DOWNLOAD Sony MHC-RG90 Service Manual ↓ Size: 6.29 MB | Pages: 77 in PDF or view online for FREE

Model
MHC-RG90
Pages
77
Size
6.29 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / BRAZIL
File
mhc-rg90.pdf
Date
PREV: Sony MHC-RG88 (serv.man2) Service Manual

Sony MHC-RG90 Service Manual ▷ View online

MHC-RG90�
45
45 
7-24. DIAGRAMA ESQUEMÁTICO - PLACA PAD SWITCH/VOL 
¥ Tensões estão em DC em relação ao terra, 
em condição de ausência de sinal.
sem indicação : TUNER (FM/AM) 
NO605 
TP682 
S776 
S777
S775
S774
S773
S772
S771
S770
S769
S768
S767
S766
S765 
S754 
S755 
S757 
S758 
S759 
S760 
S761 
S762 
CN606 
CN607 
S750 
D613 
C615 
S748 
R625 
C614 
R750 
R765 
R766 
R767 
R768 
R769 
R770 
R771 
R772 
R773 
R774 
R775 
R776 
R777 
R778 
S778 
S752 
S756 
R752 
R753 
R755 
R756 
R757 
R758 
R759 
R760 
R761 
R762 
IC603 
R754 
C752
C751 
8P 
4P 
4P 
1SS133T 
-72 
47 
10V 
47 
0.001 
270 
470 
680 
1k 
1.5k 
1.5k 
2.2k 
3.3k 
4.7k 
6.8k 
10k 
15k 
22k 
33k 
68k 
680 
1k 
1.5k 
2.2k 
3.3k 
4.7k 
6.8k 
10k 
15k 
22k 
NJL74H400A 
1.5k 
0.1
0.1 
VOL 1A 
VOL 1B 
GC DGND 
KEY 1 
VOL 1B 
VOL 1A 
KEY 1 
KEY INT DISPLAY 
KEY 0 
SIRCS 
DGND 
EVER +4V 
VOL 1A 
VOL 1B 
GC DGND 
KEY 1 
VOLUME 
(ROTARY ENCODER) 
DISPLAY 
DIMMER 
FM MODE 
REPEAT 
SPECTRUM 
TUNER MEMORY 
PLAY MODE 
S766 
S765 
S767 
S769 
S768 
S770 
GROOVE 
S771 
S772 
S773 
EFFECT 
ON/OFF 
S774 
S775 
ENTER 
S776 
S777 
MOVIE EQ
GAME EQ
MUSIC EQ 
S778 
SURROUND 
P FILE 
-
+ 
REMOTE CONTROL 
RECEIVER 
DIRECTION 
EDIT 
(Page 43) 
MHC-RG90�
46
46
7-25. 
 PLACAS DE CIRCUITO IMPRESSO - SEÇÃO MAIN-TRANS / SUB-TRANS
MAIN TRANS BOARD
1-683-539-
11
(11)
4
1
∗ ∗ 
NOT REPLACEABLE:
            BUILT IN TRANSFORMER
T910
MAIN POWER
TRANSFORMER
M
POWER
BOARD
NO501
IC971
SUB-TRANS BOARD
1-683-540-
11
(11)
1
3
3
E
N
POWER BOARD
NO504
1
1
4
2
1
2
AC IN
VOLTAGE SELECTOR
S901
120V
220V
230 
−
 240V
T972
SUB POWER
TRANSFORMER
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
(E)
(MX)
(E)
(AR)
(E, AR)
(E)
(E)
(MX)
(AR)
(E, AR)
(MX, AR)
(E)
11
1
(Page 40)
(Page 40)
¥ 
Localização dos
Semicondutores
Ref. No.
