DOWNLOAD Panasonic SA-PT250EE Service Manual ↓ Size: 5.57 MB | Pages: 126 in PDF or view online for FREE

Model
SA-PT250EE
Pages
126
Size
5.57 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / DVD HOME THEATER SOUND SYSTEM
File
sa-pt250ee.pdf
Date

Panasonic SA-PT250EE Service Manual ▷ View online

TV  Broadcasting
Signal System 
Region Display
Code
System
(Default)
(Default)
English, Spanish, Canadian 
French
(S)
Japan
2
NTSC
NTSC (*A)
2PN
Japanese, English
English, French, German, 
Spanish, Polish, Russian, 
Czech, Hungarian
English, French, German, 
Italian, Spanish, Polish, 
Swedish, Dutch
English, French, German, 
Spanish, Polish, Russian, 
Czech, Hungarian
GCS, GD, 
South East Asia,
PAL
English, Traditional Chinese
GT, GCT
Korea, Taiwan
NTSC
New Zealand, 
English, French, German, 
Australia
Italian, Spanish, Polish, 
Swedish, Dutch
Central/South/
NTSC (*D)
4PN
English, Spanish, French, 
Latin America
Brazilian Portuguese
English, French, German, 
Spanish, Polish, Russian, 
Czech, Hungarian
GK
China
6
PAL
NTSC (*B)
6PN
English, Simplified Chinese
5P6
PAL (*C)
SECAM
5
NTSC
4
4
GN
EE
CIS
PL, GCP, LB
3PN
4P6
PAL (*C)
PAL
2P6
PAL (*C)
PAL
2
2P6
PAL (*C)
PAL
2
1PN
NTSC
1
E
Europe
2
PAL
PAL (*C)
2P6
P, PC, PX
USA, Canada, PX
NTSC (*A)
Europe
GC, GS
EB, EG
Middle East
3
NTSC (*B)
Product
OSD Menu Language
Model Series
Country Region
Region
Explanation of Display
Individual Model Code
can play PAL disc
Region code
N: If NTSC disc is played, NTSC output.
6: If NTSC disc is played, PAL60 output.
NTSC (*A)
NTSC (*B)
Source
Output
Source
Output
Screen Saver
NTSC
Screen Saver
NTSC
NTSC disc
NTSC
NTSC disc
NTSC (default)
PAL disc
PAL (DVD-V)
PAL60
NTSC (DVD-A/VCD)
PAL disc
PAL60
PAL (*C)
NTSC (*D)
Source
Output
Source
Output
Screen Saver
PAL
Screen Saver
NTSC
NTSC disc
PAL60 (default)
NTSC disc
NTSC
NTSC
PAL disc
NTSC
PAL disc
PAL
25
SA-PT250EE
8.2.4. Service Mode Table 4
FL Display
Key Operation
Front Key
Item
Description
Mode Name
DVD
Module P.C.B.
Reset
To reset DVD Module P.C.B.
This process is used when the DVD
Module P.C.B. or FLASH ROM
IC is replaced with a new one.
Cancelled automatically 
5 seconds later.
While in initialization 
mode, press & hold 
[STOP] button on the main 
unit, follow by [ENTER] 
button on the remote 
control unit.
ECC Error
Check
Cancelled automatically 
5 seconds later.
Cancelled automatically 
5 seconds later.
Displays frequency of communication 
errors between system control IC and 
mechanism control IC in the DVD
Module P.C.B.
Communication
error display
CPPM/CRM
Keys Check
In STOP (no disc) 
mode, press [STOP] 
button on the main unit, 
and [MENU] button on the 
remote control unit.
In STOP (no disc) 
mode, press [STOP] 
button on the main unit, 
and [TOP MENU] button 
on the remote control unit.
In STOP (no disc) 
mode, press [STOP] 
button on the main unit, 
and [EQ] button on the 
remote control unit.
No. of 
communication
error
No. of 
communication
ECC Lead 
Error
(Display 1)
(Display 2)
Press [POWER] button to  
exit.
Press [FL Display] on 
remote control unit for next
page (FL Display).
Video
Decode
Error
0: NG
1: OK
0: NG
1: OK
Audio Lead 
Error
DVD
Module P.C.B. 
firmware
version display
Cancelled automatically 
5 seconds later.
In STOP (no disc) 
mode, press [STOP] 
button on the main unit, 
and [8] button on the 
remote control unit.
System controller 
generation
Destination
System 
controller 
version
Region No.: 0-8
DVD Module P.C.B. firmware version 
is displayed on the FL Display.
The firmware version can be updated
using recovery disc.
ECC refers to Error Correction Code. It
describes the error correction code 
that was carried out for the decoding 
of audio & video.
     
