Akai GX-747 dbx Service Manual

X. DC RESISTANCE OF VARIOUS COILS
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PART
DESIGNATION
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DC RESISTANCE
Between BLU-RED: I
IO ohms
Main Motor
SCM-200
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Between
YLW-BRN: 170 ohms
Pick-up Coil: 665 ohms
R
IM t
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ee o or
.
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Between YLW-BRN:
157 ohms
24XOTD
Between BLU-RED:
30 ohms
Pinch Roller Plunger 1664PLT1
!
600 ohms ± 10%
Brake Plunger
1240PLT1
600 ohms ± I
0%
REV Plunger
Pause Plunger
I
0730FLT
600 ohms ± I
0%
Relay
!
MY4-02-US-L
650 ohms± 15%
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Relay
BR211
1,280 ohms ±
10%
Relay
G2KU
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1,000 ohms ± 10%
Relay
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321D012
230
ohms± 15%
Erase Head
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E4-245
3.1 ohms
Recording Head R4-241
5.9 ohms
Playback Head P4-500
407
ohms± 5%
--------------SERVICE MANUAL GX-747dbx--------------
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Akai GX-747 dbx Specifications

General

Track System	4-track, 2-channel stereo
Reel Size	up to 10.5 inch reel
Type	Reel to Reel
Heads	2 x erase
Motor	1 x capstan, 2 x reel
Tape Speed	9.5 cm/s, 19 cm/s
Wow and Flutter	0.03% (19 cm/s)
Signal to Noise Ratio	65dB
Input	1 x line, 1 x microphone
Output	1 x line
Dimensions	440 x 480 x 260 mm