Sony CCU-M5A Service Manual page 68

1
2
3
4
5
A B
PR-170 (2/2)
Q501
2SC1623
9V
VIDEO AMP
5V
R501
3k
C501 C503 C505 C506
33 0.1 22 0.1 4.9
50V 50V
TP501 Q501
C507
100 R502
16V 1500
CN9(1/2)
CN-774;3-1 1 RETURN VIDEO IN(X)
-0.6
R503
3300
CN9(2/2)
2 RETURN VIDEO IN(G)
C502
22 C504
50V 0.1
-5V
S1(1/2) S1(2/2)
OPE
2
1
3
ADJ
C551 C552
22 0.1
50V
RV515
5k
E501
C674
22 C675
RV515; GAMMA SET
50V 0.1
Q546
2SK94
BURST GATE
C588
0.1
0
C589 C591
Q546
56p (NTSC) 56p (NTSC)
47p (PAL) 0 47p (PAL)
S
R602
1k
?
D504
R603 1S2837
E502 L506
(NTSC)
27µH 4700
22µH (PAL)
C590
10
16V
C593
10
16V
C626 C627
33
50V
CN10(1/2)
CN-774;3-3 1 GEN LOCK VIDEO IN(X)
CN10(2/2)
2 GEN LOCK VIDEO IN(G)
C679
C680
22
0.1
50V
4-6
C D
PR-170 (2/2)
Q502 Q503 Q504 Q505 Q506
2SC1623 2SC1623 2SA812 2SA812 2SC1623
BUFF Y BUFF SYNC SEP. AMP CLAMP
R513
9.0
10k
Q503
9.0 R507
Q502 4.3
2200 C513
9.0 9.0
0.1
C508 C509 C510
Q504 Q505
(NTSC) (NTSC)
56p 56p R509 0.33 C511
9.0
47p (PAL) 47p (PAL) 3.6 33 25V 9.2 47p
C560
0
4.2 R505 R512
1 4p
1k 47k
1.9
1.7
Q506
R515
L501 4700 0.2
27µH (NTSC) R506 R508 R510 R511 C512
2
R504 22µH (PAL) 1k 2200 470k 4700 10
1k 16V
R514 C514
R710 4700 100p
2200
FL1
SC
TRAP
IC13(1/4) Q524
TL064CNS 2SJ106GR-TE85BL
IC13(3/4) IC13(4/4)
IC13(2/4) Q525 TL064CNS TL064CNS
TL064CNS 2SK94
Y & KNEE CORRECTION
2.5
R551 R559
4700 10k
5 3.4
7.6 C553 C556
7
33 0.1
13 Q524
5 2.5 R554 50V
6
4 1M
1.0 2
6
R552 R553
9.0 1
470k 470k R557
1.0 13
1.6 10k
3
2.3
4 12 2.5
R555
1M R560
14
1.6 1500
10 13 1.6
13
S 2.2 8.4 D503
8 11
R556 RV502 1S2837
13 Q525
4700
9 50k
1.6 -5.0
1.6 R558
1k
C557 C558
RV502;GAMMA
22 0.1
50V
Q547 Q548 Q549 Q550 Q551 IC17
2SC1623 2SC1623 2SK94 2SC1623 2SC1623 SN16913P
SC AMP BUFF BURST GATE SC AMP BUFF SC 0 /180 DETECTOR
9.0
7.5
R606
3300 9.0
Q548 8
R612 9.0 C599
Q551
3300 0.01 5
V CC
4.5
4.5
3.1
17
0 4.0 Q550 4.0
Q547 7
0
LOCAL
4.5
Q549
C595 R610
-0.6 0 0.022 220 LV502 2 3
S
-0.6 47µH (NTSC)
-0.6
R604 22µH (PAL) C600 3.1
1k 0.01
1 3
R608
2200
?
R614
4.5
680
R609 R613 C598 C601
4700 2200 0.01 0.01
C596 C597
C594 56p (NTSC) 56p (NTSC)
R605 10 (PAL) (PAL)
R607 R611 47p 47p
10k 3300 16V 3300
LV502;SC 180 ADJ
Q558 Q559 Q560 Q561 Q562
2SC1623 2SC1623 2SC1623 2SC1623 2SA812
CHROMA BUFF VIDEO AMP Y BUFF SYNC SEP. SYNC AMP
R644
0.1 4700
R643 9.0
R636 R639
100k Q562
C633
1k 2200 0.6
33p
9.0
C632
Q560 Q561
0.33
7.2 R642 R647
1.8 8.3
50V 22 1k
TP505
C628
Q559
R634 1 D508
100 50V 0.6 8.9
1S2837
7.2
0
C629
L510 (NTSC)
47p
C634
47µH 27p (PAL) 1.2 6.6
L511 0.1
9.0 33µH
Q558 50V
RV517
2k R638 R645 R646
-0.04
2200
100k 6800
C630
-0.6 R641
R637 10 R640
1k 1k
820 16V
R635 C631
RV517 ;BURST LEVEL
56p (NTSC)
3300
47p (PAL)
4-6
E
Q508 Q509 Q510 Q511 Q512
Q507 2SC1623 2SK94 2SC1623 2SC1623 2SA812 Q513
2SA812 2SK94
RET:VIDEO DLKG CLEAN
Y BUFF SYNC CLIP SWITCH
OUT OFF SWITCH
9.0
R517
Q510 Q511
10k R521 R524 R525
R520 10k 10k 4700
