Sony MDS-SP55 Service Manual ▷ View online
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CHAK-IN
HOME
PACK-OUT
LDIN
LDOUT
LD-LOW
LDON
REFLECT
PROTECT
PB-P
REC/PB
3.3V
LIMITIN
GND
MOD
XLAT
WRPWR
LODINGSEL
L3MODE
MODEL
DIST
SCTX
XINT
REC-P
DQSY
NC
DIGRST
SENS
MNT3
MNT2
MNT1
MNT0
SENSORSW
DISK5
LED PLAY
LED PAUSE
SCL
SDA
LED SYNC
LED REC
HEADSWDWN
DEADSWUP
KEY3
KEY2
KEY1
AVSS
KEY0
VREF
3.3V
WMCLK
I
I
I
O
O
O
O
I
I
I
O
—
I
—
O
O
O
I
I
I
I
O
I
I
I
O
O
I
I
I
I
I
O
I
O
O
O
I/O
O
O
I
I
I
I
I
—
I
—
—
I
Detection signal from chucking-in switch
Detection signal from HOME switch (Fixed at “L”)
Detection signal from loading out (Loading out position: “L”, others: “H”) switch
Loading motor in control
Loading motor out control
Loading motor voltage control output (Low voltage: “H”)
Laser power ON/OFF control output (“H”: Laser ON)
Disc reflection rate detection (Disc with low reflection rate “H”)
Disc hole detection (Protect: “H”)
Detection signal from playback position detection switch
Not used
Power supply 3.3V
Detection signal from limit switch (Sled limit in: “L”)
Ground pin
High frequency superimposing ON/OFF output
Latch signal output to serial pulse
BD write power ON/OFF output
LOADING SELECT input (Fixed at “L”)
AD/DA converter (IC201) signal output
Model selection (Fixed at “H”)
Destination selection (Fixed at “H”)
Timing for sending write data to CXD2654
CXD2654 interrupt status input
Detection signal from recording position detection switch
Digital in sync input
Not used
CXD2654, motor driver reset signal
Internal status
Spindle servo lock status monitor
Command execution status monitor
Track jump signal
Focus OK signal
MAIN SENSOR waveform switching output (Not used)
DISC5 IN SW (Not used)
LED drive signal output (PLAY)
LED drive signal output (PAUSE)
Clock signal to backup memory
Data signal to backup memory
LED drive signal output (SYNC)
LED drive signal output (REC)
Recording head down detection signal
Recording head up detection signal
Key 3 (A/D) (Fixed at “L”)
Key 2 (A/D) (Fixed at “L”)
Key1 (A/D)
Ground pin
Key 0 (A/D)
A/D reference voltage 3.3V
Power supply 3.3V
MD WM LINK data input (Fixed at “L”)
Pin No.
Pin Name
I/O
Function
50
7-1. CASE AND FRONT PANEL SECTION
SECTION 7
EXPLODED VIEWS
The components identified by
mark 0 or dotted line with mark
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
Replace only with part number
specified.
• Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
delay should be anticipated when ordering
these items.
• The mechanical parts with no reference num-
ber in the exploded views are not supplied.
• Hardware (# mark) list is given in the last of
the electrical parts list.
