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Video Board
R

G
B

Video enhance TDA4822A

Pre -Amp TDA4886A

Post-Amp LM2405

CRT

Control Board & Switch Board & LED

OSD MTV030
SDA/SCL

Rotation
DAC DAC

EHT/ UC3843 X-RAY Linearity Control

CPU WP62P2
SDA SCL

EEPROM M24C16
S-Capcitor Switch

DegaussingCkt

DAF & S-Capacitor SLA5058 Horizontal Deflection BU2527AL Vertical TDA8177F

Sync Processor TDA 4841
Power Supply TEA1504
-6.3

HUNLOCK

Muting CKT

Video Panel (A) Schematic Diagram & Waveforms for Diagram (A)

4.7V

A7 A5 1.2V A3 56.5V A5 1.2V A7 A5 1.2V A7 A1 4.2V A1 4.2V A1 4.2V A2 1.9V 3.3V 5V A2 1.9V A2 1.8V A3 57.8V A3 56.5V

4.8V

A4 41.2V

A6 4.7V

A7 4.1V

5.2V

5V

A4 48V

-42V

4.9V 5V

A4 43.9V

4.2V 3.2V 4.5V 2.4V

5V 5V 5V 4.5V

Deflection Schematic Diagram

107P2 CM 25 GSIII

31

B8 B3 B7

3V

2V6 3V2

1V8

B9

12V2 3V3
B10

B4

V9

185V

6V7

7V4 6V8
B1 B5

4V9 4V9 13V1 39V6
B2 B6

5V2
B11 B12 8V9

2V6 2V6 1V3 2V6 185V

B24

59V3 B22

53V6

2V6 B13 2V5 3V2 2V3
B14

53V2 182V8
B21 B26

B25

4V5 4V9

B15

1V1

V7 2V4 5V2

1V1

60V7

B23 B16

5V5
B27

B28

65V1

1V7

4V3

4V4
B29

B30

B17
B18 B19 B20

11V6 100V9

B36 B35 B31

B32

B33

B34

22V4

23V3
B34

23V
B34

22V3
B34

11V6 7V

107P2 CM25 GSIII

H-Voltage Schematic Diagram

B49 B53 100V6
B48

B57

B51

CPU Schematic Diagram

107P2 CM 25 GSIII

B42

B40

B37

B45

B38

B41 B43

B44

107P2 CM 25 GSIII

Power Supply Schematic Diagram

C1 134V1 81V8 C2 C6 134V1 2V9 C8 C3 C7 C4

81V9

13V3 12V4

C5 C10 4V3 1V5 134V1 C9 3V6 83V 12V4 2V6 2V4 13V2 10V 10V8 13V4 10V8

9V8 2V6 2V4