1.0 5.6
R516 1k
470
0.9 Q512
C519
Q507
RV501 33 C520
5.3
5.3 5k 50V 0.1
5.0
0
Q509 Q513
0.5 0.6 3.9
S
Q508
R518 C517 C518
1k 100 22
1.2 S
16V 50V
0.7 R526
R522 5100 -3.4
2200
2.4
R519
5.0 100k R523
C516 4300
47 D501 :RN-C
C515
35V RD3.3M
22
50V
C521
22 C522
50V 0.1
RV501; SYNC CLIP LEVEL
Q526 Q527 Q528 Q529 Q530 Q531 Q532 Q533
2SC1623 2SC1623 2SJ106GR-TE85BL 2SK94 2SC1623 2SC1623 2SC1623 2SC1623
CHROMA 0 SWITCH 180 SWITCH BUFF CHROMA BUFF BUFF
AMP BUFF
Q531 9.0
9.0 C563
R561 R565 0.01 R579
9.0
9100 R564 2k 2200
100 :RN-C R567 R705
5.0 Q530 Q533
100 -0.6 360
5.0
9.0 :RN-C -0.7 R581
-0.7
10k
Q527
9.0
4.4
-0.6 4.4
Q526 C564
C565
120p (NTSC) -1.3 C567 R582
120p (NTSC)
R566 C700 R570 100p (PAL) 0.01 1k
-0.08 Q528 Q529 100p (PAL)
100 0.01 100
1.1
S S
-0.6 R572
6200
0
4.4 -0.6
C561
4.9 Q532
33 C562
50V 0.1 C566
8.1
R569 R571 0.01
0.5 1M 1M
R563
R575
R562 1300 R568 R573 R574 R576 R577 R578 C568
360
4700 :RN-C 2200 3300 1500 4700 1k 4700 0.01
:RN-C
C677 C678
22 0.1
50V
(NTSC)
22µH (PAL)
Q552 Q553 Q555 Q556
2SC1623 2SC1623 2SA812 2SC1623
SC AMP BUFF CLAMP SC BUFF
C603
10 R615
16V 2200 R622
0.6
9.0 6800
Q553 Q556
R623
1 6.0
100
OUT
Q552 Q555
L507 C609
0 0.02 0.6
100µH 0.1
C607 C608 -0.08
4 0
33 0.1
GND
L512 R616 50V 5.4
100µH 680
-0.6
-5.0
Q554
6
R620 -0.3
4700
4.5 R618
L508 3300
3.9µH (NTSC) S
2.7µH (PAL) C610
10 R619
16V 470k 0
C602
0.01
C605 C606
470p 47p
D505
1S2837
C611 R617 C612 C613
C604
0.1 22 3300 22 0.1 C614
50V 50V 10 R621
16V 10k
Q563 Q564 Q565 IC20
2SA812 2SC1623 2SA812 µPC311G2 IC21(1/2)
MC14528BF
CLAMP PEAK DETECTOR SYNC SEP.
RV516
C638
50k
100
16V C639 R656
R651 680p 47k
R650 R654
6800 2200
5.0 820
9.0 0
Q563
D509 8.9 TP520
1 2
1S2837 R655
5600
9.0 3
6
RD Q
8.9
TP506 16
8 0
1.1 3 V
DD
- 6
Q564 5 0 21
9.0 7 4
R652 1.1 R657
20
2200
4700 2 T Q
8.9 5
+ 4 GND
1
1.5 3.9 8.9
1.1 Q565 8
R649
0.85
0.83 2200 0 9.0
0
C635 C636 R653
0
R648 0.1 4.7 C637 1M
150k 50V
50V 0.01
RV516 ;1/2M ADJ
F G
Q514 Q515
2SC1623 2SC1623
CHROMA AMP BUFF
R529
9.0
3300
Q515
4.5
C525
Q514 3.9
0 0.01
C524 R528
0.022 470
-0.6
3.9
R531
R527 2200
4700
R530
3300
C523
10
16V
IC14
SN16913P
GAIN CONT
R584 R585
R580 2200 4700
4700
9.0
9.0
8 1
R586
4.4 10k
7 V CC OUT
14
5 4 0
SIG GND
LOCAL
3.1
2 3 6
4.4 3.1 4.4
R583
10k
RV503
20k
C569 C570 C571 C572
0.01 0.01 0.1 0.01
RV503; BIAS-1
IC18(1/2) IC18(2/2) Q557
TL082CPS TL082CPS 2SC1623
LPF INV INV
9.0 R631
9.0 10k
-0.1
C615 C616
R624 1 1
33k 50V 50V
6
8.9
8 -0.1
Q557
7 2 D506 R629
18
RD3.0M 47k
5 1
18
4
3
R626 -4.8
-0.07 -3.5
33k
-5.0 R628
-0.2 -5.0
22k
R625 C617 C618 R627 R630
3300 0.1 0.1 150 47k
IC21(2/2) IC19(1/2)
MC14528BF MC14528BF
RV507
20k RV508
20k
R658 C642 R659
10k 33p 15k
C641 TP508
8.9 0 8.9
220p
TP507 1 2 R660
0
560
9.0
15 14 3 6
RD Q
0
13 10 16
RD Q
V DD
12 21 19
5
9
11 T Q 4 T Q
GND
9.0
8
0
C643
10p
RV507; CLAMP PULSE RV508; CLAMP PULSE WIDTH
CCU-M5A/M5AP V2
H