2-20
DIGITAL DISPLAY & MEDIA TRAINING MASTER
Does the unit respond to
buttons on the front of the unit?
NO
YES
If the buttons on the front of the unit do not respond,
determine if the product has locked up or if the unit will not turn on.
The problem is not the remote control. Make sure the remote control is
the remote that goes with that particular model.
Does the remote control
any component?
NO
YES
Determine which product the remote is not working.
The customer may need to press the appropriate mode button
to make the remote operate another component. The remote may
even need to be programmed to the other component,
especially if the batteries were just changed.
Have the batteries
been changed?
NO
YES
Ask the customer to change batteries.
Make sure the batteries are new and fresh.
The batteries do not need to come from a “spare” battery drawer.
Do not mix used and new batteries.
Is the remote working
at all?
NO
YES
YES
If the remote does not work anything, then walk the customer
through a remote drain. Remove the batteries from the remote control.
Then press and hold any button down for a minute.
This will drain the power out of the remote and reset it.
Universal remotes will have to be reprogrammed.
Does any remote
work the unit?
NO
If another remote works the unit, then follow
the procedure to FOC the customer a new remote.
If two remotes do not work the unit, the unit will need service.
Does the customer want to
program their remote?
NO
Please refer to the OM for instructions on how to
program remote to TV. Customer wants to program a remote
other than Zenith or LG, the customer will need to contact
the manufacturer of the remote control. Codes do not work,
remote is not compatible.
5-5. Remote Control Not Working
Summary of Contents for LHB645
Page 15: ...1 14 ...
Page 67: ...2 52 WAVEFORMS 1 SYSTEM PART 1 MPEG CRYSTAL 27 MHz IC501 MT8563 X TAL 27 MHz 1 1 ...
Page 69: ...2 54 3 AUDIO PART 1 ADC I2C IC202 SCL IC202 SDA 7 6 6 7 ...
Page 70: ...2 55 4 AUDIO PART 2 PWM I2S I2C 9 8 10 M_LRCK 8 M_BCK M_DATA0 10 9 M_DATA0 M_BCK ...
Page 71: ...2 56 5 HDMI PART H_SDA H_SCL 11 12 12 11 ...
Page 89: ...2 92 2 91 2 MAIN AMP P C BOARD TOP VIEW BOTTOM VIEW ...
Page 91: ...2 96 2 95 4 FRONT P C BOARD TOP VIEW BOTTOM VIEW ...
Page 93: ...3 2 ...
Page 97: ...4 SPEAKER SECTION 4 1 CENTER SPEAKER A700 ...
Page 98: ...4 2 FRONT SPEAKER A800 850 850 A800T A800B A800M ...
Page 99: ...4 3 REAR SPEAKER A600 ...
Page 100: ...4 4 PASSIVE SUBWOOFER A900 ...
Page 101: ...3 12 ...
Page 113: ...4 12 ...