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Hitachi TRK-6701W Service Manual page 3

Cassette tape recorder with fm/sw/mw radio

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FRK-6701W
GENERAL SECTION
Semi-conductors:
Power (Mains) Supply:
Power output:
Speakers :
Dimensions:
Weight:
RADIO SECTION
Circuit System:
Tuning Range:
Sensitivity :
Intermediate
Frequency:
Antennas (Aerials):
1. Cassette lid
SPECIFICATIONS
IC's: 6
Transistors: 8
Diodes: 7
LED's: 10
AC: 115/220V, 50/60 Hz (Use
accessory AC adaptor)
DC: 9V ("C" Cell x 6 or
equivalent)
2.5W/CH
(T.H.D. 10%),
15W P.M.P. (AC operation)
10cm, 2.8 0hm x 2
4 cm, 140 ohm
x 2
2 cm, 500 ohm
x 2
511(W) x 135(H) x 107.5(D)mm
3.0 kg (with batteries)
FM/SW/MW 3-band
superheterodyne
FM: 88 to 108 MHz
SW: 3.2 to 12 MHz
MW: 530 to 1605 kHz
FM: 10 dB (pra.}, 0 dB (max.)
SW: 45 dB (pra.), 35 dB (max.)
MW: 48 dB (pra.), 38 dB (max.)
FM:
10.7 MHz
SW/MW: 455 kHz
FM: Telescopic antenna
SW/MW:
Built-in ferrite-core
antenna
TAPE RECORDER SECTION
Tape:
Tape Speed:
Track System:
Recording System:
Erasing System:
Frequency Response:
S/N (Signal to Noise
Ratio):
Wow and Flutter:
Cross Talk:
Erase Ratio:
Input Sensitivity and
Impedance:
Output
Level and
Impedance:
Fast Forwarding or
Rewinding Time:
Distortion:
Motor:
DISASSEMBLY
1) Press the eject button to open the cassette lid.
2) Lift up the cassette lid in the direction of the arrow
(A) and pull out the cassette lid.
* When
install the cassette lid, insert the projection of
the cassette
lid into the recess of the front case and
push the cassette lid in the direction of the arrow (B) .
Cassette tape (C-30, 60, 90)
4.75 cm/s
4 track 2 channel
AC bias, 57 kHz
AC erase
METAL:
50 to 14,000 Hz
CrQ2 : 50 to 12,000 Hz
Normal:
50 to 10,000 Hz
45 dB
0.15% (WRMS)}
60 dB (Between tracks)
30 dB (Between channels)
70 dB
MIX. MIC.: 1.5 mV, 10k ohms
LINE IN: 400 mV, 100k ohms
LINE OUT: 700 mV, 5k ohms
Headphone:
8~ 2k ohms
120 sec. (Using C-60)
4%
DC micromotor
Recess
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