Sony HCD-GRX20 / HCD-RXD3 / MHC-GRX20 / MHC-RXD3 (serv.man2) Service Manual ▷ View online
HCD-GRX20/RXD3
25
25
6-8. SCHEMATIC DIAGRAM FRONT PANEL SECTION
• Refer to page 19 for Waveforms. • Refer to page 30 for IC Pin Function. • Refer to page 19 for Note on Schematic Diagram.
R612
ROTARY
ENCODER
0.01
0.01
100k
EXCEPT E,SP,TW,MX,AR MODELS
EXCEPT MX MODEL
EXCEPT MX MODEL
AR,E,MX MODELS
C622 10
µ
2SA733
0.1
0.022
6.3V
150
SPS-447-1
21
21
29
82040
HCD-GRX20/RXD3
26
26
D
TO MAIN BOARD
CN701
(Page 20)
1-674-560-
11
(11)
1-674-558-
1-674-880-
11
(11)
11
(11)
AMPLIFIER BOARD
FUSE BOARD
AC SWITCH BOARD
R
JK401
SPEAKER
SW401
AC VOLTAGE
1-674-554-
11
(11)
TR BOARD
1
3
1
3
B
E
B
E
Q701
CN704
~
AC IN
L
16
19
1
2
20
F702
GND
RED
YEL
BLU
WHT
WHT
AC4
AC3
AC5
P2
P6
P5
P9
P2
P4
P3
P9
P4
P5
AC6
AC4.8V
AC4.8V
T001
POWER
TRANSFORMER
GND
AC4
AC3
AC5
P6
P7
AC6
AC4.8V
AC4.8V
T001
POWER
TRANSFORMER
AC1
AC2
P7
RED
P5
P3
P9
P8
P6
RED
JK401
C415
C416
L402
L401
R434
R435
R418
R417
GND
P10
Q702
C424
C426
C423
C425
C727
C726
C728
C724
C730
R404
C722
C729
C725
C723
R712
D712
D709
D404
R702
RL401
CN704
Q402
R402
R401
R405
R433
R406
C402
C408
C498
C497
C406
C405
C404
C409
C407
C401
Q401
Q411
C403
R409
R403
D405
D713
D705
D707
D714
D702
R706
R707
R449
R448
R456
R455
R427
R432
C735
Q412
Q403
Q413
R413
R412
R421
R422
D402
IC402
D406
C731
C417
CN701
C716
C418
C422
C427
D708
D706
R442
R451
R443
R704
R753
R407
R408
R446
R410
C413
C751
C721
C717
C712
C718
C720
C734
C735
R703
R710
C719
C706
C708
C710
C704
C705
C703
C414
C411
C410
R411
R414
IC401
GND
C430
R420
R419
R725
D704
Q704
D701
C701
C702
C714
C713
C715
C709
C707
C711
R751
F701
Q703
R705
CN703
D703
D716
D711
R708
R709
R709
C733
Q705
R423
R425
R415
R416
R430
R428
C428
C421
C419
R424
C429
Q405
Q404
R444
R429
R426
D403
B
B
B
E
E
B
B
B
E
E
E
E
1
8
B
E
1
15
B
E
S
S
S
D
G
D
G
D
D
G
G
(4146270110)
(4144270020)
(4146270130)
D
AC
6
6
AC
5
5
A
C3.4V
A
C3.4V
AC
4
4
AC
3
3
GND
C499
110-120V
220-240V
GRX20 MODEL
GRX20:AUS,RXD3 MODEL
GRX20:E,SP,TW,MX,AR MODEL
RXD3
MODEL
MODEL
WHT
WHT
ORG
F703
GRX20:
AR,E,SP,TW
MODEL
AR,E,SP,TW
MODEL
1
2
A
B
C
D
E
F
G
H
I
3
4
5
6
7
8
9
10
11
12
13
14
6-9. PRINTED WIRING BOARD AMPLIFIER SECTION
• Refer to page 16 for Circuit Boards Location. • Refer to page 19 for Note on Printed Wiring Board.
Ref. No.
Location
• Semiconductor
Location
Ref. No.
Location
Ref. No.
Location
D402
E-7
D403
E-7
D404
D-6
D405
F-3
D406
E-7
D701
H-4
D702
I-6
D703
I-7
D704
H-3
D705
G-2
D706
G-3
D707
G-3
D708
G-3
D709
D-5
D711
H-7
D712
D-6
D713
F-3
D714
G-4
D716
I-8
IC401
C-3
IC402
E-7
Q401
E-2
Q402
D-5
Q403
F-7
Q404
F-7
Q405
E-8
Q411
F-2
Q412
G-6
Q413
G-6
Q701
A-4
Q702
C-6
Q703
H-2
Q704
I-2
Q705
H-8
Ref. No.
Location
HCD-GRX20/RXD3
27
27
6-10.
SCHEMATIC DIAGRAM AMPLIFIER SECTION
• Refer to page 19 for Note on Schematic Diagram.
