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
Содержание CDX-FM1257
Страница 6: ...6 CDX FM1259 FM1257 2 2 EXTERIOR ...
Страница 8: ...8 CDX FM1259 FM1257 2 3 CD MECHANISM MODULE ...
Страница 15: ...15 CDX FM1259 FM1257 5 6 7 8 5 6 7 8 D C B A A2 2 GGC1257 SRM2B256SLTMX70 B CN201 SRAM IP BUS DRIVER ...
Страница 19: ...19 CDX FM1259 FM1257 ...
Страница 22: ...22 CDX FM1259 FM1257 1 2 3 4 1 2 3 4 D C B A 1 2 3 4 1 2 3 3 3 ANTENNA SELECT UNIT F 4 A CN401 F B ...
Страница 27: ...27 CDX FM1259 FM1257 D C B A B EXTENSION UNIT B SIDE B 1 2 3 4 1 2 3 4 ...
Страница 38: ...38 CDX FM1259 FM1257 Grating waveform 45 0 75 60 30 90 Echt Xch 20mV div AC Fcht Ych 20mV div AC ...
Страница 49: ...49 CDX FM1259 FM1257 7 1 2 DISPLAY CAW1514 COMMON SEGMENT ...
Страница 58: ...58 CDX FM1259 FM1257 7 3 BLOCK DIAGRAM A C D E B ...
Страница 59: ...59 CDX FM1259 FM1257 F G ...