Sony TRINITRON KV-27FS13 Manual De Servicio página 35

A BOARD IC BLOCK DIAGRAMS
IN 1
IN 2
IN 3
IN 5
IN 4
MUTE
STANDBY
IC402 TDA8580Q/N1
7
TDA8580Q/N1
8
V px
30 k
BUFFER
10
12
11
13
INTERFACE
5
IC502 TDA8172
Inv. Input 1
Non-Inv. Input
7
KV-27FS13/ 27FS17/ 27FV17/ 29FV17/ 29FV17C/ 32FS13/ 32FS17/ 34FS13C/ 34FS17
V P1
V P2
3
15
+
60
V/l
-
k
+
60
V/l
-
k
V px
45
k
45
k
+
60
V/l
-
k
+
60
V/l
k -
2 16
PGND2
PGND1
Output
Supply State
Flyback
Voltage
Supply
Generator
2 6
3
Flyback
Generator
Power
Amplifier
Thermal
Protection
TDA8172
4
Gnd
— 34 —
45 k
-
1
OA
OUT 1 +
+
+
4
OUT 2 -
OA
-
45 k
9
BUFFER
BUFFER
45 k
-
14
OUT 3 -
OA
+
+
17
OUT 4 +
OA
-
45 k
6
DIAGNOSTIC
DIAG
5 Output