Location
D971
G-4
D972
F-2
D973
F-2
D974
E-2
D975
E-2
D977
C-7
IC971
G-2
Q971
G-3
2
1
2
1
3
4
E
2
2
2
3
4
5
6
7
8
9
10
11
12
13
2
3
4
5
6
7
8
9
10
11
12
13
+
-
13
3
2
9
21
15
14
1
12
+VH
+REF
+VL
+RE/CH1
+PRE
NF/CH1
IN/CH1
-REF/CH1
LIM1
-PRE
8
1
2
3
2
3
T.F
2
3
+
-
7
16
6
4
5
10
11
22
20
18
17
SUB
BIAS
-VH
-REF
-VL
LIM2
+RE/CH2
GND
IN/CH2
NF/CH2
19
N.C
-RE/CH2
2
3
4
5
6
7
8
9
10
11
12
13
2
3
4
5
6
7
8
9
10
11
12
13
2
1
3
4
E
JW987
T910
C511
R562
R563
C520
C521
C522
NO505
NO501
R987
C523
C975
C976
C977
C978
CN974
D971
D972
D973
D974
D975
Q971
R974
R975
C971
RY971
C519
D977
R952
CN701
TH701
C973
C501
C502
C504
C507
C508
C509
C512
C514
C515
C516
C524
C526
C544
C545
C551
C552
C554
C557
C558
C559
C942
C943
CN502
CN503
D501
D502
D506
D507
D508
D509
D511
D551
D581
D941
EP502
Q501
Q502
Q503
Q504
Q505
Q506
Q507
Q508
Q510
Q511
Q512
Q551
Q581
Q831
Q941
R501
R505
R507
R509
R511
R512
R513
R514
R515
R516
R518
R519
R521
R522
R527
R528
R529
R530
R531
R532
R533
R537
R538
R542
R545
R546
R547
R548
R551
R555
R557
R559
R561
R564
R565
R581
R582
R592
R942
R943
R945
RY501
R517
R543
R544
NO504
CN976
TP1
TP2
TP3
TP4
TP5
TP6
TP7
TP8
TP9
TP10
TP11
TP12
TP13
T972
NO971
JW517
JW561
EP501
Q509
C910
R953
R944
R951
C517
C510
C581
IC971
F972
F973
F971
F976
F977
F974
F975
R502
R552
C941
R504
R554
R503
R553
C503
R941
D976
IC501(1/2)
IC501(2/2)
C553
R524
R510
R560
R558
C592
C542
C546
C596
C513
R591
R541
C591
C541
R520
D504
D503
R508
R523
D541
D543
R556
R506
R539
TM501
JW993
S901
JW990
JW984
JW986
JW975
JW974
CN973
FH9761
FH9762
FH9772
FH9771
FH9742
FH9752
FH9751
FH9741
CN997
FH9711
FH9712
FH9721
FH9722
R954
JW954
FH9732
FH9731
JW973
JW972
JW971
JW9771
JW9761
JW9751
JW9741
TH501
NO MT
NO MT
NO MT
NO MT
NO MT
NO MT
2P
13P
NO MT
0.01
25V
2200
16V
0.1
0.1
0.1
2P
VH
1SS133T
11ES2
11ES2
11ES2
11ES2
2SC2785
100k
10k
10000p
RELAY 9V
11ES2
0.15
1/4W
FR
CONNECTOR
2P
1K/10K
THEMISTOR
100
16V
4.7
50V
470p
100
10V
0.068
50V
MF
0.068
50V
MF
22
100V
0.01
100
10V
2.2
50V
100
10V
0.01
10
50V
0.1
100V
0.1
100V
4.7
50V
470p
100
10V
0.068
50V
MF
0.068
50V
MF
22
100V
10
50V
100
50V
13P
B-TO-B
13P
B-TO-B
1SS133T-72
1SS133T
1SS133T
1SS133T
1SS133T
1SS133T
1SS133T
