Sony CFD-G500 Service Manual page 33

IC321 BD3870FS-E2 (MAIN Board)
24 23 22 21
Treble1 Treble2
fc=8kHz fc=8kHz
0dB-
-87dB
-
Vcc/2 Vcc/2
1 2 3 4
IC301 TA2068N (TC Board)
AGC 1
L.PO 2
3
L.NF
REC
AMP1
L.RO 4
26dB
L.IN 5
REF 6
REF
AMP
7
GND
2.1
REC
R.IN 8
AMP2
R.RO 9
26dB
R.NF 10
NAB
AMP2
R.PO 11
MIC
AMP1
12
MIC.NF
20 19 18 17
Bass2 Bass1
fo=80Hz fo=80Hz
50k 50k 50k
5 6 7 8
LINE
NAB
AMP1
BUF AMP TAPE
RADIO
A1
BUF AMP
MUTE
B1
ON
ON
BUF AMP
B2
MUTE
RADIO
TAPE
LINE
BUF AMP
A2
CFD-G500/G500L
16 15 14 13
Logic
Vcc/2 Vcc/2
Vcc/2
50k 50k 50k
9 10 11 12
24 L.RAD
MIC I/EX
23
22 L.LINE
21 REC
MONITOR
AMP
20 L.LO
7dB
LOGIC
19 VCC
7dB
18
R.LO
MONITOR
AMP
17
LINE
16 R.LINE
15 TAPE
14
R.RAD
13
MIC
33