w
The model
same as
the
(1)
The meter is of
(2) The
front design is different
(3)
“AM”
corresponding one
As for
the
“Electrical Measurement”
are all
omitted
fore refer to the already
details of them.
Service
GF-9292X
former
GF
LED
indication of the radio
items
(“MW”)
“Description of
from
the explanations of
indication.
from
that
of the
band
of that of the
and
“General Alignment Instruction”. they
issued
selector is
APSS”,
“GF-9191X Service
GF-9191X.
different
GF-9191X.
“Mechanical Adjustment”,
this Service
Manual
Manual” to
Manual
from the
and
there-
see
the
SPECIFICATIONS
Auto Program Search System
MODEL
GF-9292X
In
the
interests
of
be restored
parts
identical to
user-safety
to
its
original condition
those specified be used.
the
set should
and
only
GENERAL
Type:
Power source:
Power consumption:
Speaker:
Power output:
Semiconductors:
Dimentions:
Weight:
Input terminals:
Outout terminals:
Portable stereophonic cassette tape
recorder with built-in AM/SW,/SWZ/
FM
4-band
radio
AC 110/220/24OV, 50/60 Hz
DC 15V (Ten
size batteries or External DC supply)
35
w
16 cm (Woofer) x 2,
5 cm (Tweeter) x 2
Dynamicpower20W(10W+10W)
8-IC (Integrated Circuit), 34-transistor
and 44-diode (13-Light Emitting Diode)
516mm(W)
[20-5/16“(W)x4-1/2”(D)x10-11/16”(H)1
6.5 kg (14.3
1 EXT.
JlOl-B)
2 Mixing mic. 600 ohms
3 Remote control
4 EXT. DC power
5
AC input power
6
REC/PB
ohms (SO1 01)
7 FM EXT. antenna
8 PHONO
1 EXT. speaker, 4 - 8 ohms
JlOl-F)
2 PHONES, 8 - 25 ohms
3
REC/PB
(s0101)
4 Line out, 0.7 V/50 K ohms
JIOI-D)
UM/SUM-1
x 115mmiD) x 271mm(H)
Ibs.)
(without batteries)
MIC.
600 ohms
DIN socket, 2.5
(J103-A, J103-B)
DIN socket, 0.7V/50K ohms
, R20, “D”
(JlOl-A,
(J401)
(JIOI-G)
(JSOI )
(SO901)
mV/lO K
(TBI)
(JlOl-E,
(J603)
(JlOl-C,
TAPE RECORDER SECTION
Type:
Tape:
Tape speed:
Recording system:
Erasing system:
Recording time:
Fast forward or
rewind time:
Frequency response: 40
Wow and flutter:
SIN ratio:
RADIO SECTION
Frequency
Intermediate
frequency:
Circuit system:
Antenna:
range:
4-track stereo cassette tape recorder
Philips type compact cassette tape
4.8 cm/set.
AC bias
AC erasing
60 minutes (with C-60 tape)
120
sec. (with C-60 tape)
-
15,000 Hz
40 - 12,000 Hz (Normal tape)
0.09%
50
dB
AM 525 - 1,605
SW,
SW2
FM
AM/SWI/SW2
FM
10.7
4-band
AM/SW, ferrite core bar antenna
SW,
FM EXT. antenna
(CrOz
tape)
(WR
MS)
kHz
2.3 - 7.3 MHz
7.3 - 22 MHz
87.6 -
108
MHz
455
MHz
superheterodyne system
/SW,/FM
kHz
telescopic antenna
NAMES
OF PARTS
TunmglR-ch record and
playback level
Battery condition/L-ch
record and playback level
Fast forward/Cue key
meter’-1
Playback key
Editor switch
FM
1
I
Ii
i
7
m
stereo indicator
APSS lndvzator
Digital tape counter
Earth terminal
Record key
Rewind/Review key
Eject key
Power switCh
Function selector
Meter
Loudness switch
selector/Dial
Volume control
Forward
light switch
Treble control
APSS
key
Stop key
Mode selectori
FM muting switch
Fader control
Mixing microphone jack
Revers APSS
key
:ernal
Mains socket
DC power jack
Figure 1
-2-
DISASSEMBLY
q
FRONT CABINET REMOVAL
I.
Pull out the power cord plug or adaptor plug from the unit.
2. Take out the cassette tape from the cassette holder.
3. Remove eight
4. Gently pull out the front cabinet and disconnect four
tros (Soeaker)
q
OPERATION PANEL REMOVAL
1. Remove the front cabinet as described in front cabinet
removal.
