ETC CHB-7707

13 Schematic Diagrams
13-1 SMPS Part Schematic Diagram
CN603
CN602
CN606
R630
1
T601
2
R633
C610
CN_PFC
SW601
R609
C619
R634
Power Line
13-1
CHB5**7L/6**7L7**7L
13 Schematic Diagrams
pin #
Table 13-1. IC601 (KA2S0680)
1
2
3
4
5
1 544 V (IC601, #1)
2 544 V (IC601, #1)
CH1 P-P = 544 V
CH1 P-P = 544 V
MODES
800 x 600 / 85 Hz 640 x 480 / 60 Hz
1.05
GND
–33.2 mV
–57.0 mV
–42.0 mV
10.30
GND
–34.0 mV
–48.0 mV
–46.0 mV
CH1 RMS = 51.84V
CH1 RMS = 51.84V
Unit: Vrms
CHB5**7L/6**7L/7**7L
13-2
13 Schematic Diagrams
13-2 Micom Part Schematic Diagram
R249
IC201
18
SW200
Power Line
Signal Line
13-3
CHB5**7L/6**7L7**7L
13 Schematic Diagrams
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
MODES
800 x 600 / 85 Hz 640 x 480 / 60 Hz
4.370
5.080
–1.810 mV
5.080
5.085
2.450
2.123
NC
14.53 mV
13.361
16.451 mV
5.084
NC
–1.85 mV
5.066
5.084
–3.650 mV
52.28 mV
10.02 mV
5.039
1.629
4.706
5.079
–1.970 mV
5.080
5.085
2.450
2.121
NC
13.31
13.31
13.31
5.090
NC
–2.00 mV
5.067
5.085
–3.540 mV
51.800 mV
8.01 mV
5.042
1.630
pin #
pin #
Table 13-2. IC201
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
18 5.00 V (IC201, #6, 7)
MODES
800 x 600 / 85 Hz 640 x 480 / 60 Hz
5.079
2.511
4.700 mV
3.633
3.517
NC
NC
NC
GND
0.529
NC
3.998
NC
3.837
4.751
8.430
5.079
5.079
5.031
5.073
0.298
5.081
4.054
3.170 mV
3.635
3.519
NC
NC
NC
GND
0.528
NC
5.035
NC
3.840
4.465
6.310
5.082
5.082
5.034
5.076
4.334
CH1 P-P = 5.00 V
CH1 RMS = 2.966 V
Unit: Vrms
CHB5**7L/6**7L/7**7L
13-4
13 Schematic Diagrams
13-3 High Voltage Part Schematic Diagram
R548
46V
T502
C554
SK501
C556
14
R553 R554
Q551
D508
C552
R551
R552
C551
13
C519
R556
C553
T501
R550
C518
46V
R524
R532
11
10
R503
9
Power Line
Signal Line
13-5
CHB5**7L/6**7L7**7L
13 Schematic Diagrams
pin #
Table 13-3. IC501 (TL494CN)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
9 1.14 V (IC501, #3)
10 12.16 V (IC501, #5)
11 9.12 V (Q502, Gate)
13 50.8 V (T502, #6)
14 360 V (T502, #1)
CH1 P-P = 1.14 V
CH1 P-P = 12.16 V CH1 RMS = 6.376 V
CH1 P-P = 9.12 V
CH1 P-P = 50.8 V
CH1 P-P = 360 V
MODES
800 x 600 / 85 Hz 640 x 480 / 60 Hz
4.859
4.855
1.753
21.80 mV
0.910
3.485
GND
11.834
3.035
3.034
11.834
11.834
GND
4.896
5.334
4.901
4.868
4.867
2.471
12.40 mV
1.245
3.485
GND
11.836
1.458
1.458
11.836
11.836
GND
4.896
5.336
4.895
CH1 RMS = 837 mV
CH1 RMS = 3.736 V
CH1 RMS = 16.56 V
CH1 RMS = 114.4 V
Unit: Vrms
CHB5**7L/6**7L/7**7L
13-6
13 Schematic Diagrams
13-4 H/V OSC & Vertical Parts Schematic Diagram
R545
R542
R541
R540
8
CN302
V_DY
3
R303 R312
12
6
R406 R407
7
C413
R418
R411 R412
C417
C414
Q402 R413
D403
R414
C412
R416
D404
R417
Power Line
Signal Line
13-7
CHB5**7L/6**7L7**7L
13 Schematic Diagrams
1
2
3
4
5
6
7
Table 13-5. IC302 (LM324N)
MODES
pin #
pin #
Table 13-4. IC301 (TDA9302H)
800 x 600 / 85 Hz 640 x 480 / 60 Hz
1.221
13.368
–10.366
–11.013
–8.0 mV
13.111
1.225
1.223
13.314
–10.435
–10.913
–5.0 mV
12.936
1.225
6 720 mV (IC401, #24)
7 3.40 V (IC401, #23)
CH1 P-P = 8.80 V
CH1 P-P = 720 mV CH1 RMS = 2.792 V
CH1 P-P = 3.40 V
8 46.4 V (IC301, #5)
12 720 mV (IC401, #10)
CH1 P-P = 46.4 V
