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15
16
R BOARD]
"|
9801
RBG
588
0220
Areo
ORY BATTERY
SIZE"D
(IEC DESIGNATION R20)
6PCS.9V
| CFS-W310L
@ IC BLOCK DIAGRAMS
1C301
BA3423S
TOTAL
CURRENT
FWO : 260mA
REC : 290mA
FF/REV
: 330mA
DUBBING : 350mA
A/B_R/P
L/T
LOR
20-19-18)
Gna ©
ouT 2 &)
BIAS
IN ©)
BIAS OUT @)
SW1-4
ON/OFF
Note :
- All capacitors are in y F unless otherwise noted. pF: u u F
+ Total current is measured with no cassette installed.
SOWV or less are not indicated except for electrolytics and
+ Power voltage is de 9V and fed with regulated dc power supply
tantalums.
from external power voltage jack.
+ All resistors are in Q and %4W or less unless otherwise
+ Voltage and waveforms are dc with respect to ground under
specified.
no-signal ( detuned ) conditions.
> Swot : fusible resistor.
no mark : REC
Note : The components
identified by mark A or dotted
(
) : PLAY
line with mark
are critical for safety.
+ Voltages are taken with a VOM ( Input impedance 10M Q ).
Replace only with part number specified.
Voltage variations may be noted due to normal production
Be
Li
tolerances.
,
: ie
/
+ Signal path.
: C_]
: adjustment for repair.
=>
:FM
>
:PB(DECKA)
CO
:PB(DECKB)
(49:
REC ( DECK B)
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