1SS133T-72
1SS133T-72
MTZJ-T-72-33D
EARTH
MT
2SC1841
2SC2785
2SA988TP
2SC1841
2SC2785
2SC2785
2SC2785
2SC2785
2SC2785
2SC2785
BA1F4M
2SC1841
2SC1841
2SC2785
2SB1375
1k
1k
100k
10
1/2W
100
1/4W
FR
1
1/4W
FR
33k
2.2k
22k
10k
33k
68k
100k
100k
56k
47k
22k
22k
220
560k
47k
10k
47k
100k
4.7k
22k
47k
47k
1k
1k
100k
10
1/2W
100
1/4W
FR
4.7k
4.7k
33k
33k
100k
8.2k
1k
8.2k
RELAY
24V
10k
68k
10k
3PIN
CONNECTOR  3P
3P
WIRE LIST
GH7 ONLY
GH3
NO MT
TERMINAL, EARTH
2SA998
NO MT
JW
JW
0.1
10
50V
nO mT
22
50V
NO mT
NO mT
8A
8A
6.3A
6.3A
47k
47k
100
63V
47k
47k
1
1/4W
JW
STK 412-170
STK 412-170
220p
3.3k
1W
0.1
5W
0.1
5W
0.1
5W
3300
63V
3300
63V
2200
100V
2200
100
10000p
100k
100k
0.1
0.1
3.3k
MTZJ-77-18C
MTZJ-77-18C
O.1
5W
82k
RBV1506
D5SBA20
22k
22k
220
4P
NO MT
NO MT
NO MT
NO MT
NO MT
NO MT
NO MT
NO MT
NO MT
NO MT
NO MT
NO MT
NO MT
NO MT
NO MT
NO MT
NO MT
NO MT
VH+
VL-
VH-
VL+
STK MUTE
SENSOR MOUNTED PC BOARD
TRANS MOUNTED PC BOARD
TRANS MOUNTED PC BOARD
R CH
R CH
L CH
*
*
*
HISTORY
X COUNT
SUFFIX
D  A  T  E
SIGN.
DRAWN BY
PLANNED BY
CHECKED BY
APPROVED BY
UNIT
TOLERANCE
USED ON
RANK
FAMILY
ORIGINAL
MODEL
FINISH(COLOR)
DESCRIPTION
(E)
(J)
PART NO.
ANGLE
SCALE
6
5
4
3
2
1
MATERIAL(COLOR)
1
R E V I S I O N
TENTATIVE
SHEET
MODEL
PART NO.
:
ISSUED
mm
X
X
X
X
X
X
 -    
 -    
 -    
 -    
 -    
 -    
ECN-NO.
THIS DOCUMENT IS THE PROPRIETARY PROPERTY OF SONY. ITS USE IS AU
OR FOR THE PERFORMANCE OF WORK FOR SONY. ALL QUESTIONS MUST BE REFE
RRED TO THE LOCAL PURCHASING DEPARTMENT OF SONY.
THORIZE0 ONLY FOR RESPONDING TO A REQUEST FOR QUOTATION,
REPL.
STBY RELAY
D-GND
NEUTRAL
AC3
AC4
AC4
VF
VF
VL
VL
AC3
VH
GND
GND
VH
Vp
!
!
!
!
!
TO SUB-TRANS
N
TO TRANS
TO MAIN
!
!
!
!
NO MT
VH
VH
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
AC3
AC3
AC4
AC4
VF
VF
FAN ON
DBFB FEEDBACK
FAN DET
SP PROTECT IN
FRONT RELAY
OVERLOAD_DET
EVER+3.9V
EVER+3.9V
R CH
R GND
L GND
L CH
PROTECTOR
TO POWER AMP
TO NO504(P AMP)
SPEAKER
TO SUB TRANS
MUTING
SWITCH
OVER_LOAD
DET
!
!
!
!
!
230-240
220
120
SW PROTECT
POWER GND
GH7 ONLY
R-HP
L-HP
POWER GND
LINK RELAY
-VG
EVER+3.9V
!
!
!
!
!
!
!
!
!
!
TO CN973 (TRANS)
5
3
1
7
8
12
9
10
11
13
14
15
16
17
18
19
!
