Sony HCD-GRX20 / HCD-RXD3 / MHC-GRX20 / MHC-RXD3 (serv.man2) Service Manual ▷ View online
HCD-GRX20/RXD3
21
21
6-4. SCHEMATIC DIAGRAM MAIN (1/3) SECTION
• Refer to page 19 for Waveforms. • Refer to page 33 for IC Block Diagrams. • Refer to page 19 for Note on Schematic Diagram.
0.47
µ
R136
R175
*
*
*
*
*
*
C186 0.001
µ
mH
C167
L109 22
µ
H
47
0.047
µ
0.047
µ
68
220
16V
R167 2.2k
C107
mH
0.047
µ
C100
0.001
MARK :
GRX20
C107
NO MOUNT
NO MOUNT
220
5.6k
1k
100
0.01
µ
0.022(T)
560p(T)
10p
C135
C167
R105
R106
RXD3
25
23
22
23
25
E,AUS,SP,TW MODEL
HCD-GRX20/RXD3
22
22
6-5. SCHEMATIC DIAGRAM MAIN (2/3) SECTION
• Refer to page 19 for Waveforms. • Refer to page 33 for IC Block Diagrams. • Refer to page 19 for Note on Schematic Diagram.
10
Q552
Q551
502
Q252
0.0012
0.0012
0.018
22
µ
0.018
µ
23
21
TC74HC4094AP
TC74HC165AP
Ver 1.1 2001.11
HCD-GRX20/RXD3
23
23
6-6. SCHEMATIC DIAGRAM MAIN (3/3) SECTION
• Refer to page 33 for IC Block Diagrams. • Refer to page 19 for Note on Schematic Diagram.
47
µ
D302
UZ6.2B
R341
470
R336
680
R333
47k
R358
470
C352
0.1
C351
0.1
C363
0.1
29
22
27
21
HCD-GRX20/RXD3
24
24
6-7. PRINTED WIRING BOARD FRONT PANEL 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
D601
G-11
D602
G-11
D603
G-10
D604
G-10
D611
B-5
D612
C-7
D613
B-5
D614
B-6
D615
B-6
D616
B-6
D617
B-6
D618
B-6
D619
B-7
D620
B-7
D621
B-7
D622
B-5
D623
B-5
D625
G-5
D626
G-5
D627
G-6
D628
G-6
D629
G-7
D630
G-7
D631
G-7
D633
H-6
D634
G-7
D635
G-7
D651
G-2
D652
G-2
D653
C-4
D654
E-4
Ref. No.
Location
Ref. No.
Location
IC601
C-5
IC602
D-9
Q601
G-10
Q602
G-9
Q602A
G-3
Q603
D-10
Q604
D-10
Ref. No.
Location
Q605
C-8
Q606
C-8
Q607
D-3
Q608
D-3
VR601
VOLUME
VR601
S623
S621
R672
R604
D604
R600
R671
R603
R605
R601
R602
D603
C605
C606
D602
D601
Q601
Q602
R640
R608
R641
R642
R643
R658
R657
R656
R621
R622
R623
R660
R644
R646
R645
R611
R609
C616
R674
R675
D652
D651
R673
R670
C602
C604
C611
C610
C603
C609
C601
CN601
CN602
S606
DBFB
S618
CD SYNC
S625
DISC 1
S626
DISC 2
S627
DISC 3
S628
DISC SKIP/
EX-CHANGE
S617
PAUSE
S616
REC
S620
FUNCTION
S601
S603
TIMER SELECT
1-674-561-
11
(11)
1-674-556-
(4142271920)
(414627020)
(4142271910)
11
(11)
1
1
3
3
1
3
1
21
22 20
2
10
11
E
TO
CD DECORD BOARD
CN705
(Page 28)
B
TO
MAIN BOARD
CN601
(Page 20)
CN603
1-674-555-
11
(11)
C600 RM601
CN604
E
E
B
B
E
B
E
B
EDIT/
DIRECTION
PLAY MODE
TUNER
MEMORY
S608
S605
FILE
SELECT
S602
CLOCK
TIMER SET
S622
REPEAT
/STEREO/MONO
S604
DISPLAY
/DEMO
S615
C615
TUNER
/BAND
S624
ENTER
/NEXT
S619
TAPE A
S609
S629
S613
TAPE B
S612
TAPE B
S610
S614
S611
S607
CD
OPEN/CLOSE
R655
LED602
LED601
LED604
LED603
CN605
CN603
R664
LED605
LED607
R678
R600A
Q602A
R600B
R668
C608
E
B
C608A
R665
R666
R667
R677
R676
R669
R626
R634
R633
Q607
Q608
R625
R648
R649
R647
RA605
RA606
Q603
Q604
C612
C625
C626
C622
C623
C624
R606
R607
RA607
RA608
RA609
D617
D618
D612
C613
C614
D619
IC601
LED606
X601
79
80
100
51
50
30 31
1
1
10
20
29
40
49
D614
D616
RA603
RA602
RA601
FLD601
RA604
CN604
R652
R630
R610
R628
R624
R627
R638
R636
R631
R629
R663
R659
R662
R697
R685
R693
R689
R691
R687
R683
R694
R684
R692
R688
R695
R696
R681
R680
C641
C642
C644
C645
C648
C651
C652
C650
C647
C649
C646
D634
D633
D625
D631
D629
D628
D627
D630
D635
D626
R661
R653
R654
R651
FRONT BOARD
SENSOR BOARD
VR BOARD
16
S
D
G
S
D
G
F
L601
C620
C621
TP601
IC602
1
1
11
1
11
1
3
9
10
18
A
TO
MAIN BOARD
CN602
(Page 20)
R600D
D654
D653
Q605
Q606
E
E
B
B
R612
EXCEPT MX MODEL
EXCEPT
MX MODEL
MX MODEL
AR,E,MX MODEL
1
2
A
B
C
D
E
F
G
H
3
4
5
6
7
8
9
10
11
12
13
14
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