Samsung TB531VCT1X/XSA Service Manual page 156

Television video cassette recorder, chassis scv11f
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Schematic Diagrams
12-18 Voltages (TV)
* Conditions of Measurement
1. Normal Condition
2. Receiving Color Bar Pattern
3. DC Voltage
Q801
STR6707
U n i t s : V o l t s
PIN NO.
PIN NAME
STAND-BY
POWER ON
1
C
298
291
2
E
-
-
3
B
0.8
0.5
4
SINK
-
0.7
5
DRIVE
-
1.3
6
OCP
-
-
7
F/B
-
-
8
INH
-
1.3
9
B+
6.3
7.7
12-12
IC801
LTV817B
U n i t s : V o l t s
PIN NO.
STAND-BY
POWER
1
9.2
14.3
2
8.2
13.3
3
3.2
1.2
4
6.3
7.7
IC501~IC503
TDA6101Q
U n i t s : V o l t s
PIN NO.
PIN NAME
VOLTAGES (V)
1
Vip
2.1
2
Vcc
12.3
3
Vin
2.1
4
GND
-
5
Iom
8.3
6
Vdd
172.6
7
Vcn
96~120
8
Vcc
96~120
9
Vof
96~120
IC301
TDA8356
PIN NO.
PIN NAME
VOLTAGES (V)
1
VD-INPUT
2.2
2
VD+ INPUT
2.2
3
Vcc
15.8
4
OUTPUT
7.6
5
GND
-
6
VFB
43.2
7
OUT
8.0
8
VO
-
9
VI
7.7
IC602
TDA7056
PIN NO.
PIN NAME
VOLTAGES (V)
1
NC
12.1
2
Vcc
12.1
3
IN
-
4
GND
-
5
NC
-
6
A+
6.2
7
GND
-
8
A-
6.0
9
NC
-
IC902
24C08, 24C04
PIN NO.
PIN NAME
VOLTAGE (V)
1
GND
-
2
GND
-
3
GND
-
4
GND
-
5
SDA
4.8
6
SCL
4.8
7
GND
-
5.2
8
VDD
IC601
TDA7057AQ
PIN NO.
PIN NAME
VOLTAGES (V)
1
VOL 1
1.2
2
SIG.GND
-
3
IN 1
2.4
4
Vcc
12.1
5
IN 2
2.4
6
SIG.GND
-
7
VOL 2
1.2
8
OUT 2+
5.6
9
PWA GND
-
10
OUT 2-
5.7
11
OUT 1-
5.7
12
PWA GND
-
13
OUT 1+
5.7
Samsung Electronics

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