Schematic Diagram - Center Sw Amp Board - Sony HCD-FL7D Service Manual

8-35. SCHEMATIC DIAGRAM – CENTER SW AMP Board –
POWER AMP
IC501
STK442-130
(EA,MX,SP,KR)
∗ C551
10 50V (EXCEPT US,CND)
10 100V (US,CND)
C551 R551
∗ 1k
C553
100p
C552 R552
470p 47k
(AEP,UK)
∗ R519
EP502
C519 10k (US,CND,AEP,UK)
100p
22k (EA,MX,SP,KR)
R553
680
∗ C554
100 10V (EXCEPT US,CND)
(CHASSIS)
100 50V (US,CND)
NO802 C554
* C504
9P
22 50V (EXCEPT US,CND)
SW
22 100V (US,CND)
SW GND
CENTER
CENTER GND
PB-R
REC-R
A-GND
(Page 71)
PB-L
REC-L
C502 R502
470p 47k
C501 R501
∗
1k
∗
C501
10 50V (EXCEPT US,CND)
10 100V (US,CND)
R554
R557
1k
R558
15k
R511
100
R519
∗
R512
100
C508 C507
∗
22 22
100V 100V
C520
1000p
C504
∗
R503
560
R504
47k
C503
100p
POWER AMP
IC501
STK402-120S
(US,CND,AEP,UK)
D591
RECT
D591
D15XB20
1
C593
R591
2200
100k
63V
C594
R592
2200
100k
63V
C555 C556
0.1 0.1
47k
R520
1
R555 R556 D921
0.22 0.22
R521 RECT
5W 5W
2.2k
R522
22k
Q521
2SA988 R525
2.2k
Q522
Q551 Q521,522 2SC1841
2SC1841
STANDBY
OVER LOAD
SWITCH
DETECT
D552
1SS133T
R523
68k
C521
R524 R526
47
5.6k 2.2k
100V
JW531
D501 D502
1SS133T 1SS133T
R510
C925
10
10
R508
Q501 50V
15k
2SC1841
R507 OVER LOAD C506
1k 0.1
DETECT
C505
0.1
R506
0.22
5W
R505
0.22
5W
C927 +9V REGULATOR
10
50V
73 73
(AEP,UK)
EP501
C595
0.1
(CHASSIS)
NO702
8P
AC2(VH)
AC2(VH)
AC GND
AC GND
AC2(VH)
3
AC2(VH)
4 AC3(MOTOR)
C591
0.1 AC3(MOTOR)
2
100V
C592
0.1
100V
CN502
12P
SW
SW
R560
10
SW GND
SW GND
CENTER
CENTER
D921
3
D3SBA20 CENTER GND
C921
0.01
1 4 CENTER GND
POWER GND
C922
C923
0.01
4700 POWER GND
2
35V
STK MUTE
OVER LOAD
+12V REGULATOR
IC921
PQ12RF21
R922 10k
Q922,923
CD/DVD ON
SWITCH
R921
100
C926 Q923
1000 BA1A4M
16V
Q922
BA1A4M
JW540
JW507
CN503
13P
DVD+12V
I O
G DVD-GND
CD/DVD POWER
IC922
TA7809S M-GND
C928 M+9V
1000
10V UNREG GND
UNREG(M)
A-GND
PB-R
REC-R
JW501 A-GND
PB-L
REC-L
• 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.
HCD-FL7D
(Page 95)
(Page 81)
(Page 80)
) : CD/DVD PLAY
Les composants identifiés par une marque 0 sont
critiques pour la sécurité. Ne les remplacer que
par une pièce portant le numéro spécifié.