DOWNLOAD Sharp 21KF-80 (serv.man13) Service Manual ↓ Size: 5 MB | Pages: 44 in PDF or view online for FREE

Model
21KF-80 (serv.man13)
Pages
44
Size
5 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / CTR
File
21kf-80-sm13.pdf
Date

Sharp 21KF-80 (serv.man13) Service Manual ▷ View online

13
21KF-80H
3.3.1. Initial value: 255. Range: 0 to 255. Service Mode indication: HTL-PRG.
3.3.2. To activate this Hotel Mode it is necessary activate previously Hotel Mode “HTL”.
3.3.3. Select “HTL-PRG” by using channel up/down buttons.
3.3.4. The initial value to 255, ensures that the TV Set starts up in the same program number that it was been
         displayed before turn it off.
3.3.5 If you want to fix other program number proceed as follows set the value according to your necessities by
        using  volume up / down buttons. Use values between 0 to 99. In this way, the new program number appear
         fixed when you start up the TV set.
Example: If you would like to set starting program number “2”, change from 255 to 2.
     3.3.6. Get out from Service Mode (To exit the Service Mode press the stand-by button on the remote control or turn
       the receiver off with the mains switch).
LED FLASHING CODE
PURPOSE: The led indicates the power mode, occurred I
2
C error and On timer
INPUT:
Current power mode
- I
2
C Errors
- On timer
Processing: - If in STANDBY mode and On timer inactive then switch LED off.
- If in STANDBY and On timer active set LED to blinking, (switch on and off at 1 Hz with a
  50% duty cycle).
- If in POWER-ON mode, switch LED on.
- If an I
2
C error occurred, let the LED blink at 1 Hz, 50 % duty cycle.
  For the blinking times see the Table below.
Note: Only when an I
2
C error occurs for a number of times, or for a number of seconds, the I
2
C error is
handled by the system (that is ,only then the set will go to standby, the led starts blinking).
Table Error LED blinking times
IC/Module Name
Slave Address
Bus Error LED Remarks
Ref. No.
Blinking Time
M24C04, M24C08
A0,A2
2
512x8 EEPROM,1024x8 EEPROM
IC1002
TDA935x/6x/8x
8A
3
Address of internal TV processor
IC801
VTST6HD64 or
C0
6
PLL Tuner
TU201
CTF551
C0
6
   MSP34x5G
               80
             5               Multistandard Sound Processor              IC3001
14
21KF-80H
CHASSIS LAYOUTS
PWB A -  Mother unit, F7340
PWB B - CRT unit, F7341
15
21KF-80H
PRINTED WIRING BOARDS
F 7341N0 CRT Unit PWB. Components side.
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16
21KF-80H
F 7340N9 Mother Unit PWB. Component side
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