Sony MDS-JE640 Service Manual ▷ View online
53
55
HLDA/ALE
O
Microprocessor mode output. (Not used.)
56
MNT2 (XBUSY)
I
In the state of executive command from the CXD2662R
57
VSS
—
Ground.
58
(MNT1) SHCK
I
Track jump signal input from the CXD2662R
59
VCC
—
Power supply. (+3.3V)
60
EEP-WP
O
EEP-ROM write protect signal output. L: write possibility
61
SDA
I/O
Data signal input/output pin with the EEP-ROM.
62
BUS CLK
O
Not used.
63
OE
O
Read signal output.
64
BHE CASH
O
Not used.
65
WE R/W
O
Write signal output.
66
SCL
O
Clock signal output to the EEP-ROM.
67
REFLECT-SW
I
Disk reflection rate detection input from the reflect detection switch. H: Disk with low reflection rate
68
PROTECT-SW
I
Recording-protection claw detection input from the protection detection switch. H: Protect
69
CS0
O
Chip select signal output to the Flash ROM.
70
CS1
O
Not used.
71
CS2
O
Not used.
72
A20
O
Not used.
73
A19
O
Address bus signal output to Flash ROM.
74
VCC
—
Power supply. (+3.3V)
75
A18
O
Address bus signal output to Flash ROM.
76
VSS
—
Ground
77 to 85
A17 to A9
O
Address bus signal output to Flash ROM.
86 to 89
MODEL SEL 1 to 4
O
Not used.
90
WP
O
Write protect signal to the Flash ROM.
91
VCC
—
Power supply. (+3.3V)
92
A8
O
Address bus signal output to Flash ROM.
93
VCC
—
Power supply. (+3.3V)
94 to 101
A7 to A0 LB
O
Address bus signal output to Flash ROM.
102 to 113
D15 to D4
I/O
Data bus signal input/output to the Flash ROM.
114
K.B-CLK-CTRL
O
Keyboard clock ON/OFF signal output. L: OFF H: ON
115
IIC BUSY
O
IIC cable connect check. L: Active
116
K.B-DATA
O
Keyboard data output.
117, 118
REC-VOL B, A
O
Not used.
119 to 122
D3 to D0
I/O
Data bus signal input/output to the Flash ROM.
123, 124
JOG1, JOG0
I
Jog dial pulse input from the rotary encoder.
125
LATCH(DA)
O
Not used.
126
REC
O
Mute signal output when Beep Rec.
127
NC
O
Not used.
128
CS(FL)
O
Chip select signal output to the display driver.
129
POWER(IIC)
O
Media commucator start-up check.
130
VSS
—
Ground.
131
STB
O
Strobe signal output to the power supply circuit. H: Power supply ON: L: standby
132
VCC
—
Power supply. (+3.3V)
133
IOP
I
Optical Pick-up voltage (current) detect signal input.
134
(A/D-6)
I
Model discrimination.
135
(A/D-5)
I
Model discrimination.
136
TIMER/BEEP SW
I
Timer mode select signal input.
137 to 139
KEY 3 to KEY 1
I
Key input pin (A/D input)
140
AVSS
—
Ground. (Analog)
141
KEY0
I
A/D reference voltage.
142
VREF
—
Power supply. (+3.3V)
143
AVCC
—
Power supply. (+3.3V)
144
NC
I
Not used.
Function
Pin Name
Pin No.
I/O
54
13
11
12
11
9
8
10
17
20
16
18
3
4
5
6
6
6
6
7
7
7
7
1
2
13
14
15
MDM-7A
A
A
not
supplied
supplied
not supplied
not supplied
Front panel section
#1
#1
#2
(SP, MY)
(SP, MY)
#1
#1
#1
#1
#1
SP,MY
CND
19
19
UK
AEP, UK, CIS, SP, MY
not supplied
7-1. CHASSIS SECTION
1
X-4947-390-3 FOOT ASSY (F50150S) (BLACK)
1
X-4952-299-1 FOOT ASSY (F50150S) (SILVER)
2
4-983-762-02 CUSHION
* 3
3-703-150-11 CLAMP
* 4
3-644-407-00 CLIP, AC WIRE E
5
1-677-820-11 PT BOARD
6
4-228-689-01 INSULATOR
7
4-228-643-01 SCREW (+BVTTWH M3), STEP
8
1-792-812-11 WIRE (FLAT TYPE) (27 CORE)
9
1-792-811-11 WIRE (FLAT TYPE) (23 CORE)
10
4-221-887-01 SCREW, +PTTWH (M3) (S) TITE
11
4-210-291-01 SCREW (CASE 3 TP2) (BLACK)
11
4-210-291-11 SCREW (CASE 3 TP2) (SILVER)
12
4-983-661-01 UPPER CASE (408226) (BLACK)
12
4-983-661-41 UPPER CASE (408226) (SILVER)
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
0 13
1-777-071-61 CORD, POWER (AEP,UK,CIS,SP,MY)
0 13
1-783-531-31 CORD, POWER (CND)
14
4-966-267-12 BUSHING (FBS001), CORD
15
4-228-638-01 PANEL, BACK (AEP,UK,CIS)
15
4-228-638-31 PANEL, BACK (CND)
15
4-228-638-41 PANEL, BACK (SP,MY)
16
1-569-972-21 SOCKET, SHORT 2P
17
A-4725-416-A MAIN BOARD, COMPLETE (CND)
17
A-4725-422-A MAIN BOARD, COMPLETE (AEP,UK,CIS)
17
A-4725-429-A MAIN BOARD, COMPLETE (SP,MY)
18
3-531-576-41 RIVET (DIA. 3), NYLON
0 19
1-569-008-21 ADAPTOR, CONVERSION 2P (SP,MY)
0 19
1-770-019-11 ADAPTOR, CONVERSION PLUG 3P (UK)
20
1-677-823-11 VOL-SEL BOARD (SP,MY)
SECTION 7
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.
