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MZ-E505
Item No. Contents
230 Tracking servo ON
236 ABCD gain adjustment
237 KF gain adjustment
238 RF gain adjustment
244 FCS gain adjustment
245 TRK gain adjustment
READ GRV adjustment 1
100 R GRV setting
562 SLED move to outside
120 Focus servo OFF
122 TON offset adjustment
121 TE gain adjustment
122 TON offset adjustment
123 TEIN offset adjustment
124 TWPP offset adjustment
130 Tracking servo ON
131 TWPP offset adjustment
136 ABCD gain adjustment
137 KF gain adjustment
139 ADIP BPF fo adjustment
144 FCS gain adjustment
145 TRK gain adjustment
134 TWPP gain adjustment
131 TWPP offset adjustment 1
132 TWPP offset adjustment 2
149 TWPP OP offset adjustment
138 RF gain adjustment
100 R GRV setting • Servo OFF
5-6. LED VOLTAGE ADJUSTMENTS
5-6-1. LED voltage check
Connection:
Procedure:
1. Confirm the power voltage is at 1.5 V.
2. Set to the test mode.
3. Set the Manual mode and set the item No. to 071.
Connect a digital voltmeter to TP902 (VCOUT) and TP815
(LEDADJ) on the MAIN board and confirm the voltage (high
luminosity RED voltage value).
LCD display
XXX: A/D value.
4. Turn the control towards VOL + four times to change the item
No. to 075.
Connect a digital voltmeter to TP902 (VCOUT) and TP815
(LEDADJ) on the MAIN board and confirm the voltage (high
luminosity GREEN voltage value).
LCD display
XXX: A/D value.
digital
voltmeter
MAIN board
TP902 (VCOUT)
TP815 (LEDADJ)
071 Red35H XX
075 GRN35H XX