Sharp GX-CD555Z - Tuner Section

TUNER SECTION
fL: Low-range frequency
fH: High-range frequency
l FM IF/RF
/ 108.0 MHz: TCl
l VCO Frequency
Adjusting Point
Specified Value
Instrument
Connection
VRl
38 kHz i 100 Hz
Pin 6 of IC3
Note: Add a resistor(10 kohm) between pin 7 of IC3 and
ground,and adjust.in stereo state.
.3
l-w/SW 1
IAR ANT.
l AM IF/RF
Test Stage ’
Specified
instrument
I
Value/Adjusting
Connection
Point - Point -
IFIF
T3T3
Input: AntennaInput: Antenna
Output: Pin 5 of IC2 Output: Pin 5 of IC2
i MW Band Coverage i MW Band Coverage
fL: L5fL: L5
Input: AntennaInput: Antenna
fH: TC4 fH: TC4
Output: Pin 9 of IC2 Output: Pin 9 of IC2
/ MW Tracking
1 600 kHz: LS(MW)l
1,400 kHz: TC7
SW1 Band Coverage fL: L6
fH: TC6
SW1 Tracking
2.6 MHz: LB(SW1)
6.0 MHz: TC3
SW2 Band Coverage fL: L7
1 fH: TC8
SW2 Tracking
’ 8.5 MHz: L4
19 MHz: TC5
SPEAKERS
CD OUT
BEAT
FVP SW
.VR40 1
IVIAIN PWB-AI
Figure 11 ADJUSTMENT POINTS
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