Toshiba 15V31D Manuale di servizio - Pagina 12

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Toshiba 15V31D Manuale di servizio
This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily.
To enter the Service Mode, press both set key and remote control key for more than 2 seconds.
Remocon Key
Set Key
VOL. (-) MIN
0
VOL. (-) MIN
1
VOL. (-) MIN
6
VOL. (-) MIN
8
VOL. (-) MIN
9
POWER ON total hours can be checked on the screen. Total hours are displayed in 16 system of notation.
NOTE: If you set a factory initialization, the total hours is reset to "0".
1.
Set the VOLUME to minimum.
2.
Press both VOL. DOWN button on the set and Channel
button (6) on the remote control for more than 2 seconds.
3.
After the confirmation of using hours, turn off the power.
WHEN REPLACING EEPROM (MEMORY) IC
If a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be taken to
ensure correct data settings while making reference to TABLE 1.
NOTE: No need setting for after INI 16 due to the adjustment value.
INI
+0
00
---
10
10
Enter DATA SET mode by setting VOLUME to minimum.
1.
2.
Press both VOL. DOWN button on the set and Channel button (6) on the remote control for more than 2 seconds.
ADDRESS and DATA should appear as FIG 1.
ADDRESS is now selected and should "blink". Using the VOL. +/- button on the remote, step through the ADDRESS until
3.
required ADDRESS to be changed is reached.
4.
Press OK to select DATA. When DATA is selected, it will "blink".
5.
Again, step through the DATA using VOL. +/- button until required DATA value has been selected.
6.
Pressing OK will take you back to ADDRESS for further selection if necessary.
7.
Repeat steps 3 to 6 until all data has been checked.
8.
When satisfied correct DATA has been entered, turn POWER off (return to STANDBY MODE) to finish DATA input.
After the data input, set to the initializing of shipping.
9.
Turn POWER on.
10.
Press both VOL. DOWN button on the set and Channel button (1) on the remote control for more than 2 seconds.
After the finishing of the initializing of shipping, the unit will turn off automatically.
11.
The unit will now have the correct DATA for the new MEMORY IC.
All manuals and user guides at all-guidesbox.com

SERVICE MODE LIST

Reset the user setting items (PICTURE, VOLUME and LANGUAGE) to the initial state
for delivery.
Initialization of the factory.
NOTE: Do not use this for the normal servicing.
If you set a factory initialization, the memories are reset such as the
channel setting, and the POWER ON total hours.
POWER ON total hours is displayed on the screen.
Refer to the "CONFIRMATION OF HOURS USED".
Can be checked of the INITIAL DATA of MEMORY IC.
Refer to the "WHEN REPLACING EEPROM (MEMORY) IC".
Writing of EEPROM initial data.
NOTE: Do not use this for the normal servicing.
Display of the Adjustment MENU on the screen.
Refer to the "ELECTRICAL ADJUSTMENT" (On-Screen Display Adjustment).

CONFIRMATION OF HOURS USED

+1
+2
+3
+4
+5
00
00
00
00
61
BC
00
80
80
80
Operations
ADDRESS DATA
INIT
01
00
CRT ON 0010
FIG. 1
+6
+7
+8
+9
+A
+B
80
60
68
40
27
00
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Table 1
C-1
Initial setting content of MEMORY IC.
POWER ON total hours.
= (16 x 16 x 16 x thousands digit value)
+ (16 x 16 x hundreds digit value)
+ (16 x tens digit value)
+ (ones digit value)
+C
+D
+E
+F
07
03
00
06
73
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