CH1 P-P = 720 mV CH1 RMS = 2.710 V
MODES
800 x 600 / 85 Hz 640 x 480 / 60 Hz
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Unit: Vrms
3 8.80 V (IC401, #6)
2.264
1.271
1.270
11.847
4.760
5.084
–10.894
–10.307
3.120
1.824
–10.888
1.270
1.270
–2.616
2.264
1.270
1.270
11.848
4.851
5.086
–10.721
–10.136
3.131
1.824
–10.718
1.270
1.272
–3.916
Unit: Vrms
CH1 RMS = 6.176 V
CH1 RMS = 6.30 V
CH1 RMS = 3.756 V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
MODES
800 x 600 / 85 Hz 640 x 480 / 60 Hz
4.753
10.70 mV
5.084
2.840
4.183
2.527
2.534
3.663
0.216
2.247
77.18 mV
–0.367
8.072
4.748
5.040
0.153
4.467
8.50 mV
5.084
3.324
4.255
1.531
1.537
3.778
0.225
2.752
73.60 mV
–0.447
8.070
3.850
5.145
51.50 mV
pin #
pin #
Table 13-6 IC401 (TDA9109/S)
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
MODES
800 x 600 / 85 Hz 640 x 480 / 60 Hz
GND
11.626
–0.220
5.256
8.166
3.560
3.600
2.951
30.91 mV
4.432
GND
2.861
11.632
5.083
5.083
5.084
GND
11.627
–0.670
5.470
8.162
3.570
3.610
3.367
31.97 mV
4.812
GND
1.358
11.633
5.086
5.086
5.087
Unit: Vrms
CHB5**7L/6**7L/7**7L
13-8
13 Schematic Diagrams
13-5 Horizontal Part Schematic Diagram
4
H-DY
R444
R448
R443
5
R432
Power Line
Signal Line
13-9
CHB5**7L/6**7L7**7L
13 Schematic Diagrams
CHB5**7L/6**7L/7**7L
4 104.0 V (T401, #1)
5 26.4 V (T402, #10)
CH1 P-P = 104.0 V CH1 RMS = 51.84 V
CH1 P-P = 26.4 V
CH1 RMS = 7.02 V
13-10
13 Schematic Diagrams
13-6 Video Part Schematic Diagram
20
19
17
16
15
Power Line
Signal Line
13-11
CHB5**7L/6**7L7**7L
13 Schematic Diagrams
1
2
3
4
5
6
7
8
9
10
11
12
13
14
MODES
800 x 600 / 85 Hz 640 x 480 / 60 Hz
2.187
2.213
2.201
0.147
2.416
11.796
GND
2.397
11.795
2.407
GND
4.158
5.083
5.083
2.183
2.210
2.203
0.149
2.428
11.790
GND
2.409
11.790
2.419
GND
4.164
5.084
5.084
pin #
pin #
Table 13-7. IC101 (KA5606)
15
16
17
18
19
20
21
22
23
24
25
26
27
28
800 x 600 / 85 Hz 640 x 480 / 60 Hz
37.920
GND
40.214
GND
41.230
72.018
GND
2.303
2.385
11.793
2.568
Unit: Vrms
35.970
GND
38.230
GND
39.274
71.988
GND
2.447
2.529
11.792
2.717
17 34.4 V (IC102 #1, 3, 5)
CH1 P-P = 780 mV CH1 RMS = 2.494 V
CH1 P-P = 2.72 V
CH1 P-P = 34.4 V
800 x 600 / 85 Hz 640 x 480 / 60 Hz
11.185
11.179
11.197
4.750
4.320
4.360
2.299
GND
11.796
2.381
4.540
2.565
4.420
91.96 mV
11.178
11.171
11.188
4.463
4.635
4.406
2.449
GND
11.791
2.531
4.389
2.719
4.462
92.85 mV
CH1 RMS = 2.498 V
CH1 RMS = 44.52 V
19 4.92 V (IC104, #10)
20 4.84 V (IC104, #5)
CH1 P-P = 4.92 V
CH1 P-P = 4.84 V
CH1 RMS = 5.072 V
CH1 RMS = 4.222 V
Table 13-9. IC104 (LSC4520P2)
pin #
pin #
1
2
3
4
5
6
7
8
9
10
11
MODES
16 2.72 V (IC101 #21, 24, 26)
MODES
Unit: Vrms
Table 13-8. IC102 (LM2407)
15 780 mV (IC101 #5, 8, 10)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
MODES
800 x 600 / 85 Hz 640 x 480 / 60 Hz
1.54 mV
2.279
2.278
5.047
3.757
NC
5.082
5.082
5.080
5.054
NC
0.147
2.207
2.213
2.187
1.580 mV
1.74 mV
1.376
1.381
5.061
4.022
NC
5.084
5.084
5.083
5.063
NC
0.147
2.208
2.212
2.188
1.870 mV
Unit: Vrms
CHB5**7L/6**7L/7**7L
13-12
13 Schematic Diagrams
13-7 CRT Part Schematic Diagram
13-13
CHB5**7L/6**7L7**7L