Sony STR-DE185 - Printed Wiring Board - Power SW Section

STR-DE185
2020
IC401 BD3861FS
• IC Block Diagrams
IC601 µPC2581V-S
4-11. PRINTED WIRING BOARD — POWER SW SECTION —
• Refer to page 11 for Circuit Boards Location and
page 15 for Common Note on Printed Wiring Boards.
1
VIDEO1 L
25k 25k
2
VIDEO1 R
25k 25k
3
VIDEO2 L
25k 25k
4
VIDEO2 R
25k 25k
5
MD L
25k 25k
6
MD R
25k 25k
7
CD L
25k 25k
8
CD R
25k 25k
9
TUNER L
25k 25k
10
TUNER R
25k 25k
11
MIC
12k
24k
100k
VCC/2
12
FIL
13
GND
14
DATA
15
CLK
16
VCC
28
TRE L
27
TRE R
26
MID2 R
25
MID1 R
24
MID2 L
23
MID1 L
22
BAS2 L
21
BAS1 L
20
OUT L
19
BAS2 R
18
BAS1 R
17
OUT R
VCC/2 VCC/2
VCC/2
VCC/2 VCC/2
VCC/2
31
REC R
32
REC L
30
VOL R
29
VOL L
TREBLE L
fc=10kHz
VCC/2
0dB to -59dB
0dB to -70dB
0dB to -70dB
VCC/2
0dB to -59dB
TREBLE R
fc=10kHz
MIDDLE R
f
0 =1kHz
MIDDLE L
f
0 =1kHz
BASS L
f
0 =90Hz
BASS R
f
0 =90Hz
LOGIC
2
3
5
4
6
7
98
1
MUTE
+ VOUT1 – VOUT1
COMP1
NF1
IN1
GND
IN2
NF2
COMP2
– VOUT2 + VOUT2
VCC1 VCC2
VEE
PROTECTOR
BIAS CIRCUIT
REG DRIVE
PRE
DRIVE
11
10
12
13
1514
DRIVE
PRE
DRIVE
1
VSS
2
L OUT
3
L IN
L-CH DATA LATCH
CIRCUIT
LEVEL SHIFT
CIRCUIT
4
NC
5
A-GND
6
CS1
7
GND
8
CLK
16
VDD
15
R OUT
14
R IN
13
NC
12
A-GND
11
CS2
10
STB
9
DATA
R-CH DATA LATCH
CIRCUIT
LEVEL SHIFT
CIRCUIT
SHIFT
REGISTOR
(13bit)
STROBE
GENERATOR
CIRCUIT
1
2
3
4
5
6
7
8
V+
VSB/SESIN
VSA
RESET
GND
OUTC
VSC
CR
VREF
+
–
–
+
–
+
–
+
Q
R S
IC402 TC9299P
IC901 NJM2103D
1
A
B
C
D
E
F
G
H
I
J
23456
S201
CNP2
D206
D205
S203
S202
Q204
R297
Q205
JW202
R290
R289
TP2
(Page 19)
D205 C-1
D206 B-1
Q204 E-2
Q205 E-3
• Semiconductor
Location
Ref. No. Location