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SERVICE MANUAL
MINI CASSETTE RECORDER
142 381 04
SPECIFICATIONS
Power Source
-_
Wow & Flutter ............ eT
ee 0.4%, WRMS
DO 4a
ieta rasan aaevennnees pews 6V
Frequency Response (Overall) .......... 200Hz~ 4,000Hz
(UM-3, HP 7, AA Cell, Mignonzelle, R 6) x 4
Erase Ratio (Overall) ...............0...... 40dB
Output Power ...............0..0.00e- ne 0.6W (Max.)
Signal to Noise Ratio ...................0.. 30dB
Current Consumption (at Vol. Min.)
7
Crosstalk
Record mode ................cccceceeeeeee 130mA
Track to Track ............ Ase se ye 50dB
Playback mode ................0. ana ceehe 120mA
Harmonic Distortion (K3) ................. 10%
Fast Forward mode ...............0.0005 . 220mA
Hum & Noise (at Vol. Min.)
|
Rewind mode ........... Shestpusmseealns 220mA
at Vol. Min. ............ seapenube
ut obaaea a —50dBs
Recording System .................0.0.008 DC Bias
|
at Vol. Max. ...... ett: renee cena —30dBs
Erasing System .........- e a eee noc eeattes Magnet Erasing
Terminal Impedance
-
Tape Speed .......
cee
cece cece ese c cues 1-7/8ips. + 3%
MIG. cccdmadest ace ETRY
nee ee 3kO
Fast Forward Time ...............ccceeee es 150sec. (with C-60)
Ext Speaker svericw sees
dunsennad 80
Rewind Time ................ euotieaace .. 150sec. (with C-60)
—Specifications subject to change without notice.—
WM-8250

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