Sony HCD-GRX3 / HCD-R300 / HCD-RX55 / MHC-GRX3 / MHC-R300 / MHC-RX55 Service Manual ▷ View online
— 66 —
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
I
I
I
—
I
I
I
I
I
I
I
O
I
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
—
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
Description
Input from CXD2508A SENS
Input from CXD2508A FOK. OK: H, Others: L
Input from CXD2508A COUNT
Ground
Input from CD mechanism pick up switch. Up: L, Others: H
Input from CD mechanism pick down switch. Down: L, Others: H
Input from CD mechanism disc count switch. Count: L, Others: H
Input from CD mechanism turn table switch. ON: L, OFF: H
Input from CD mechanism tray open switch. Open: L, Others: H
Input from CD mechanism tray close switch. Open: L, Others: H
AMS signal input. During program: H, Interval between programs: L
Serial mute (tuner) output (Not used)
Input from destination select mode switch. ON: H, OFF: L
FLD segment signal output P1. ON: H, OFF: L
FLD segment signal output P2. ON: H, OFF: L
FLD segment signal output P3. ON: H, OFF: L
FLD segment signal output P4. ON: H, OFF: L
FLD segment signal output P5. ON: H, OFF: L
FLD segment signal output P6. ON: H, OFF: L
FLD segment signal output P7. ON: H, OFF: L
FLD segment signal output P8. ON: H, OFF: L
FLD segment signal output P9. ON: H, OFF: L
FLD segment signal output P10. ON: H, OFF: L
FLD segment signal output P11. ON: H, OFF: L
FLD segment signal output P12. ON: H, OFF: L
FLD segment signal output P13. ON: H, OFF: L
FLD segment signal output P14. ON: H, OFF: L
FLD segment signal output P15. ON: H, OFF: L
(–) negative power supply
FLD segment signal output P16. ON: H, OFF: L
FLD segment signal output P17. ON: H, OFF: L
FLD segment signal output P18. ON: H, OFF: L
FLD segment signal output P19. ON: H, OFF: L
FLD segment signal output P20. ON: H, OFF: L
FLD segment signal output P21. ON: H, OFF: L
FLD grid signal output 15. ON: H, OFF: L
FLD grid signal output 14. ON: H, OFF: L
FLD grid signal output 13. ON: H, OFF: L
FLD grid signal output 12. ON: H, OFF: L
FLD grid signal output 11. ON: H, OFF: L
FLD grid signal output 10. ON: H, OFF: L
FLD grid signal output 9. ON: H, OFF: L
FLD grid signal output 8. ON: H, OFF: L
FLD grid signal output 7. ON: H, OFF: L
FLD grid signal output 6. ON: H, OFF: L
FLD grid signal output 5. ON: H, OFF: L
FLD grid signal output 4. ON: H, OFF: L
FLD grid signal output 3. ON: H, OFF: L
FLD grid signal output 2. ON: H, OFF: L
FLD grid signal output 1. ON: H, OFF: L
Pin Name
SENS
FOK
COUNT
VSS
PIC UP
PIC DOWN
DISC COUNT SW
TURN TABLE SW
TRAY OPEN SW
TRAY CLOSE SW
VSS
SERI MUTE
(TUNER)
MODE SW IN
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
–V LOAD
P16
P17
P18
P19
P20
P21
G15
G14
G13
G12
G11
G10
G9
G8
G7
G6
G5
G4
G3
G2
G1
SECTION 6
EXPLODED VIEWS
NOTE:
•
-XX, -X mean standardized parts, so they may
have some differences from the original one.
have some differences from the original one.
•
Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
•
The mechanical parts with no reference number
in the exploded views are not supplied.
in the exploded views are not supplied.
•
Hardware (# mark) list and accessories and
packing materials are given in the last of this
parts list.
packing materials are given in the last of this
parts list.
— 67 —
When indicating parts by reference number,
please include the board name.
please include the board name.
The components identified by mark
!
or
dotted line with mark
!
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
!
sont critiques pour la sécurité.
Ne les remplacer que par une pièce portant
le numéro spécifié.
le numéro spécifié.
1
2
3
4
5
6
7
8
9
10
CD mechanism deck
PT302
12
not supplied
#10
#10
#10
#10
#11
#11
#3
#11
#12
#3
#11
#11
#11
#3
#14
#14
#4
#4
#3
#11
#11
#11
#11
#10
#14
#2
#3
13
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
6-1. CABINET SECTION
1
4-210-584-01 WINDOW, CD
* 2
4-210-616-01 COVER (-GRX), TOP
3
4-210-579-01 HOLDER, MAIN PC BOARD
* 4
A-4405-480-A MAIN BOARD, COMPLETE (US,CND)
* 4
A-4405-482-A MAIN BOARD, COMPLETE (E,AUS,SP,MY,TW)
* 4
A-4405-483-A MAIN BOARD, COMPLETE (MX)
* 5
4-210-591-01 CABINET (A), REAR
* 6
4-210-617-01 COVER, REAR (US,CND)
* 6
4-210-618-01 COVER, REAR (E,SP,MY,TW)
* 6
4-210-619-01 COVER, REAR (AUS,MX)
* 7
A-4405-477-A AMP BOARD, COMPLETE (US,CND)
* 8
1-670-445-11 FUSE BOARD
!
