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Good service manual. I gat all I want. Copy is good, but could be better. All clear and useful. I sincerely recommend.
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The schematic is very helpful and the images are very good.The schematic is very helpful and the images are very good.The schematic is very helpful and the images are very good.The schematic is very helpful and the images are very good.The schematic is very helpful and the images are very good.The schematic is very helpful and the images are very good.
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Welcome. The scheme is clearly helped me to repair. Worth to download it.
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Excellent manual, very clear, technical specification provided, useful information regarding adjustment and set up.
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fast and easy and exactly what I was looking for. Not the cheapest but value for money after all.
SECTION 3 ELECTRICAL ADJUSTMENTS
AM Section Band button : AM (ICF-C723) : MW or LW (ICF-C723L) Volume : MAX
AM RF signal generator Put the lead-wire antenna close to the set.
� Repeat the procedures in each adjustment several times, and the frequency coverage and tracking adjustments should be finally done by the trimmer capacitors. ( ) : AEP, UK, Italian, Australian, E model only
AM IF ALIGNMENT Adjust for a maximum reading on level meter. T1 455kHz AM <MW> FREQUENCY COVERAGE ADJUSTMENT Reading on digital Adjust parts Frequecy display voltmeter L6 530kHz (531kHz) 2.5 ± 0.1V (ICF-C723) 2.65 ± 0.1V (ICF-C723L) Less than 11.0V Standard 9.5V (Less than 10.0V) (Standard 9.0V)
30% amplitude modulation by 400Hz signal. Output level : as low as possible
FM Section Band button : FM Volume : MAX
FM RF signal generator 0.01µF set 22.5kHz frequency deviation by 400Hz signal. Output level : as low as possible FM ANT IN
JW13
confirmation
1,710kHz (1,602kHz)
AM <MW> TRACKING ADJUSTMENT Adjust for a maximum reading on level meter. L3 :ICF-C723 580kHz (621kHz) L3�1 :ICF-C723L CT1 1,490kHz (1,404kHz)
ICF-C723L
level meter
LW FREQUENCY COVERAGE ADJUSTMENT Reading on digital Adjust parts Frequecy display voltmeter More than 2.2V confirmation 153kHz (Standard 3V) CT4 279kHz LW TRACKING ADJUSTMENT 9.0 ± 0.1V
8� set
speaker terminal
[MAIN BOARD] (Conductor side)
digital voltmeter
Adjust for a maximum reading on level meter. L3 � 2 162kHz CT2 243kHz
FM FREQUENCY COVERAGE ADJUSTMENT Reading on digital Adjust parts Frequecy display voltmeter L5 confirmation 87.5MHz 108.0MHz FM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter. L4 87.5MHz CT3 108MHz 3.0 ± 0.1V 10 ± 1V
Adjustment Location
C55
: Main board (See page 8)
6
5
4
3
2
1
W705 C15
�6�
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