Samsung CSE-780 Schematic

10-1 CSE78**T/CSE98**T
C604
L601
1
Power Line
10 Schematic Diagrams
~33K H H H H H 33~35K L H H L L 35~37K L H H L L 37~40K L L H H H 40~46K H H L L L 46~50K L H L H L 50~55K H L L H H 55~59K H L L H L 59~65K H L L L H 65~68K L L L H L 68~70K L L L H H 70~76K L L L H H 76~78K L L L L H 78~81K L L L H L 81~85K L L L L H 85~96K L L L L L
S5 S4 S3 S2 S1
10 Schematic Diagrams
CSE78**T/CSE98**T 10-2
1
544 V (IC601, #1)
CH1 P-P = 544 V CH1 RMS = 332.4 V
~33K H H H H H 33~35K L H H L H 35~37K L H H L H 37~40K L L H H H 40~46K H H L L L 46~50K H L L H H 50~55K H L L H H 55~59K H L L H L 59~65K H L L L H 65~68K L L L H L 68~70K L L L H H 70~76K L L L H H 76~78K L L L L H 78~81K L L L H L 81~85K L L L L H 85~96K L L L L L
S5 S4 S3 S2 S1
CSE980B, CSE988B
CSE9839, CSE9829
~33K H H H H H 33~35K L H H L H 35~37K L H H L H 37~40K L L H H H 40~46K H H L L L 46~50K L H L H L 50~55K H L L H H 55~59K H L L H L 59~65K H L L L H 65~68K L L L H L 68~70K L L L H H 70~76K L L L H H 76~78K L L L L H 78~81K L L L L H 81~85K L L L L H 85~96K L L L L L
S5 S4 S3 S2 S1
CSE7839, CSE7829
~33K H H H L H 33~35K L H H L H 35~37K L H H L H 37~40K L L H H H 40~46K H H L L L 46~50K H L L H H 50~52K H L L H H 52~55K H L L H H 55~59K H L L H L 59~65K H L L L H 65~68K L L L H L 68~70K L L L H H 70~76K L L L H H 76~78K L L L L H 78~81K L L L L H 81~85K L L L L H 85~96K L L L L L
S5 S4 S3 S2 S1
CSE780B, CSE788B
10-2 Micom & H/V Process Part Schematic Diagram
10 Schematic Diagrams
10-3 CSE78**T/CSE98**T
15
16
13
8
Signal Line Power Line
10 Schematic Diagrams
CSE78**T/CSE98**T 10-4
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16 17 18 19 20 21
22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42
5.05 0
2.18
3.84
NC
2.32 0
NC
GND
5.05 5 5 5 5 5 5
NC
4.73
NC
0
0.6
5
GND
4.06 5 0 5 5 5 5 0
2.34
2.22 0
12 12 12 12 12
5
GND
2.05
5.05 0
2.18
4.12
NC
2.32 0
NC
GND
5.05 5 5 5 5 0 5
NC
4.62
NC
0
0.36
5.03
GND
2.75 5 0 5 5 5 5 0
2.33
2.22 0 0 0
12 12
0 5
GND
2.62
5.05 0
2.18
4.23
NC
2.31 0
NC
GND
5.04 5 5 5 5 5 5
NC
4.63
NC
0
0.46
5.03
GND
3.77 5 0 5 5 5 5 0
2.28
2.24 0 0 0 0 0 0 5
GND
2.62
pin #
pin #
MODES MODES
31 kHz 31 kHz68 kHz 68 kHz91 kHz 91 kHz
Table 10-1. IC201 (ST72E75)
Unit: Vrms
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
0.61 0
0.17
4.83
3.28
6.41
4.01
1.55
1.55
3.37
GND
0
8.05
8.09
2.74
3.27
GND
5.56 GND
5.46
8.15
3.56
3.56
3.16
2.02
5.06 GND
3.63
12.02
5.03
5.03
5.04
0.36 0
0.16
4.82
2.69
6.41
4.0
3.39
3.39
3.3
GND
0
8.04
8.03
2.83
3.26
GND
5.54
GND
