Read Sharp SD-NX10 (serv.man5) Service Manual online
– 31 –
SD-NX10H
Figure 31-1
From Magnetic Head
From
Optical Pickup Unit
From Mechanism
Switch PWB
2 Pin Extension Connector
QCNWK0129AFZZ
QCNWK0129AFZZ
MD Main PWB
28 Pin Extension Flat Cable
QCNWK0108AFZZ
QCNWK0108AFZZ
6 Pin Extension Flat Cable
QCNWK0130AFZZ
QCNWK0130AFZZ
5 Pin Extension Flat Cable
QCNWK0109AFZZ
QCNWK0109AFZZ
Extension PWB for service
(RUNTK0532AFZZ)
Fit the exrension PWB for service to
the mechanism
(RUNTK0532AFZZ)
Fit the exrension PWB for service to
the mechanism
1-bit amplifier's output offset voltage adjustment
Adjust VRA100 and VRA101 so that the DC voltage between
speaker terminals + and - is set to 0
speaker terminals + and - is set to 0
±
5 mV at AC 230 V.
Figure 31-2
Figure 31-3
+
–
–
Set
AC
230V
230V
BIA110
Sperker
Output
Electronic
Voltmeter
VR:0
Input:AUX
Input:AUX
VRA101
R-CH
Output Offset Adjust
R-CH
Output Offset Adjust
VRA100
L-CH
Output Offset Adjust
L-CH
Output Offset Adjust
1-BIT AMP PWB
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