OTHER ADJUSTMENT
1 ADJUSTMENT
MODEL MANUAL REVISED EDITION DATE PAGE METHOD
SERVICE HANDBOOK Apr. 20037155/7165
[27-2] Sensitivity adjustment for the PZ
paper edge sensor (PZ)
1. Tool
• Screwdriver (Phillips)
• Precision driver (Phillips)
2. Adjustment method
a. Preparation
b. Adjustment
Step Operation
1
Check that PZ is connected to the main
body.
Step Operation
1
Loosen two screws in the lower part of
PZ rear cover, remove two screws in the
upper part, and then remove the rear
cover.
2
Power on the main body.
Rear cover
Screws (loosen)
Screws
3
Turn the volume fully clockwise and then
turn it back counterclockwise until the
LED corresponding to each volume
lights up.
4
Perform the procedure of step 3 for all
five volumes.
5
Power off the main body after complet-
ing the adjustment.
6
Reinstall the rear cover.
Step Operation
Relation between VR to adjust and
LED to check.
VR 1 → LED 2
VR 2 → LED 3
VR 3 → LED 4
VR 4 → LED 5
VR 5 → LED 6
PZ control board
(PZCB)
1-130-4
REPLACEMENT
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