5.24
8.16
3.56
3.56
3.05
2.01
5.11
GND
2.49
12.02
5.03
5.03
5.03
0.46 0
0.17
4.82
2.31
6.4
3.99
4.5
4.5
3.29
GND
0
8.04
8.0
2.78
3.24
GND
5.54
GND
5.24
8.16
3.56
3.56
3.05
2.01
5.38
GND
3.69
12.02
5.03
5.03
5.03
pin #
pin #
MODES MODES
31 kHz 31 kHz68 kHz 68 kHz91 kHz 91 kHz
Table 10-2. IC251 (SAM9222G)
Unit: Vrms
8
12.08 V (IC251, #26)
CH1 P-P = 12.08 V CH1 RMS = 7.396 V
13
2.20 V (IC251, #15)
CH1 P-P = 2.20 V CH1 RMS = 2.776 V
15
3.42 V (IC201, #33)
CH1 P-P = 3.42 V CH1 RMS = 2.500 V
16
3.16 V (IC201, #32)
CH1 P-P = 3.16 V CH1 RMS = 2.560 V
10-3 Main Part Schematic Diagram
10 Schematic Diagrams
10-5 CSE78**T/CSE98**T
C431
R436
R425R424
R437
C435
Signal Line
Power Line
2
10
11
12
3
9
4
5
6
27
28
17
14
7
10 Schematic Diagrams
CSE78**T/CSE98**T 10-6
1 2 3 4 5 6 7 8
3.3
2.5
0.71
1.25
GND
2.12
11.86
4.98
2.58
2.5
0.41
1.41
GND
4.28
11.86
4.98
2.3
2.5 0
1.22
GND
5.05
11.86
4.98
pin #
MODES
31 kHz 68 kHz 91 kHz
Table 10-4. IC401 (KA3843)
Unit: Vrms
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16
4.86
4.86
1.49 0
0.66
3.42
GND
11.97
2.4
2.4
11.98
11.98 GND
4.86
11.98
4.86
4.86
4.86
1.32 0
0.61
3.43
GND
11.96
3.42
3.42
11.96
11.96 GND
4.86
11.96
4.86
4.86
4.86
1.29 0
0.6
3.42
GND
11.95
3.67
3.67
11.95
11.95 GND
4.86
11.95
4.86
pin #
MODES
31 kHz 68 kHz 91 kHz
Table 10-6. IC501 (TL494CN)
Unit: Vrms
17
0.8 V (Q554, Emitter)
CH1 P-P = 0.8 V CH1 RMS = 10.216 V
1 2 3 4 5 6 7
1.09
12.43
9.65
–13.6
0
11.56
1.09
1.09
12.28
9.65
–13.65
0
11.65
1.09
1.08
12.21
9.41
–13.65
0
11.58
1.09
pin #
MODES
31 kHz 68 kHz 91 kHz
Table 10-3. IC301 (TDA8172)
Unit: Vrms
1 2 3 4 5 6 7 8
9 10 11 12 13 14
–13.81
5.04
4.52
12.02
3.26
3.26
0.97
1.06
2.02
2.02
–13.81
NC NC NC
–13.65
5.04
4.44
12.02
3.26
3.26
–1.85
1.07
2.02
2.02
–13.65
NC NC NC
–13.64
5.04
4.41
12.02
3.26
3.26
–2.5
1.07
2.02
2.02
–13.64
NC NC NC
pin #
MODES
31 kHz 68 kHz 91 kHz
Table 10-5. IC403 (LM324M)
Unit: Vrms
3
230 V (Q405, Source)
CH1 P-P = 230 V CH1 RMS = 150.1 V
2
10.96 V (IC401, #6)
CH1 P-P = 10.96 V CH1 RMS = 6.180 V
5
54 V (Q406, Drain)
CH1 P-P = 54 V CH1 RMS = 22.44 V
4
11.6 V (Q406, Gate)
CH1 P-P = 11.6 V CH1 RMS = 6.944 V
6
18.6 V (Q407, Base)
CH1 P-P = 55.2 V CH1 RMS = 9.52 V
7
1.216 kV (Q407, Collector)
CH1 P-P = 1.216 kV CH1 RMS = 316 V
9
29.8 V (T402, #8)
CH1 P-P = 29.8 V CH1 RMS = 7.14 V
10
11.36 V (Q501, Gate)
CH1 P-P = 11.36 V CH1 RMS = 6.944 V
11
808 V (Q502, Base)
CH1 P-P = 808 V CH1 RMS = 244 V
12
234 V (Q503, Drain)
CH1 P-P = 234 V CH1 RMS = 171.5 V
14
580 V (T551, #1)
CH1 P-P = 580 V CH1 RMS = 278.2 V
