Sony HCD-RG295 / HCD-RG495 / HCD-RG595 / MHC-RG295 / MHC-RG495 / MHC-RG595 Service Manual ▷ View online
HCD-RG295/RG495/RG595
45
45
HCD-RG295/RG495/RG595
7-22. SCHEMATIC DIAGRAM – POWER Board (RG595) –
C403
R481
R441
R443
R444
R445
R446
Q441
R425
R424
R423
R422
C452
C454
R421
R454
R497
R466
R465
R499
R487
R498
R490
R482
C486
R417
R407
R419
C404
R411
R412
R413
R461
R416
R415
R414
R462
R486
C481
R420
R453
C453
C451
R442
C442
CN441
R484
R480
R483
TH441
R456
R448
Q489
C445
EP401
C411
C459
C460
R488
R440
Q442
R485
L442
L441
JK441
R418
RY441
Q483
Q481
Q482
D401
Q487
Q486
Q485
C413
C414
R410
R401
R402
R404
R405
R406
R403
R455
D441
R457
R491
C461
D445
R447
C444
C443
C441
R436
R476
R439
R479
C462
R469
C463
R470
D444
R471
R464
R472
R468
D446
R409
D402
R478
R475
R463
R473
R474
Q491
JW404
R450
CN443
R458
R492
C402
EP402
CN442
C409
C410
C406
C405
Q484
D443
Q488
R460
R459
D481
JW403
R449
Q490
IC441(1/2)
IC441(2/2)
R496
R467
R493
C447
C448
R495
R494
C446
R477
C491
0.1
100V
4.7k
2.2k
47k
47k
1k
1k
2SC5625
10
10
10
10
0.1
0.1
10
10
100k
100k
47k
1k
47k
1k
4.7k
10k
2.2
50V
100
100
100
0.1
100V
10
10
10
10
10
10
10
10
100k
100
10V
10V
10
10
0.1
0.1
2.2k
10
50V
13P
100k
100k
22
1k
47k
2SC5625
100p
1000p
100V
1000p
100V
22k
22k
2SC5625
100k
100
2SC3052
2SC3052
2SC3052
D10XB20
2SC3052
2SC3052
2SA1235
0.1
0.1
100k
100k
100k
100k
100k
100k
100k
1k
MC2836
22k
47k
47
100V
UDZW-TE17-16B
47k
0.001
0.001
10
50V
22k
22k
10k
10k
47
100V
47k
470
6.3V
47k
MA111-TX
100k
100k
100k
2.2k
1W
UDZW-TE17-16B
100k
D10XB20
10k
10k
47k
47k
2.2k
2SA2026
0.22
5W
6P
22k
47k
0.01
5P
3300
50V
3300
50V
2200
71V
2200
71V
2SC3052
MA111-TX
2SC2411K
100k
100k
MA111-TX
0.22
5W
2SC3052
STK412-240
STK412-240
100
2.2k
1W
0
47
50V
47
50V
1
0
100p
100
0.1
∗
GND
RELAY+
RELAY-
NC
SP(L)
SP(R)
SP GND
SP-GND
AMP-A-GND
STK MUTE
PROTECT
GND
SP GND
∗
C411
1000p
0.01
OVERLOAD/DC DETECT
(CHASSIS)
SP L-OUT
SP R-OUT
R-OUT
L-OUT
UNREG +16V
GND
POWER AMP
Q441,442
OVER LOAD
DETECT
PROTECT
DETECT
PROTECTOR
Q481,482
DC DETECT
Q483,484
TEMPERATURE DETECT
L
R
SPEAKER
-1
-2
SP RELAY B+
PWR-GND
-VFL
Q486,488
RELAY DRIVE
+PRE
+
NF/CH1
-
IN/CH1
-PRE
+VH
+REF
+VL
-REF/CH1
+RE/CH1
+VCC
-VCC
-
+
IN/CH2
NF/CH2
SUB
BIAS
-VH
-REF
-VL
+RE/CH2
-RE/CH2
AC-VH
AC-VL
AC-VL
AC-VH
(AEP,UK)
(CHASSIS)
2
1
4
3
1
2
4
3
(E,EA)
(AEP,UK)
Q489-491
STANDBY SWITCH
(AEP,UK)
(Page 47)
(Page 37)
(Page 51)
HCD-RG295/RG495/RG595
46
46
HCD-RG295/RG495/RG595
7-23. PRINTED WIRING BOARDS – SUB WOOFER Section (RG495/RG595) –
: Uses unleaded solder.
•
See page 27 for Circuit Boards Location.
