36
CDX-FM1259,FM1257
6. ADJUSTMENT
6.1 MODULATOR ADJUSTMENT
-
Connection Diagram
-
Adjustment
Note: When ajusting, the frequency is made 89.1MHz.
CD Signal
Adjusting Point
Adjustment Method
Notes
Tuning Voltage
-
∞
L402
DC V Meter:
Adjustment
3.0V±0.1V
Balance Adjustment
-
∞
VR301
Oscilloscope:
38kHz signal becomes minimum
Modulation
400Hz 0dB (*1) VR302
Linear Detector
LEVEL = 7
Adjustment
or
(Spectrum Analyzer):
500Hz 0dB
135±5kHz
*1 : L and R are input at the same time.
EXTENSION UNIT
L402
VR301
CN803
CN201
Antenna
Plug
ANTENNA
SELECT
UNIT
ANTENNA OUT
Antenna
Jack
(Spectrum Analyzer)
DC Regulated
Power Supply
Oscilloscope
FM Tuner
BACK UP
ACC
GND
BAL
TV
DC V Meter
VR302
CN801
CN401
CN802
Linear Detector
Summary of Contents for CDX-FM1257
Page 6: ...6 CDX FM1259 FM1257 2 2 EXTERIOR ...
Page 8: ...8 CDX FM1259 FM1257 2 3 CD MECHANISM MODULE ...
Page 19: ...19 CDX FM1259 FM1257 ...
Page 27: ...27 CDX FM1259 FM1257 D C B A B EXTENSION UNIT B SIDE B 1 2 3 4 1 2 3 4 ...
Page 49: ...49 CDX FM1259 FM1257 7 1 2 DISPLAY CAW1514 COMMON SEGMENT ...
Page 58: ...58 CDX FM1259 FM1257 7 3 BLOCK DIAGRAM A C D E B ...
Page 59: ...59 CDX FM1259 FM1257 F G ...