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LIST OF MECHANICAL
PARTS
51
4822 443 30305 | 77
4822 505 10199
52
4822 502 11339 | 78
4822 402 60285
53
4822 443 30306 | 79
4822 249 10085
54
4822 502 113411
81
4822 249 20037
55
4822 381 10437 | 82
4822 349 50078
56
4822 443 60479 | 83
4822 532 50904
57
4822 256 30128 | 84
4822 532 50964
58
4822 358 30195 | 85
4822 492 31271
59463+64
86
4822 492 31017
66.67
4822 528 10304)
5p
4822 492 50923
61
4822 361 20091 | 88
4822 466 60611
62
4822 325 80066 | 89
4822 492 50314
63
4822 532 20578 | 91
4822 532 10528
64
4822 492 51002 | 92
4822 532 20103
65
4822 528 80521 | 93
4822 505 10446
66
4822 532 20619 | 94
4822 403 10125
67
4822 502 11218 | 95
4822 492 50152
68
4822 532 10284]
96
4822 520 10328
69
4822 413 10122 | 97
4822 462 71054
71
4822 462 40309 | 98
4822 403 50661
72
4822 358 30186 | 99
4822 310 40003
73
4822 249 40064 | 101
4822 528 70018
74
4822 492 40591 | 102
4822 347 10135
75
4822 492 50312 | 103
4822 347 10136
76
4822 402 602841104471
4822 443 10052
MAINTENANCE
We advise regular cleaning with e.g. alcoho! of the
following parts:
- erase, recording and playback heads
- capstan
- tape guides
- pressure roller
- grooves in pulleys, reel discs and flywheel
- brake bracket
The pressure felt for the recording head can be
cleaned with a brush.
105
4822 443 40099 | 133
4822 417 10641
106
4822 272 10118 | 134
4822 403 30255
107
4822 492 51123
| 135=125
4822 403 30256
108
4822 532 50725 | 136
4822 528 90247
109
4822 528 80619
| 137
4822 492 40593
114
4822 280 70156 | 138
4822 130 30916
112
4822 520 10374 | 139
4822 532 50906
113
4822 532 50987 | 141
4822 267 40198
114
4822 492 31272
| 142
4822 267 40039
115
4822 403 20123 | 143
4822 403 50876
116
4822 276 10483 | 144
4822 321 10074
117
4822 410 21709
| 144/15
4822 321 10235
118
4822 280 70152
| 145
4822 325 60038
119
4822 532 30271
| 146
4822 361 20126
121
4822 492 31273 | 147
4822 520 30281
122
4822 462 40195
| 148
4822 358 30135
123
4822 492 40592 | 149
4822 528 60075
124
4822 403 30254 | 151
4822 532 50692
125
4822 403 30256
| 152
4822 492 51122
126
4822 410 21712
| 153
4822 403 50874
127
4822 410 21711
| 154
4822 492 31269
128
4822 403 30257 | 155
4822 492 62039
129
4822 410 21713
| 156
4822 460 20157
131
4822 417 10639 | 157
4822 280 70155
132
4822 492 31274
| 158
4822 255 10007
159
4822 130 30915
ELECTRICAL
MEASUREMENTS
AND ADJUSTMENTS
The following measurements and adjustments were
performed on the left channel. The connecting points
and adjustment devices for the right channel are
bracketed.
The output measured should be cut-off with a
100 kQ) resistor.
Secure the cores adjusted with wax, code
4822 390 40013.
Measuring instruments required
N.8.: Rub dry the heads after cleaning with a cloth.
Lubrication
directions
- Shell Alvania 2 - code 4822 389 10001
Thrust bearing of the flywhee!
- Mobil oil OTE - code 4822 390 10065
Fiywhneel bearing
N.B.: After fubrication, carefully clean the part of
the capstan above the retaining rings.
- Silicone liquid - code 4822 390 20023
Bearings of reel discs and tape tension feelers
- Shell Clavus 17 - code 4822 390 10048
Pressure roller bearing
Multimeter
mV -meter
LF-generator
Rejection of the radiation of the erase oscillator
Signal
- No tape in the recorder
- Switch to position: "A" - "ST" - "9.5"
- Press the keys "REC" and "START"
- Contro! "LEVEL"
to maximum,
other controls to
minimum
- With L2 (L102), reduce the voltage on BU4
MONITOR
point 3/2 (5/2) to minimum
Adjustment of the indicator reading
See Adjustment of the Recording/Playback
sensitivity.
Adjustment of the recording/playback sensitivity
- Feed a signal of 333 Hz to BU3 LINE IN/OUT
point 3/3 (5/2)
- Insert an unmodulated tape of good quality
- Press the REC key
- Recorder
in "B" - "STEREO"
position
- Control
LEVEL
R703/753
to maximum
- Control BALANCE
R704/754
middie position
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