Sony RA-3B Service Manual page 108

A BOARD SCHEMATIC DIAGRAM (3 OF 3)
1 | 2 | 3 |
A
+5V
3.4
Y
MAIN Y
—
R1614
1k
:CHIP
R1616
1k
:CHIP
B
CCR CCG
CCR
CCB
CCB
CCB
CCG
CCG
CCYS
CCYS
—
C
TV
TV OUT
—
BGP
D
YUVSW
DV
TO (1/3)
DVD V
DU
DVD U
—
MBLK
MBLK
SCL
SCL
SDA
SDA
EY
E
EY
EU
EU
EV
EV
—
F
VP-BUFF
PIP 9V
— HP
+5V
IC1701
5V REG
7.0 5.0
7V I O
G
G
C1701
C1704
47
100
16V 25V
C1703 C1702
0.01 0.01
25V 25V
B:1608 B:1608
—
REG 5V
H
FSC
—
I
—
J
4 | 5 | 6 |
Q1602
2SD601A R1619
2.2k
:CHIP
5.1
IC1601
Z8622912SSC-00TR
MAIN V CHIP/CC.
C1608
33p
0
50V
CCR
CH:1608
AS R
0 0.1 0.1 Q1601
2SD601A
G BOX
0
R1627
CCYS
3.3k
B SDO
:CHIP R1601
5.0 3.3 0
4.7k
SCL
:CHIP
SEN SCL
R1622 0.7 4.1 R1610
100 :CHIP
220 :CHIP
SDA
HIN SDA
2
C1601 C1602 1 R1609
470p 100 :CHIP
0.1
SMS INTRO
16V 50V
1.7
B:1608 CH:1608
VIDEO VDD
C1605
1.5
0.1 16V B:1608
CSYNC VSS
C1604 1.2
0.0068 25V B:1608
LPF RREF
C1607
0.1
1.5
R1607
16V
C1603 10k
R1605 B:1608
0.068 6.8k :RN-CP
16V :RN-CP
B:1608
Q1603
2SD601A
0.1
1.5
C328
+5V
0.01
25V
B:1608
IC1603
PST9143NL
RESET
NC
VCC
C1619 R1617
GND
22k
0.1
:CHIP
25V
RESET GND
F:1608
5.0
C1609
C1606
2.2
2.2
6.3V
6.3V
F:1608
F:1608
R1703
R1702 R1701
0
0 0
:CHIP
:CHIP :CHIP
C1705
100p
50V
CH:1608
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21
R1704
68
IC1702 :CHIP
FRAME MEMORY
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
C1707
0.1 C1706
FB1704
0.1
25V HM601
FB1703
25V
F:1608 :CHIP
HM601
F:1608
:CHIP
FB1702 L1705
HM601
:CHIP :LB2016
C1708
C1712
0.1 47
25V 25V
F:1608
RB1700 RB1701 RB1702 RB1703 RB1704 RB1705
R1714
100
:CHIP
0 5
7 | 8 | 9 | 10
Y
+5V
C329 L212
47 R344
100
25V :LAV35
:CHIP
R340
R341 R343
8.4
330 R342
470 22k
1k Q228
:CHIP :CHIP
:CHIP
:CHIP 6.1
2SD601A
BUFF.
C315
6.0 Q227
56p
2SD601A
50V
CH:1608 PEEKING2
Q226 5.5
2.8
2SD601A
R339
PEEKING1
2.9
1k
3.4 R338
:CHIP
3.5 15k
:CHIP
R335
R336 R337 C314
470 1k 47
910
:CHIP
:CHIP 25V
:CHIP
IC1704
FL1706
MPC29M33
FL1705 STC332B
3.3V REG.