FL Display sequence:
Display 1    2.
Note: It is necessary to check for 
firmware version before carrying out 
the version up using the disc.
CPPM/CRM refers to the Content 
Protection for Recordable Media and 
Pre-Recorded Media. It displays the 
existence of the keys as "1" or "0".
OK: Existing of keys.
NG: Non existing of keys.
26
SA-PT250EE
8.2.5. Service Mode Table 5
Timer 1 check
Cancelled automatically
5 seconds later.
DVD laser usage time
(Display 1)
(Display 2)
CD laser usage time
Cancelled automatically 
5 seconds later
Cancelled automatically 
5 seconds later.
Cancelled automatically 
5 seconds later.
Timer 1 reset
Timer 2 check
Timer 2 reset
In STOP (no disc) 
mode, press [STOP] 
button on the main unit, 
and [     ] button on the 
remote control unit.
While displaying Timer 1 
data, press [STOP] button 
on the main unit, and [     ] 
button on the remote 
control unit.
In STOP (no disc) 
mode, press [STOP] 
button on the main unit, 
and [     ] button on the 
remote control unit.
While displaying Timer 2 
data, press [STOP] button 
on the main unit, and [     ] 
button on the remote 
control unit.
Timer 1 check
Laser operation timer is measured 
separately for DVD laser and CD laser.
FL Display sequence:
Display 1    2.
Press [FL Display] button for
next page of FL Display.
Timer 1 reset
Laser operation timer of both DVD 
laser and CD laser is reset all at once.
Timer 2 check
Spindle motor operation timer
Timer 2 reset
Spindle motor operation timer
Time is shown in 5 digits of decimal notation in 
a unit of 1 hour.
"00000" will follow "99999".
Shown to the above is DVD laser usage 
time, and to the below is CD laser usage 
time.
Time is shown in 5 digits of decimal notation 
in a unit of 10 hours.
"00000" will follow "99999". (DVD laser)
Time is shown in 6 digits of decimal notation 
in a unit of 10 hours.
"000000" will follow "999999". (CD laser)
Time is shown in 5 digits of decimal notation 
in a unit of 10 hours.
It will clear to "00000" upon reset.
Time is shown in 5 digits of decimal notation in 
a unit of 1 hour.
It will be cleared to "00000" upon activating 
this.
FL Display
Key Operation
Front Key
Item
Description
Mode Name
27
SA-PT250EE
8.2.6. Optical Pick-up Self-Diagnosis
The optical pickup self-diagnosis function and tilt adjustment check function have been included in this unit. When repairing, use
the following procedure for effective self-diagnosis and tilt adjustment. Be sure to use the self-diagnosis function before replacing
the optical pickup when "NO DISC" is displayed. As a guideline, you should replace the optical pickup when the value of the laser
drive current is more than 55.
Note:
Press the power button to turn on the power, and check the value within three minutes before the unit warms up. (Otherwise,
the result will be incorrect.)
"NO DISC" is displayed, unit 
does not play smoothly, etc.
Check the laser drive current.
Replace the optical pickup.  
(Refer to the section "OPTICAL 
PICKUP REPLACEMENT 
PROCEDURE" in this Guide.)
Do the optical pickup tilt 
adjustment.  (Refer to the section 
"TILT ADJUSTMENT" in this 
Guide.)
Initialize the main unit.
Check the laser drive current 
after replacement.
  Write the present value into the 
unit if it is 23 (DVD), 34 (CD) or 
less.
Value is 23 (DVD), 
34 (CD) or less.
Value is more than 
23 (DVD), 34 (CD).
Use the tilt adjustment 
check function.
Note: Press "FL DISPLAY" button on remote 
Note:
 Press "FL DISPLAY" button on remote 
control unit for next page display.
control
 unit for next page display.
Replace with a new optical pickup if the present 
value is more than 23 (DVD), 34 (CD).
Cause: Damage due to static electricity 
during replacement.
Method: With no disc in the main unit:
· Press the "FUNCTIONS" button on the remote 
control unit while pressing the "STOP" 
button on the main unit. (DVD)
· Press the "3" button on the remote 
control unit while pressing the "STOP" 
button on the main unit. (CD)
Use the optical pickup self-diagnosis function.
Method: With no disc in the main unit:
· Press the "FUNCTIONS" button on the remote 
control unit while pressing the "STOP" 
button on the main unit. (DVD)
· Press the "3" button on the remote 
control unit while pressing the "STOP" 
button on the main unit. (CD)
Display content (display1/display2)
LDD
(DVD)
LDC
(CD)
Factory setting
Present value
Factory setting
Present value
/
/
Writing method:
· Press the "PAUSE" button on the remote 
control unit while pressing the "STOP" 
button on the main unit.
28
SA-PT250EE
Page of 126
Display

Click on the first or last page to see other SA-PT250EE service manuals if exist.