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color Cabinet's Color
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
1-590-218-11 WIRE (FLAT TYPE) (11 CORE)
2
4-951-620-01 SCREW (2.6X8), +BVTP
3
1-678-675-11 PANEL BOARD
4
4-229-703-01 PLATE (R), SIDE
5
X-4953-027-1 FOOT ASSY
6
4-229-664-01 KNOB (AMS)
7
4-229-655-01 PANEL (MD), FRONT
8
4-229-652-11 INDICATOR (PLAY)
9
4-229-651-01 INDICATOR (REC)
10
4-229-704-01 PLATE (L), SIDE
11
X-4953-026-1 PANEL ASSY, SUB
12
4-229-661-01 HOLDER (MD)
13
4-212-589-01 SCREW (+BVTPWH M3), STEP
14
1-783-140-11 WIRE (FLAT TYPE) (23 CORE)
15
1-783-139-11 WIRE (FLAT TYPE) (21 CORE)
16
A-4725-290-A MAIN BOARD, COMPLETE
17
1-569-972-21 SOCKET, SHORT 2P
18
3-363-099-51 SCREW (CASE 3 TP2)
19
4-229-701-31 CASE
20
4-229-665-01 PANEL, BACK (AEP,UK,AED)
20
4-229-665-21 PANEL, BACK (MY,SP,HK)
20
4-229-665-31 PANEL, BACK (KR)
21
4-965-822-01 FOOT
• Abbreviation
AED : North European model
MY : Malaysia model
SP
MY : Malaysia model
SP
: Singapore model
HK : Hong kong model
KR : Korea model
KR : Korea model
1
2
2
3
4
5
6
7
8
9
10
11
12
13
13
14
15
16
17
18
18
19
20
21
not supplied
not supplied
MDM-5A
#2
#2
#1
#1
#3
A
A
51
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
7-2. MECHANISM DECK SECTION (MDM-5A)
* 301
1-671-115-21 SW BOARD
* 302
4-996-217-01 CHASSIS
303
4-996-223-11 INSULATOR (F)
* 304
4-996-218-01 BRACKET (GUIDE R)
305
4-996-277-01 SPRING (O/C), TENSION
306
4-996-226-01 LEVER (O/C)
307
4-999-347-01 INSULATOR (R)
* 308
4-996-225-01 BRACKET (GUIDE L)
309
4-988-466-11 SPRING (ELECTROSTATIC), LEAF
310
4-996-219-01 GEAR (CAM GEAR)
311
4-996-220-01 GEAR (A)
312
4-996-221-01 GEAR (B)
313
4-933-134-01 SCREW (+PTPWH M2.6X6)
314
4-996-224-01 SCREW (1.7X3), +PWH
315
4-996-227-14 LEVER (HEAD)
316
4-996-229-01 SPRING (HEAD LEVER), TORSION
319
4-996-214-01 SPRING (SLIDER), TENSION
320
4-996-216-01 SPRING (HOLER), TENSION
321
4-996-215-11 SPRING (LOCK LEVER), TENSION
322
X-4949-668-3 SLIDER ASSY
323
X-4949-667-4 HOLDER ASSY
* 324
4-996-211-11 SLIDER (CAM)
325
4-998-763-14 SPRING (SHUTTER), LEAF
326
A-4680-200-G HOLDER COMPLETE ASSY
M903
X-4949-264-1 MOTOR ASSY, LOADING
#8
M903
#8
#8
not supplied
#4
MBU-5A
301
302
303
103
304
305
306
107
307
308
309
310
311
312
313
313
314
315
316
319
320
321
322
323
325
326
324
52
7-3. BASE UNIT SECTION (MBU-5A)
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
351
A-469-989-3A BD BOARD, COMPLETE
352
3-372-761-01 SCREW (M1.7), TAPPING
* 353
4-996-267-01 BASE (BU-D)
* 354
4-996-255-01 BASE (BU-C)
355
4-900-590-01 SCREW, PRECISION SMALL
356
4-996-258-01 SPRING, COMPRESSION
357
4-996-262-01 GEAR (SL-C)
* 358
1-667-954-11 FLEXIBLE BOARD
* 359
4-210-664-11 BASE (BU-A)
0 360
A-4672-541-A OPTICAL PICK-UP KMS-260B/S1NP
* 361
4-996-252-01 CHASSIS, BU
* 362
4-996-254-01 BASE (BU-B)
363
4-967-688-11 MAGNET, ABSORPTION
363
4-967-688-21 MAGNET, ABSORPTION
364
4-996-260-01 GEAR (SL-A)
365
4-996-261-01 GEAR (SL-B)
366
4-211-036-01 SCREW (1.7X2.5), +PWH
367
4-996-265-01 SHAFT, MAIN
368
4-996-256-11 SL (BASE)
369
4-996-257-01 RACK (SL)
370
4-996-263-01 SPRING (CLV), TORSION
371
4-988-560-01 SCREW (+P 1.7X6)
372
4-996-264-01 SPRING (SHAFT), LEAF
HR901
1-500-502-11 HEAD, OVER LIGHT
M901
A-4672-475-A MOTOR ASSY, SPINDLE
M902
A-4672-474-A MOTOR ASSY, SLED
S901
1-762-148-21 SWITCH, PUSH (2 KEY) (REFLECT/PROTECT)
4-996-215-11 SPRING (LOCK LEVER), TENSION
4-996-215-11 SPRING (LOCK LEVER), TENSION
not supplied
not supplied
#7
#7
HR901
#7
#7
#7
#7
#7
#6
#6
#5
351
352
352
353
354
S102
M901
352
357
358
359
360
361
362
363
366
370
364
365
367
372
368
369
356
355
371
M902
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