Integra DTR-7.6 Service Manual page 123

ADJUSTMENT AND CONFIRMATION PROCEDURES 3
FL tube
Press and hold down CD button, then press STANDBY/ON button.
After "Test - " on the FL tube is displayed, press CD button to set the unit to the test mode of FL tube.
UP
direction
All segments
light on.
TONE +
"FEDCBA987654321"
light on.
The segments of even
number light on .
The segments of odd
number light on .
"Model,Destination"
light on.
Confirmation of voltage sensor and thermal protector
1. Set the unit to "Test- 4-36 " and "4-37".
Confirm that FM STEREO is displayed and Speaker relays RL6901 and RL6902 turn Off.
2. Set the unit to "Test- 4-38 ".
Confirm that FM STEREO is displayed and Speaker relays RL6901 and RL6902 turn Off.
Confirmation of cooling fan
1. Confirm that the fan does not rotate when no input signal.
2. Set the unit to "Test- 4-36 " and "4-37".
Confirm that the fan rotates at a low speed.
3. Set the unit to "Test- 4-39 ".
Confirm that the fan rotates at a high speed.
DOWN Press STANDBY button
direction
to finish the test mode of FL tube.
TONE -
DTR-7.6