Sony SDP-EP9ES Service Manual page 41

IC401, 402, 403 CXD8517Q
33
NC 34
35
MUTE
36
DEMP
FS1 37
COEFFIENT
38 ROM
FS2
GND 39
XLAT 40
ATT/MODE
41
SCK
42
SWDT
REGISTER
MPY
REGISTER
20 bit ADD
20 bit ADD
25 bit ACCUMLATOR
OVER FLOW LIMITER
43
SLAVE
NC 44
INPUT I/F (S1-P0)
1 2 3 4 5
IC421 M62361FP
DT 1
2
CK
LEVEL
ST 3
SHIFT
CS 4
1-8
15 bit
SHIFT
REGISTOR
3
9-11
4
12-15
COMPARATOR
NC 5
D•G 6
A•G 7
8
V
SS
32 31 30 29 28
OUTPUT I/F (P1-S0)
L-CH RAM B
REGISTER
19 bit
ADD
REGISTER
L-CH RAM A
6
8 bit 8 bit
LATCH DAC
8 bit 8 bit
8
LATCH DAC
8 bit 8 bit
LATCH
DAC
DECODER
8 bit 8 bit
LATCH
DAC
8 bit 8 bit
LATCH DAC
RESET
8 bit
8 bit
LATCH DAC
27 26 25 24
FIR FILTER CONTROL
(RAM/ROM/A )
CC
R-CH RAM B
REGISTER
19 bit
ADD
REGISTER
R-CH RAM A
7 8
IC409-414 CXA8042AS
VREF
16
V
DD
1
I01+
15
AO1
2
I02–
3
NC
I01– 4
5
I02+
VREF
NC 6
VCC2 7
14 AO2
C2 8
C1 9
VCC1 10
VREF
13
AO3
VREF 11
VREF
AO4
12
VCNT 12
GND1 13
RIREF 14
VREF
11 AO5
VREF
10 AO6
9 VREF
— 64 —
23
22 NC
21 TEST
RES
20 FIS1
SAMPLING
19 FIS0
RATE
POINTER
GENERATOR
18
PASS
17 GND
16 XO2
15 V
DD
FLAME
14
XO
COUNTER
13 XI
12 GND
10 11
9
SWITCHING
CIRCUIT
CONSTANT
REFERENCE
CURRENT
VOLTAGE
CIRCUIT
CIRCUIT
CONTROL
CIRCUIT
28
IN2–
27 IN2+
26
NC
25 IN1+
24 IN1–
23 NC
22 C4
21 C3
20
GND2
19
VEE2
18 VEE1
17 C6
16 C5
15 CIREF