2. Remove seven
and fader).
3. Gently lift up the operation panel from the back cabinet.
a
DIAL SCALE PLATE REMOVAL
I.
Remove the operation panel as described in operation panel
removal.
2. Remove four
3. Gently pull out the dial scale plate from the chassis.
(8)
screws retaining the front cabinet.
connected to the
(7)
knobs (record level, bass, treble,
(4)
screws retaining the dial scale plate.
(Refer to Figures 2 and 3)
P.W.
board
main
(Refer to Figure 3)
(Refer to Figure 3)
(4)
volume
Figure 2
@
MECHANISM BLOCK REMOVAL
1. Remove the dial scale plate as described in dial scale plate
removal.
2. Disconnect the tip (muting) and two (2) sockets
SOZ)
connected to the main
P.W. board.
3. Remove four (4) screws retaining the mechanism block.
4. Gently pull out the mechanism block from the main P.W.
board holder.
q
PHONO JACK PLATE REMOVAL
1. Remove the mechanism block as described in mechanism
block removal.
2. Remove two (2) screws retaining the phono jack plate.
3. Gently pull out the phono jack plate from the back cabinet.
CHASSIS
a
1. Remove the phono jack plate as described in phono jack
plate removal.
2. Remove two
3. Disconnect three (3) tips (Antenna) and two (2) tips (DC
supply) connected to the main P.W. board.
4. Remove seven
5. Gently pull out the chassis (P.W.B.) from the back cabinet.
(P.W.B.)
(2)
REMOVAL
knobs (tuning and fine tuning).
(7)
screws
(Refer to Figure 4)
P.W.
board and the motor
(Refer to Figure 5)
(Refer to Figure 5)
retarning
the chassis
(P.W.B.).
-3
L
Figure 3
(Sol,
Figure 4
Figure 5
As for “Description of APSS”, “Mechanical Adjustment”,
“General Alignment Instruction” and
ment”, refer to Service Manual of Model GF-9191 X.
LEVEL AND SENSITIVITY ADJUSTMENT OF VU METER
1. Connect the V.T.V.M. across the
R116).
2. Short circuit the primary coil of the oscillation coil
to stop bias oscillation.
3. Connect the signal generator to the EXT. MIC jacks
JlOlB)
and apply signal
4. Place the unit in RECORD mode.
5. Connect DC voltmeter between TP51 and TP52 (ground)
and adjust left channel record level control
DC voltmeter indicates I
6. Adjust the semi-variable resistor
(D914)
of VU meter begins to light.
(IkHz,
.OV.
“Electrical Measure- Service Manual of Model GF-9191X.
100
ohm resistors
-6OdB) to the unit.
(R907)
so that 5th LED
(R148)
(RI
15,
(L301 )
(JlOl
A,
so that
AS for all the items except “VU-Meter Adjustment”, refer to
7. Next, change the voltage of TP51 to 0.95V by sliding the
record level control (R148), and in this time, check the 5th
LED
(D914)
of VU meter fails to light.
8. Adjust the record level controls (R147,
V.T.V.M. reads 3.5mV.
9. Adjust the semi-variable resistors (R 187,
LEDs (D908, D913)
IO.
Set the level of signal generator to
check the 4th
light.
of VU meters begin to light.
LEDs
(D908,
D913)
R148)
so that the
R188)
so that 4th
-6ldB
and this time,
of VU meters fail to
SWITCH
lower
(SW1
01
F)
node
(SW107)
neter/light (SWlO9)
nixing
(SW104)
oudness
:ape (SW106)
-ecord
SIGNAL
(SW1
08)
mode
(SWIOS)
GENARATOR
POSITION
tape
stereo
VU
off
off
normal
manual
MIC
JACK RECORD mode
R/P HEAD
DC VOLTME
TEF
Figure 6
TP52
/
D914 D912 D9,D
D913
D911
0906 D908
TUNING/RIGHT-“,
I
.
LCh
RCh
spa
(Lch)
J401
SWlOlF
RI39
RI40
SWlOlE
SW104
SWIOID
SWlOlC
SWIOIB
SW107
SWIOIA
B-A
SW301
EXT. SP
Lch
Rch
JIOI-F JIOI-E
JIOI-8
EXT.
L-JUU
JIOI-G
LINE
OUT
JIOI-D JIOI-C
a
so
I01
Figure 7 ALIGNMENT POINTS
L-
MIC
REMOTE
JIOI-A
.
(TP5)
,
L
’
m
.
l[TP
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