• Color Indication of Appearance Parts Example:
KNOB, BALANCE (WHITE)
X
Parts color
•
Abbreviation
CND : Canadian model
SP
CND : Canadian model
SP
: Singapore model
MY : Malaysia model
The components identified by mark
0
or
dotted line with mark
0
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
0
sont critiques pour la sécurité.
Ne les remplacer que par une pièce portant
le numéro spécifié.
le numéro spécifié.
55
7-2. FRONT PANEL SECTION
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
51
X-4952-917-1 PANEL ASSY, FRONT (BLACK)
(AEP,UK,CIS,SP,MY)
51
X-4952-918-1 PANEL ASSY, FRONT (SILVER)
51
X-4952-920-1 PANEL ASSY, FRONT (BLACK) (CND)
52
A-4672-928-A KNOB (AMS) ASSY (BLACK)
52
A-4672-929-A KNOB (AMS) ASSY (SILVER)
53
3-354-981-11 SPRING (SUS), RING
54
4-228-622-01 WINDOW (FL)
55
4-228-629-01 LID(MD) (BLACK)
55
4-228-629-21 LID(MD) (SILVER)
56
4-228-630-01 SPRING (LID), TENSION COIL
57
4-951-620-01 SCREW (2.6X8), +BVTP
58
1-677-822-11 KB BOARD
59
4-950-189-01 KNOB (A) (VOL) (BLACK)
59
4-950-189-71 KNOB (A) (VOL) (SILVER)
60
1-677-821-11 HP BOARD
61
3-917-216-11 KNOB (TIMER) (BLACK)
61
3-917-216-71 KNOB (TIMER) (SILVER)
62
1-677-819-11 KEY-SW BOARD
63
1-792-814-11 WIRE (FLAT TYPE) (17 CORE)
64
A-4725-412-A DISPLAY BOARD, COMPLETE (CND)
64
A-4725-418-A DISPLAY BOARD, COMPLETE (AEP,UK,CIS)
64
A-4725-424-A DISPLAY BOARD, COMPLETE (SP,MY)
* 65
4-996-686-11 HOLDER (FL)
* 66
4-949-935-51 CUSHION (FL)
67
4-977-593-11 RING(DIA. 50), ORNAMENTAL
(AEP,UK,CIS,SP,MY)
68
X-4952-923-1 ESCUTCHEON (MD) ASSY (BLACK)
68
X-4952-925-1 ESCUTCHEON (MD) ASSY (SILVER)
FL780
1-517-987-11 INDICATOR TUBE, FLUORESCENT
57
54
68
55
52
51
57
57
58
67
53
56
60
61
62
63
64
57
57
57
57
65
66
57
supplied with RV791
FL780
supplied with J791
not supplied
not supplied
not supplied
59
56
7-3. MECHANISM SECTION-1
(MDM-7A)
204
205
206
202
201
207
205
202
211
212
210
209
214
213
215
216
218
203
217
208
220
219
not supplied
not supplied
not
supplied
supplied
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
* 201
4-996-267-01 BASE (BU-D)
202
4-908-618-21 SCREW (+BTP) (2X6)
203
4-227-007-01 GEAR (SB)
204
4-227-025-01 BELT (LOADING)
205
3-372-761-01 SCREW (M1.7), TAPPING
206
4-227-002-01 GEAR, PULLEY
207
4-226-999-01 LEVER (HEAD)
208
X-4952-665-1 SPRING (SHT) ASSY, LEAF
209
4-228-923-01 LOCK (HOLDER)
210
4-229-533-01 SPRING (STOPPER), TORSION
211
4-227-012-01 SPRING (HOLDER), TENSION
212
A-4680-638-B PLATE (HOLDER) ASSY, RETAINER
213
4-227-013-01 SPRING (EJ), TENSION
214
4-226-996-01 LIMITTER (EJ)
215
4-226-995-01 SLIDER (EJ)
216
4-226-997-01 SLIDER
217
4-226-998-01 LEVER (CHG)
218
4-227-006-01 GEAR (SA)
219
A-4672-973-D HOLDER ASSY
220
4-226-994-01 GUIDE (L)
Ver. 1.2
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