DOWNLOAD Sony MDS-JE780 Service Manual ↓ Size: 2.96 MB | Pages: 68 in PDF or view online for FREE

Model
MDS-JE780
Pages
68
Size
2.96 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
mds-je780.pdf
Date

Sony MDS-JE780 Service Manual ▷ View online

10
MDS-JE780
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.
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”.
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”.
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
11
MDS-JE780
SECTION 2
GENERAL
This section is extracted from
instruction manual.
AMS wj (14) (21) (27) (39) (43)
CLEAR wh (24) (33) (43)
Display window wa
EJECT A 8 (10) (21) (26)
GROUP ON/OFF 3 (11) (23) 
(34)
GROUP SKIP 4 (12) (23) (34)
INPUT ws (10)
KEYBOARD jack qj (43)
LEVEL/DISPLAY/CHAR w; (10) 
(16) (21) (32)
MD insertion slot 6 (10) (20)
MDLP indicator 7 (14) (21)
MENU/NO qs (14) (21) (26) (39) 
(43)
NET MD 5 (9)
PHONE LEVEL qh (21)
PHONES jack qg (17) (21) (40)
PLAY MODE qk (20) (42)
REC MODE wf (13)
REC z wg (10) (14) (17)
Remote sensor 2 (8)
REPEAT ql (20)
STANDBY indicator 1 (10) (20)
TIMER
 
qf (42)
YES qd (14) (25) (27) (39) (43)
 
?/1 1 (10) (20) (26)
H 9 (10) (20) (42) (44)
X 0 (10) (21) (44)
x qa (10) (21) (26) (42) (44)
m/M wd (21) (28) (44)
Main unit
ALPHBAETICAL ORDER
A - M
N - Y
BUTTON DESCRIPTIONS
MENU/
NO
YES
AMS
CLEAR
PUSH ENTER
REC
INPUT
REC MODE
EJECT
STANDBY
TIMER
PHONES
PHONE LEVEL
KEYBOARD
ON/OFF
SKIP
NET MD
PLAY MODE
REPEAT
LEVEL/
DISPLAY/CHAR
MIN
MAX
REC OFF PLAY
MDLP
l
L
m
M
H
X
x
z
A
?/1
GROUP
1
3
4
5
6
7
8
9
0
qa qs
qd
qf
qg
qh
qj qk ql
w;
ws
wa
wd wf wg
wj
wh
2
12
MDS-JE780
SECTION 3
DISASSEMBLY
3-1. DISASSEMBLY FLOW
 This set can be disassembled in the order shown below.
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.
SET
3-2 UPPER CASE
3-3 FRONT PANEL
       SECTION
3-4 USB BOARD,
      MAIN BOARD
3-5 PT BOARD, 
      VOL SEL BOARD
      (SP model only)
3-6 MECHANISM DECK
      SECTION (MDM-7S1A)
3-7 OVER LIGHT HEAD
      (HR901)
3-11 OPTICAL PICK-UP
        (KMS-260B/260E)
3-7 BD BOARD
3-8 HOLDER ASSY
3-9 LOADING MOTOR 
      ASSY (M103)
3-10 SLED MOTOR 
        ASSY (M102)
3-12 SPINDLE MOTOR
        ASSY (M101)
3-7 BD BOARD
3-8 HOLDER ASSY
• Abbreviation
SP
: Singapore model
13
MDS-JE780
3-2. UPPER CASE
1
 Two screws
     (CASE 3TP2)
1
 Two screws
     (CASE 3TP2)
1
 Screw
     (CASE 3TP2)
2
 Upper case 
3-3. FRONT PANEL SECTION
7
 Two screws
     (+BVTP3x8)
7
 Two screws
     (+BVTP3x8)
qa
Front panel
8
 Claw
8
 Claw
5
 Lead with connector 
4
 Lead with connector 
3
 Connector (CN830)
2
 Connector (CN390)
1
 Wire (flat type) (CN3)
9
9
0
6
 Lead with connector 
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