C Board Schematic Diagram - Sony Trinitron KV-21FT250 Service Manual

C BOARD SCHEMATIC DIAGRAM

1 | 2 | 3
A
—
B
13
GND
11
—
10
C
—
R
G
D
—
D780
1SS133T-77
1SS133T-77
D781
E
C782
2200p
50V
B
—
R783
100
1/2W
1 2 3
1 . 7 1 . 6
1 . 7
F
3
—
2
R754
150
1
G
R753
330
—
TO A BOARD
H
CN004
C BOARD
CRT DRIVE
—
RGB DRIVE
I
—
KV-21FT250
| 4 | 5 | 6 |
J752
GND
1
1
3
4
5
6
FV
9 7
8
R773
1/2W
560k
C754
4 . 7
250V
& R774
B
150
3W
RS
D750
PG102R
R781
0 . 5 6
2W
RS
5
4 6
IC751
TDA6108AJF/N2
4 5 6 7 8 9
4 . 2 1 3 9 . 2 1 3 8 . 4
1 4 9 . 0
R763
1/2W
100
R765
1/2W
100
R794
0 . 4 7
1/4W
C753
B
500V
1000p
R780
1/2W
470k
D782
MA8056-M-TX
A-1223-013-A<BX1S>C
7 | 8
C BOARD WAVEFORMS
1 PAL
2.400Vp-p
1 NTSC
2.160Vp-p
W700
3 PAL
1.760Vp-p
3 NTSC
2.200Vp-p
5 PAL
1 200V
2 NC
3 GND
4 H1
110.0Vp-p
5 NC
CN703 5 NTSC
5P
TO A BOARD
CN801
104.0Vp-p
1 GND
CN706
2 PAL
C
1.680Vp-p
[CRT DRIVE, RGB DRIVE]
2 NTSC
COMPONENT SIDE
1.360Vp-p
PAL
4
124.0Vp-p
4 NTSC
140.0Vp-p
6 PAL
164.0Vp-p
NTSC
6
160.0Vp-p C
[CRT DRIVE, RGB DRIVE]
CONDUCTOR SIDE
KV-21FT250
52