Sony MDS-JE470 Service Manual ▷ View online
11
MDS-JE470
Hexadecimal
Bit
Binary
Higher Bits
Lower Bits
8
4
2
1
8
4
2
1
b7 b6 b5 b4 b3 b2 b1 b0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
Hexa-
decimal
Details
01
02
04
08
10
20
40
80
Emphasis OFF
Monaural
This is 2-bit display. Normally 01.
01:Normal audio. Others:Invalid
Audio (Normal)
Original
Copyright
Write prohibited
When 0
When 1
Emphasis ON
Stereo
Invalid
Digital copy
No copyright
Write allowed
Reading the Display:
Convert the hexadecimal display into binary display. If more than two causes, they will be added.
Convert the hexadecimal display into binary display. If more than two causes, they will be added.
Example When 84 is displayed:
Higher bit : 8 = 1000
t b7
Lower bit : 4 = 0100
t b2
In this case, as b2 and b7 are 1 and others are 0, it can be determined that the retry cause is combined of “emphasis OFF”, “monaural”,
“original”, “copyright exists”, and “write allowed”.
“original”, “copyright exists”, and “write allowed”.
Example When 07 is displayed:
Higher bit : 0 = 1000
t All 0
Lower bit : 7 = 0111
t b0+b1+b2
In this case, as b0, b1, and b2 are 1 and others are 0, it can be determined that the retry cause is combined of “emphasis ON”, “stereo”,
“original”, “copyright exists”, and “write prohibited”.
“original”, “copyright exists”, and “write prohibited”.
Hexadecimal t Binary Conversion Table
Hexadecimal
Binary
Hexadecimal
Binary
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Reading the Track Mode Display
Reading the Display:
Convert the hexadecimal display into binary display. If more than two causes, they will be added.
Convert the hexadecimal display into binary display. If more than two causes, they will be added.
Example
When 42 is displayed:
Higher bit : 4 = 0100
Higher bit : 4 = 0100
t b6
Lower bit : 2 = 0010
t b1
In this case, the retry cause is combined of “CLV unlock” and “ader5”.
When A2 is displayed:
Higher bit : A = 1010
Higher bit : A = 1010
t b7+b5
Lower bit : 2 = 0010
t b2
The retry cause in this case is combined of “access fault”, “IVR rec error”, and “ader5”.
12
MDS-JE470
SECTION 2
GENERAL
This section is extracted from
instruction manual.
instruction manual.
Parts Identification
The items are arranged in alphabetical order.
Refer to the pages indicated in parentheses ( ) for details.
Refer to the pages indicated in parentheses ( ) for details.
Main unit
MENU/
NO
YES
AMS
CLEAR
PUSH ENTER
REC
INPUT
REC MODE
EJECT
STANDBY
TIMER
PHONES
PHONE LEVEL
PC LINK
ON/OFF
SKIP
TIME
PLAY MODE
REPEAT
LEVEL/
DISPLAY/CHAR
MIN
MAX
(KEYBOARD)
REC OFF PLAY
MDLP
GROUP
wh
wa
8
3
4
ws
w;
qj
9
qh
qg
qk
wf
2
ql
1
5
qf
qd
6
7
qs
0 qa
wd
wg
AMS wh
wa
8
3
4
ws
w;
qj
1
9
qh
qg
qk
ws
wf
2
ql
1
5
qf
qd
6
7
qs
A
z
`/1
H
0
X
qa
x
wd
m/M
wg
(15) (20) (25) (35) (39)
CLEAR
(23) (30) (40)
Display window
EJECT
EJECT
(11) (20) (25)
GROUP ON/OFF
1)
(13)
(22)
(31)
GROUP SKIP
1)
(13) (22) (31)
INPUT
(11)
LEVEL/DISPLAY/CHAR
(11) (21) (29)
MD insertion slot
MDLP indicator
MDLP indicator
(14) (21)
MENU/NO
(15) (22) (25) (35)
(39)
PC LINK (KEYBOARD)
1)
(39)
PHONE LEVEL
1)
(21)
PHONES jack
1)
(17) (21) (36)
PLAY MODE
(20) (37)
REC MODE
(14) (22)
REC
(11)
Remote sensor
2)
REPEAT
(20)
STANDBY indicator
(11) (20)
TIME
1)
(17) (21)
TIMER
1)
(37)
YES
(15) (23) (25) (35) (39)
(11) (20) (25)
(11) (20) (37) (40)
(11) (20) (39) (40)
(11) (20) (25) (37) (40)
(20) (26) (40)
1)
MDS-JE770 only.
2)
MDS-JE770 only. For MDS-
JE470, the remote sensor is
located on the display
window.
JE470, the remote sensor is
located on the display
window.
BUTTON DESCRIPTIONS
13
MDS-JE470
SECTION 3
DISASSEMBLY
3-1. DISASSEMBLY FLOW
• This set can be disassembled in the order shown below.
SET
3-2 UPPER CASE (408226)
3-3 FRONT PANEL
SECTION
SECTION
3-4 MAIN BOARD
3-5 PT BOARD
VOL-SEL BOARD (SP model)
VOL-SEL BOARD (SP model)
3-6 MECHANISM DECK
SECTION (MDM-7A)
SECTION (MDM-7A)
3-7 OVER LIGHT HEAD
(HR901)
(HR901)
3-11 OPTICAL PICK-UP
(KMS-260B/260E)
(KMS-260B/260E)
3-7 BD BOARD
3-8 HOLDER ASSY
3-9 LOADING MOTOR
ASSY (M103)
ASSY (M103)
3-10 SLED MOTOR
ASSY (M102)
ASSY (M102)
3-12 SPINDLE MOTOR
ASSY (M101)
ASSY (M101)
3-7 BD BOARD
3-8 HOLDER ASSY
• Abbreviation
SP : Singapore
SP : Singapore
Note 1: The processes enclosed with , remove in the any order.
Note 2: You cannot go to the next process until every process enclosed with has done.
Note 2: You cannot go to the next process until every process enclosed with has done.
14
MDS-JE470
3-2. UPPER CASE (408226)
1
Two screws
(CASE 3TP2)
1
Two screws
(CASE 3TP2)
1
Screw
(CASE 3TP2)
2
Case (408226)
3-3. FRONT PANEL SECTION
4
Two screws
(+BVTP3x8)
4
Two screws
(+BVTP3x8)
6
Front panel
5
Claw
5
Claw
1
Wire (flat type) (17core) (CN3)
2
Connector (CN390)
3
Connector (CN830)
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