Sony VPL-CX11 Service Manual page 75

CXA1846BN-T4 (IC700) MB88346BPFV-EF (IC716)
20 19 18 17 16 15 14 13 12 11
–
8dB STEP 1dB STEP
VSS 1
VOLUME VOLUME
A03 2
LATCH ZC VCT
LATCH
CONTROL DET BUFFER
A04 3
SHIFT
REGISTOR
A05 4
8dB STEP 1dB STEP
VOLUME VOLUME
A06 5
–
A07 6
1 2 3 4 5 6 7 8 9 10
A08 7
A09 8
NJM2073M (IC706, 707) A10 9
VS
VDD 10
2
+INPUT A 7
M52739FP (IC723)
1 OUTPUT A
-INPUT A 8
R OSD IN 26
+INPUT B 6
R INPUT1 42 CLAMP
3 OUTPUT B
-INPUT B 5
R INPUT2 40 CLAMP
R GND1
39
4
25
G OSD IN
GINPUT1 37 CLAMP
G INPUT2 35 CLAMP
NJM2901V (IC708)
G GND1 34
B OSD IN 24
B INPUT1 32 CLAMP
OUTPUT 2 1 14 OUTPUT 3
30 CLAMP
B INPUT2
OUTPUT 1 2 13 OUTPUT4
B GND1 29
V+ 3 12 GND
A V CC 14
INPUT 1- A GND 13
4 11 INPUT 4+
INPUT 1+ 5 10 INPUT 4-
6 9 INPUT 3+
INPUT 2-
CXA3512R (IC725, 726, 728, 729, 731, 732)
INPUT 2+ 7 8 INPUT 3-
CAL_R 49
IRMF-AOT-QTP (IC712)
CAL_O 50
CAL_I 51
V 52
DD
VDD 1
DGND 53
MCLK 54
IRIN1 2
MCLKX 55
U1
5 IROUT GND 56
GND 57
IRIN2 3
DLYCTR 58
CLKOUT 59
CLKOUTX 60
MODE SELECT
RES 4 8 VSS NC 61
INPUT
CLKIN 62
CLKINX 63
7 6
F/H_CNT 64
VPL-CX11
LMV358MMX (IC739)
12 BIT SHIFT REGISTER
D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11
20 INPUT 1 (–)
GND
ADDRESS
19 A02
DECODER
8
INPUT 1 (+)
12
1 2 3 4 12
18 A01
D0 D7 D0
D7
17
DI
8 BIT 8 BIT
1
LATCH LATCH
16 CLK
8 BIT 8 BIT
R-2R R-2R
D/A CONVERTER D/A CONVERTER
15 LD
CXD3503R-T6 (IC737)
14 DO
13 A12
12 A11
11 VCC
HSYNC
A01 A12
R V CC 1 G V CC 1 B V CC 1 OSD BLK IN
41 36 31 27
1 R V 2
CC
CONTRAST OSD 2
AMP R OUTPUT
INPUT 3 R GND2
SUB CONT
SELECT
CLAMP
(8BIT)
F/B
4
G V CC 2
R SUB BRT
(8BIT)
CONTRAST OSD AMP 5
G OUTPUT
INPUT
6 G GND2
SUB CONT
SELECT
CLAMP
(8BIT)
F/B
8
G SUB BRT B V CC 2
(8BIT)
9 B OUTPUT
CONTRAST OSD AMP
TC4W53FU(TE12R) (IC710)
INPUT 10 B GND2
SELECT SUB CONT
CLAMP
(8BIT) OSD SW
F/B
(1BIT)
MAIN BRT
(8BIT)
OSD SW
B SUB BRT
MAIN 21 DIGITAL
(4BIT) (8BIT)
CONTRAST V CC
8BIT
19
BUS SDA
DAC I/F
SCL
20
INPUT
SELECT
18 DIGITAL GND
1BIT
16 7,11,15,17,22,23,28,33,38
CLAMP PULSE IN GND
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
TC74VHCT04AFT (IC808, 810)
SID
INVERT 32 SHOUT1
AMP
31 NC
CALIBRA-
TION
VCOM 30 SHOUT2
AMP
29 NC
S/H S/H S/H BUFFER
28 SHOUT3
OFFSET CANCEL
27 NC
S/H S/H S/H
BUFFER
26 PV
CC
OFFSET CANCEL
D
CLOCK 25 GND
S/H S/H S/H BUFFER
DELAY
24 GND
OFFSET CANCEL
23 PGND
S/H S/H S/H BUFFER
S/H
22 NC
OFFSET CANCEL
pulses
21 SHOUT4
TIMING S/H S/H S/H
BUFFER
GENERA-
20 NC
TOR OFFSET CANCEL
19 SHOUT5
S/H S/H S/H BUFFER
offset
cancel 18 NC
OFFSET CANCEL
mode
timing
SHOUT6
17
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
C C
OUTPUT 1 1 8 VCC
2 7 OUTPUT 2
6
3 INPUT 2 (–)
GND 4 5
INPUT 2 (+)
45 31 24 34 56 32 44 33
50
NC 1
ı NC
55
NC 2
6bit
BUFF. DAC 36 DACO2
BUFF.
60
H,V
MEMORY
MEMORY
DETECTOR
CONTROLLER (SRAM) 37 BFIN2
VST 3
38
BUFF. AOUT2
OPERATION
6bit
HST 4 ELIMINATOR
BLOCK
DAC
41 DACO1
42 BFIN1
MAIN
CONTROLLER
V UP/DOWN
BUFF. 43 AOUT1
COUNTER
CLCK 64
6bit
DAC 46 DACO0
MAIN
H UP/DOWN
MEMORY
COUNTER 47
MASTER CLOCK BFIN0
(SRAM)
CKI1 63
48 AOUT0
BUFF.
SYSTEM CLEAR
8 TEST0
XCLR 61
DATA
9 TEST1
SCTR 57
SCLK 58 SERIAL I/F BLOCK
10 TEST2
SDAT 59
11-16,
17 35 39 49 6 5 7 62 18-23, 40
25-30
VCC CH1 CH0 ADR
8 7 6 5
1 2 3 4
COM INH VEE VSS
VCC
14 13 12 11 10 9 8
1 2 3 4 5 6 7
GND
6-21 6-21
C Board Waveforms (2/5) C Board Waveforms (4/5)
1 9
VIDEO VIDEO
1.2 Vp-p (H) 6.4 Vp-p (H)
2 0
VIDEO VIDEO
1.2 Vp-p (H) 10.0 Vp-p (H)
3 !-
VIDEO VIDEO
1.3 Vp-p (H) 10.0 Vp-p (H)
4
VIDEO
C Board Waveforms (5/5)
4.0 Vp-p (H)
5 !=
VIDEO VIDEO
4.0 Vp-p (V) 6.4 Vp-p (H)
![
VIDEO
C Board Waveforms (3/5)
10.0 Vp-p (H)
6
VIDEO
!]
VIDEO
6.4 Vp-p (H)
10.0 Vp-p (H)
7
VIDEO
10.0 Vp-p (H)
8
VIDEO
10.0 Vp-p (H)