9
1-551-506-99 CORD, POWER (E,MX)
!
9
1-559-583-11 CORD, POWER (US,CND)
!
9
1-696-966-11 CORD, POWER (AUS)
!
9
1-765-558-11 CORD, POWER (SP,MY,TW)
* 10
3-703-244-00 BUSHING (2104), CORD (AUS,SP,MY,TW)
10
3-703-571-11 BUSHING (S) (4516), CORD (US,CND,E,MX)
12
4-210-580-01 SPACER (SCC-20), PC BOARD
* 13
1-771-477-11 VOLSEL BOARD
!
PT302
1-431-950-11 TRANSFORMER, POWER (US,CND)
!
PT302
1-431-952-11 TRANSFORMER, POWER (E,AUS,SP,MY,TW)
!
PT302
1-431-953-11 TRANSFORMER, POWER (MX)
•
Abbreviation
CND
CND
: Canadian
AUS
: Australian
MX
: Mexico
AED
: North European
SP
: Singapore
MY
: Malaysia
TW
: Taiwan
AR
: Argentine
G
: German
— 68 —
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
6-2. FRONT PANEL SECTION
51
4-210-586-01 WINDOW (R), CASSETTE
52
4-210-588-01 DOOR (R), CASSETTE
53
4-210-577-01 SPRING (R), CASSETTE
54
4-210-572-01 HOLDER (R), CASSETTE
55
4-210-585-01 WINDOW (L), CASSETTE
56
4-210-587-01 DOOR (L), CASSETTE
57
4-210-576-01 SPRING (L), CASSETTE
58
4-210-571-01 HOLDER (L), CASSETTE
59
4-992-154-01 RUBBER, FOOT
60
4-210-592-01 WINDOW, DISPLAY
61
4-210-581-01 HOLDER, CD BUTTON
62
4-962-708-01 EMBLEM (4-A), SONY
63
4-992-131-01 DAMPER (GRY), GEAR
64
4-210-553-01 BUTTON, POWER
65
4-210-554-01 BUTTON, CLOCK
66
4-210-570-01 BUTTON (B), CD
67
4-210-556-01 BUTTON, MODE
68
4-210-560-01 BUTTON, REC
69
4-210-562-01 KNOB, VOLUME
70
4-210-561-01 KNOB, JOG
71
4-210-563-01 RING, JOG
72
4-210-593-01 PLATE, DISPLAY
73
4-210-558-01 BUTTON, SURROUND
74
4-210-557-01 BUTTON, NEXT
75
4-210-555-01 BUTTON, FUNCTION
76
4-210-559-01 BUTTON, UP/DOWN
77
4-210-552-01 PANEL (B), FRONT
78
4-210-574-01 WASHER (9Q), VOLUME
79
4-210-578-01 SPRING, EJECT LEVER
80
4-210-575-01 LEVER, EJECT
81
4-210-573-01 HOLDER, EJECT
82
4-210-551-01 PANEL (A), FRONT
* 83
A-4405-479-A PANEL BOARD, COMPLETE (US,CND,MX)
* 83
A-4405-485-A PANEL BOARD, COMPLETE (E,AUS,SP,MY,TW)
* 84
1-670-441-11 VOLUME BOARD
* 85
A-4414-609-A DECK BOARD, COMPLETE
* 86
1-670-443-11 CD BUTTON BOARD
Ver 1.1 2001.11
51
55
52
56
57
53
54
59
82
58
60
61
62
63
80
81
63
81
79
68
66
69
78
71
70
67
64
65
86
72
77
74
76
84
a
a
75
83
85
Cassette mechanism deck
79
73
#15
#15
#15
#15
#16
#16
#16
#16
#16
#16
#16
#16
#16
#16
#16
#16
#16
#16
#16
#16
not supplied
not
supplied
supplied
not supplied
— 69 —
6-3. CASSETTE MECHANISM DECK SECTION
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
151
1-759-633-11 DECK, MECHANICAL
152
9-880-883-01 HOLDER HEAD ASSY
153
9-880-884-01 FRAME HEAD
154
9-880-885-01 SPRING AZIMUTH
155
9-880-886-01 ARM PINCH L ASSY
156
9-880-887-01 ARM PINCH R ASSY
157
9-880-889-01 COIL ASSY
158
9-880-890-01 PLUNGER
159
9-880-891-01 MODE SW
160
9-880-892-01 SWITCH LEAF
161
9-880-893-01 BELT
162
9-880-894-01 HOLDER HEAD ASSY
163
9-880-895-01 BELT
164
9-880-896-01 MOTOR ASSY
161
158
not supplied
157
160
159
151
164
not supplied
not supplied
160
154
154
156
162
153
155
not supplied
156
152
153
155
159
160
158
157
not supplied
not supplied
163
not supplied
not supplied
Click on the first or last page to see other HCD-GRX3 / HCD-R300 / HCD-RX55 / MHC-GRX3 / MHC-R300 / MHC-RX55 service manuals if exist.