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HCD-DX60AV/RG70AV
39
39
5-18. SCHEMATIC DIAGRAM – POWER AMP/SENSOR Boards –
TRANSFORMER
BOARD
CN915
I
REAR/CENTER AMP BOARD
CN507
H
MAIN BOARD (4/4)
CN401
D
MAIN BOARD (4/4)
CN402
E
–0.1
–0.1
37.0
37.7
0
0
–36.0
0
–36.0
–
36.0
–35.0
37.7
37.7
37.0
0
11.7
0
11.7
0
0.6
0
11.7
0
0
0.6
0
–35.0
–38.0
0
0
–0.1
–0.1
(RG70AV : AEP)
0
0.7
POWER AMP BOARD
IC501
POWER AMP
4P
Q581
B– SWITCH
OVER
LOAD
DETECT
OVER LOAD DETECT
BUFFER
IC501 (1/2)
STK402
1500P
1.2k
25V
(CHASSIS)
(CHASSIS)
1500P
1.2k
(RG70AV : AEP)
0.001U
IC501 (2/2)
STK402
Q503, 504
POWER CONTROL
BUFFER
DTC124ES
TEMP
PROTECT
SENSOR BOARD
(TEMP SENSOR)
(Page 37)
(Page 33)
(Page 33)
(Page 43)
• 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.
Summary of Contents for HCD-DX60AV
Page 22: ...22 HCD DX60AV RG70AV MEMO ...
Page 75: ...75 HCD DX60AV RG70AV MEMO ...