STC332B
5.0 3.3
I O
G
FB1707
C1777 C1776
HM601
C1778 0.01 C1775
0.01 :CHIP
0.1 47
25V 25V
25V 25V
B:1608 B:1608
F:1608
C1741
10
Q1701
2SB709A
R1764
BUFF
0
:CHIP 4.8
R1709 0.1 R1710
4.4 4.7k
R1712 0
0 :CHIP
+5V :CHIP
:CHIP
0.1
L1706
R1721
:LB2016
470
:CHIP
Q1705
C1711
2SD601A
0.1
C1710
25V BUFF
47
F:1608
25V
MA8
L1709
:LB2016
+3.3V
C1728
4.7
C1720 C1718
0.1 47
25V 25V
F:1608
R1731
1k R1735
:CHIP 560
C1722
:RN-CP
0.1
| 11 | 12 | 13
9V
YUVSW
D1903
1SS355
R1911
4.7k
D1906
:CHIP
1SS355
D1907
1SS355
R1912
C1910
4.7k
0.01
:CHIP 25V
MBLK
B:1608
D1901
1SS355
D1902
1SS355
9V
R1903 R1904
4.7k 4.7k
1.7
:CHIP
:CHIP
R1902
C1970
1.0 1k 1.0
:CHIP 0.01
R1901 25V
0.4
1k B:1608
:CHIP
Q1902
Q1901
2SB709A
2SB709A
LEVEL SHIFT
LEVEL SHIFT
R1917 R1918
47 1k
:CHIP :CHIP
Q1912
4.3
2SD601A
4.9 4.9
BUFFER
Q1911
2SB709A
BUFFER
R1921
47 R1922
1.2
1.5 :CHIP 1k
1.7
:CHIP
Q1914
4.4
2SB709A
R1919 R1920
330 BUFFER 4.9
560
:CHIP :CHIP
4.9
0.4
0.8
R1923 R1924
470 560
:CHIP :CHIP
+5V
FB1708
C1725 C1709 HM601
R1705 R1706
0.1 0.1 :CHIP
1k 8.2k R1707 R1708
25V 25V
:CHIP :CHIP 1k 820
F:1608
F:1608
:RN-CP :CHIP
Q1703
2SD601A
4.9
Q1702
BUFF
2SD601A 3
3.4 BUFF
R1711
Q1704
220
C1715
2SD601A
:CHIP 4.1
1
BUFF
Q1706
3.5 4.5
2SB709A
3.7 3.5 R1719
BUFF
560
4.1
C1716 :RN-CP 3.8 R1713
470p 100
R1720
R1715 R1716 :CHIP
C1714 50V R1717 R1718
1k
10 2.2k 220k CH:1608 2.2k 5.6k C1717
:CHIP
:CHIP :CHIP :CHIP :RN-CP 15p
C1721
50V
0.1
CH:1608
R1722
25V
F:1608 100 1 2 3
:CHIP
FL1701
Q1707 6 4
2SD601A
VIDEO
BUFF 3.9
3.7 R1765
2.2k
:CHIP
C1768
47
25V
C1743
FB1715
0.1 R1733 R1734
R1732 HM601
Q1711 25V 2.2k 33k
5.6k :CHIP
2SD601A F:1608 :RN-CP :CHIP
:RN-CP
Q1712
BUFF
5.8
2SD601A
| 14 | 15 |
D1905
R1937
10k 1SS355
:CHIP
C1920
Y 0.1
R1928
16V 100 :CHIP
B:1608 R1927
100 :CHIP
C1922
0.1
16V
3.2
B:1608 Q1913
2SD601A
0.1
C1911
47
R1929
25V
R1941
6.2k
10k
:RN-CP
:CHIP
24 23 22 21 20 19 18 17 16 15 14 13
IC1901
CXA2039M-T6
YUV CONT.
1 2 3 4 5 6 7 8 9 10 11 12
9
R1930
0
:CHIP
Y
R1905
8.2k
:CHIP
C1904
R1906 R1909 0.01
0.9
8.2k 4.7k 25V
B:1608
:CHIP :CHIP
1.5
Q1903
2SB709A
BUFFER
0.4
Q1905
1.0 1.0
2SB709A
0.9
BUFFER
Q1915
2SD601A 1.5
BUFFER Q1907
2SB709A
BUFFER
9V
L1701
2
:LB2016 SUB
R1915
4.7k
:CHIP
R19
1
:CH
VIDEO