Hitachi GX Series 27GX01B - Manual (Page 25)

Useful Information
- 25 -
T ROUBLESHOOTING C HART
Before you call for service, determine the symptoms and make a few simple checks shown below.
Specifications
Power Source: 120V CA, 60Hz,
Channel Capability: 181 channels (See chart)
VHF 2~13, UHF 14~69,
Cable 125 channels
Video Input Jacks: 1V p-p, 75 ohm, phono jack type
Audio Input Jacks: 500mV rms 47K ohm
To Audio AMP Jacks: 0~2.0V rms 4.7K ohm
Stereo Sound
Closed Caption Display
Specifications are subject to change without notice or obligation.
Symptoms
Check
Picture Sound
SNOWY PICTURE NOISY SOUND
- ANTENNA LOCATION AND/OR CONNECTION
MULTIPLE IMAGE NOISY SOUND
- ANTENNA DIRECTION AND/OR LOCATION
- ANTENNA LEAD-IN WIRE
INTERFERENCE NOISY SOUND
- ELECTRICAL APPLIANCES, LIGHTS, CARS, AND TRUCKS
- DIATHERMY AND OTHER MEDICAL EQUIPMENT
NORMAL PICTURE NO SOUND
- VOLUME CONTROL SETTING
- MUTE CONTROL (IF APPLICABLE)
- TRY ANOTHER CHANNEL
- TV SPEAKERS OFF
NO VIDEO NOISY SOUND
- TV OR CABLE TUNING MODE SET TO PROPER SETTING
- ANTENNA INPUT CORRECT (IF APPLICABLE)
NO PICTURE NO SOUND
- CHECK THAT AC POWER CORD IS PLUGGED INTO AC
OUTLET
- BRIGHTNESS AND AUDIO CONTROLS SET PROPERLY
- TRY ANOTHER CHANNEL
NO COLOR NORMAL SOUND
- COLOR CONTROL SETTINGS
- TRY ANOTHER CHANNEL
BLACK PICTURE NO SOUND
- RECEIVER IN VIDEO MODE WITH NO SIGNAL
?
VIDEO
Channel Capability Chart
BAND CHANNELS
VHF
UHF
CABLE (Mid - Band)
CABLE (Super Band)
CABLE (Hyper Band)
CABLE (Ultra Band)
12
56
15
14
28
56
TOTAL CHANNELS 181
0335E2new.fm Page 25 Tuesday, April 25, 2000 4:10 PM