Schematic Diagram - Mb-134 Board (9/13) - Sony HBD-E770W Service Manual

Q Q
3 7 6 3 1 5 1 5 0

5-15. SCHEMATIC DIAGRAM - MB-134 Board (9/13) -

1 2
MB-134 BOARD (9/13)
A
B
AVDD33_VDACR
AVSS33_VDACR
AVDD33_VDACY
C AVSS33_VDACY
AVDD33_VDACBG
AVSS33_VDACBG
T E
L 1 3 9 4 2 2 9 6 5 1 3
D
IC101
BD DECODER
CXD9983GG
(Chip Size Package)
E
12
XVMUTE
FORMAT1
MB-134
BOARD
(10/13)
(Page 44)
29
F PCONT2
MB-134
PCONT3
BOARD
(13/13)
(Page 47)
DAC3.3VA
28
UNSW-6V
G
UNSW6V
MB-134
BOARD
w w w
(3/13)
GND
(Page 37)
Note: IC101 on the MB-134 board cannot exchange with single. When
this part is damaged, exchange the entire mounted board.
HBD-E770W
• See page 68 for IC Block Diagrams. • See page 77 for IC Pin Function Description.
3 4
A33
DACOUT1
C33
DACOUT2
B32
DACOUT3
JL1001
A31
DACOUT4
JL1002
C31
DACOUT5
D30
DACOUT6
R1011
150
E31
H32
G31
H30
D32
F32
E33
DACFS
R1005
2.2k
(10/15)
IC101
CSP
C1004
1
x a o
y
. i
http://www.xiaoyu163.com
5 6 7
IC B/D
IC1003
R1010
VIDEO AMP
150
IC1003
MM1797CVBE
R1012
150
0.8
1 Vin Vcc2
3.3
R1007
Vcc1 V out
2
150
0.7
3 Pr in SD/HD
1.6
R1009
4 Bias Pr out
150
0.7
C1002
5 Pb in GND
0.1
-5
R1008
6 Vee 1 Pb out
150
0.8
PY in PY out
7
3.3
8 Mute Vee 2
C1016 0.1
C1012 0.1
R1006
0
C1009 1 Q Q
3 7 6
C1010 0.1
C1001
47
C1015 0.1
10V
C1006 1
C1017
47
10V
C1014 C1018
47 22
10V 10V
IC B/D
5
IC1001
+3.3V REGULATOR
IC1001
NJM2878F3-33(TE2)
1 2
R1013
1k
u 1 6 3
43 43
2 4
8 9 9
8 9
3.3
R1031 R1035
16
75 0
1
15
0
R1028 R1032
14
75 0
0
13
R1029 R1033
12
75 0
0
11
0
10
-5
R1030 R1034
9
75 0
JL942
JL941
3 1 5 1 5 0 8 9
JL940
JL944
JL946
R1016
1k
IC B/D
4 5 4
IC1002
-5V REGULATOR
IC1002
NJM2828F3-05
3 1 2 3
C1008
0.1 m
c o
.
HBD-E770W
2
8 9 9
10 11
J904
VIDEO
OUT
P /C
R R
2 4 9 8 2 9 9
COMPONENT
VIDEO OUT
P /C
B B
Y