Sony WM-BF49 - Page 7

3-2,
MIN = MAX 3. 3k
10 =| 17 12,
RI14 47k
R214 47k
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LORCIONE (4/2)
POWER AMP
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R112 100
C109 330p
RV301-1 10K
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C308 100p
C307 2200 74
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RIPPLE
FILTER
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: . ; : e IC BLOCK DIAGRAMS
bakkie: ; F e Voltages are taken with a VOM (input impedance 10 MQ).
e . or
Saas esau vere Siar otherwise noted. pF: HBF Voltage variations may be noted due to normal produc- 1c301 LA4570M
50 or less are not indicated except for electrolytics tion tolerances.
and tantalums: @ Signal path. |
e All resistors are in 2 and !/,W or less unless otherwise “> :FM SD :PB
ecified. ;
- @ Switch
e Q : internal component.
© -Ge} : printed resistor. | RefNo. | Switch | Position
e
Total
current
is
measured
with
no
cassette
installed.
TC
POWER
OFF
e@ Power voltage is dc 3 V and fed with regurated dc power MODE FM ST
supply from external power voltage jack. TAPE NORMAL
®
Voltage
and
waveforms
are
dc
with
respect
to
ground
‘DOLBY
NR
ON
under no-signal (detuned) conditions.
no mark: PB, FM
( ): AM
e Ea: B+ Line
AN6650
Bier
aa
DRY BATTERY
SIZE "AA*
(EC DESIGNATION R6)
2Pcs , 3V
TOTAL CURRENT
TAPE FWD: 90mA
FF: @5mA
5mA
REW:
RADIO FM: 25mA
AM: 18mA