Hitachi D-E10U - Specifications; Disassembly

SPECIFICATIONS
Wow and Flutter :.
Semi-conductors : 0.07% (WRMS) |
ICs: 3 : a : 0.20%*
Transistors: 10 (U,C, BS) _ {Input Sensitivityand Impedance: = = |: ae
: 11 (FS, AU, W) Microphone : —-—-0,.3mV, 300 0ohms~5k ohms
Diodes : 7(U, C, BS) Line in: - 60 mV, 47k ohms or more
10 (FS, AU, W) DIN (Record/Playback) : 0.3mV, 3k ohms
LED:
1
(FS,
AU,
W)
Track System : 4 track 2 channel stereo Output Level : 400 mV or more
Tape: Cassette tape (C-30, 60, 90) Output Load Impedance :
Tape Speed : 4.75cm/s Line out : 50k ohms or more
Recording System and
Bias Frequency :
AC bias, 85 kHz
DIN (Record/Playback) :
50k ohms or more
(FS, AU, W)
Erasing System : AC erase Headphone : 8 ohms ~ 2k ohms
Erase Ratio: 65 dB or more (at 1 kHz) Distortion : 1.2% (1 kHz, OVU)
Frequency Response: Crosstalk : 60 dB or more (at 1 kHz)
ER/UD (NOR): 20 Hz~15 kHz Channel Separation : 30 dB or more {at 1 kHz)
30 Hz~ 14 kHz (+3 dB) Power Supply : AC 120V, 60 Hz (U, C)
30 Hz~14 kHz * AC 100-110V/115-127V/
EX/SX (CrQ2) : 20 Hz~16 kHz 200-220V/230-250V,
30 Hz~15 kHz (+3 dB) 50/60 Hz (W)
30 Hz~15 kHz* AC 220V, 50 Hz (FS)
ME (Metal) : 20 Hz~17 kHz AC 240V, 50 Hz (BS, AU)
30 Hz~16 kHz(+3 dB)
Power Consumption :
9W
30 Hz~16 kHz * Dimensions : 110(H)X 435 (W) x 203(D)mm
S/N (Signal to Noise Ratio): Weight : 3.2kg
Dolby NR OFF: 57 dB (Weighted A, Reference Motor : Electronically controlled DC motor
3% THD Metal Tape) Heads : Metal SL Record/playback head
57 dB* Three-gap ferrite Erase head
Dolby NR ON: 64 dB (Weighted A, Reference
3% THD Metal Tape)
64 dB*
* According to DIN 45 500
DISASSEMBLY
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(
)
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pean ed ere
Se tet a
hah oie
ot
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(HW) BT3 x12 (BLACK)
1. Cassette door 4.
Depress the eject button to open the cassette holder.
Lift up the cassette door to remove it. |
2. Upper cover 5.
Remove (A) and (two) screws. | | 1) Remove G) spring.
3. Bottom cover 2) Remove (H) and W) (three) screws.
Remove © and ©) (three) screws. | - -
Front panel
1) Remove two knobs (REC level, REC balance).
2) Remove () ; (E) and (F) (eight) screws.
Cassette chassis