Read Sony KV-28FQ70B Service Manual online
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3
1
2
+
-
REFERENCE
VOLTAGE
1
5
MUTE/STBY
PROTECTIONS
14
9
10
12
4
3
2
VOLUME
VOLUME
OP AMP
OP AMP
30K
30K
60K
5-5 IC BLOCK DIAGRAMS
4
3
2
6
7
1
5
Vsense
Remote
DVLD
Internal
OFF
Latch
Centre
Osc
SS
F/B
Timer
TSD
OCP
Control
Logic
Level
Shift
Sel=34v
ref 5v
15v/8v
Driver
Reg. 10v
18
8
14
16
15
10
12
11
9
A BOARD IC6202/IC6205 BA033T/BA12T
G BOARD IC6001 MCZ3001D
A BOARD IC2500 TDA7497
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