JR502
D504
D507
R532
D501
C508
R533
Q503
R501
C503
Q507
R502
JR501
C502
C505
R504
R503
R529
R530
R531
R520
Q505
Q506
R524
D502
D503
Q501
R515
R513
R514
R527
R525
R526
R512
Q502
R517
R518
R516
R522
R521
R523
JW502
JW503
JW504
JW505
JW506
JW507
JW516
JW522
R505
JW509
JW501
CN503
C510
C512
C513
R509
R534
C517
C511
C507
R506
R508
R507
C514
R511
C506
JW521
C504
CN501
R510
IC501
RY501
C516
C509
CN502
E
JW514
CN504
E
E
E
E
E
SUB WOOFER BOARD
1-868-919-
12
(12)
1
3
L2
POWER
BOARD
CN443
L1
POWER
BOARD
CN443
(RG595)
(RG495)
H
MAIN
BOARD
CN271
-1
-2
1
4
SW-SP BOARD
1-868-920-
12
(12)
1
4
SUB WOOFER OUT
JK501
+
–
A
B
C
D
1
2
3
4
5
6
7
8
9
10
•
Semiconductor
Location
Location
Ref. No. Location
D501
C-4
D502
C-6
D503
C-6
D504
B-7
D507
C-2
IC501
D-4
Q501
D-6
Q502
B-6
Q503
B-3
Q505
C-2
Q506
C-3
Q507
D-3
(Page 34)
(Page 42)
(Page 44)
HCD-RG295/RG495/RG595
47
47
HCD-RG295/RG495/RG595
7-24. SCHEMATIC DIAGRAM – SUB WOOFER Section (RG495/RG595) –
R
5
2
9
R509
R504
R
5
0
1
C
5
0
3
C516
R531
D507
CN501
C502
C504
JW521
C505
R503
C
5
1
1
C
5
1
0
C
5
0
6
C
5
0
9
R530
R514
D
5
02
R512
R525
R527
R526
R513
D503
R515
R502
R533
C517
C514
R524
R520
R532
Q506
R523
R522
R521
R518
Q502
D504
R517
R511
R510
R508
C508
IC501
CN502
R506
C507
JR501
R534
Q501
Q503
Q507
R507
Q505
D
5
0
1
R505
C512
C513
R516
RY501
CN504
JK501
CN503
2
.2
k
100
47k
4
7
k
0
.0
0
4
7
10
50V
4.7k
MA111-TX
3P
220p
22
25V
10p
1k
1
0
1
0
0V
1
0
1
0
0
V
1
0
0
2
5
V
1
0
0
1
0
0
V
22k
22k
M
A
1
1
1-T
X
10
10
10
10
1k
MA111-TX
47k
47k
22k
10
50V
100
35V
47k
100k
22k
2SC3052
100
100
100
10k
2SA1235
MA111-TX
10k
0.22
5W
0.22
5W
4.7k
1W
220p
STK404-130
6P
1
47
50V
0
1
2SC5625
2SC3052
2SC3052
4.7k
1W
2SC3052
U
D
Z
W
-T
E
1
7
-1
2
B
0.1
0.1
100
4P
4P
∗
GND
OVERLOAD/DC DETECT
RELAY+
RELAY-
SW-SIG GND
SW-ON/OFF
1
2
3
4
5
6
7
8
9
10
11
12
13
POWER AMP
RELAY
DRIVE
OVER LOAD
DETECT
TEMPERATURE
DETECT
Q505,506
DC DETECT
TEMPERATURE
DETECT
SW-SIG
+VCC
-VCC
∗
R505
4.7k 1W(RG495)
4.7k 2W(RG595)
SUB WOOFER OUT
-2
-1
(RG495)
(RG595)
(Page 37)
(Page 43)
(Page 45)
HCD-RG295/RG495/RG595
48
48
HCD-RG295/RG495/RG595
7-25. PRINTED WIRING BOARD – TRANSFORMER Board (RG295/RG495) –
: Uses unleaded solder.
• See page 27 for Circuit Boards Location.
(Page
34)
• Semiconductor
Location
Ref. No. Location
D901
A-8
D902
G-11
D903
G-11
D904
G-11
D905
G-12
D906
B-9
D908
B-8
D910
H-10
Q902
B-9
JW903
D910
R911
R910
R914
R904
R903
D906
D901
JW925
S901
PT902
PT901
JW912
JW901
JW905
RY901
F905
F904
F907
F906
JW910
JW902
JW928
JW934
JW926
JW924
JW922
JW923
JW920
JW921
C910
C908
CN901
FH912
JW937
JW930
D908
C909
R908
JW929
CN907
CN903
Q902
C907
D902
JW917
C911
D905
D903
D904
FH911
FH909
FH910
FH908
FH907
FH913
FH914
JW906
JW909
JW908
JW907
SUB POWER
TRANSFORMER
TRANSFORMER BOARD
1-869-310-
12
(12)
(AC IN)
1
2
VOLTAGE
SELECTOR
5
9
4
1
MAIN POWER
TRANSFORMER
1
7
NOT REPLACEABLE:
BUILT IN TRANSFORMER
BUILT IN TRANSFORMER
∗
∗
8
18
K
A
A
K1
MAIN
BOARD
CN001
M1
POWER
BOARD
CN442
1
1
3
11
(RG295: E/RG495: E, EA)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
13
230 – 240V T 220V t120V
(RG295: E/RG495: E, EA)
(RG295: E/RG495: E, EA)
(RG295: AEP, UK/RG495: AEP)
(RG295: AUS/RG495: AUS)
RG295: AEP, UK, AUS
/RG495: AEP, UK
RG295: AEP, UK, AUS
/RG495: AEP, UK
RG295: AEP, UK, AUS
/RG495: AEP, UK
RG295: AEP, UK, AUS
/RG495: AEP, UK
(Page
42)
Ver. 1.1
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