Read Sony FDL-22N Service Manual online
– 23 –
– 24 –
AUDIO AMP, CHROMA,
LCD INTERFACE
LCD INTERFACE
1
2
3
4
5
6
A
B
C
D
E
F
G
H
– B BOARD –
< Component Side >
< Conductor Side >
DIODE
*
D301
B-3
3
D401
D-2
7
D402
G-2
3
D403
B-1
3
D404
H-2
3
D405
E-2
3
D406
E-3
3
D501
C-5
5
D502
C-5
5
IC
IC301
B-3
IC401
C-2
IC501
C-5
TRANSISTOR
*
Q302
G-3
1
Q303
C-3
2
Q401
E-3
1
Q402
D-2
2
Q403
G-2
1
Q406
A-2
!£
Q407
A-2
!£
Q408
B-2
2
VARIABLE
RESISTOR
RESISTOR
RV301
B-3
RV401
D-3
RV402
C-3
RV501
D-4
B BOARD
NC
1
NC
8
V+
2
+INPUT
7
OUTPUT
100k
Ω
50k
Ω
300
Ω
3
-INPUT
6
POWER
GND
GND
4
GND
5
BIAS
+
-
B BOARD : IC501 NJM2070M
4.8Vp-p (4.5MHz)
• B BOARD WAVEFORMS
1
0.4Vp-p (3.582MHz)
2
0.9Vp-p (H)
3
0.8Vp-p (H)
4
4.2Vp-p (H)
5
0.7Vp-p (H)
6
0.9Vp-p (H)
7
0.9Vp-p (H)
8
B
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