Schematic Diagram - Center Sw Amp Board - Sony HCD-FL5D Service Manual

8-33. SCHEMATIC DIAGRAM – CENTER SW AMP Board –
POWER AMP
IC501
STK442-130
C551
10 R551
50V 1k
NO802
9P
SW
SW GND
CENTER
CENTER GND
PB-R
REC-R
A-GND
(Page 67)
PB-L
REC-L
C501
10
50V
C553
100p
C552 R552
470p 47k
R511
100
R553 R519
680 22k R512
100
C554
100 C508 C507
10V 22 22
100V 100V
C520
1000p
C504
22
50V
R503
560
C502 R502
470p 47k
R504
47k
C503
100p
R501
1k
R591
100k
R592
100k
R554
47k
R520
1
R555 R556
0.22 0.22
R521
5W 5W
2.2k
R522
R557 22k
1k Q521
2SA988 R525
2.2k
R558
Q522
15k
Q551 Q521,522 2SC1841
2SC1841
STANDBY
OVER LOAD
SWITCH
DETECT
D552
1SS133T
R523
68k
C521
R524 R526
47
5.6k 2.2k
100V
D501 D502
1SS133T 1SS133T
R510
10
R508
Q501
15k
2SC1841
R507 OVER LOAD C506
1k 0.1
DETECT
C505
0.1
R506
0.22
5W
R505
0.22
5W
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
71 71 ( ) : CD/DVD PLAY
D591
D591
D15XB20 3
RECT
1 4
C593 C591
2200 0.1
2
63V 100V
C594 C592
2200 0.1
63V 100V
C555 C556 R560
0.1 0.1 10
D921 D921
3
D3SBA20
RECT C921
0.01
1 4
C922
C923
0.01
4700
2
35V
+12V REGULATOR
IC921
PQ12RF21
JW531 R922 10k
Q922,923
CD/DVD ON
SWITCH
R921
100
C925 C926 Q923
10 1000 BA1A4M
50V 16V
Q922
BA1A4M
JW540 JW506
JW507
I O
G
IC922
TA7809S
C927 +9V REGULATOR C928
10 1000
50V 10V
JW501
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
HCD-FL5D
NO702
8P
AC2(VH)
AC2(VH)
AC GND
AC GND
AC2(VH)
AC2(VH)
AC3(MOTOR)
(Page 89)
AC3(MOTOR)
CN502
12P
SW
SW
SW GND
SW GND
CENTER
CENTER
CENTER GND
CENTER GND
POWER GND
(Page 77)
POWER GND
STK MUTE
OVER LOAD
JW508
CN503
13P
DVD+12V
DVD-GND
CD/DVD POWER
M-GND
M+9V
UNREG GND
UNREG(M)
A-GND
PB-R
REC-R
(Page 76)
A-GND
PB-L
REC-L