Samsung CKG7507L Service Manual page 10

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Table 13-13. IC101 (KA2140)
MODES
MODES
1024 x 768 / 85 Hz
640 x 480 / 60 Hz
1024 x 768 / 85 Hz
640 x 480 / 60 Hz
1
1.4
1.4
15
4.8
2
1.4
1.4
16
4.4
3
1.4
1.4
17
5.2
4
0.1
0.8
18
3
5
2.5
2.5
19
5.1
6
12
1.8
20
2.9
7
GND
GND
21
GND
8
2.5
2.5
22
12
9
12
11.8
23
2.9
10
GND
GND
24
5.2
11
2.5
2.5
25
1.3
12
GND
GND
26
1.3
13
3
3.12
27
1.2
14
2.8
2.9
28
1.1
Unit: Vrms
Table 13-15. IC103 (LM324N)
MODES
MODES
1024 x 768 / 85 Hz 640 x 480 / 60 Hz
1024 x 768 / 85 Hz
1
1
1
1
0.1
2
2.4
2
2
3.8
3
2.4
2
3
1.8
4
12
12
4
5
5
2.6
2.6
5
5
6
2.6
2.6
6
0
7
7.3
7.4
7
5
8
7.7
7.8
8
5
9
2.5
2.5
9
4.5
10
2.5
2.5
10
3.5
11
–12.6
–12.6
11
3.3
12
2.2
2.5
12
2.4
13
2.5
2.5
Unit: Vrms
14
7.3
7.3
Unit: Vrms
Table 13-17. IC105 (74HCT14)
MODES
1024 x 768 / 85 Hz 640 x 480 / 60 Hz
1
0.3
0.3
2
5
5
3
5
5
4
0.2
2
5
0.2
4.7
6
5
0.3
7
gnd
gnd
8
0.2
4.9
9
5
0.3
10
1.4
4.7
11
4.8
1.7
12
4.8
1.7
13
1.3
4.4
14
5
5
Unit: Vrms
CKG7507L
Table 13-14. IC102 (LM2405T)
MODES
1024 x 768 / 85 Hz 640 x 480 / 60 Hz
4.9
1
45.6
40
4.7
2
GND
GND
5.2
3
46.2
41
3.2
4
GND
GND
5.1
5
46.6
41
3.1
6
73.1
73.1
GND
7
GND
GND
11.9
8
2.9
3.1
3
9
2.9
3.1
5.2
10
12
12
1.3
11
3
3.2
1.3
Unit: Vrms
1.2
1.1
Table 13-16. IC104 (LSC4350)
MODES
640 x 480 / 60 Hz
1024 x 768 / 85 Hz
640 x 480 / 60 Hz
0
13
2.8
2.6
1.4
14
2.6
2.5
1.4
15
2.6
2.4
5
16
3.8
4
4.8
17
5
5
0
18
0.2
0.2
5
19
0
0
5
20
0.1
0.1
4.6
21
1.4
1.4
3.4
22
1.4
1.4
3.1
23
1.4
1.4
2.4
24
GND
GND
30
860 mV (IC101, #5, 8, 11)
31
3.28 V (IC101, #18,20,23)
CH1 P-P = 860 mV CH1 RMS = 2.412 V
CH1 P-P = 3.28 V
CH1 RMS = 2.748 V
34
40.8 V (IC102, #1, 3, 5)
35
39.2 V (SK1, #1, 2, 3)
CH1 P-P = 40.8 V
CH1 RMS = 46.28 V
CH1 P-P = 39.2 V
CH1 RMS = 26.90 V
13 Schematic Diagrams
32
5.40 V (IC101, #16)
33
5.40 V (IC101, #15)
CH1 P-P = 5.40 V
CH1 RMS = 4.416 V
CH1 P-P = 5.40 V
CH1 RMS = 4.870 V
36
5.44 V (IC104, #5)
37
5.40 V (IC104, #18)
CH1 P-P = 5.44 V
CH1 RMS = 4.408 V
CH1 P-P = 5.40 V
CH1 RMS = 324 mV
13-8

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