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AUDIO
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i9~3-A
POSITION
[_EM-Lw-Mw-Sw
STEREO
- MONO
7
FM MODE
SELECTOR
|
DESCRIPTION
BAND
SELECTOR
2SC2634
TA
SWIOI-A
FM MODE
SELECTOR
SWITCH
RIPPLE
FILTER
Qi
REF.
NO.
|
SWI-A~F
SWIOI-A
c25
FM MULTIPLEX
TA7343P
AM AF
IF IN IF IN GND OSC OUT
FMAM
+
c22
5.89V
(5.91)!
FMIF/AM
CIRCUIT
car
arnov
§ teoae
L3av 11. 33V)
AM
IF IN
u "
> II
T3 AMIF
c20 0.01
RB
BA4232AL
cig '/s0v
470
(4)
'AM DET
OUT
C2
1:2.
2P (CH) E:1P
(cH)
FM FRONT
END
Ici
BA4402
ROD
ANTENNA
Figure 21 SCHEMATIC DIAGRAM
—21—
Wt eens EB
SW/MW/LW Signal
FM Signal
GF-7850H(D)
©
e
Resistor:
e
Parts marked
with
"A"
) are important for main-
taining the safety of the set.
Be sure to replace these parts
with
specified
ones
for
maintaining
the
safety
and
performance of the set.
e Capacitor:
(
): AM mode
Marking except for (
): FM mode
COMPACT CASSETTE TYPE
=4
DISTORTION
DOLBY LEVEL | MTT-150
CALIBRATION
BLANK
10 kHz,
-10 dB
_| MTT-114
MTT-118
1 kHz, -10dB
Distortion check
level adjustment
Dolby B-Type
Dolby NR
Tone 200 nwb/m | B-type level
adjustment
Record fre-
quency check
ihe
ee
notice.
MEASUREMENT
RANGE
APPLICATION
TW-2111
10 — 100 g-cm
Normal : Playback torque
i
iz 1.5 — 10 g-cm
Normal : Back tension
TW-2121
ie — 100 g-cm
Reverse : Playback torque
1.5 — 10 g-cm
Reverse : Back tension
[Twa
| 30 — 200 g-cm
Fast-forward, Rewind torque
TW-2412
0-— 300g
Normal : Driving power
TW-2422
0— 300g
1___
Reverse : Driving power
—22—
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