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6-4.
SCHEMATIC DIAGRAM
1
2
3
4
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SWITCH
Q303,304
HEAD FLEXIBLE
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CONVERTER
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REC/ PB HEAD
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aan
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SYSTEM
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SWITCH UNIT ] |
(REC BUTTON)
|
THIS UNIT
IS SUPPLIED
Q707
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(4s THE
)
LED
SWITCH
ASSEMBLED BLOCK
yy
$702
MODE/BL SKIP
Q+>
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OFF
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2
Bias
TAPS
Q323
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B+
0
(0)
(0)
311,312
FWO/REV
CONVERTER
0324
BIAS
REG.
CLAWFWA)
CUE/REVIEW
CT
(36) AMSIN
MODE
TAPE
| [13a
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R712
560
0.9
08
06
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08
{|
R110
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REC
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OUT
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:
77%.
SL
$305
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DEB
TOTAL
CURRENT
|
PLAY
: 160mA
REC
: 190mA
FF/REW
: 220 mA
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Note:
¢
All capacitors are in uF unless otherwise noted. pF:wuF
50WV or less are not indicated except for electrolytics and
tantalums.
¢
All resistors are in Q and 1/4W or less unless otherwise
specified.
*
%
: indicates tolerance.
*
[(_]: panel designation
Note:
The components
identified by mark A or dotted
line with mark A are critical for safety.
Replace only with part number specified.
:
: B+ Line
¢
[(_]:
adjustment for repair.
*
Total current is measured with no cassette installed.
*
Supply 1.3 Vdc from the battery terminal as regulated power
voltage.
*
Voltage and waveforms are dc with respect to ground under
no-signal conditions.
no mark : PLAY
(
}: REC
*
Voltages are taken with a VOM (Input impedance 100).
Voltage variations may be noted due to normal! production
tolerances.
¢
Signal path.
=>
:FM
>>
"PB
sS>>
=: REC
c>
-Mic
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