Sanyo C29LF41 Service Manual page 15

Service Adjustments
SOUND LEVEL ADJUSTMENT
1. Receive the channel with audio 1KHz 100% modulation
signal.
2. Connect a DC Volt-Meter to TP-317(JD64) and the ground.
3. Set the Surround OFF. Press and hold the MENU button
on the TV set, and press "3" button on the remote control
transmitter to enter the service mode.
5. Adjust voltage to become DC 400mVrms±20mVrms at
TP-317(JD64) by pressing the VOLUME (+/-) button on
the remote control or TV set.
6. To exit from the service mode, press the MENU button.
STEREO SEPARATION ADJUSTMENT
1. Connect an oscilloscope:
Probe-A to TP-317(JD64).
Probe-B to TP-318(JE53).
2. Turn on the TV set, and receive the multi sound programme.
Set the Surround OFF.
3. Press and hold the MENU button on the TV set, and press
"3" button on the remote control transmitter to enter the
service mode.
4. Select "LOW SEPARATION" by pressing the CHANNEL
UP/DOWN button on the remote control or TV set.
5. Adjust the level of 300Hz at TP-317 (JD64) to become
minimum level by pressing the VOLUME (+/-) button
on the remote control or TV set.
MAIN BOARD
MAIN BOARD
JD64
TP-317(R)
Minimum leakage
300Hz
-15-
TP317
JE53