Pioneer PD-F1007 Service Manual - Page 40

RF Level Adjustment, Focus Best Adjustment

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PD-F1007 6. RF Level Adjustment Test mode SPDL servo = CLOSE FOCUS servo = CLOSE TRKG servo = CLOSE TEST DISC Innermost circumference PLAY (1 TRK) VR153 MAIN BOARD ASSY START TP1 (CN201) RF 1 VC 4 MAIN BOARD ASSY Player Prove (10:1) GND 1.2VP-P ±0.1V Oscilloscope AC Mode V: 50mV/div H: 10mSec/div 7. Focus Best Adjustment Test mode SPDL servo = CLOSE FOCUS servo = CLOSE TRKG servo = CLOSE TEST DISC Innermost circumference PLAY (1 TRK) VR156 MAIN BOARD ASSY MAX Adjust the RF level to maximum, with the focus error voltage within ±150mV. START TP1 (CN201) FE 6 RF 1 VC 4 MAIN BOARD ASSY Player GND GND Prove(10:1) Prove(10:1) Oscilloscope DC Mode CH1: 5mV/div CH2: 20mV/div H: 200ns/div 40

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PD-F1007
40
1
1
4
6. RF Level Adjustment
VR153
1.2VP-P
±
0.1V
Oscilloscope
AC Mode
V: 50mV/div
H: 10mSec/div
START
TP1
(CN201)
Player
RF
VC
GND
Prove (10:1)
7. Focus Best Adjustment
Oscilloscope
DC Mode
CH1: 5mV/div
CH2: 20mV/div
H: 200ns/div
Prove(10:1)
Player
START
TP1
(CN201)
RF
VC
MAX
GND
Prove(10:1)
FE
6
1
4
GND
Adjust the RF level to maximum, with the
focus error voltage within
±
150mV.
MAIN BOARD ASSY
MAIN BOARD ASSY
MAIN BOARD ASSY
Test mode
SPDL servo
FOCUS servo
TRKG servo
=
=
=
CLOSE
CLOSE
CLOSE
TEST DISC
PLAY
Innermost
circumference
(1 TRK)
VR156
MAIN BOARD ASSY
Test mode
SPDL servo
FOCUS servo
TRKG servo
=
=
=
CLOSE
CLOSE
CLOSE
TEST DISC
PLAY
Innermost
circumference
(1 TRK)