Sharp CD-C500Z

c
TUNER SECTION
fL: Low-range frequency
fH: High-range frequency
l AM IF/RF
Signal generator: 400 Hz, 30%, AM modulated
Span Selector Switch: 9kHz
Test Stage Frequency Frequency
Specified Instrumc
Display Value/
Connecti
Adjusting
Point
IF
450 kHz
1,602 kHz
T209
l 1
MW band -
531 kHz
T207(fL): l 2
coverage
1.1 vrt
0.05 v
MW
603 kHz
603 kHz
T203(fL) ‘1
tracking
1,404 kHz
1,404 kHz
TC203(fH)
SW1 band
3.2 MHz
3.2 MHz
T206(fL): *3
coverage
2.1 v+
0.05 v
7.3 MHz
7.3 MHz
TC206(fH):
7.7 Vk
0.05 v
SW1
tracking
3.9 MHz
3.9 MHz
T202(fL) ‘I
7.1 MHz
7.1 MHz
TC202(fH)
SW2 band
coverage
I::,:.,,*;
ent
on
0.05 v
SW2
11.65 MHz
11.65 MHz T201 (fL)
*l
tracking
21.45 MHz 21.45 MHz TC20l(fM)
*1. input: Antenna
*2. Input: Antenna
Output: Pin 15 of IC202
Output: Collector of Q216
*3. input: Antenna
Output: Collector of 0214
~.
i
l FM IF/RF
Signal generator: 1 kHz, 40 kHz dev., FM modulated
Test Stage Frequency Frequency
Setting/
Instrument
Display
Adjusting Connection
Point
Band -
67.5 MHz
1324 (fL):
l l
coverage
1 .a5 v i
50 mV
RF
98.00 MHz
98.00 MHz
T321 ST322 l 2
(1 O-30 dB)
IF
98.00 MHz 98.00 MHz -
*2
(1 O-30 dB)
*l .Input:Antenna
0utput:Collector of Q216
*2Jnput:Antenna
0utput:Pin 12 of IC202
l FM Detection/Distortion
Signal generator: 1 kHz, 40 kHz dev, FM modulated
l FM Auto Stop Level
Signal generator: 1 kHz, 40 kHz dev, FM modulated
Frequency Frequency
Adjusting
Instrument Connection
Display Point
98.00 MHz 98.00 MHz VFi202*
) (30 dB)
Input: Antenna
Obtput: Speaker terminal
* Adjust so that an output signal appears.
l VCO Frequency
*Adjust for 38 kHz i 100 Hz.
u
-.
T210
I
-
VR202
R271
A?-,“;
Figure 19 ADJUSTMENT POINTS
- 19-