DOWNLOAD Sony MEX-BT2500 Service Manual ↓ Size: 4.98 MB | Pages: 48 in PDF or view online for FREE

Model
MEX-BT2500
Pages
48
Size
4.98 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
mex-bt2500.pdf
Date
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MEX-BT2500
21
3-9. CHASSIS (OP)  ASSY
7
two coil springs (damper)
(silver)
8
coil spring (damper) (green)
6
 chassis (OP) assy
5
1
tension spring (KF)
2
gear (LE1)
A
B
4
Slide the slider (R) in the
direction of arrow 
A
.
3
Slide the lever (D) in the
direction of arrow 
B
.
3-10. CHUCKING  ARM  SUB  ASSY
3
chucking arm sub assy
2
1
spring
Note: Have this portion receive the chassis.
Note: Have this portion receive the chassis.
Note: Be careful not to touch the turn table.
MEX-BT2500
22
3-11. SLED  MOTOR  ASSY
Note: Place the stand with care not to touch the turn table.
Note: Take care to prevent the chassis from being bent 
when tightening the three machine screws.
NOTE FOR ASSEMBLY
Note: Never remove these parts since they were adjusted.
3
sled motor assy
sled motor assy
1
spring
spring
stand
stand
turn table
2
three serration screws
(M2
 
×
 3)
three serration screws
(M2
 
×
 3)
chassis (OP) sub assy
(bottom view)
MEX-BT2500
23
3-12. OPTICAL  PICK-UP  SECTION
3-13. OP  SERVICE  ASSY (DAX-25A)
1
2
optical pick-up section
Note: Be careful not to touch the lens and hologram
terminal when removing the optical pick-up section.
There is space at the end of the 
leaf spring (sub guide) to avoid 
contact with the slide.
1
pan tapping screw
(M1.4
 
×
 2.5)
2
leaf spring (sub guide)
3
leaf spring (OP)
5
OP service assy
(DAX-25A)
4
lead screw assy
Prevent the end of the
leaf spring (sub guide)
from being in contact
with the OP service assy
(DAX-25A).
Prevent the end of the
leaf spring (sub guide)
from being in contact
with the OP service assy
(DAX-25A).
NOTE FOR ASSEMBLY
NG
NG
OK
– OP service assy (bottom view) –
24
MEX-BT2500
SECTION  4
TEST  MODE
Description of the Diagnostics function:
1. Setting the Diag display mode
With the power off, press the [4] 
t [5] t [4] ([4] button
needs to be pressed for two seconds) button of set sequentially,
and enter the diag function mode.
2. Canceling the Diag display mode
During the Diag function mode, press the [OFF] button.
3. Initial display in the Diag display mode.
Just when the Diag mode is entered, “reset count” is displayed.
The display mode is switched by each rotation of
[SEEK ---] 
or 
[SEEK+] keys.
4. Contents of each display mode
4-1. Reset count display mode
4-2. Reset count by watchdog timer display mode
4-3. Number of connected units display mode
The display mode is switched by each rotation of [2/ALBM +]  or
[1/ALBM --] keys during the number of connected units display mode.
4-4. Operating hours display mode
Reset count display
OFFSET/FAILURE error display
CD error information display
Operating hours display
Number of connected units display
Reset count by watchdog timer display
0 1         X X
0 2         X X
0 3 1     X X X
0 4     X X X X
0 5 1       X X
0 6 1 X X X X X
Reset count 
(in hexadecimal format)
Diag code
01: Reset count
0 1         X X
Reset count 
(in hexadecimal format)
Diag code 
02: Number of resets by watchdog timer
0 2         X X
Show the number of connected units for 
CD-C, MD-C and XM respectively from 
the rightmost (in hexadecimal format).
Recency of information
1-3: 1 represents the latest.
Diag code
03: Number of connected unit.
0 3 1     X X X
No. of connected units history 1 (latest) display
No. of connected units history 3 display
No. of connected units history 2 display
0 3 1     X X X
0 3 2     X X X
0 3 3     X X X
Operating hours 
(in hexadecimal format)
Diag code
04: Operating hours
0 4     X X X X
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