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11 Schematic Diagrams
11-1 Cautions
1. The areas marked with a ! , or on the schematic diagram designate components which have special characteristics important for safety. Replace these parts only with parts identical to those in the original circuit and those specified in the parts list. Before replacing any of these components, carefully read the ÒProduct Safety Notice.Ó 2. Areas marked with a on the schematic diagram designate controls which have been sealed for safety during manufacturing. If these controls need adjustment, they must be replaced with new controls and then sealed after their adjustment. 3. When taking measurements, pay special attention to the following: 1) Do not use your instrument between primary ground (symbol 2) Do not use your instrument between secondary ground (symbol ) and secondary circuit. ) and primary circuit.
11-2 Notes
1. Resistance is shown in OHM. K = 1,000, M = 1,000,000 and the rated power of resistors not noted in the schematic diagram is 1/4W. 2. Capacitance is shown in µF. Capacitances not otherwise noted are shown in pF (1µF = 1,000,000 pF). Rated voltage of condensers not otherwise noted in the schematic diagram is 50 V.
11-3 Abbreviations and Symbols
MO FU CM MP P R-Metal Oxide Fusible R-Cement C-Metalized Polyester C-Polyester Hot Ground Electrostatically Sensitive Device (ESD) ! WW C MPP T R-Wire Wound R-Composition Metal Polypropylene C-Tantalum Can emit X-radiation Cold Ground Provides special safety considerations
1. The secondary voltage is read with an SSVM from the indicated point to a cold ground ( ). The primary voltage is read with an SSVM from the indicated point to a hot ground ( ). 2. This schematic diagram is subject to change without notice.
CKA42*7L/5227L
11-1
11 Schematic Diagrams
11-4 Micom/SMPS Part Schematic Diagram
8 9 13
10
12 11
7
4 5
1
14 15
3 2
11-2
CKA42*7L/5227L
11 Schematic Diagrams
11-5 HV-Defl/High-Voltage Part Schematic Diagram
16 17 31
32
30 29
27
26
25
18
19
28 24 23 22 21 20
CKA42*7L/5227L
11-3
11 Schematic Diagrams
11-6 Video Part Schematic Diagram
38
35
36
37
33 34
11-4
CKA42*7L/5227L
11 Schematic Diagrams
1 240 V (IC602, Drain)
2 55.2 V (T601, #7)
3 8.44 V (IC602, #5)
4 4.52 V (CN201, #9)
5 4.52 V (CN201, #11)
6 0.714 V (CN201, R-Video)
7 5.00 V (IC202, #11)
8 1.7 V (IC202, #2)
CH1 = 240 V
CH1 RMS = 175.8 V
CH1 = 55.2 V
CH1 RMS = 20.24 V
CH1 = 8.44 V
CH1 RMS = 5.028 V