Q507,508
COM:220
COM:220
GH5:220P
220
127
220
N
127
220
127
-
127
-
220
-
-
GH5:2SC2785
HCD-RG90
GH5
e070560 B-GH5-POWERAMP-01 1 2002/06/18 13:30:35
7-26.  DIAGRAMA ESQUEMÁTICO - PLACA SUB-TRANS
MHC-RG90
47       47
Tensão nos Transistores 
Transistor 
B 
C 
E 
Q971 
0,8 
0,2 
0,0 
Tabela de IC's 
IC 971 
Pino 
Tensão 
Pino 
Tensão 
1 
9,9 
3 
4,0 
2 
0,0 
2
1
2
1
3
4
E
2
2
2
3
4
5
6
7
8
9
10
11
12
13
2
3
4
5
6
7
8
9
10
11
12
13
+
-
13
3
2
9
21
15
14
1
12
+VH
+REF
+VL
+RE/CH1
+PRE
NF/CH1
IN/CH1
-REF/CH1
LIM1
-PRE
8
1
2
3
2
3
T.F
2
3
+
-
7
16
6
4
5
10
11
22
20
18
17
SUB
BIAS
-VH
-REF
-VL
LIM2
+RE/CH2
GND
IN/CH2
NF/CH2
19
N.C
-RE/CH2
2
3
4
5
6
7
8
9
10
11
12
13
2
3
4
5
6
7
8
9
10
11
12
13
2
1
3
4
E
JW987
T910
C511
R562
R563
C520
C521
C522
NO505
NO501
R987
C523
C975
C976
C977
C978
CN974
D971
D972
D973
D974
D975
Q971
R974
R975
C971
RY971
C519
D977
R952
CN701
TH701
C973
C501
C502
C504
C507
C508
C509
C512
C514
C515
C516
C524
C526
C544
C545
C551
C552
C554
C557
C558
C559
C942
C943
CN502
CN503
D501
D502
D506
D507
D508
D509
D511
D551
D581
D941
EP502
Q501
Q502
Q503
Q504
Q505
Q506
Q507
Q508
Q510
Q511
Q512
Q551
Q581
Q831
Q941
R501
R505
R507
R509
R511
R512
R513
R514
R515
R516
R518
R519
R521
R522
R527
R528
R529
R530
R531
R532
R533
R537
R538
R542
R545
R546
R547
R548
R551
R555
R557
R559
R561
R564
R565
R581
R582
R592
R942
R943
R945
RY501
R517
R543
R544
NO504
CN976
TP1
TP2
TP3
TP4
TP5
TP6
TP7
TP8
TP9
TP10
TP11
TP12
TP13
T972
NO971
JW517
JW561
EP501
Q509
C910
R953
R944
R951
C517
C510
C581
IC971
F972
F973
F971
F976
F977
F974
F975
R502
R552
C941
R504
R554
R503
R553
C503
R941
D976
IC501(1/2)
IC501(2/2)
C553
R524
R510
R560
R558
C592
C542
C546
C596
C513
R591
R541
C591
C541
R520
D504
D503
R508
R523
D541
D543
R556
R506
R539
TM501
JW993
S901
JW990
JW984
JW986
JW975
JW974
CN973
FH9761
FH9762
FH9772
FH9771
FH9742
FH9752
FH9751
FH9741
CN997
FH9711
FH9712
FH9721
FH9722
R954
JW954
FH9732
FH9731
JW973
JW972
JW971
JW9771
JW9761
JW9751
JW9741
TH501
NO MT
NO MT
NO MT
NO MT
NO MT
NO MT
2P
13P
NO MT
0.01
25V
2200
16V
0.1
0.1
0.1
2P
VH
1SS133T
11ES2
11ES2
11ES2
11ES2
2SC2785
100k
10k
10000p
RELAY 9V
11ES2
0.15
1/4W
FR
CONNECTOR
2P
1K/10K
THEMISTOR
100
16V
4.7
50V
470p
100
10V
0.068
50V
MF
0.068
50V
MF
22
100V
0.01
100
10V
2.2
50V
100
10V
0.01
10
50V
0.1
100V
0.1
100V
4.7
50V
470p
100
10V
0.068
50V
MF
0.068
50V
MF
22
100V
10
50V
100
50V
13P
B-TO-B
13P
B-TO-B
1SS133T-72
1SS133T
1SS133T
1SS133T
1SS133T
1SS133T
1SS133T
