Sony VPL-S900U Service Manual page 119

BA BOARD WAVEFORMS (1/3)
1 2 3
0.6Vp-p (H) 0.6Vp-p (H) 0.6Vp-p (H)
BA BOARD WAVEFORMS (2/3)
1 2 3
1.4Vp-p (H) 1.2Vp-p (H) 1.0Vp-p (H)
4 5 6
0.5Vp-p (H) 1.0Vp-p (H) 0.7Vp-p (H)
BA BOARD WAVEFORMS (3/3)
1 2 3
0.5Vp-p (H) 0.7Vp-p (H) 0.5Vp-p (H)
4 5 6
0.5Vp-p (H) 1.0Vp-p (H ) 1.5Vp-p (H)
7 8 9
1.0Vp-p (H) 0.9Vp-p (H) 0.8Vp-p (H)
10 11 12
0.8Vp-p (H) 0.6Vp-p (H) 0.6Vp-p (H)
13
0.6Vp-p (H)
VPL-S900E, VPL-S900M, VPL-S900U
A B
BA
BA BOARD IC2001, 2022 CXA1875AX
16
REG
1
BA BOARD IC2002 M52755FP
VCC1(R)
1
INPUT1(R) 2
VCC1(G)
3
N.C.
4
INPUT1(G)
5
VCC1(B)
6
INPUT1(B) 7
INPUT1(H) 8
INPUT1(V) 9
GND
10
INPUT2(R)
11
GND
12
INPUT2(G) 13
NC 14
GND 15
INPUT2(B)
16
INPUT2(H)
17
INPUT2(V) 18
8-11
C D
BA
15 14 13 12 11 10 9
OPEN COLLECTOR
LEVEL LEVEL
LATCH
CONVERTER CONVERTER
LEVEL
CONVERTER
I 2 C DECODER
POWER
ON
RESET
LATCH LATCH LATCH LATCH LATCH
—
DAC DAC DAC DAC DAC
+
VCC
AMP AMP AMP AMP AMP
2
3 4 5 6 7 8
36 VCC2(R)
35 OUTPUT(R)
34 GND
33 N.C.
32 N.C.
31 VCC2(G)
30 OUTPUT(G)
29
GND
28
VCC2(B)
27 OUTPUT(B)
26 GND
OUTPUT
25
(SynconG)
24 VCC
23 NC
22 OUTPUT(H)
21 OUTPUT(V)
20 GND
19 SWITCH
8-11
E F
BA BOARD IC2003, 2004 CXA2016S
VS IN 1
POLARITY V. RAMP EXIST
PVC 2
CHECK GENERATOR CHECK
EVC 3
CS IN 4
LOGIC
PHC 5 POLARITY EXIST
CHECK CHECK
CLAMP
EHC 6
PULSE
GENERATOR
VIDEO IN 7
SYNC SYNC
SEP CHECK
HD SEL 8
ISC 9 LEVEL
—
CONTROL
+
ISJ 10
11
GND
BIAS
BA BOARD IC2005 EL4332C
OUT1 1 16 A/B
–
GND1 2 15 VCC
A1 VCC
3 14
B1 4 13 V
B2 5 12 A3
A2 6 11 B3
GND2 7 10 GND3
–
OUT2 8 9 OUT3
BA BOARD IC2014, 2017 MM1112XFBE
1 8
SW 6dB OUT
2 7
SW
IN2 VCC
3 6
15K 15K
NC NC
4 5
BIAS
G
1
22 VCC
21 VD
20 VSS IN
19 VSS OUT
18 HD
17 PV
16 PH
15 CLP SEL
14 CLP OUT
2
13 CLP OUT
12 VSS REF
3
4
5
H