Samsung CKA4217L Service Manual page 64

11 Schematic Diagrams
Table 11-1. IC101 (KA2141)
MODES
1024 x 768 / 60 Hz 640 x 480 / 60 Hz 1024 x 768 / 60 Hz
1 1.47 1.47 11 4.37
2 1.74 1.74 12 5.79
3 1.84 1.84 13 3.42
4 2.39 2.39 14 GND
5 11.65 11.66 15 5.52
6 2.38 2.38 16 11.65
7 GND GND 17 3.53
8 2.39 2.39 18 5.49
9 0.16 ~ 3.04 0.16~3.04 19 3.59
10 4.99 4.93 20 1.5 ~ 2.1
Unit: Vrms
Table 11-6. IC204 (24LC211/P) Table 11-8. IC302 (L2M2M)
MODES
1024 x 768 / 60 Hz 640 x 480 / 60 Hz 1024 x 768 / 60 Hz 640 x 480 / 60 Hz
1 – – 1
2 – – 2
3 – – 3
4 GND GND 4
5 3.82 3.82 5
6 3.68 3.68 6
7 4.78 4.78 7
8 4.99 4.99 8
Unit: Vrms Unit: Vrms
Table 11-7. IC301 (TDA9302)
MODES
1024 x 768 / 60 Hz 640 x 480 / 60 Hz
1 1.09 1.09
2 12.98 12.98
3 10.90 10.90
4 10.99 10.99
5 5.5 5.5
6 12.92 12.92
7 1.09 1.09
Unit: Vrms
11-6
Table 11-2. IC102 (LM2406)
MODES MODES
640 x 480 / 60 Hz 1024 x 768 / 60 Hz 640 x 480 / 60 Hz
4.13 1 44.72
5.8 2 GND GND
3.35 3 43.83 45.09
GND 4 GND GND
5.53 5 44.60
11.66 6 75.66 72.77
3.46 7 GND GND
5.50 8 3.42
3.52 9 3.53
1.5 ~ 2.1 10 11.66 11.66
11 3.59
Unit: Vrms
MODES MODES
1024 x 768 / 60 Hz
9.57 9.57 1 –
13.02 13.02 2 –
9.54 9.54 3 5.06
11.03 11.03 4 3.026
9.54 9.54 5 4.02
9.57 9.57 6 2.374
2.12 2.12 7 2.378
2.13 2.13 8 7.97
9 –
10 9.32
11 –
12 -0.5
13 7.91
14 2.349
15 4.65
16 36.8mV
Unit: Vrms
Table 11-3. IC201 (KIA7545)
MODES
1024 x 768 / 60 Hz 640 x 480 / 60 Hz
46V 1 5.05 5.05
2 GND GND
3 5.03 5.03
Unit: Vrms
46
Table 11-5. IC203 (24LC04B)
3.35
3.47
MODES
3.52
1024 x 768 / 60 Hz 640 x 480 / 60 Hz
1 GND GND
2 GND GND
3 GND GND
4 GND GND
5 5.02 5.02
6 5.03 5.03
7 GND GND
8 5.05 5.05
Unit: Vrms
Table 11-9. IC401 (TDA9109)
MODES
640 x 480 / 60 Hz 1024 x 768 / 60 Hz 640 x 480 / 60 Hz
– 17 GND GND
– 18 7.04 7.04
5.06 19 GND GND
3.026 20 5.30 5.30
4.02 21 8.04 8.04
2.374 22 3.51 3.51
2.378 23 3.44 3.44
7.97 24 2.901 2.901
– 25 6.73 6.73
9.32 26 2.772 2.772
– 27 GND GND
-0.5 28 1.633 1.633
7.91 29 12.05 12.05
2.349 30 5.04 5.04
4.65 31 5.04 5.04
36.8mV 32 5.04 5.04
Table 11-4. IC202 (68HC705)
MODES
1024 x 768 / 60 Hz 640 x 480 / 60 Hz 1024 x 768 / 60 Hz
1 0~5 0~5 21
2 0~5 0~5 22
3 0~5 0~5 23
4 5.03 5.03 24
5 5.05 5.05 25
6 – – 26
7 GND GND 27
8 2.46 2.46 28
9 2.08 2.08 29
10 5.03 5.03 30
11 5.03 5.03 31
12 – – 32
13 – – 33
14 – – 34
15 – – 35
16 4.94 4.94 36
17 – – 37
18 – – 38
19 – – 39
20 – – 40
Unit: Vrms
Table 11-10. IC601 (TL431CLP) Table 11-12. IC603 (7805)
MODES
1024 x 768 / 60 Hz 640 x 480 / 60 Hz 1024 x 768 / 60 Hz 640 x 480 / 60 Hz
1 2.52 2.52 1 13.04
2 GND GND 2 GND
3 10.69 10.69 3 5.09
Unit: Vrms Unit: Vrms
Table 11-11. IC602 (KA2S0880) Table 11-13. IC604 (78R12)
MODES
1024 x 768 / 60 Hz 640 x 480 / 60 Hz 1024 x 768 / 60 Hz 640 x 480 / 60 Hz
1 189.5 189.5 1 12.97
2 GND GND 2 12.11
3 19.70 19.70 3 GND
4 2.389 2.389 4 9.22
5 4.8 4.8
Unit: Vrms
Unit: Vrms
MODES
640 x 480 / 60 Hz
– –
– –
5.05 5.05
5.05 5.05
3.82 3.82
3.68 3.68
– –
5.05 5.05
5.03 5.03
5.02 5.02
5.02 5.02
5.03 5.03
– –
– –
– –
– –
4.98 4.98
– –
– –
5.03 5.03
MODES
13.04
GND
5.09
MODES
12.97
12.11
GND
9.22
CKA42*7L/5227L