Ic Block Diagrams - Sony sTR-V200 Service Manual

6-13. IC BLOCK DIAGRAMS

• Main section
IC300 LV1016
24 23 22
VDD
IN-FILTER
(40kHz)
DEC
2 3 4 5 6
1
IC401 LC7822
1
IN
2
3
OUT
4
5
IN
6
7
OUT 8
9
IN
10
OUT 11
LEVEL SHIFT
12
VEE
CE 13
DI
14
SHIFT RESISTOR
CL
15
IC701, 702 uPC2581
BIAS CIRCUIT
PROTECTOR
PRE
REG DRIVE
DRIVE
1 2 3 4 5 6
20 19 18
21
ADM
ADM-CONT SRAM
A
B
–
L–R
+
L+R
(–6dB)
7 9
8
30
29 IN
28
OUT
27
26
25 IN
24
23 OUT
22
IN IN
21
20 OUT
19
VDD
LATCH 18 RESET
17
S
16 VSS
PRE
DRIVE
DRIVE
7 8 9 10 11 12 13
17 16 15
+ +
L+DELAY R+DELAY
OUT-FILTER
DC-OUT
(7k/5k)
B-NR
10
IC950 NJM2103D
CR
1
2
VSC
+ –
OUTC
3
GND 4
14 15
– 35 –
14 13
INV-PHASE
VOL/MUTE
S-TRIM
11 12
VREF
Q
R S
+ – +
8
RESET
– +
VSA
7
6
VSB/SESIN
V+
5
–