Ic Block Diagrams - Sony STR-LSA1 Service Manual

4-15.

IC BLOCK DIAGRAMS

— DAC BOARD —
IC303 CXA8055M-E1
ANALOG
CIREF 1
VOLUME
NC 2
CONTROL
AGND 3
CIRCUIT
NC
4
IOR– 5
IOR+ 6
CONSTANT
C5 7
CONTROL
CIRCUIT
C6 8
C7R 9
AVEES 10
11
AVEES
LOGIC
C4R
12
C3
13
DVEE 14
15
C1R
ECL
16
DGND
SWITCHING
1N1–R 17
CIRCUIT
1N1+R 18
19
NC
20
1N2+R
21
1N2–R
— DIGITAL BOARD —
IC103 TC9271F (ELP)
BLOCK 1
UBDA 2
LRS 3
PHASE
SELECT
LRCK 4
BCK 5
DATA
DATA 6
INPUT
VLDY 7
EMPH 8
COPY 9
FS1 10
FS2 11
CKS 12
XI 13
VSS 14
42 RIREF
REFERENCE
41 VREF
VOLTAGE
40 VCNT
CIRCUIT
AGND
39
38 AV
CC
37 NC
CONSTANT
IOL–
36
CONTROL
CIRCUIT
35 IOL+
C7L
34
33 AVEES
AVEES
32
C4L
31
DV
30 EE
29 DV
CC
28
C1L
ECL
27
DGND
SWITCHING
26
1N1–L
CIRCUIT
25 1N1+L
24 NC
23 1N2+L
22 1N2–L
CLOCK
GEN
CATEGORY
CODE
REGISTOR
PARITY
GEN
28 VDD
27 CKA2
26 CKA1
25 LBIT
24 FR32
23 CTG3
22 CTG2
21 CTG1
SERIAL
I/F
20 IS2
19 IS1
18 M2
17 M1
16 DO2
BI-PHASE
MARK MOD
15 DO1
33