Pioneer PD-F1007 Service Manual page 36

PD-F1007
6.2.3 Check and Adjustment
1. Disc-detect Circuit Adjustment
JIG
(Peak hold circuit)
SW
INPUT OUTPUT
Digital multi meter
GND
Peak hold voltage (mV)
to 840
840 to 860
860 to 900
900 to 1150
1150 to 1290
1290 to 1500
1500 to 1820
1820 to 2200
2200 to
36
GND
V+B
V-B
VOLUME BOARD ASSY
Revised voltage (mV)
+20
+10
+ 5
OK
- 5
-10
-20
-30
-40
MAIN BOARD ASSY
GND
(Under Base)
VR601
TP601
Photocell for detection
A