27
50.4 V (IC301, #5)
CH1 P-P = 50.4 V CH1 RMS = 5.82 V
28
0.52 V (IC301, #1)
CH1 P-P = 0.52 V CH1 RMS = 1.078 V
10 Schematic Diagrams
10-7 CSE78**T/CSE98**T
Power Line
25 26
24
21
19
20
18
23
22
13-4 Video Part Schematic Diagram
10 Schematic Diagrams
CSE78**T/CSE98**T 10-8
1
2
3
4
5
6
7
8
9 10 11 12
13 14 15 16 17 18 19 20 21 22 23 24
GND
2.3
1.18
1.18 5
4.67 5 5
NC NC NC NC
NC NC NC
5
4.5
GND
0 0 0 0 0 5
GND
2.3
1.2
1.2 5
4.3 5 5
NC NC NC NC
NC NC NC
5
4.6
GND
0 0 0 0 0 5
GND
2.4
1.2
1.2 5 4 5 5
NC NC NC NC
NC NC NC
5
4.6
GND
0 0 0 0 0 5
pin #
pin #
MODES MODES
31 kHz 31 kHz68 kHz 68 kHz91 kHz 91 kHz
Table 10-9. IC04 (KA2501)
Unit: Vrms
1 2 3 4 5 6 7 8
9 10 11 12 13 14
15 16 17 18 19 20 21 22 23 24 25 26 27 28
0 0 0 0
2.4
11.8
GND
2.4
11.8
2.4
GND
3.9 5 5
10.7
10.8
10.8
4.9
4.6
4.5
2.5
GND
11.8
2.6
4.6
2.6
4.6
4.5
0 0 0 0
2.3
11.7
GND
2.3
11.7
2.3
GND
3.9 5 5
10.7
10.7
10.7
5.0
4.3
4.6
2.6
GND
11.7
2.6
4.6
2.6
4.7
4.5
0 0 0 0
2.3
11.7
GND
2.3
11.7
2.3
GND
3.9
4.7 5
10.7
10.7
10.7
4.8
4.0
4.6
2.5
GND
11.7
2.5
4.6
2.5
4.6
4.5
pin #
pin #
MODES MODES
31 kHz 31 kHz68 kHz 68 kHz91 kHz 91 kHz
Table 10-10. IC5 (KA2506)
Unit: Vrms
1 2 3 4 5 6 7 8
9 10 11 12
13 14 15 16 17 18 19 20 21 22 23 24
3.6
3.5
3.6
GND
3.6
GND
0
GND
0
GND
0
4.5
0 5
2.1 5 0 3
2.1 5
2.1 4 0
4.4
3.6
2.6
3.6
GND
3.6
GND
0
GND
0
GND
0 0
0 0
2.1 5 0 3
2.1 5
2.2 0 0
0.3
3.6
2.8
3.6
GND
3.6
GND
0
GND
0
GND
0 0
0 0
2.1 5 0
2.9
2.1 5
2.1
0.3 0
0.4
pin #
pin #
MODES MODES
31 kHz 31 kHz68 kHz 68 kHz91 kHz 91 kHz
Table 10-7. IC1 (BA7657S)
Unit: Vrms
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15
11.9
2.8
2.1 45
GND
44
2.1
2.7
11.8
GND
11.8
2.7
1.9 46 80
11.9
2.7 2
45
GND
46
2
2.6
11.8
GND
11.8
2.6
1.9
47 80
11.9
2.6 2
46
GND
46
2
2.5
11.8
GND
11.8
2.5 2
47 80
pin #
MODES
31 kHz 68 kHz 91 kHz
Table 10-8. IC03 (VPS14)
Unit: Vrms
18
0.96 V (IC5, #5)
CH1 P-P = 0.96 V CH1 RMS = 2.876 V
19
2.92 V (IC5, #26)
CH1 P-P = 2.92 V CH1 RMS = 2.688 V
20
5.32 V (IC5, #14)
CH1 P-P = 5.32 V CH1 RMS = 3.508 V
21
4.96 V (IC5, #13)
CH1 P-P = 4.96 V CH1 RMS = 3.586 V
22
40 V (IC03, #4)
CH1 P-P = 40 V CH1 RMS = 53 V
23
39.2 V (CN104, #3)
CH1 P-P = 39.2 V CH1 RMS = 71.72 V
24
4.84 V (IC04, #22)
CH1 P-P = 4.84 V CH1 RMS = 2.118 V
25
5.2 V (Q101, Collector)
CH1 P-P = 5.2 V CH1 RMS = 4.648 V
26
5.12 V (IC04, #17)
CH1 P-P = 5.12 V CH1 RMS = 4.756 V
IFT Only
Power Line
10 Schematic Diagrams
10-9 CSE78**T/CSE98**T
13-5 CRT Socket & Control Part Schematic Diagram
Power Line
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