Sony STR-DE1075 Service Manual page 43

IC307 MB90089F-G-238-BND (VIDEO Board)
YIN 1
CIN 2
VIN 3
AVCC 4
FSCO 5
VBLK 6
VCC 7
4 FSC
EXS 8
CLOCK
OSCILLATOR
XS 9
CIRCUIT
NTSC/PAL
HSYNC 10
SIGNAL GENERATOR
CIRCUIT
VSYNC 11
H/V
EXHSYN 12
SEPARATE
EXVSYN 13
CIRCUIT
VSS 14
IC401, 501, 601, 701 TC94A07P (MAIN Board)
TRIM VOLUME
VSS 1
0-+24dB/
1dB STEP
TRIM 2
DECODER
LATCH CIRCUIT
TRIM 3
TRIM 4
OUT 5
MAIN
VOLUME
0- –85dB/
1dB STEP
VRGND 6
DECODER
LATCH CIRCUIT
DECODER
IN 7 LATCH CIRCUIT
CS1 8
GND 9
CLK 10
ANALOG
SWITCH
VIDEO
SIGNAL
GENERATOR
CIRCUIT
FOR
COLOR
BURST
DISPLAY
MEMORY
CHARACTER
CONTROL
VRAM
DOT-CLOCK
GENERATOR
VIDEO PHASE SYNC
TRIM VOLUME
0-+24dB/
1dB STEP
DECODER
& &
LATCH CIRCUIT
DECODER
& &
LATCH CIRCUIT
DECODER
& &
LATCH CIRCUIT
24 BIT
SHIFT REGISTER
CIRCUIT
LEVEL SHIFT
CIRCUIT
28 AVSS
27 YOUT
26 COUT
25 VOUT
24 CS
SERIAL
INPUT 23 SIN
CONTROL
22 SCLK
DATA
21 TEST
20 VOC0
19 VOC1
OUTPUT
CONTROL
18 VOC2
17 VOB
CGROM
16 XD
15 EXD
CIRCUIT
20 VDD
19 TRIM
18 TRIM
17 TRIM
16 OUT
MAIN
VOLUME
0- –85dB/
1dB STEP
15 RGND
14 IN
13 CS2
12 LAT
11 DATA
STR-DE1075
43