Sony HCD-DX60AV, Service Manual

Page: 37 / 76

HCD-DX60AV/RG70AV
37 37
5-16. SCHEMATIC DIAGRAM – REAR/CENTER AMP Board –
TRANSFORMER
BOARD
CN916
J
POWER AMP BOARD
CN505
H
MAIN BOARD(4/4)
CN403
C
–0.1
–0.1
32.0
34.0
0
0
–31.5
0
–31.5
–31.5
–30.8
34.0
34.0
33.0
0
11.7
0
11.7
0
0
0.1
0.6
–30.2
–0.1 –34.0
0
0
–0.1
(RG70AV : AEP)
–0.1
–0.1
0
0
11.7
0
0
11.7
0
(REAR AMP L-CH)
STK402-240
IC503 (1/3)
STK402-240
IC503 (2/3)
CN917
3P
(REAR AMP R-CH)
IC503
POWER AMP
Q511, 512
POWER CONTROL
OVER LOAD
DETECT
OVER LOAD
DETECT
REAR/CENTER AMP BOARD
1/2W
B– SWITCH
0.001U
*
* C540
0.001 : (RG70AV : AEP)
0.1 : (DX60AV/RG70AV : US)
1/2W
(CHASSIS)
(CHASSIS)
CN507
4P
(CENTER AMP)
STK402-240
IC503 (3/3)
CN508
7P
OVER LOAD
DETECT
TEMP PROTECT
1SS133T
1SS133T
6.3A/125V (RG70AV : US)
T6.3A/250V (DX60AV/RG70AV : AEP)
6.3A/125V (RG70AV : US)
T6.3A/250V (DX60AV/RG70AV : AEP)
(Page 43)
(Page 39)
(Page 33)
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
The components identified by mark 0 or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.