(No.MB284)1-27
SECTION 4
ADJUSTMENT
4.1
Measurement Instruments Required for Adjustment
(1) AM signal generator
(2) FM signal generator
(3) Intermadiate frequency sweep generator
(4) FM stereo signal generator
(5) Low-frequency oscillator
(oscillation frequency 50Hz-20kHz, 0dB output with 600
Ω
impedance)
(6) Attenuator (600
Ω
impedance)
(7) Electrinic voltmeter
(8) Distortion meter
(9) Wow & Flutter meter
(10) Frequency counter meter
(11) Test tape
VT712 : for Tape speed and wow flutter
VT724 : for reference level
VT703L : for head azimuth adjustment
Blank tape for recording
4.2
Measurement conditons
Radio section
FM 1 kHz, 22.5 kHz deviation
FM STEREO : 1 kHz, 67.5 kHz deviation pilot signal 7.5 kHz
AM : 1 kHz, 30 % modulation
Reference output :Headphone output (0.15V) 32
Ω
Speaker output 1W (2.5V) 6
Ω
Cassette amp section : 1 kHz
Reference output :Headphone output (0.15V) 32
Ω
Speaker output 1 W (2.5V) 6
Ω
Standard mode of function knob:Press TAPE knob of select TAPE mode
CD section
CD test disc : CTS-1000
Содержание MX-KB1 MX-KB2
Страница 15: ... No MB284 1 15 Fig 23 Fig 24 f Front panel assembly N N Front panel assembly ...
Страница 31: ... No MB284 1 31 SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING ...
Страница 35: ...2 1 M E M O ...
Страница 40: ...2 6 PROTECT CIRCUIT AMP STK402 050 PRE_AMP Standardschematicdiagrams Primary Power amp section ...
Страница 41: ...2 7 ...
Страница 43: ...2 9 1 2 3 4 5 6 7 8 9 10 11 12 13 ...
Страница 44: ...2 10 3CD 08 00 08 FROM MAIN PCB DISPLAY BOARD MAIN KEY BOARD STANDBY LED Display Key control section ...
Страница 45: ...2 11 N KEY BOARD ENCODER VOLUME RIGHT KEY BOARD TOP RIGHT KEY BOARD LEFT KEY BOARD TOP LEFT KEY BOARD ...
Страница 46: ...2 12 TC9462F U401 TO MCU CD section ...
Страница 47: ...2 13 TOPICKUP TOCDDECK ...
Страница 52: ...2 18 Main board forward side Printed circuit boards ...
Страница 53: ...2 19 reverse side ...
Страница 54: ...2 20 Display board forward side reverse side ...
Страница 55: ...2 21 Tuner board forward side reverse side ...
Страница 56: ...2 22 forward side reverse side Trans board ...
Страница 57: ...2 23 M E M O ...