CH1 = 4.52 V
CH1 RMS = 4.236 V
CH1 = 4.52 V
CH1 RMS = 286 mV
CH1 P-P = 0.714 V CH1 RMS = 110 mV
CH1 P-P = 5.00 V
CH1 RMS = 4.088 V
CH1 P-P = 1.7 V
CH1 RMS = 1.278 V
H-Sync
V-Sync
H-Size, duty
9 5 V (IC202, #3)
10 5.04 V (IC202, #8)
11 5.04 V (IC202, #33)
12 5.04 V (IC202, #34)
13 5.04 V (IC202, #37)
14 5.04 V (IC203, #5)
15 5.04 V (IC203, #6)
16 2.52 V (IC301, #3)
CH1 P-P = 5 V
CH1 RMS = 4.312 V
CH1 P-P = 5.04 V
CH1 RMS = 3.012 V
CH1 P-P = 5.04 V
CH1 RMS = 316 mV
CH1 P-P = 5.04 V
CH1 RMS = 1.720 V
CH1 P-P = 5.04 V
CH1 RMS = 5.024 V
CH1 P-P = 5.04 V
CH1 RMS = 3.888 V
CH1 P-P = 5.04 V
CH1 RMS = 3.800 V
CH1 P-P = 2.52 V
CH1 RMS = 10.44 V
17 45.0 V (IC301, #5)
18 6.40 V (IC401, #5)
19 2.30 V (IC401, #12)
20 5.04 V (IC401, #22)
21 5.04 V (IC401, #23)
22 3.28 V (IC401, #24)
23 4.76 V (IC401, #26)
24 12.1 V (IC401, #28)
CH1 P-P = 45.0 V
CH1 RMS = 5.48 V
CH1 = 6.40 V
CH1 RMS = 4.188 V
CH1 P-P = 2.30 V
CH1 RMS = 750 mV
CH1 = 5.04 V
CH1 RMS = 3.564 V
CH1 = 5.04 V
CH1 RMS = 3.500 V
CH1 = 3.28 V
CH1 RMS = 2.904 V
CH1 P-P = 4.76 V
CH1 RMS = 3.652 V
CH1 P-P = 12.1 V
CH1 RMS = 4.34 V
25 29.4 V (Q403, Collector)
26 10.4 V (Q402, Bias)
27 1.104 kV (Q402, Collector)
28 246 V (Q410, Collector)
29 12.48 V (Q508, Gain)
30 76.0 V (Q508, Drain)
31 31.0 V (T501,
32 232 V (T501,
CH1 P-P = 29.4 V
CH1 RMS = 13.16 V
CH1 P-P = 10.4 V
CH1 RMS = 1.384 V
CH1 P-P = 1.104 kV CH1 RMS = V
CH1 P-P = 246 V
CH1 RMS = 46.4 V
CH1 P-P = 12.48 V CH1 RMS = 4.032 V
CH1 P-P = 76.0 V
CH1 RMS = 61.04 V
CH1 P-P = 31.0 V
CH1 RMS = 6.88 V
CH1 P-P = 232 V
CH1 RMS = 54.0 V
33 4.72 V (CN101, #10)
34 102.0 V (CN101, #11)
35 3.10 V (IC101, #4)
36 4.92 V (IC101, #19)
37 72.0 V (IC102, #1)
38 60.8 V (SK103, #1)
CH1 P-P = 4.72 V
CH1 RMS = 4.432 V
CH1 = 102.0 V
CH1 RMS = 72.04 V
CH1 = 3.10 V
CH1 RMS = 2.320 V
CH1 = 4.92 V
CH1 RMS = 2.120 V
CH1 = 72.0 V
CH1 RMS = 45.76 V
CH1 = 60.8 V
CH1 RMS = 35.80 V
CKA42*7L/5227L
11-5
11 Schematic Diagrams
Table 11-1. IC101 (KA2141)
pin # pin # pin # MODES 1024 x 768 / 60 Hz 640 x 480 / 60 Hz 1.47 1.74 1.84 2.39 11.65 2.38 GND 2.39 0.16 ~ 3.04 4.99 1.47 1.74 1.84 2.39 11.66 2.38 GND 2.39 0.16~3.04 4.93 MODES 1024 x 768 / 60 Hz 640 x 480 / 60 Hz 4.37 5.79 3.42 GND 5.52 11.65 3.53 5.49 3.59 1.5 ~ 2.1 4.13 5.8 3.35 GND 5.53 11.66 3.46 5.50 3.52 1.5 ~ 2.1
Table 11-2. IC102 (LM2406)
pin # MODES 1024 x 768 / 60 Hz 640 x 480 / 60 Hz 44.72 GND 43.83 GND 44.60 75.66 GND 3.42 3.53 11.66 3.59 46V GND 45.09 GND 46 72.77 GND 3.35 3.47 11.66 3.52
