Pioneer PD-M426 Service Manual page 25

PD-M426
5. RF Level Adjustment I
@ Test mode
SPDL servo -» CLOSE
FOCUS servo ~ CLOSE
TRKG servo — CLOSE
TEST DISC) Innermost
e circumference
ZS
VRI
mT (1 TRK)
iS2)
53
MOTHER BOARD ASSY
- NARI INY A.
« Oscilloscope
OO AC Mode
V: 50mV/div
H: 10mSec/di
Player i
Prove (10:1
MOTHER BOARD ASSY
PLAY (1 TRK) Adjust the RF level to maximum, with the
MOTHER BOARD ASSY focus error voltage within +150mV.
> Oscilloscope
DC Mode
CH1: 5mV/div
OO CHa: 20mV/div
START
TP1
Player
H: 200ns/div
(CN201) i
re |6> rao
aia
: :
1
MOTHER BOARD ASSY
25