Schematic Diagram - Mic Board - (Ea, Mx, Sp, Kr Models) - Sony HCD-FL7D Service Manual

1-20. SCHEMATIC DIAGRAM – MIC Board – (EA, MX, SP, KR models)
C361
R359 2.2
100 50V
C364
R360
10
10k
50V
R364 R361
0 10k
C363
R363
100k
CN318
3P
+10V
MIC GND
MIC
R369
47k
C374
0.15
(EA,SP,KR)
C360 R358
100p 150k
MIC AMP
IC351(2/2)
C358
NJM4580E-D(T1)
R357 2.2
10k 50V
6
C359
7
47p
5
8
Q351
2SC2785
MIC
CONTROL C362 C381
R362
10 10 100
1k
50V 50V 16V
RV352
R366
50k C366
15k
2.2
R365
50V
15k
C368 C367
1 0.022
50V
C378 C379
C376
47 47
6800p
16V 16V
R372 C377 R373
22k 0.068 120k
R370 R374
22k 270
DIGITAL
ECHO
IC352
M65850
C380
1
50V
R375
22k
R368 R367
22k 22k
C369
6800p
IC351(1/2)
C351
NJM4580E-D(T1)
C356 R352 0.22
0.1 1k 50V
3
50V
1
C355
47p
2
R356 4
100
R355 C357
∗ ∗
R353
100k
RV351
50k
R354
R351
1k
10k
C354
C352
10
0.01
50V
∗ R355 ∗ C357
2.2k (MX) 220p (EA,SP,KR)
47k (EA,SP,KR) 470p (MX)
23 23
J351
MIC
FB351
0
C365
0.01
(CHASSIS)
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
HCD-FL7D