Samsung TB531VCT1X/XSA Service Manual page 157

12-18 Voltages (TV)
IC901 CXP853P40S-1
PIN NO. PIN NAME VOLTAGES (V)
1 H-sync 1.2
2 V-sync 0.0
3 TV POWER 5.1
4 VPS POWER -
5 STBY-REC -
6 PB-H 0.0
7 V/T/H -
8 AV/TUNER 0.0
9 2nd NT H 5.1
10 1st NT H 5.1
11 D-coil -
12 ~ 22 Not used 5.1
23 SCL 4.7
24 SDA 4.7
25 No used 5.1
26 REMOCON 5.4
27 VCR RESET 5.1
28 TV CS 4.2
29 TV SI 4.0
30 TV SO 2.1
31 TV CLK 5.0
32 Vss -
33 DAVN 5.1
* Pin No 4, 5, 6, 7, 8, 11, 33, 38, 42 are High, Low output ports.
Samsung Electronics
PIN NO. PIN NAME VOLTAGES (V)
34 Xtal 2.5
35 EXtal 2.4
36 RESET 5.1
37 V.MUTE -
38 S.MUTE -
39 GND -
40 2T AFT 3.0
41 1T AFT -
42 SCART ID -
43 BUS STOP 5.1
44 P OFF DET 5.5
45 XLC 3.0
46 EXLC 3.0
47 OSD R -
48 OSD G -
49 OSD B -
50 NC -
51 F/B -
52 ~ 59 NC -
60 S-L CTL -
61 ~ 62 GND -
63 ~ 64 VDD 5.1
IC201
TDA8374
PIN NO. PIN NAME VOLTAGES (V)
1 SOUND IF INPUT -
2 EXT AUDIO INPUT 3.9
3 VCO REF FILTER 3.6
4 VCO REF FILTER 3.6
5 PLL LOOP FILTER 2.7
6 IF VIDEO OUTPUT 3.4
7 SCL 4.7
8 SDA 4.7
9 BANDGAP DECOUPLING 6.7
10 CHROMA INPUT -
11 Y/CVBS INPUT 3.4
12 MAIN B+ 8.0
13 INT CVBS INPUT 3.8
14 GND -
15 AUDIO OUT 3.4
16 DECOUPLING FILTER TUNING 3.6
17 EXT CVBS INPUT 3.4
18 BLACK CURRENT INPUT 6.8
19 BLUE OUTPUT 2.6
20 GREEN OUTPUT 2.5
21 RED OUTPUT 2.7
22 BEAM CUR LIMITER 2.9
23 RED INPUT 3.4
24 GREEN INPUT 3.4
25 BLUE INPUT 3.4
26 RGB SWITCH INPUT 0.2
27 Y INPUT 1.9
28 Y OUTPUT 2.5
Schematic Diagrams
PIN NO. PIN NAME VOLTAGES (V)
29 B-Y OUTPUT 1.8
30 R-Y OUTPUT 1.8
31 B-Y OUTPUT 3.9
32 R-Y INPUT 3.9
33 SECAM REF OUTPUT 1.6
34 X-TAL (3.58) 2.6
35 X-TAL (4.43) 2.6
36 LOOPFILTER BURST PHASE DET 4.8
37 VCC 8.0
38 CVBS OUTPUT 3.3
39 BLACK PEAK HOLD CAPACITOR 4.0
40 HOR. OUTPUT 0.4
41 SANDCASTLE OUTPUT 0.5
42 PHI2 FILTER 4.1
43 PHI 1 FILTER 3.9
44 GND -
45 EAST-WEST DRIVE -
46 VERT DRIVE POS 2.2
47 VERT DRIVE NEG 2.2
48 IF INPUT 4.2
49 IF INPUT 4.2
50 2.1
EHT/OVP INPUT
51 VERT. SAWTOOTH CAPACITOR 3.9
52 REF. CURR INPUT 3.9
53 AGC DECOUPLING CAPACITOR 3.2
54 TUNER AGC OUTPUT 5.8
55 AUDIO DEEMPHASSIS 3.0
56 DECOUPLING SOUND DEMOD. 4.0
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