Read Sony CDX-2160 / EXCD-206 Service Manual online
– 16 –
Procedure :
Adjust for following value reading on digital voltmeter.
Frequency Display
530 kHz
1,710 kHz
Reading on Digital voltmeter
1.43 ± 0.05 V
6.8 ± 0.5 V
Adjustment Part
T9
(confirmation)
Adjustment Location : See page 18.
FM SENS/IF Adjustment
Setting :
Setting :
FM/AM button
: FM
Frequency Select switch (E model) : FM 200k
antenna
terminal
terminal
dummy
antenna
antenna
FM RF signal
generator
50 Ω
50 Ω
+
set
–
LINE OUT REAR
Procedure :
Adjust for a maximum reading on level meter.
T1–T3
87.5 MHz
Adjustment Location : See page 18.
FM Auto Scan/Stop Level Adjustment
Setting :
Setting :
FM/AM button
: FM
Frequency Select switch (E model) : FM 200k
dummy
antenna
antenna
terminal
terminal
50 Ω
50 Ω
set
FM RF signal
generator
digital
voltmeter
voltmeter
–
FM SD OUT
AM VT Voltage Adjustment
Setting :
Setting :
FM/AM button
: AM
Frequency Select switch (E model) : AM 10k
dummy
antenna
antenna
antenna
terminal
terminal
set
level
meter
meter
60 pF
+
–
30 Ω 15 pF
LINE OUT REAR
digital
voltmeter
voltmeter
+
–
AM VT OUT
10 kΩ
AM RF signal
generator
10 kΩ
Carrier frequency : 98.1 MHz
Output level
Output level
: 22 dB (12.6 µV)
Mode
: mono
Modulation
: 1 kHz, 22.5 kHz deviation (30 %)
Procedure :
1. Adjust RV3 on TU1 so that the reading on the digital voltmeter
1. Adjust RV3 on TU1 so that the reading on the digital voltmeter
changes point from minimum to maximum. (approx. 0.6 V)
2. Confirm that the set stops auto-scanning with FM RF signal
generator output level set at 22 ± 6 dB.
Adjustment Location : See page 18.
level
meter
meter
+
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