Samsung TX20C53X/XET, Руководство по обслуживанию

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Schematic Diagrams
11-14 Samsung Electronics
11-19 Voltages (TV)
IC901
:
SAA5554PS-OTP
Units : Volts
PIN NO PIN NAME VOL T AGES(V ) PIN NO PIN NAME VOL T AGES(V )
1
0.67
0.67
37
N.C
-
-
-
2
-
-
38
GND
3
5.2
39 GND
4 - 40 S-MUTE 2.8
5
ST BY-REC
-
-
-
-
-
41
VDD 3.2
6
PB-L
AV-L
VT-L
HOLD
1T/AFT
2T/AGC
2T/AFT
SCART-ID
GND
42
OSD B
-
-
-
-
7 43
BUS-STOP
8 44
OSD R
9 3.2
3.2
2.48
45
F/B
10 2.7 46 H-SYNC 0.79
11
D-coil
47
V-SYNC
-
12 48
VSSP
-
13 49
VDD
3.2
3.2
14
BG/I
50 GND -
15 D/K 51 Xtal 1.6
1.6 16 1TS-L H 5.2 52
Extal
17 S-L H 53 RESET -
18 FRA-H 3.7
4.9
54
VDD
19 LNA 4.4 55
REMOCON 5.2
5.1
20 TV PWR 3.2 56 TV CLK
21 PB MUTE 57
V-SYNC INTER
-
22 VSSA -
-
58
TV SI
-
23 CVBS0 0.2 59 TV SO 1.0
24 CVBS1 1.3 60
S-L CTL
-
25 BLACK
0.48
61~62 SCL
TV CS
2.3
26
IREF
1.3 63~64
SDA
2.2
OSD G
Q801
:
KA3S0680RF
PIN NO PIN NAME ST AND-BY POWER ON
1 DAR.IN 299 290
2 GND - -
3 VCC 19.5 20.3
4 VFB 0.2 1.3
5 SYNC 0.8 6.7
Units : Volts
IC801
:
PC123Y
Units : Volts
PIN NO ST AND-BY POWER
1 16.5 16.7
2 15.4 15.7
3 GND GND
4 0.2 1.3
IC501
:
TDA6107Q
Units : Volts
PIN NO PIN NAME VOL TAGE S(V )
1 B-IN 2.4
2 R-IN 2.4
3 G-IN 2.5
4 GND -
5 lom 5.4
6 Vdd 166
7 G-OUT 90~115
8 R-OUT 93~118
9 B-OUT 97~119
IC902
:
24C08,24C04,24C16
Units : Volts
PIN NO PIN NAME VOL T AGES(V )
1~4 GND -
5 SDA 4.8
6 SCL 4.8
7 GND -
8 VDD 5.2
IC301
:
TDA8356
Units : Volts
PIN NO PIN NAME VOL T AGES(V )
1 VD-INPUT 2.2
2 VD+INPUT 2.2
3 VCC 16.9
4 OUTPUT 8.2
5 GND -
6 VFB 41.5
7 OUT 8.5
8 VO -
9 VI 8.2
IC601
:
TDA7267A
Units : Volts
PIN NO PIN NAME VOL T AGES(V )
1 VS 1.6
2 OUT 8.5
3 SVR 8.7
4 IN 0.8
5 N.C -
6 S-GND -
7~8 N.C -
9~16 P-GND -