1SS133T-72
1SS133T-72
MTZJ-T-72-33D
EARTH
MT
2SC1841
2SC2785
2SA988TP
2SC1841
2SC2785
2SC2785
2SC2785
2SC2785
2SC2785
2SC2785
BA1F4M
2SC1841
2SC1841
2SC2785
2SB1375
1k
1k
100k
10
1/2W
100
1/4W
FR
1
1/4W
FR
33k
2.2k
22k
10k
33k
68k
100k
100k
56k
47k
22k
22k
220
560k
47k
10k
47k
100k
4.7k
22k
47k
47k
1k
1k
100k
10
1/2W
100
1/4W
FR
4.7k
4.7k
33k
33k
100k
8.2k
1k
8.2k
RELAY
24V
10k
68k
10k
3PIN
CONNECTOR  3P
3P
WIRE LIST
GH7 ONLY
GH3
NO MT
TERMINAL, EARTH
2SA998
NO MT
JW
JW
0.1
10
50V
nO mT
22
50V
NO mT
NO mT
8A
8A
6.3A
6.3A
47k
47k
100
63V
47k
47k
1
1/4W
JW
STK 412-170
STK 412-170
220p
3.3k
1W
0.1
5W
0.1
5W
0.1
5W
3300
63V
3300
63V
2200
100V
2200
100
10000p
100k
100k
0.1
0.1
3.3k
MTZJ-77-18C
MTZJ-77-18C
O.1
5W
82k
RBV1506
D5SBA20
22k
22k
220
4P
NO MT
NO MT
NO MT
NO MT
NO MT
NO MT
NO MT
NO MT
NO MT
NO MT
NO MT
NO MT
NO MT
NO MT
NO MT
NO MT
NO MT
NO MT
VH+
VL-
VH-
VL+
STK MUTE
SENSOR MOUNTED PC BOARD
TRANS MOUNTED PC BOARD
TRANS MOUNTED PC BOARD
R CH
R CH
L CH
*
*
*
HISTORY
X COUNT
SUFFIX
D  A  T  E
SIGN.
DRAWN BY
PLANNED BY
CHECKED BY
APPROVED BY
UNIT
TOLERANCE
USED ON
RANK
FAMILY
ORIGINAL
MODEL
FINISH(COLOR)
DESCRIPTION
(E)
(J)
PART NO.
ANGLE
SCALE
6
5
4
3
2
1
MATERIAL(COLOR)
1
R E V I S I O N
TENTATIVE
SHEET
MODEL
PART NO.
:
ISSUED
mm
X
X
X
X
X
X
 -    
 -    
 -    
 -    
 -    
 -    
ECN-NO.
THIS DOCUMENT IS THE PROPRIETARY PROPERTY OF SONY. ITS USE IS AU
OR FOR THE PERFORMANCE OF WORK FOR SONY. ALL QUESTIONS MUST BE REFE
RRED TO THE LOCAL PURCHASING DEPARTMENT OF SONY.
THORIZE0 ONLY FOR RESPONDING TO A REQUEST FOR QUOTATION,
REPL.
STBY RELAY
D-GND
NEUTRAL
AC3
AC4
AC4
VF
VF
VL
VL
AC3
VH
GND
GND
VH
Vp
!
!
!
!
!
TO SUB-TRANS
N
TO TRANS
TO MAIN
!
!
!
!
NO MT
VH
VH
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
AC3
AC3
AC4
AC4
VF
VF
FAN ON
DBFB FEEDBACK
FAN DET
SP PROTECT IN
FRONT RELAY
OVERLOAD_DET
EVER+3.9V
EVER+3.9V
R CH
R GND
L GND
L CH
PROTECTOR
TO POWER AMP
TO NO504(P AMP)
SPEAKER
TO SUB TRANS
MUTING
SWITCH
OVER_LOAD
DET
!
!
!
!
!
230-240
220
120
SW PROTECT
POWER GND
GH7 ONLY
R-HP
L-HP
POWER GND
LINK RELAY
-VG
EVER+3.9V
!
!
!
!
!
!
!
!
!
!
TO CN973 (TRANS)
5
3
1
7
8
12
9
10
11
13
14
15
16
17
18
19
!
Q507,508
COM:220
COM:220
GH5:220P
220
127
220
N
127
220
127
-
127
-
220
-
-
GH5:2SC2785
HCD-RG90
GH5
e070560 B-GH5-POWERAMP-01 1 2002/06/18 13:30:35
7-27.  DIAGRAMA ESQUEMÁTICO - PLACA MAIN TRANS
MHC-RG90
48          48
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