Sharp DV-1600 Series User Manual

Step
Adjust point
Connection
Procedure
2.
36.875 MHz carrier (1) Connect signal generator to pin
(1) Adjust T204 so that DV voltage at TP203
filter:
@ of PIF IC (IC201).
is minimum.
T204 Generator’s output level: 90 dB
l At the end of adjustment, see that there
non modulation (36.875 MHZ)
appears DC 4V at TP203.
(2) Connect VTVM or oscilloscope
If not, readjust from the beginning.
(DC range) to TP203.
(3) Voltage setting of PIF AGC:
Apply DC voltage (about S.OV)
to pin@ of PIF IC (IC201).
Note: The applied voltage should not
exceed DC 7.OV.
3.
AFT rough adjust: (1) Connect sweep generator to
(1) Adjust T203 so that the depressed point
T203 pin @J of PIF IC (IC201).
of waveform is at 36.875 MHz as shown in
Fig. 6.
1 OlOOp F
Generator’s output level: 90dB
Figure 4.
I
36.875MHz
I
(2) Connect response lead to TP203.
I/
36.875MHz
1
To oscil-
loscope
1 OkS2
-=f-+Yl!F~
Figure 6.
Figure 5.
(3) Short TP601 and TP602.
(4) Voltage setting of PIF AGC:
Adjust DC voltage (about S.OV)
to pin @ of PIF IC (IC201)
and adjust to have 1 Vp-p of
waveform on oscilloscope.
Note: The applied voltage should not
exceed DC 7V.
4

Sharp DV-1600 Series Specifications

General

Brand	Sharp
Model	DV-1600 Series
Category	TV
Language	English