Sony BA-4D Instrukcja serwisowa - Strona 11

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Sony BA-4D Instrukcja serwisowa
C
[RGB DRIVE, CRT DRIVE]
(KV-27S42/27S46/27S66/29SL42/29SL42C/29XL42M ONLY)
C BOARD WAVEFORMS
1
168.2 Vp-p (H)
C BOARD SCHEMATIC DIAGRAM
— 39 —
857 5 C E HV boards.p65
1
CV
[RGB DRIVE, VELOCITY MOD.]
(KV-29AL42/29AL42C/29AL66/29AL66C ONLY)
2
3
140.6 Vp-p (H)
146.5 Vp-p (H)
CV BOARD SCHEMATIC DIAGRAM
C BOARD IC
VOLTAGE LIST
IC1751
pin
volt
1
2.3
2
2.3
3
2.3
4
GND
5
2.3
6
198.1
7
137.3
8
138.6
9
140.8
All voltages are in V
— 40 —
E
[ENERGY START]
CV BOARD TRANSISTOR
CV BOARD IC
VOLTAGE LIST
VOLTAGE LIST
B
C
E
IC1701
Q943
4.5
8.9
3.7
pin
volt
Q944
2.1
8.9
1.5
1
2.3
Q945
2.1
6.0
1.5
2
2.3
Q946
133.2
67.1
134.7
3
2.3
Q947
0.9
67.1
0.3
4
GND
Q965
6.5
8.9
6.2
5
3.7
Q966
6.0
0.0
6.2
6
203.6
7
129.0
All voltages are in V
8
126.0
9
127.0
All voltages are in V
CV BOARD WAVEFORMS
1
2
3
179.7 Vp-p (H)
156.3 Vp-p (H)
167.2 Vp-p (H)
E BOARD TRANSISTOR VOLTAGE LIST
B
Q5002
0.4
E BOARD SCHEMATIC DIAGRAM
— 41 —
3/26/99, 3:45 PM
KV-27S42/27S46/27S66/29AL42/29AL42C/29AL66/29AL66C/
E BOARD (*) MARK VARIANT LIST
KV-29AL66
KV-29AL66C
KV-29AL42
KV-29AL42C
KV-29SL42
KV-27S42
KV-29SL42C
KV-27S46
KV-29XL42M
REF. NO.
KV-27S66
KV-29SL46
C5020
0.0022MF
0.0047MF
C5021
#
0.0047MF
C5150
0.47MF
#
F5050
6.3A/125V
6.3A/250V
R5350
4.7M
8.2M
T5050
1-431-838-11
1-426-717-11
VDR505
1-803-585-11
1-803-587-11
#: NOT MOUNTED
C
E
G
S
D
1.5
0.0
Q5001
1.5
0.1
157.6
All voltages are in V
— 42 —
29SL42/29SL42C/29SL46/29XL42M