Schematic Diagram - Main Section (1/2) - Sony CX-LFA660 Service Manual

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7-5. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) —
3 7 6 3 1 5 1 5 0
2
3
4
5
6
7
8
9
10
11
12
13
JW655 JW029
T E
L 1 3 9 4 2 2 9 6 5 1 3
CN602
21P
w w w
CN603
25P
CX-LFA660/LFA770
• See page 34 for IC Block Diagrams.
IC501
BA6956AN
CN604
27P
CN501
5P
L501 C506 C503
0.01 100
16V
C646 R668
10 50V *
R667
C647
*
10 50V
C637 470 16V
R672
15k
R602
15k
R601
15k
R631
470
(660) (770)
R643 1k JW
R644 1k JW
R645 1k JW
R633 C619 R634
39k 0.001 39k
R646 1k JW
R650 1k JW
R651 1k JW
Q301
2SK2158-T2B
C303
R303
Q302
2SK2158-T2B
C302 C301
0.001 0.001
Q303
2SK2158-T2B
R301
R302
18k
18k
(660) (770)
R652 1k JW
R653 100 JW
R654 100
JW
T301
R655 1k JW
BIAS OSC
R656 1k
JW
R657 1k JW
C451
0.012
R658 1k JR
100V
R669 1k JR
R670 1k JW
x a o
y
. i
http://www.xiaoyu163.com
FB665
FB665
0UH
FB661 0
FB667 0
FB663 0UH
FB666 0
C617 4.7 50V
R665 22k
R666
C618
22k
4.7
C643
50V
0.0022 C642
0.0022
C611 R627 R628
R043
0.22 2.2k 2.2k
220 1/4W
50V
C614
0.47
R042
50V
220 1/4W
C615
R629 R630 4.7
R609 68k 68k 50V
15k
C609 C610 C616
R041
180p 180p 4.7
220 1/4W
50V
R606 2.2k
R605
Q Q
2.2k
3 7 6
R040
100 1/4W
IC601
BD3881FV
C621
100p C622
100p
R632 R638 390k R647
470 15k
R637 C625 0.022
390k
R639 R641 150k
5.6k
R640 C626
5.6k 0.022 R648
C620 R635 R636
47k
0.001 56 56
R642 150k
C631
R671
R649 330
C623 C624 0
22k 10V
47 16V 47 16V
Q304
KRA303-RTK C304
100 16V
Q305
KRA303-RTK
R304
220p
4.7k
Q307
KTA1504 Q306
KTA1504
1M
D301
1SS133T-77
Q452 Q453
2SD13873 KTA1266GR-AT
R454
2.2k
Q451
2SC2001-LK
R450
C453 R451 C457
18k
Q450 0.015 18k 0.018
2SC2001-LK 50V
R456
C459
22k
R452 R453
47
5.6 5.6 C458 16V
1/4W 1/4W R455
10
6.8k
50V
C452
2.2 50V
u 1 6 3
27 27
http://www.xiaoyu163.com
2 4
8 9 9
L660,664,666 L661,665,667
0
10uH 10uH
JW NO MOUNT
L660
L661
L664
L665
L666
L667
R660
10k
R662 C660
FB664
* 220p FB660
0UH
JW
R661
R659
* C659
10k
220p
C636
0.01
3 1 5 1 5 0 8 9
D290
1SS133T-77
17uH
D291
1SS133T-77
C227
0.1
Q290 50V
KTC3198GR
-AT
R292
R293
8.2k Q291
10k
2SC3052F
T1-LF
Q293
2SC3052F
T1-LF
R291 C226
1k 0.1 C228
Q292 L202
50V 0.1 50V
R296 2SC3052F 17uH
47k T1-LF
C290
R295 R294 47
0 10k 25V
C292
4.7
50V
CN601
7P
J702
R457
2.2k
R458
10k
Q454 C460
KRC102M-AT 10
50V
m
c o
.
CX-LFA660/LFA770
2
8 9 9
14
15
16
18
19
20
21
22
23
24
25
26
27
28
29
J601
C669 0.1
30
31
32
33
34
35
2 4 9 8 2 9 9
CNA201
5P
C225 R253
0.1 10
50V 1/4W
J201
TERMINAL, 4P SP
R250
10
1/4W
CN290
3P
C763
0.1 25V
W701
R759
R763
220 1/2W
2.2k
R761
1/8W
220 1/2W
CN701
5P
R762
R760
220 1/2W 220 1/2W