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14
CX-J3000/J3000M
MW IF ADJUSTMENT
Adjust for a maximum reading on level meter
L514
450 kHz
TUNER SECTION
0 dB=1
µ
V
[MW]
Setting:
Function : RADIO
TUNER/BAND button : MW
[FM]
Setting:
Function : RADIO
TUNER/BAND button: FM
[SW]
Setting:
Function : RADIO
TUNER/BAND button: SW-1 or SW-2
AM RF signal
generator
30% amplitude
modulation by
400 Hz signal
60 cm
set
loop antenna A
loop antenna B
FM RF signal
generator
75 kHz frequency
deviation by 1 kHz
signal
Output level:
as low as possible
set
MAIN board
JW501 (GND)
MAIN board
JW535 (ANT)
AM RF signal
generator
set
MAIN board
JW501 (GND)
MAIN board
JW535 (ANT)
33
Ω
10 pF
30% amplitude
modulation by
400 Hz signal
set
MAIN board
PHONES jack
(J202 or J203)
+
–
level meter
(range: 0.5 – 5 V ac)
8
Ω
digital voltmeter
JW527 (VT)
JW528 (GND)
MAIN board
• Repeat the procedures in each adjustment several times, and the
tracking adjustments should be finally done by the trimmer ca-
pacitors.
• Remove FM/SW telescopic antenna in FM and SW adjustment.
<<
>>: J3000 only, (
): 10kHz step status
MW VT VOLTAGE ADJUSTMENT
Adjustment Part
Frequency Display
Reading on Digital Voltmeter
L503
531, (530) kHz
1.5 ± 0.1 <<1.1±0.1>> V
Confirmation
1,602, (1,710) kHz
6.3 ± 0.5 <<7.5±0.5>> V
(
): 10kHz step status
MW TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter
L516
603 (620) kHz
TC503
1,404 (1,490) kHz
SW1 VT VOLTAGE ADJUSTMENT (J3000 only)
Adjustment Part
Frequency Display
Reading on Digital Voltmeter
L501
3.2 MHz
1.45 ± 0.1 V
Confirmation
7.3 MHz
6.5 ± 0.8 V
SW1 TRACKING ADJUSTMENT (J3000 only)
Adjust for a maximum reading on level meter
L504
3.2 MHz
TC502
7.3 MHz
SW2 VT VOLTAGE ADJUSTMENT (J3000 only)
Adjustment Part
Frequency Display
Reading on Digital Voltmeter
L502
9.5 MHz
1.95 ± 0.1 V
Confirmation
21.85 MHz
7.5 ± 0.5 V
SW2 TRACKING ADJUSTMENT (J3000 only)
Adjust for a maximum reading on level meter
L505
15 MHz
FM VT VOLTAGE ADJUSTMENT
Adjustment Part
Frequency Display
Reading on Digital Voltmeter
L513
87.5 MHz
1.75 ± 0.1 V
Confirmation
108 MHz
5.8 ± 0.5 V
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter
L512
98 MHz
Adjustment Location: MAIN board (See page 15)
4. After the adjustments, apply suitable locking compound to
the pats adjusted.
Adjustment Location: Playback Head (Deck A).
Record/Playback/Erase Head (Deck B).
forward
reverse
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