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HCD-FL3
57
57
8-27. SCHEMATIC DIAGRAM – CENTER SW AMP Board –
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
C553
R552
C552
NO702
CN502
D520
R525
R526
D551
R558
R511
R512
R557
R555
R556
R521
R522
R560
C556
C555
R510
C506
C505
R506
R505
D501
R508
R507
R504
C503
R501
R502
C502
R551
R554
R520
NO802
CN503
JW501
C592
C591
IC501
C551
D591
R591
R592
C594
C593
C923
Q521
Q551
Q523
C508
C507
C521
Q501
R553
R519
C520
R503
C501
C504
C554
Q522
C928
C522
R527
R528
R524
R523
D921
C922
C921
IC922
C927
D521
D552
D502
100p
47k
470p
8P
12P
1SS133T
2.2k
2.2k
1SS133T
15k
100
100
1k
0.22
5W
0.22
5W
2.2k
22k
10
1/2W
0.1
0.1
10
1/2W
0.1
0.1
0.22
5W
0.22
5W
1SS133T
15k
1k
47k
100p
1k
47k
470p
1k
47k
1
9P
10P
0.1
100V
0.1
100V
STK442-130
10
50V
D15XB20
100k
100k
2200
63V
2200
63V
3300
25V
2SA988
2SC1841
2SC1841
22
100V
22
100V
47
100V
2SC1841
1k
22k
1000p
680
10
50V
22
50V
100
10V
2SC1841
100
10V
47
50V
33k
15k
5.6k
68k
D3SBA20
0.01
0.01
TA7809S
10
50V
1SS133T
1SS133T
1SS133T
SW GND
SW
CENTER GND
CENTER
PB-R
REC-R
A-GND
PB-L
REC-L
CENTER
CENTER
CENTER GND
CENTER GND
SW
SW
SW GND
SW GND
POWER GND
POWER GND
STK MUTE
UNREG(M)
UNREG GND
OVER LOAD
M+9V
M-GND
PB-R
REC-R
A-GND
PB-L
REC-L
AC2(VH)
AC2(VH)
AC GND
AC3(MOTOR)
AC3(MOTOR)
A-GND
AC2(VH)
AC GND
AC2(VH)
+9V REGULATOR
RECT
D591
RECT
D921
Q521,522
STANDBY SWITCH
DETECT
OVER LOAD
SWITCH
STANDBY
DETECT
OVER LOAD
2
4
3
1
1
3
4
2
POWER AMP
Summary of Contents for HCD-FL3
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