Service Manuals, User Guides, Schematic Diagrams or docs for : Akai Цифры 21CTU93BC 21CTU93BC
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CRT COLOR TV SET
21CTU93BC
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SERVICE MANUAL
AKAI 21CTU93BC
This manual is the latest at the time of printing, and does not
include the modification which may be made after the printing, by
the constant improvement of product
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- Content ......................................................................................................................... 2
- Bill of Materials ............................................................................................................. 3
- Safety Precautions ....................................................................................................... 7
- TV Block Diagram ......................................................................................................... 8
- Replacement Of Memory IC ......................................................................................... 10
- Service Adjustment ...................................................................................................... 10
- ICs Functional Description .......................................................................................... 18
- Test point Waveforms .................................................................................................. 22
- Purity / Convergence Adjustment ............................................................................... 23
- Explore View Diagram .................................................................................................. 25
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SER DESCRIPTION QTY PCB NO.
CABLE & SOCKET
1 AV6-14 1 XS801
2 CH5B-2.5-2DY 3 XS601 XS602 XS702
3 CH5B-2.5-4DY 4 XS403 XS703 XS704 XS804
4 CH5B-2.5-5DY 1 XS201
5 CH7-10-1DY 1 K9N
6 CH7-10-2DY 2 XS501 XS502
7 CH7-8-10-4DY 1 XS402
8 CH9-2.5-2DY-400-CH5B-W () 1 XS701
9 CH9-2.5-4DY-400-CH5B-4W()() 1 XS702
10 CH9-2.5-4DY-450-CH5B 1 XP902
11 CH9-2.5-4DY-550-CH5B 1 PA102
12 CH9-2.5-5DY-500-CH5B 1 XP901
13 H03VVH2-F0.75mmX2C (250MM) short power cord 1
14 Power cord (2200mm ) 1
15 RCA-106A (red) 1 AV3
16 RCA-106A (white) 1 AV2
17 RCA-106A (yellow) 1 AV1
CARBON RESISTOR
18 RT-1/2W-1K-J 1 R403
19 RT-1/2W-220K-J 1 R501
20 RT-1/2W-220-J 1 R564
21 RT-1/2W-22K-J 1 R487
22 RT-1/4W-1.8K-J 1 R507
23 RT-1/4W-150-J 1 R575
24 RT-1/4W-1K-J 2 R406 R457
25 RT-1/4W-1-J 1 R302
26 RT-1/4W-2.2-J 1 R304A
27 RT-1/4W-2.7K-J 1 R508
28 RT-1/4W-220K-J 1 R401
29 RT-1/4W-27-J 1 R720
30 RT-1/4W-33-J 2 L201 R940
31 RT-1/4W-8.2-J 1 R511
32 RT-1/4W-82-J 1 R562
33 RT-1/6W-1.2K-J 1 R105
34 RT-1/6W-1.5K-J 1 R706
35 RT-1/6W-1.8K-J 2 R301 R303
36 RT-1/6W-100K-J 5 R313 R554 R716 R802 R837
R110 R111 R208 R209 R210 R212 R306 R307 R710 R711
37 RT-1/6W-100-J 18
R712 R714 R715 R823 R824 R825 R826 R838
R109 R211 R576 R602 R611 R612 R614 R702 R723 R811
38 RT-1/6W-10K-J 18
R812 R815 R817 R821 R836 R912 R922 R932A
39 RT-1/6W-12K-J 1 R207
40 RT-1/6W-150K-J 2 R605 R700
41 RT-1/6W-15K-J 3 R725 R609 R610
R553 R558 R565 R566 R573 R713 R730 R803 R805 R816
42 RT-1/6W-1K-J 13
R818 R820 R822
43 RT-1/6W-2.7K-J 1 R705
44 RT-1/6W-220K-J 2 R407 R226
45 RT-1/6W-220-J 6 R101 R309 R806 R913 R923 R933
46 RT-1/6W-22K-J 2 R706 R221
47 RT-1/6W-27K-J 2 R402 R701
48 RT-1/6W-3.3K-J 3 R613 R703 R704
49 RT-1/6W-3.9K-J 1 R704
50 RT-1/6W-330-J 3 R916A R926 R936
51 RT-1/6W-33K-J 2 R205 R705
52 RT-1/6W-390-J 1 R201
53 RT-1/6W-39K-J 4 R204 R222 R604 R603
54 RT-1/6W-39-J 1 R103
55 RT-1/6W-3K-J 1 R559
R104 R108 R213 R311 R707 R709 R718 R719 R721 R727
56 RT-1/6W-4.7K-J 13
R728 R703 R719A
57 RT-1/6W-4.7-J 1 R217
58 RT-1/6W-470-J 6 R102 R218 R219 R220 R312 R807
59 RT-1/6W-47K-J 3 R106 R726 R606
60 RT-1/6W-47-J 6 R911 R914 R916 R924 R932 R934
61 RT-1/6W-5.1K-J 1 R414
62 RT-1/6W-680-J 3 R202 R707 R719B
63 RT-1/6W-8.2K-J 1 R702
CERAMIC CAPACITOR
64 CT-1KV-1000pF-K( 2 C504 C505
65 CT-2KV-1000pF-K 1 C943
66 CT-2KV-471pF-K 1 C553
67 CT-2KV-680pF-K 2 C513 C511
68 CT-500V-1000pF-K 1 C452
69 CT-500V-3900pF-K 2 C451 C510
70 CT-63V-0.01uF-Z 9 C104 C105 C106 C216 C569 C612 C613 C701 C711
71 CT-63V-0.1uF-K 5 C220 C222 C223 C707 C713
72 CT-63V-1000pF-J 6 C202 C203 C205 C206 C213 C214
73 CT-63V-220pF-J 3 C313 C702 C703
74 CT-63V-390pF-J 3 C921 C931 C911
75 CT-63V-560pF-J 1 C225
76 CT7-2E4-400VAC-3300pF-M 1 C517
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SER DESCRIPTION QTY PCB NO.
COIL, IN,LF,TFM
77 130-208-0011 1 L405
78 3.0mH 1 L404
79 BCK-42-09936 1 T501
80 JBC-184-EI19/YDD-EI19 1 T451
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