Schematic Diagram - Power/Sensor Boards - Sony HCD-RV7 Service Manual

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7-26. SCHEMATIC DIAGRAM – POWER/SENSOR Boards –
C501
4.7
50V
(RV8)
CN1072
(Page
8P
SW_MUTE
45)
IMAGINARY_GND
RCC_GND
SW+
SW-
OVERLOAD_DET
VL-
VL+
T E
L 1 3 9 4 2 2 9 6 5 1 3
NO505
CN701
2P
2P
C551
4.7
TH701
50V
EP502
C512
0.01
(CHASSIS)
CN502
13P
L-IN
A-GND
R-IN
DBFB FEEDBACK
FRONT RELAY
FAN DET
SP PROTECT IN
-B
HP-R
w w w
HP-L
(Page 39)
POWER-GND
POWER-GND
SW PROTECT
.
C509 R520
R511
22 3.3k
100
100V 1W
D504
MTZJ-T-
72-18C
R501
1k
C503
IC501(1/2)
220p
STK412-150
R504
56k
R514
2.2k
Q503
2SA988TP R515
22k
STANDBY
SWITCH
R582 D581 R513
33k 1SS133T 33k
Q504
2SC1841
R502 R503 Q581
STANDBY
56k 150 2SC1841
SWITCH
STANDBY
C504 SWITCH
C502 100
C581
470p 10V R581 R519
22
33k 68k
50V
C559 R524
R517
22 3.3k
10k
C554 100V 1W
C552
100
470p
10V
R552 R553 R512 R518 R561
56k 150 1 33k 100
D503
MTZJ-T-
72-18C
JW561
C553
220p
IC501(2/2)
STK412-150
R551
1k
POWER AMP
R554
56k
x a o
y
i
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8
R525
47k
R510 R527
0.1 56k
5W
C515
R538
2.2
47k
50V
R508
0.1
Q507,508
R505 5W
1k DC DETECT SWITCH
D502 R537
1SS133T 10k
Q508 Q507
2SC2785 2SC2785
R543
68k
Q501
2SC1841 C514
R544
100
OVER LOAD 10k
10V
DETECT
R506 R507
22k 100k
R523 R522 R521
C507 82k 100k 100k
0.068
Q C508 Q
0.068
3 7 6 3
D501
R509
1SS133T
10
1/2W
R559
D551
10
1SS133T
1/2W
C558
0.068
R516 R556 R557
10k 22k 100k Q505
C557 2SC2785
0.068
Q506
2SC2785
Q551
2SC1841
Q505,506
OVER LOAD
TEMPERATURE
DETECT
R531
DETECT SWITCH
220
R555 R558
1k 0.1
5W
R560
0.1
5W
u 1 6 3
.
• Voltages are dc with respect to ground under no-signal
47 47
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2 4
9 9 8
R526
56k
(RV8)
RY501
R528 R529 R530
47k 22k 22k
-1
JW566
-2
JW567
R539
*
∗ R539,540
D506
1SS133T 680 2W (RV8)
330 2W (RV7)
Q512
R547 R548
BA1F4M
47k 47k
FRONT SPEAKER
Q509
PROTECT RELAY
2SA998
DRIVE
Q502
Q509-511
2SC2785
OVER LOAD
PROTECT
DETECT SWITCH
SWITCH
R545
4.7k
Q511 C517
2SC2785 10
C516 50V
Q510
100
2SC2785
10V
R540
∗
R532
560k
R564 R565
(RV8)
4.7k 4.7k
∗ D541
1 5 1 5 0 8 9 2 4
RBV2506 (RV8)
JW517
D5SBA204101 (RV7)
R533
47k
D543
Q513
D5SBA20 2
BA1F4M
SURROUND
1 4 C545
SPEAKER 0.1
Q831 C526 100V
PROTECT
2SC2785 10
RELAY 50V C546
FAN MOTOR R542 3
2200
DRIVE 100k
ON SWITCH 100V
C544
0.1
100V
C596 C592
R592
2200 3300
100k
100V 50V
Q941
2SB1375
-33V
REGULATOR
C943
100
50V
m
c o
(detuned) conditions.
no mark : TUNER (FM/AM)
HCD-RV7/RV8
2
9 9
TM501
R
FRONT SPEAKER
IMPEDANCE USE 6-16Ω
L
JW604
R
SURROUND SPEAKER
IMPEDANCE USE 24Ω
JW563
RY502
-1 L
-2
C524 C523 C525
EP501
0.01 0.01 0.01
D510
1SS133T
(CHASSIS)
9 8 2 9 9
D541
∗ 3
1 4
C541
2 0.1
R541 C513
100k 0.01 NO501
13P
VH
VH
GND
GND
VL
R591
VL
100k
AA1 AC3
AA2 AC3
AA3 AC4
AA4 AC4
(Page 53)
VP
AA5 VF
AA6 VF
R943 R942 R945
1k 8.2k 8.2k
NO504
D941 C942
3P
MTZJ-T-72 10
-33D 50V D-GND
AA7 EVER+4V
AA8 STBY RELAY
(Page 53)
CN503
13P
-VG
D-GND
AA7 EVER+4V
AA8 STBY RELAY
AA6 VF(1)
AA5 VF(2)
AA4 AC4(1)
AA3 AC4(2)
AA2 AC3(1)
AA1 AC3(2)
(Page 41)
LINK RELAY
FAN ON
STK MUTE
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.