1 V/div AC 5 mS/div
10 V/div AC 5 mS/div
10 V/div AC 5 mS/div
0.5 V/div AC 5 mS/div
0.5 V/div AC 5 mS/div
1 V/div AC 5 mS/div
2 V/div AC 10 uS/div
2 V/div AC 5 mS/div
10 V/div AC 5 uS/div
10 V/div AC 5 mS/div
0.5 V/div AC 10 uS/div
20 V/div AC 5 uS/div
0.5 V/div AC 2 uS/div
5 V/div AC 5 mS/div
A18 7001-18
A15 7802-2
A12 7808-C
A7 7781-5
A4 7705-8
A2 7701-8
B5 7421-16
B12
7421-8
B19 7567-3
B26 7491-7
B33 7601-B
B40 7652-C
B47 5671-1
C5 5130-9
C12 7130-3
0.5V/div AC 5 mS/div
0.5 V/div AC 5 mS/div
10 V/div AC 5 mS/div
1 V/div AC 5 uS/div
0.5 V/div AC 5 mS/div
0.5 V/div AC 5 mS/div
0.5 V/div AC 5 mS/div
2 V/div AC 5 uS/div
2 V/div AC 5 mS/div
1 V/div AC 5 mS/div
0.5 V/div AC 5 mS/div
0.5 V/div AC 5 uS/div
20 V/div AC 5 uS/div
0.2 V/div AC 2 uS/div
5 V/div AC 5 mS/div
A19 7001-19
A13 7803-B
A8 7781-10
A5 7705-3
A2 7701-10
B6 7421-17
B13
7421-1
B20 7567-5
B27 7461-B
B34 7301-4
B41 7651-10
B48 5671-12
C6 5130-18
1V/div AC 10 uS/div
10 V/div AC 5 mS/div
1 V/div AC 5 mS/div
5 V/div AC 5 mS/div
0.5 V/div AC 5 mS/div
0.2 V/div AC 5 mS/div
50 m/div AC 5 uS/div
5 V/div AC 5 mS/div
0.1 V/div AC 5 mS/div
0.5 V/div AC 20 uS/div
0.5 V/div AC 5 uS/div
100 V/div AC 5 uS/div
5 V/div AC 5 mS/div
A20 7001-23
A13 7804-B
A9 7782-B
A5 7705-1
A3 7701-22
B7
7421-11
B14
7422-E
B21 7567-4
B28 7461-C
B35 7301-13
B42 7671-G
C7 5130-18
1V/div AC 5 mS/div
10 V/div AC 5 mS/div
0.5 V/div AC 5 mS/div
5 V/div AC 5 mS/div
1 V/div AC 5 mS/div
1 V/div AC 5 mS/div
2 V/div AC 5 uS/div
2 V/div AC 5 mS/div
2 V/div AC 5 mS/div
1 V/div AC 10 uS/div
0.5 V/div AC 5 uS/div
10 V/div AC 5 mS/div
Back
Forward
36
201B GS3 CM25 Go to cover page
Power Supply Schematic Diagram
Control panel
C
C1 C6
128V2
82V6
C2
C7
128V5
C5
C1
15V4 188V 84V6
C9
C8
6V9
6V2 6V3
C10
6V7 15V4
C11
3V5
18V1
C12
3V7 3V8
5V
5V
5V6 14V9
Back
Forward