Ic Block Diagrams - Sony STR DE197 - AV Receiver Service Manual

STR-DE197

4-10. IC BLOCK DIAGRAMS

IC401 BD3861FS (MAIN BOARD (1/2))
VIDEO1 L
1
25k 25k
VIDEO1 R
2
25k 25k
VCC/2
VIDEO2 L 3
25k 25k
VCC/2
VIDEO2 R 4
25k 25k
MD L 5
25k 25k
MD R 6
25k 25k
CD L
7
25k 25k
0dB to -59dB
VCC/2
CD R
8
25k 25k
TUNER L
9
25k 25k
0dB to -59dB
VCC/2
TUNER R 10
25k 25k
MIC 11
100k 12k
24k
FIL 12 VCC/2
GND 13
DATA
14
LOGIC
CLK 15
VCC
16
IC601 STK350-430 (MAIN BOARD (1/2))
BIAS CIRCUIT
PROTECTOR
PRE PRE
REG DRIVE
DRIVE DRIVE
1 2 3 4 5 6 7 8 9 10
STR-DE197
IC402 TC9299P (MAIN BOARD (1/2))
VSS 1
32 REC L
L OUT 2
L IN
3
31 REC R
NC
4
0dB to -70dB
A-GND
5
30 VOL R
0dB to -70dB
SHIFT
CS1
6
29 VOL L REGISTOR
(13bit)
GND 7
STROBE
TREBLE L
28 TRE L GENERATOR
CLK 8
fc=10kHz
CIRCUIT
TREBLE R
27 TRE R
fc=10kHz
26 MID2 R
MIDDLE R
f 0 =1kHz 25 MID1 R
24 MID2 L
MIDDLE L
f =1kHz 23 MID1 L
0
22 BAS2 L
BASS L
f =90Hz 21 BAS1 L
0 IC901 NJM2103D (MAIN BOARD (2/2))
20 OUT L
19 BAS2 R
BASS R
f =90Hz
0 18 BAS1 R
CR 1
17 OUT R
VREF
VSC 2
+ –
OUTC 3
GND 4
Q
R S
DRIVE
11 12 13 14 15
16 VDD
15 R OUT
14 R IN
13 NC
12 A-GND
11 CS2
10 STB
9 DATA
8 RESET
– +
7 VSA
6 VSB/SESIN
5 V+
+ – + –
22 22