Sharp RX-100H Serviceanleitung Seite 16

| RX-1 00h
©
'Adjusting Instrument Connection
Part .
VR903 Set voltage of head A or | TP1 (GND)
B (having higher voltage)| TP2
ae to 1.5 Vp-p.
VRSO01 Set A or B (having
higher voltage) to 1 Vp-p.
VR002
4.1 Adjustment of Phase
Set the phase adjustment VR904 in the position shown in
Fig. 26-2.
4.2 Adjustment of ATF Pilot Signal Record Current
Adjusting Instrument Connection
Part
VR907 Adjust so that amplitude | TP4{OFF SET}
of A is equal to 1/2 TP3(HSW)
of amplitude of B in
Fig. 26-3.
Adjust so that amplitude
of C is equal to 1/2 of
amplitude of D in
Fig. 26-3.
5. Checking of Humidity Sensor
Checking Instrument Connection
Part
The indicator indicates Remove CNP802, and
dewing state. connect 100 kohm.
After checking connect CNP80Q2.
OSCILLOSCOPE
EQUALIZER AMP. PWB
WAVE FORM OF TP2 —»
WAVE FORM OF TP3 —»
u
8 HEAD
"aVp-p
WAVE FORM OF TP3—~ as.
EQUALIZER CIRGUIT
¢
A HEAD
Figure 26-1
js Sw
OOOSBOO
VRS01 VRed2 VREdd VASD4 VREO? YRS06
EQUALIZER PW
PHASE
Figure 26-2
EQUALIZER AMP. PWB
OSCILLOSCOPE
WAVE FORM OF TP4 —»
WAVE FORM OF TP3 —*
ATF PILOT SIGNAL RECORD CURRENT
Figure 26-3
—26—