Sony STR-DA7ES Service Manual page 71

IC3100 TC90A45F (UP CONVERT BOARD)
AVSS
1
2.25V
VRB 2
3 2.8V
VRT
ADC
ADIN 4
CLAMP
1H LINE
5 1.3V
BIAS1
MEMORY
TEST 6
KILLER
7
DVDD 8 5V
IC3101 MM1093NF (UP CONVERT BOARD)
CHROMA
1
IN
1ST
BPA
ACC
2
FILTER
ACC
DET
2ND
BPA
APC1
3
FILTER
4
XTAL
APC1
GND1
5
GND2 6
FSC DIVIDER
VCXO
FSC
7
OUT
NC 8
IC403 CXD9725M (E-VOL BOARD)
IC404 CXD9725M (E-VOL BOARD)
IC405 CXD9725M (E-VOL BOARD)
IC406 CXD9725M (E-VOL BOARD)
NC VDD T REF
28 27 26
TRIM VR
0~+24dB/
1dB STEP
LATCH CIRCUIT
5 TO 25 DECODER
5 TO 25 DECODER
LATCH CIRCUIT
TRIM VR
0~+24dB/
1dB STEP
1 2 3
NC VSS T REF
COLOR
KILLER
BPF
DYNAMIC
COMB
BPF FILTER
BPF
COMPOSITE
16
IN
SYNC
SEP
BURST GATE
15
FILTER
BGP
4FSC
14
GEN OUT
APC2
13
FILTER
APC2
12
OSC C
(1/4)
11 VCO2
10
VCO1
4FSC
VCO OSC R
9
T IN T OUT M OUT M GND NC
25 24 23 22 21
MAIN VR
0~-95dB/
0.5dB STEP
LATCH CIRCUIT
4 TO 13 DECODER
24 BIT SHIFT REGISTER
4 TO 13 DECODER
LATCH CIRCUIT
MAIN VR
0~-95dB/
0.5dB STEP
4 5 6 7
T IN T OUT M OUT M GND NC
STR-DA4ES/DA7ES/VA333ES
IC1008 TC7WH08FU
AVDD
5V 16
DAC 15 YOUT
1.7V 14 BIAS2
DAC 13 COUT
12 BIAS3
3.4V
11
VFIL
CLOCK 10 CKIN
9 DVSS
M IN NC CS2 STB DATA
20 19 18 17 16
LATCH CIRCUIT
4 TO 16 DECODER
LEVEL
SHIFT
CIRCUIT
4 TO 16 DECODER
LATCH CIRCUIT
8 9 10 11 12 13
M IN NC CS1 GND CK
(DIGITAL INPUT BOARD)
VCC 1Y 2A 2B
8 7 6 5
1 2 3 4
1A 1B 2Y GND
NC
15
14
NC
71