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Teac A-650 Service Manual page 3

Stereo cassette deck with dolby system

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1. ES EQUIPMEN REQUIRED
Spring scale:
1.
4.
*
Fig. 1-1
Spring Scale & Cassette Reel Adapter
Fig. 1-2
Plastic Alignment ool
Fig. 1-3
E-3 Head Demagnetizer
Fig. 1-4
Z-261 ape Recorder Cleaner Kit
Fig. 1-5
Z-255 Oil Kit
3
0
100 g- cm (0 - 1.4 oz- inch)
0-160 g-cm (0 — 2.2 oz-inch)
5.
6.
7.
8.
9.
2.
TEAC E-3 or equivalent
TEAC TZ-261 Tape Recorder Cleaner kit or pure alcohol
TEAC TZ-255 Oil kit or equivalent
0
-
70 g (0
-
2.5 oz.)
0
-
200 g (0 - 7.0 oz.)
Spring scale:
Wow/flutter meter:
Frequency counter.
AF oscillator:
AC VTVM:
10. Attenuator:
11. Distortion analyzer:
12. Oscilloscope:
13. Band-pass filter:
14. Test load resistor:
15. Plastic alignment tool.
16.
ead demagnetizer:
17. Cleaner:
For take-up
torque
check:
For
fast
forward &
rewind torque checks:
String:
Length: about 50 cm (20 " )
Cassette Reel Adapter:
Diameter: 22 mm
* The tools above (1 - 3) are constructed as shown in Fig. 1-1.
Cassette Torque
Meter:
For take-up torque check:
For fast forward & rewind torque checks:
Use of the Cassette Torque Meter instead of the spring scale, if you have one, is recommended for easier
measuring.
(See Fig.
5-3 on page 13.)
When
ordering Cassette Torque Meter,
allow
for longer delivery' time
that
is required for it.
For Pinch Roller pressure check:
0 - 1 kg (2.2 lbs)
MEGURO DENPA SOKKI K.K., Model MK-668A or D & R Co.. Model FL-4B.
Digital type, capable of 10 z to 100 k z indication.
10 z - 100 k z
General Purpose
Basic frequency
400 z/1
k z
General Purpose
1 k z narrow band-pass type
Non inductive type 8 ohm/1 W

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