Read Sony HCD-RG66T Service Manual online
HCD-RG66T
41
41
7-20. SCHEMATIC DIAGRAM – POWER/SENSOR Boards –
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : TUNER (FM/AM)
no mark : TUNER (FM/AM)
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
R533
R515
R514
R531
C942
D941
R945
R942
R943
C525
C523
C524
JW567
JW566
JW
572
JW571
C544
C545
EP501
D511
D507
D508
D509
R564
R565
R548
R547
R545
JW517
Q510
Q502
D506
C516
R544
R543
R537
D502
R528
R532
R521
Q505
R522
Q506
R592
R542
C526
R546
C514
R538
C515
C507
C508
R509
R559
C558
C557
R507
R557
R505
R555
R516
R517
Q504
R513
R582
C581
R581
R561
C559
R518
R512
R554
Q581
Q503
C504
C554
R502
C502
R552
R551
C551
R501
C501
C552
C509
C512
C943
CN503
NO504
CN502
NO505
CN701
Q941
D543
R527
RY501
R529
R530
Q512
C517
R510
R508
Q501
D551
D501
D581
R504
R511
Q551
Q831
TH701
EP502
Q511
JW570
JW568
C505
IC501(1/2)
C503
R503
R553
C553
C555
R560
R558
R556
R506
R523
Q507
Q508
Q509
R539
C513
NO501
TM501
IC501(2/2)
C596
C546
47k
22k
2.2k
220
10
50V
MTZJ-T-72
-33D
8.2k
8.2k
1k
0.01
0.01
0.01
0.1
100V
0.1
100V
1SS133T
1SS133T
1SS133T
1SS133T
4.7k
4.7k
47k
47k
4.7k
2SC2785
2SC2785
1SS133T
100
10V
10V
10k
68k
10k
1SS133T
47k
560k
100k
2SC2785
100k
2SC2785
100k
100k
10
50V
22k
100
10V
10V
47k
2.2
50V
50V
0.068
0.068
10
1/2W
10
1/2W
0.068
0.068
100k
100k
1k
1k
10k
10k
2SC1841
33k
68k
33k
22
50V
33k
100
22
100V
33k
1
47k
2SC1841
2SA988TP
100
10V
10V
100
10V
10V
47k
470p
47k
1k
4.7
50V
50V
1k
4.7
50V
50V
470p
22
100V
0.01
100
50V
50V
13P
3P
13P
2P
2P
2SB1375
D5SBA20
56k
22k
22k
BA1F4M
10
50V
0.22
5W
0.22
5W
2SC1841
1SS133T
1SS133T
1SS133T
47k
100
2SC1841
2SC2785
2SC2785
10p
STK442-130
100p
220
220
100p
10p
0.22
5W
0.22
5W
15k
15k
150k
2SC1841
2SC1841
2SA988
1.5k
2W
0.1
11P
STK442-130
3300
71V
3300
71V
AA1
AA2
AA3
AA4
AA5
AA6
AA7
AA8
AA1
AA2
AA3
AA4
AA5
AA6
AA7
AA8
GND
GND
VL
VL
AC3
AC3
AC4
AC4
VP
VF
VF
STBY RELAY
D-GND
R-IN
A-GND
L-IN
STK MUTE
STBY RELAY
D-GND
-B
FAN ON
DBFB FEEDBACK
FAN DET
SP PROTECT IN
FRONT RELAY
EVER+4V
SW PROTECT
LINK RELAY
-VG
EVER+4V
VF(1)
VF(2)
AC4(1)
AC4(2)
AC3(1)
AC3(2)
-33V
REGULATOR
(CHASSIS)
R
L
FRONT SPEAKER
FRONT SPEAKER
DRIVE
PROTECT RELAY
-1
-2
PROTECT
SWITCH
Q509
−
511
OVER LOAD
DETECT SWITCH
Q507,508
DC DETECT SWITCH
OVER LOAD
DETECT
SWITCH
STANDBY
SWITCH
STANDBY
SWITCH
STANDBY
POWER AMP
OVER LOAD
DETECT
DETECT SWITCH
Q505,506
TEMPERATURE
FAN MOTOR
ON SWITCH
(CHASSIS)
POWER-GND
POWER-GND
HP-R
HP-L
2
4
3
1
IMPEDANCE USE 6
−
16
Ω
R519
(Page 35)
(Page 37)
(Page 47)
(Page 47)
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