Sony VPH-G90U Service Manual page 406

BB (5/5) BOARD
1
TO_P4
UD2
2
INI
TO_P4
3
TO_P4 RST0
TO_P3P4 C13
TO_P4 C27
4
UD1
TO_P4
UD4
TO_P4
UD3
TO_P4
TO_P3 FP
TO_P4
C54
5
XCLH
TO_P3
TO_P3
VBK
TO_P3 VBLK
TO_P3 XVD
A B
R901
0
R902 :CHIP
0
:CHIP
R905
0
:CHIP
R910
0
R911 :CHIP
0
:CHIP
C906
0.1
3.3V
L900
25V
C905
10µH F:CHIP
:CHIP 0.1 25V F:CHIP
C907
0.1
25V
C939
F:CHIP
47
16V
:AL-CP
3
UD23
4
UD24
5
UD25
6
UD26
7
UD27
8
UD28
9
UD29
C915 VDD1
0.1
25V VSS1
F:CHIP
VSS2
0
INI0
1
INI1
2
INI2
3
INI3
4
INI4
5
INI5
6
INI6
7
INI7
8
INI8
VSS3
RST
VSS4
RST0
C920 VDD2
0.1
25V VSS5
F:CHIP
C13
C924 VDD3
0.1
25V VSS6
F:CHIP
C926 VDD4
0.1
25V VSS7
F:CHIP
C27
C929 VDD5
0.1
25V VSS8
F:CHIP
C932 VDD6
0.1
25V VSS9
F:CHIP
0
UD10
1
UD11
2
UD12
3
UD13
4
UD14
5
UD15
6
UD16
7
UD17
8
UD18
9
C935
0.1 25V F:CHIP
+3.3V
C936
0.1
25V
F:CHIP
C
BB (5/5) BB (5/5)
NOMV
BRMI
R908 R909 RC-VD
100 100
:CHIP :CHIP
RC-HD
R508
0
:CHIP
C908
0.1
25V
+3.3V
F:CHIP
C909
C910
0.1 0.1
25V 25V
F:CHIP
F:CHIP
DBO2
C912
DBO1 0.1
25V
F:CHIP
DBO0
VSS20
VDD15
DRO9
DRO8
DRO7
DRO6
DRO5
VSS19
DRO4
DRO3
C917
DRO2 0.1
25V
DRO1 F:CHIP
DRO0
VSS18
XOC
VDD14
IC902 AVDB
CXD2071R
BIO
RC POST
PROCESSOR
AVSB
AVSR
RIO
AVDR
VG
VRF
IRF
VB C927
0.1
25V
AVSY
F:CHIP
YIO
AVDY
VSS17
VDD13
OCL
VDD12
C54
VSS16
VDD11
DYO9
DYO8
DYO7
DYO6
DYO5
C938
0.1
25V
F:CHIP
C937
0.1
25V
F:CHIP
PAL/NT ≠≠ ≠
TO_P1P2P3
10-44 10-44
D E
IC900
C900 CXA1211M-T4
10
GAIN CONT
16V
:AL-CP
RC-V
C940
IN1 5V
0.1
25V
F:CHIP
IN2
CONT1
C901
0.1 OUT1
CONT2
TO_P1 25V
F:CHIP
BC-V
TO_P1 GND OUT2
BC-U
BC-Y
TO_P1
R906
1k
C902
:CHIP
TO_P1 10 16V :AL-CP
IC901
C903 CXA1211M-T4
10
GAIN CONT
16V
:AL-CP
RC-U
C941
IN1 5V
0.1
25V
F:CHIP
C904
0.1 IN2
CONT1
25V
F:CHIP
OUT1
CONT2
GND OUT2
R914
R913
1k
1k
C911 :CHIP
:CHIP
10 16V :AL-CP
IC903
CXA1211M-T4
C913
10
GAIN CONT
16V
2V-GAIN 2U-GAIN
:AL-CP
RC-Y
IN1 5V
C942
0.1
25V
F:CHIP
IN2
CONT1
C914
0.1 OUT1
CONT2
25V
F:CHIP
GND OUT2
R917
1k
C916
:CHIP
10 16V :AL-CP
C918
0.1
25V
F:CHIP
C919 +5V
0.1
25V
F:CHIP
L901
5V
10µH
:CHIP
C923
R918
0.1 3.3k
C922
C921
25V :CHIP 47
F:CHIP C925 0.1
16V
25V
0.1
:AL-CP
25V F:CHIP
F:CHIP
R920
R919 2.2k
3.3k :RN-CP
1 2 3
:RN-CP
R922
6 4
220
C930 C928
R923 :RN-CP
0.1 25V F:CHIP 0.1 25V F:CHIP
200
C931 :RN-CP
Q901 FL900
0.1 25V F:CHIP
2SA1162
BUFFER
C933
0.1
R925 R926
25V 1 2 3 220
220
F:CHIP :RN-CP :RN-CP
R927
C934 200
Q902
0.1 :RN-CP
25V 2SA1162
F:CHIP
BUFFER 6 4
R930
220
FL901
:RN-CP
R929
220
Q904
:RN-CP
2SA1162
R931
BUFFER
200
1 2 3 4 5 6
:RN-CP
12 10 9 7
FL902
GND
TP901
BB
(5/5)
(POST DRC/AMP)
F G
RC OUT TO_P1
2Y-GAIN
R915 R916
1k 1k
:CHIP :CHIP
RV900 RV901 RV902
10k 10k 10k
+5V
R921
220
:RN-CP
Q900 RC-U
2SC2712
BUFFER
R924
1.5k
:CHIP
+5V
Q903
RC-V
2SC2712
BUFFER R928
1.5k
:CHIP
Q905
2SC2712
BUFFER
RC-Y
R932
1.5k
:CHIP
B-%1640<AEP>-BB-5
VPH-G90J/G90E/G90U/G90M
H