Samsung TW14N63/BWT, Service Manual

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Schematic Diagrams
11-15 Samsung Electronics
11-20 Voltages (TV)
L OC IC101* IC101* IC701 IV702 ICL 01*
IC
TDA9818
2T-IF(F)
LA7565B
2T-IF(W)
TC4053BP TC4052BP STV8225
PIN NO
1 3.3 2.0 - 1.6 4.2
2 3.3 2.2 - 0.5 3.2
3 - 7.4 - 1.6 -
4 2.0 8.0 1.1 - 0.6
5 2.1 8.9 1.1 2.2 4.3
6 3.9 3.8 - - 3.5
7 1.7 3.2 - - 4.3
8 2.4 2.7 - - 6.3
9 2.3 3.7 0.8 0.8 4.3
10 2.3 2.7 0.8 0.8 3.5
11 1.6 8.3 0.8 - 4.3
12 2.0 8.3 2.2 4.0 9.0
13 2.7 0.3 - 3.4 4.3
14 4.2 7.9 2.1 2.2 4.3
15 1.4 - - 0.4
16 1.9 - 8.9 8.9
17 0.4 2.9
18 2.6 3.4
19 2.6 3.4
20 - -
21 4.9 1.7
22 0.8 2.4
23 3.2 3.3
24 3.2 3.3
IC201
:
TDA8842/8841
Units : Volts
PIN NO PIN NAME VOL TAGE S(V )
1 SOUND IF INPUT -
2 EXT.AUDIO INPUT 3.6
3 N.C -
4 N.C -
5 PLL LOOPFILTER 2.4
6 IF VIDEO OUTPUT 3.2
7 SCL 4.8
8 SDA 4.8
9 BANDGAP DECOUPLING 6.6
10 CHROMA INPUT -
11 Y/CVBS INPUT 3.3
12 MAIN POSITIVE SUPPLY 8.0
13 INT.CVBS INPUT 3.9
14 GND -
15 AUDIO OUT 3.0
16 SECAM DECOUPLING -
17 EXT.CVBS INPUT 3.3
18 BLACK CURRENT INPUT 5.0
19 BLUE OUTPUT 3.0
20 GREEN OUTPUT 3.2
21 RED OUTPUT 3.2
22 V-GUARD INP / BEAM CUR.LIMITTER 2.0
23 RED INPUT 3.4
24 GREEN INTPUT 3.4
25 BLUE INTPUT 3.4
26 RGB INSERTION SWITCH INP 0.1
27 LUMINANCE INPUT 2.6
28 LUMINANCE OUTPUT 2.6
29 B-Y OUTPUT -
30 R-Y OUTPUT -
P I N N O P I N NA M E V O L T A G E S(V )
31 B-Y OUTPUT -
32 R-Y OUTPUT -
33 SUBCARRIER OUTPUT -
34 X-TAL(3.58) 2.4
35 X-TAL(4.43/3.58) 2.4
36 LOOPFILTER BURST PHASE DET 4.9
37 POSITIVE SUPPLY 8.0
38 CVBS OUTPUT 2.7
39 DECDIG 4.9
40 HOR OUTPUT 0.3
41 SANDCASTLE OUTP/FLY-BACK INP 0.5
42 PHI2 FILTER / FLASHPROT 3.2
43 PHI1 FILTER 3.9
44 GND -
45 EAST-WEST DRIVE/AVL OUTPUT -
46 VERT.DRIVE POS 2.2
47 VERT.DRIVE NEG 2.2
48 IF INPUT 4.5
49 IF INPUT 4.5
50 EHT/OVERVOLTAGE PROTECTION INP 2.1
51 VERT.SAWTOOTH CAPACITOR 3.7
52 REFERENCE CURRENT INPUT 3.8
53 AGC DECOUPLING CAPACITOR 4.2
54 TUNER AGC INPUT 4.4
55 AUDIO DEEMPHASSIS 2.8
56 DECOUPLING SOUND DEMODULATOR 2.4