Table 11-3. IC201 (KIA7545)
pin # MODES 1024 x 768 / 60 Hz 640 x 480 / 60 Hz 5.05 GND 5.03 5.05 GND 5.03
Table 11-4. IC202 (68HC705)
pin # MODES 1024 x 768 / 60 Hz 640 x 480 / 60 Hz 0~5 0~5 0~5 5.03 5.05 GND 2.46 2.08 5.03 5.03 4.94 0~5 0~5 0~5 5.03 5.05 GND 2.46 2.08 5.03 5.03 4.94 MODES 1024 x 768 / 60 Hz 640 x 480 / 60 Hz 5.05 5.05 3.82 3.68 5.05 5.03 5.02 5.02 5.03 4.98 5.03 5.05 5.05 3.82 3.68 5.05 5.03 5.02 5.02 5.03 4.98 5.03
pin #
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
1 2 3 4 5 6 7 8 9 10 11
1 2 3
Unit: Vrms Table 11-5. IC203 (24LC04B)
MODES 1024 x 768 / 60 Hz 640 x 480 / 60 Hz GND GND GND GND 5.02 5.03 GND 5.05 GND GND GND GND 5.02 5.03 GND 5.05
Unit: Vrms Unit: Vrms
1 2 3 4 5 6 7 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 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
Unit: Vrms
Unit: Vrms
Table 11-6. IC204 (24LC211/P)
pin # pin # MODES 1024 x 768 / 60 Hz 640 x 480 / 60 Hz GND 3.82 3.68 4.78 4.99 GND 3.82 3.68 4.78 4.99
Table 11-8. IC302 (L2M2M)
pin # MODES 1024 x 768 / 60 Hz 640 x 480 / 60 Hz 9.57 13.02 9.54 11.03 9.54 9.57 2.12 2.13 9.57 13.02 9.54 11.03 9.54 9.57 2.12 2.13
Table 11-9. IC401 (TDA9109)
pin # MODES 1024 x 768 / 60 Hz 640 x 480 / 60 Hz 5.06 3.026 4.02 2.374 2.378 7.97 9.32 -0.5 7.91 2.349 4.65 36.8mV 5.06 3.026 4.02 2.374 2.378 7.97 9.32 -0.5 7.91 2.349 4.65 36.8mV MODES 1024 x 768 / 60 Hz 640 x 480 / 60 Hz GND 7.04 GND 5.30 8.04 3.51 3.44 2.901 6.73 2.772 GND 1.633 12.05 5.04 5.04 5.04 GND 7.04 GND 5.30 8.04 3.51 3.44 2.901 6.73 2.772 GND 1.633 12.05 5.04 5.04 5.04
Table 11-10. IC601 (TL431CLP)
pin # pin # MODES 1024 x 768 / 60 Hz 640 x 480 / 60 Hz 2.52 GND 10.69 2.52 GND 10.69
Table 11-12. IC603 (7805)
MODES 1024 x 768 / 60 Hz 640 x 480 / 60 Hz 13.04 GND 5.09 13.04 GND 5.09
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
Unit: Vrms
Unit: Vrms
Table 11-7. IC301 (TDA9302)
pin # MODES 1024 x 768 / 60 Hz 640 x 480 / 60 Hz 1.09 12.98 10.90 10.99 5.5 12.92 1.09 1.09 12.98 10.90 10.99 5.5 12.92 1.09
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
1 2 3
1 2 3
Unit: Vrms
Unit: Vrms
Table 11-11. IC602 (KA2S0880)
pin # pin # MODES 1024 x 768 / 60 Hz 640 x 480 / 60 Hz 189.5 GND 19.70 2.389 4.8 189.5 GND 19.70 2.389 4.8
Table 11-13. IC604 (78R12)
MODES 1024 x 768 / 60 Hz 640 x 480 / 60 Hz 12.97 12.11 GND 9.22 12.97 12.11 GND 9.22
1 2 3 4 5 6 7
Unit: Vrms
1 2 3 4 5
1 2 3 4
Unit: Vrms
Unit: Vrms
Unit: Vrms
11-6
CKA42*7L/5227L