Sharp Lc 32le340m Maintenance Manual

LC-32LE240M/340M(1stEdition)
4 – 8
[3] PUBLIC MODE SETTING PROCEDURE
1. How to start Public Mode
• There are the following two ways to get the public mode setup screen displayed.
1) Press the “INPUT” and “VOL (+)” keys on the set at once and turn on the power.
2) Get the password input screen displayed.
3) The 3-digit password is now verified.
The password [0] [2] [7] provides for the public mode screen. (This screen comes on with whatever adjustment process settings.)
With any other passwords, the...

LC-32LE240M/340M(1stEdition)
4 – 9 4. Public Mode Menu
The guidance is not displayed onscreen.
Setup procedure
• To move the cursor up and down, use the “cursor UP/DOWN” key (remote controller) and “CH ( )/( )” key (remote controller and set).
• To change the settings, use the “cursor RIGHT/LEFT” key (remote controller) and “VOL (+)/(–)” key (remote controller and set).
• To save new settings, keep the cursor at “Execute” and use the “cursor RIGHT/LEFT” key (remote controller) and “VOL (+)/(–)” key...

LC-32LE240M/340M(1stEdition)
4 – 10
3. VOLUME FIXED
4. VOLUME FIXED LEVEL
5. R/C BUTTON
6. PANEL BUTTON
7. MENU BUTTONSelection Selection between “Variable” and “Fixed” (loop provided)
Default Variable
Explanation Sound volume is fixed and made invariable.
Limit in setting • The sound volume for the ON-timer (Wake up timer) is fixed also without display of menu. Besides, the setting is made 
impossible. (Basically, the menu is not displayed.)
• The following keys become invalid:
1) Sound volume Up/Down...

LC-32LE240M/340M(1stEdition)
4 – 11
8. ON SCREEN DISPLAY
9. BLUE SCREEN
10.INPUT MODE START
11. INPUT MODE FIXED
12.232C POWONSelection Selection between “Yes”, “No” (loop provide)
Default Yes
Explanation The following OSD displays are made ineffective.
Displays of menu group, channel call, sound volume bar and direct key call
Limit in setting • Set time of the OFF-timer (SLEEP TIMER) is cleared.
• Setting of the no-signal power-OFF (AUTO POWER OFF) is cleared to “OFF”.
• Setting of the no-operation...

LC-32LE240M/340M(1stEdition)
4 – 12
13.RC PATH THROUGH
Selection “Off”, “On: TV RCE”, “On: TV RCD”
Default Off
Explanation Remote control signal output from the pin 9 of the RS-232C terminal and signal reception is enabled or disabled.
When set to “ON: TV RCE”, TV also receives signals. With “ON: TV RCD”, the remote control signal is output from the pin 9, 
but TV does not respond to the remote control.
Limit in setting When set to “ON: TV RCD”, TV does not accept the remote control.
Exception None
Remarks 

LC-32LE240M/340M(1stEdition)
5 – 1
LC32LE240M4FSWJDF
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CHAPTER 5. TROUBLESHOOTING TABLE
[1] TROUBLESHOOTING TABLE
No power (front LED failure to light up) or no startup (front LED failure to turn from red to green)
Are the wire harnesses and other cables properly connected in 
the set?NO Reconnect the wire harnesses and other cables properly in the 
set.
YES
Is there the AC_CTRL and PNL_POWER signal input at pins 
(126) and (127) of IC3301?NO Check the AC_CTRL signal line PNL_POWER signal line.
YES...

LC-32LE240M/340M(1stEdition)
5 – 2
 
 
With [RF] signal input                                                                 No video onscreen (1)
No video in the UHF/VHF reception
Is there IF output from the tuner pin(10) of TU1101 as specified? NO Check TU1101 and its peripheral circuits.
YES
Is there VIF input at pin 74 & 75 of IC3301? NO Check the circuit between TU1101 & IC3301.
YES
Are there the signal outputs (pin 100-107, 109,110) of IC3301? NO Check IC3301 and its peripheral circuit.
YES
Check...

LC-32LE240M/340M(1stEdition)
5 – 3
 
 With  signal input                                                  No video onscreen (3)
                                            
No external input video onscreen 
                                            
Is INPUT 3 selected on the input select menu screen? NO Select INPUT 3 on the input select menu screen to pick up the 
right input signal.
YES
Are there the Y, Pb and Pr signal inputs at pins (34), (36) and 
(38) of IC3301 respectively?NO Check the line...

LC-32LE240M/340M(1stEdition)
5 – 4
No audio heard (1)
                                            
No sound in the UHF/VHF reception.
                                            
Is the IF output from the tuner pin (10) of TU1101 as specified? NO Check TU1101 and its peripheral circuits.
YES
Is there the SIF signal input at pins (77), (78) of IC3301? NO Check IC3301 and its peripheral circuits.
YES
Is there audio signal intput at pin(6) of IC1701? NO Check connection between IC3301 and IC1701 and its...

LC-32LE240M/340M(1stEdition)
5 – 5
No audio heard (2)
                                            
No external audio heard

Is there the L-ch audio signal input from pin (7) of input terminal 
J502 to pin (47) of IC3301?
Is there the R-ch audio signal input from pin (5) of input terminal 
J502 to pin (48) of IC3301?

Is there the L-ch audio signal input from pin (13) of input terminal 
J502 to pin (49) of IC3301?
Is there the R-ch audio signal input from pin (11) of input terminal 
J502 to pin (50) of...