55
to check SW printouts via Teraterm. These printouts may give a clue about the problem. You
can use Scart-1 for terraterm connection.
I. No Signal Problem
Problem:
No signal in TV mode.
Check tuner supply voltage; 5V_TUN. Check tuner options are correctly set in Service menu.
Check AGC voltage at RF_AGC pin of tuner.
20.
Service Menu Settings
In order to reach service menu,
f
irst
p
ress
“MENU”
but
t
on, then write “
4725”
by u
si
ng
remote controller.
You can see the service menu main screen below. You can check SW releases by using this
menu. In addition, you can make changes on video, audio etc. by using video settings, audio
settings titles.
SERVICE MENU SETTINGS
56
Service Menu Main Screen
73
LC-40LS340
Summary of Contents for LC-40LS340E
Page 27: ...11 c Absolute Ratings d Recommended Operating Conditions e Pin Functions 27 LC 40LS340 ...
Page 37: ...21 c BCM3556 Block Diagram 37 LC 40LS340 ...
Page 46: ...LC 32LE340 343 LC 40LE340 343 30 b Pinning 46 LC 40LS340 ...
Page 52: ...LC 32LE340 343 LC 40LE340 343 35 c Pinning 52 LC 40LS340 ...
Page 57: ...39 15 LOW POWER CEC MICROCONTROLLER NEC uPD78F0503 Pinning 57 LC 40LS340 ...
Page 59: ...b Block Diagram 59 LC 40LS340 ...
Page 60: ...LC 32LE340 343 LC 40LE340 343 Figure 8 Pin Diagram 60 LC 40LS340 ...
Page 74: ...LC 32LE340 343 LC 40LE340 343 57 Video Settings Audio Settings 74 LC 40LS340 ...
Page 75: ...58 Options 1 Menu Options 2 Menu 75 LC 40LS340 ...
Page 76: ...LC 32LE340 343 LC 40LE340 343 59 Tuner Settings Menu Source Settings Menu 76 LC 40LS340 ...
Page 77: ...60 Diagnostic Menu 21 General Block Diagram 77 LC 40LS340 ...
Page 78: ...LC 32LE340 343 LC 40LE340 343 NOTES 78 LC 40LS340 ...
Page 100: ...LC 32LE340 343 LC 40LE340 343 NOTES 100 LC 40LS340 ...
Page 121: ...NOTES 121 LC 40LS340 ...