21GT-22
Checking the protector circuit.
Blown out.
Replace the fuse.
Check IC701, D701 and C705.
D1001 (Power LED Red brightly) turns on.D1001 (Power LED Red dimly) turns on or turns ON/OFF.
The fuse is again blown out.
Check IC801.
15-2
Check F701.
NO RASTERCheck C878.Does horizontal circuit oscillate ?Check CRT connector K1-K5 bias.Check Q752 and IC801.Check Secondary Main+B (Approx. 130V)
Check T701 pin (11) voltage (Approx. 310V at 220V AC)
TROUBLE SHOOTING TABLE
Check D751
Check R701, R707
Check R619 and R618.
channel for hotel mode.
#1Ch 1 is your selected
15-1TION
Set vol up/down by R/C key.
Input 1, 3, 7 and 9 by R/C key.
TEL MODE APPLICAPreset mode Fine tuning Skip mode System selection
HOTEL ON PASSWORD ****
press the (one/two digit) key and keep pressing it for five second, then you can see the hotel mode with four digits password.mode will be enable, you can switch on/off the hotel mode by using R/C (volume up/ down) key.
b)Key in the four digits password starting with number "1", "3", "7", "9", then the hotel
Before set the hotel mode, it is better to choose ch 1 & set s-vol level Up to 75% full scale. After set hotel mode, starting channel will be always ch 1 & maximum sound level out will be set the half of full scale.When using hotel mode, user can control "contrast", "brightness", "sharpness" and "tint" function. But after power off, it will return to the initial setting. You can't use:--The others function is allowed to be used.
power off (same as normal operation)
GA1 HOHow to enable/disable the "Hotel Mode" ? Ans:a)Press the R/C (FUNCTION) key until language selection appear, within five second*We recommend*If you set hotel mode in AV, starting channel will be the last ch which you received beforeCONDITION:
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ACEC
