Sony BVW-55 Maintenance Manual page 740

9P
6P
1
8P
8P
8P L-C_NO_SIG
2
3
9P
4P ADV_C_SW_PLS
5P C_SYNC_SEP_VIDEO
8P
4
9P Y/C_DL_CONT
8P
6P
9P SCH_TRACKING
8P
9P
5 8P
4P
H-PEDESTAL_OSC_O
8P C_GUARD_BAND
5P
A B
R1501
100
H-SV_LOCK
SERVO_V
R1502
100
C_GH
R1503 100
C_SHW
+6V
R1504
100
L1501
47uH
C1501 C1503
33uF 0.1uF
E1501
6.3V
C1502 C1504
33uF 0.1uF
6.3V
L1502
47uH
-5V
*
Some DM-121 boards have the following "OLD" parts.
When the parts are replaced,replace them with "NEW" parts.
REF.NO. OLD NEW
IC1608 NJM360M-TE2 TL712CPSR
R1655 NM 0
R1656 0 NM
R1657 NM 0
R1658 0 NM
R1537
RV1602: ME BCH Y/C DLY
0
NM ME BCH Y/C DLY
XTAL_INS
IC1601(3/3)
R1653 TC4W66FU(TE12R)
0
+4V
VCC
GND
R1549 R1647
10k 0
NM IC1601(1/3)
TC4W66FU(TE12R)
1 2
RV1602
10k
R1552
7 18k
R1646
0
R1550
NM
10k
C_WBLK
+6V
13
R1554
R1546 10k
- 14
R1541 10k
10k
12
+
IC1502(3/4)
TL084CPW-E05
R1547 C1602
10k 1uF
50V
R1536
100
F-BID
C_SPD
C_SDO
+4V
R1544 R1540
IC1601(2/3)
10k 0
TC4W66FU(TE12R)
NM
5 8
R1551
18k
RV1604: OX BCH Y/C DLY 6 5 6 A VDD
RV1604
1
10k R1557
OX BCH Y/C DLY
7
3
VEE VSS INH
R1543 3 4 2
0
R1545
NM
10k RV1601
5k
IC1604
TC4W53FU(TE12R)
R1558
R1500 100
PH
R1555 100 NM
C_WRITE_V
R1534 100
+6V
C1332
0.022uF
R1542 R1548 R1553
R1538 22k 10k 10k
3
8
39k
+
1
2
-
4 E1601
R1539 C1601
10k 1uF
50V
IC1603(2/2)
R1535
100 LM2903PW-E05
C_SIG_EX
C
DM-121 (7/9) DM-121 (7/9)
C1505
0.022uF
+6V
L1603
C1665 C1658 C1659
C1664
10uH 0.1uF 0.1uF
0.1uF
C1662
33uF
6.3V
+2.5V-2
R1559 R1563 R1568
2.2k 470 470
C1611
0.1uF
Q1602
2SA1611T1-M5M6
R1560 L1601
470 39uH
C1615
1uF
C1604 C1605 C1608 C1610 50V
10pF 47pF 220pF 47pF Q1603
2SA1611T1-M5M6
Q1601
2SA1611T1-M5M6
+4V
R1581
10k
+2.5V-2
IC1606(3/5)
R1556 R1574 +9V
TC74HC4066AFT(EL)
2.7k 2.4k C1607
0.022uF
R1561
3 4
TH1601 1.5k R1569
0 NM 10k +
R1573
IC1605(1/4)
10k
9 8 2
TL084CPW-E05 RV1603 -
10k
5 11
6
+
7
R1562
6
-
0
C1603
33k 0.022uF
R1570 C1614 R1577
10k 10uF 10k
16V
RV1601: Y/C DLY RV1603: OX Y/C DLY
Y/C DLY OX Y/C DLY
4P YC_DELAY_CONT_CH
4-46 (a) 4-46 (a)
D E
C1508 R1514
0.1uF
C1506
+2.5V-2 33uF R1510 L1503 C1512 R1511 1 4
6.3V 1k 100uH 330pF 100
2
R1505 R1508 3 6
22k 10k
C1509 C1510 C1511 C1513 L1504
15pF 22pF 120pF 10pF 220uH
R1513
220
R1506 R1509 C1507 R1512
8.2k 27k 0.022uF 2.2k
0.1uF
R1649
4.7k
1 R1650
0
3 2
MODE 8P
D1502
1SS300-TE85L
5P W_DIAG_C
R1590 C1625
3.3k 47pF
+9V
R1597
RV1606
330
1k
RV1606: C SLOPE
R1593 C1609 C1626
2.2k 47uF 0.022uF
C SLOPE *
16V R1651 +6V
IC1608
0
TL712CPSR
(NJM360M-TE2)
Q1605
L1610
2SA1611T1-M5M6
47uH C1630
0.022uF
9
R1598
- 100
8 *
R1655
10
+ IC1605(2/4) 0
(NM)
TL084CPW-E05 3 +V 7
IN+ OUT+
R1594
R1596
12k
R1587 470 220
C1627
2 6
470pF
IN- OUT-
-V GND
R1586 C1622
4.7k 100pF C1628
0.01uF
R1591
10k
Q1604
*
2SC3735-T1B-B35
R1656
NM C1629
(0) 0.022uF
R1564 13k
+6V
R1565 18k
RV1605: C FREQ
C FREQ
R1566 12k
R1603
RV1605 2.2k
2k
C1624
0.022uF
C1635
100pF
R1592 R1599
10k 2.7k
R1582
IC1605(3/4)
47k
NM TL084CPW-E05
1 13
R1595
- 220
14
IC1605(4/4) C1631
+2.5V-2 100pF
TL084CPW-E05 12
+
D1601
DA204UT106
6 7
R1589
C CR 5
220
9 Q
10
12
Q
RD
C1606 R1652 C1621 C1623
0.022uF 47k 100uF 0.022uF
6.3V
11
VCC
C1632 C1633
100uF 0.022uF
GND
6.3V
F
Q1502
2SC4177-T1L5L6
+2.5V-2
C1514 C1515 C1517 C1518 C1521
1k 5pF 12pF 12pF 47pF 0.022uF
R1518 R1517
10k 10k
L1505 L1506
5 15uH 33uH
Q1501
IMX1T110
C1519
0.022uF
R1516
470
C1523
0.022uF
R1515
2.2k
TP1501
C PB SYNC
C1516
0.022uF
R1519 R1520
33k 33k
R1600
220
* *
R1658 R1657
NM 0
(0) (NM)
R1601 TH1602
330 NM
R1602
3.3k
C1634
100pF
14 15
C CR 13
1 Q
2
4
Q
RD
3
IC1609(1/3)
SN74LS221NS-E05
IC1609(2/3)
SN74LS221NS-E05
IC1609(3/3)
SN74LS221NS-E05
BVW-55
G H