AC IN
C726
100
µ
16V
UZ-12BSA
UZ-8.2BSA
UZ-27BSA-TA
C701
3300
3300
µ
50V :
EXCEPT AUS MODEL
3300
3300
µ
63V :
AUS MODEL
C702
3300
3300
µ
50V :
EXCEPT AUS MODEL
3300
3300
µ
63V :
AUS MODEL
100
µ
50V :
EXCEPT AUS MODEL
100
100
µ
63V : AUS MODEL
100
µ
50V
:
EXCEPT AUS MODEL
100
µ
63V
:AUS MODEL
100
µ
50V
:
EXCEPT AUS MODEL
100
µ
63V
:AUS MODEL
*
100
µ
50V :
EXCEPT AUS MODEL
100
100
µ
63V : AUS MODEL
*
-070E
R444
10
10
0.022
(CHASSIS)
J746
J475
GRX20
MODEL
MODEL
GRX20
MODEL
MODEL
RXD3
MODEL
MODEL
RXD3
MODEL
MODEL
T2A
AC IN
SW401
GRX20 : AR,E,SP,TW : 4.0A 250V
GRX20 : AR,E,SP,TW MODEL
GRX20 : MX : 4.0A 125V
F702
AC VOLTAGE
220 – 240 V
110 – 120 V
GRX20 : AUS, RXD3 MODELS
GRX20 : E,SP,TW,MX,AR MODELS
AC SWITCH
FUSE
F703
T2AL
250V
23
HCD-GRX20/RXD3
28
28
6-11.
PRINTED WIRING BOARD CD SECTION
• Refer to page 16 for Circuit Boards Location. • Refer to page 19 for Note on Printed Wiring Board.
Ref. No.
Location
D703
G-7
D707
E-7
D708
F-7
D797A
E-6
IC701
H-9
IC702
E-10
IC703
I-7
IC704
F-7
IC705
H-6
Q701
H-8
Q702
G-6
Q703
I-6
Q705
E-6
Q706
F-6
Q707
E-7
Q708
E-7
• Semiconductor
Location
CD DECORD BOARD
5
1
CN709
R779
Q705
C787
R789
R790
C788
Q706
R780
C793
C794
C792
R796
R795
D797A
CN704
C790
C790A
L706
C789
R797
R748A
Q707
Q708
C795
R798L
R778L
R798R
R778R
C780A
C779A
C751
R777
R795A
R796A
D707
R778
D708
C791
CN705
R780A
22
R767A
R787
R788
C768
R767
R766
C797
IC704
D703
C748A
Q702
R747A
R746
R775
R747
C732
C733
R751
C745
C752
C744
R752
C703
C704
R744
R745
R748
IC 705
C742
C743
C738
R753
C707
R705
CN702
C737
C741
Q703
C740
R742
IC703
C706
R707
C735
C734
C701
R701
C736
R768A
C798
C746
C785
C773 C774
R774
R773
Q701
C705
C702
R721
R706
R704
C731
C708
R717
R715
R716
R713
R718
R714
IC701
C719
C721
C720
C715
C725
C730
R726
R732
C729
C727
R727
T
.P02
(E-F)
T
.P01
(RF)
R734
R735
R740
R743
R728
R739
R736
R737
R722
C766
C765
C769
C778
C779
C799
C784
R786
R784
R782
C772
C782
C770
CN707
C783
R785
R783 R781
C781
C799B
XTL01
R755
C771A
C754
C753
R771
CN703
CN703
C777
C771
C764
C762
R764
R763
R710A
C710A
C761
C760
R762
C763
IC702
C755
R759
R758
C757
C759
R731
R756
R765
R733
C756
R760
R761
C728 R741
R730
C718
R729
C726
C724
C723
R725
R726A
C726A
C722
C717
R723
R724
C712
C716
C716
C711
R720
R710
R711
C713
C714
R719
C767
C780
R766A
C786
B
E
B
E
1
8
1
6
1
16
17
32
E
B
8
1
E
B
1
8
9
16
E
B
E
B
1
2
21
1
7
1
20 21
40
41
60
61
80
3
1
1
13
14
26
27
39
40
52
E
B
CN701
1
2
16
15
E
TO
FRONT BOARD
CN605
(Page 24)
MOTOR
M102
SLED
SLED
CN03
6
1
M101
SPINDLE
MOTOR
M
_
+
_
S05
LIMIT
+
_
M
_
5
1
1
2
1
2
2
1
CN19
CN18
C01
C82A
CN06
M
_
M103
TURN TABLE
MOTOR
1 2
CN19
S03
1-674-789-
1-674-788-
CN18
S04
1-674-792-
1-639-678-
TURN TABLE
OPERATION
DET
1
3
5
1
CN05
CN16
S01
1-674-791-
(4142269820)
(4145258230)
(4145258240)
(4145258210)
(4142269810)
(4145258220)
(4145258250)
OPTICAL
PICK-UP
DET
OPEN/CLOSE
DET
1
3
S02
CN16
1-674-790-
1-674-794-
TURN TABLE
POSITION
DET
MOTOR (6P) (S) BOARD
MOTOR BOARD
SW (B) BOARD
SW (A) BOARD
SW (D) BOARD
PHOTO SOCKET
BOARD
BOARD
SW (C) BOARD
C
TO
MAIN BOARD
CN301
(Page 20)
M
_
M104
TRAY
TRAY
MOTOR
OPTICAL
PICK-UP
BLOCK
KSM-213ECM/C2NP
Y
Y
_
11
11
(11)
11
(11)
11
(11)
11
(11)
11
11
(11)
(11)
16
1
3
PH701
PH701
OPTICAL
OUT
7+
6–
+B
1-674-793-
11
(11)
1
2
A
B
C
D
E
F
G
H
I
3
4
5
6
7
8
9
10
11
12
13
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