Sony VPL-S900U Service Manual page 107

and
7-5. BAA, H, QA QC BOARD BLOCK DIAGRAM
QA
(AUDIO)
IC1008
AUDIO SW/PROCESSOR
CN1003
1 L
L-VIDEO
40 IN13 REO1 23
A
41 IN12
3 R-VIDEO
42 IN11
TO
QB BOARD VCT BUFF,R-INVERTING
CN1501
R
45 IN23 REO2 14 6 IN2-
44 IN22
J1001
R-A
43 IN21
AUDIO
VCT 17 3 IN2+
L-A
INPUT-A
TCLC 12 27
TCLC11 28
J1002
R-B
TCHC1 29
AUDIO
L-B
INPUT-B
TCLC 22 10
TCLC 21 9
TCHC 2 8
CN1004
7 CE
22 CE
8 SDAT L
16 DATA ENTO1 24 3 IN1+
9 SCLK
21 CLK
R
ENTO2 13 5 IN2+
SP-MUTE
5
6 AUDIO-MUTE
H
Q1008
TO
2 SIRCS-S INV.
C BOARD
CN5002 BUFF
INV.
3 SIRCS
BUFF
Q1005
J1005
SW
CONTROL S-IN
Q1001
(PLUG IN POWER)
QC
IC1604
MOUSE RECEIVER
(MOUSE RECEIVER)
RTS 11
Q1606
CN1601
RXD 12
2 IRD A
SW
6 IR
I
98/AT/TXD 13
4 IRD B
TO
R 10
C BOARD
CN5022
L/PS 8
15 XTAL2
X1600 YB 2
8MHz 16 XTAL1 YA 1
XB 18
XA 17
CLK 7
DAT/R1 3
MCLR 4
(Q1603) (IC1602)
VPL-S900E, VPL-S900M, VPL-S900U
BAA, H, QA, QC, QD
IC1007
AUDIO AMP
L SUB SP+
12 IN-L L-OUT 19
L SUB SP-
F.B. 13
IC009 MAIN SP+
MAIN SP-
9 IN-R R-OUT 2
OUT2 7
R SUB SP-
F.B. 8
OUT1 1
R SUB SP+
Q1011,1012
SP-MUTE
Q1013
MUTE
+12V
Q1014 Q1007
MUTE MUTE
IC1006
HP AMP
L
OUT 1 1
R
OUT 2 7
Q1006 Q1003
MUTE
MUTE
SW
SUB+5V
MUTE
SW
Q1004
IC1001
TIMER
Q1002
5 2Q 2B 10 SW
CN1600
Q1608
SW
D1653
98/AT/TXD
L/PS
DAT/RI
IC1603
MONO MULTI
Q1605
13 1Q 1B 2
(Q1609)
98/AT/TXD
(Q1602) (IC1601)
(SAME AS TRD A PROCESS)
DAT/RI
BAA, H, QA, QC, QD
H
(CONTROL PANEL)
CN1001 CN6002 CN6003
6 6 L SUB SP+ L SUB SP+ 3
5 5 L SUB SP- L SUB SP- 4
4 4 MAIN SP+ MAIN SP+ 1
3 3
MAIN SP- MAIN SP- 2
2 2 R SUB SP-
CN6004
1 1 R SUB SP+ R SUB SP+ 2
R SUB SP- 1
KEY MATRIX
S6001-6008
S6009-6014
J1004
AUDIO OUT
KEY-MATRIX
LED
Q6002,6005
D6015-6028
SW
RTS 1
13
RXD
CN2801
IC2801
A6 R-A 3 6
9
B6 R-A
8
R
MOUSE PORT
7
( INPUT A )
MOUSE
YB 6
YA 5
4
XB
IC2802
3
XA
A8
G-A 3 6
B8 G-A
CLK 11
12
L
IC2803
A10 B-A 3 6
TO
B10
B-A
BA BOARD
CN2009
CN1602
1
RTS
13
RXD
A5 INB/MONI
9
R 8
7
L/PS
A12
H-A BUFFER
MOUSE PORT
Q2803
( ) B12 H-A
INPUT B
MOUSE DET
6
YB Q2802,2804
5
YA A14
V-A BUFFER
4
XB Q2806
B14 V-A
3
XA
DET
Q2805,2807
11
CLK
12
7-5 7-5
L
MAIN
R
CN6001
KEY0 2
KEY1 3
LED
D6003,6004, LAMP-LED 6
D6006,6007 TEMP-LED 7
F
POWER-LED 8
PSAVE-LED 9
TO
C BOARD
Q6001
D6005
CN5020
10
D.5V
SW
STBY-LED
11
LIGHT
SUB+5V
D6014
CN2803
RY2801
R INB/OUT B9
H INB/OUT B3
R INB A9
A3
H INB
Q2808
RELAY
DRIVE
RY2802
G INB/OUT B7
M
A7
G INB
TO
Q2809
BA BOARD
CN2008
RELAY
DRIVE
RY2803
B INB/OUT B5
B1
V INB/OUT
A5
B INB
V INB A1
Q2801
RELAY
DRIVE CN2802 CN2801
2 INB/MONI 2
IC2806
COMPARATOR
QD
6 IC2805
1 3
IC2807 3
3 1
5
BAA
1 IC2805
6 5
IC2807 2
5 7
7
(RGB DRIVE)
+5V
S1801
IN/OUT