Sharp GF-9292X User Manual

w Service Manual
The model GF-9292X
same as the former GF
(1) The meter is of LED indication.
(2) The front design is different from that of the GF-9191X.
(3) “AM” indication of the radio band selector is different from the
corresponding one (“MW”) of that of the GF-9191X.
As for the items “Description of APSS”, “Mechanical Adjustment”,
“Electrical Measurement” and “General Alignment Instruction”. they
are all omitted from the explanations of this Service Manual and there-
fore refer to the already issued
“GF-9191X Service Manual” to see the
details of them.
SPECIFICATIONS
GENERAL
Type:
Power source:
Power consumption:
Speaker:
Power output:
Semiconductors:
Dimentions:
Weight:
Input terminals:
Outout terminals:
Auto Program Search System
MODEL
GF-9292X
In the interests of user-safety the set should
be restored to its original condition and only
parts identical to those specified be used.
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 UM/SUM-1 , R20, “D”
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) x 115mmiD) x 271mm(H)
[20-5/16“(W)x4-1/2”(D)x10-11/16”(H)1
6.5 kg (14.3 Ibs.) (without batteries)
1 EXT. MIC. 600 ohms (JlOl-A,
JlOl-B)
2 Mixing mic. 600 ohms (J401)
3 Remote control (JIOI-G)
4 EXT. DC power (JSOI )
5 AC input power (SO901)
6 REC/PB DIN socket, 2.5 mV/lO K
ohms (SO1 01)
7 FM EXT. antenna (TBI)
8 PHONO (J103-A, J103-B)
1 EXT. speaker, 4 - 8 ohms (JlOl-E,
JlOl-F)
2 PHONES, 8 - 25 ohms (J603)
3 REC/PB DIN socket, 0.7V/50K ohms
(s0101)
4 Line out, 0.7 V/50 K ohms (JlOl-C,
JIOI-D)
TAPE RECORDER SECTION
Type:
4-track stereo cassette tape recorder
Tape:
Philips type compact cassette tape
Tape speed:
4.8 cm/set.
Recording system:
AC bias
Erasing system:
AC erasing
Recording time:
60 minutes (with C-60 tape)
Fast forward or
rewind time:
120 sec. (with C-60 tape)
Frequency response: 40
- 15,000 Hz (CrOz tape)
40 - 12,000 Hz (Normal tape)
Wow and flutter:
0.09% (WR MS)
SIN ratio:
50 dB
RADIO SECTION
Frequency range:
AM 525 - 1,605 kHz
SW, 2.3 - 7.3 MHz
SW2 7.3 - 22 MHz
FM 87.6 - 108 MHz
Intermediate
frequency:
AM/SWI/SW2 455 kHz
FM 10.7 MHz
4-band superheterodyne system
AM/SW, ferrite core bar antenna
SW, /SW,/FM telescopic antenna
FM EXT. antenna
Circuit system:
Antenna:

Sharp GF-9292X Specifications

General

Type	Boombox
Brand	Sharp
Model	GF-9292X
Country	Japan
Speakers	Yes
Tuner	AM/FM
Speaker Configuration	2-way
Frequency Response	40 Hz - 16 kHz
Inputs	Microphone
Outputs	Headphones
Tape deck	Single

Summary

SPECIFICATIONS

GENERAL

Details about the unit's type, power, speaker, output, semiconductors, dimensions, weight, and inputs/outputs.

TAPE RECORDER SECTION

Specifications for the tape recording functionality, including type, speed, bias, erasing, and frequency response.

RADIO SECTION

Specifications for the radio tuner, covering frequency ranges, intermediate frequencies, circuit system, and antenna types.

NAMES OF PARTS

Front Panel Controls and Indicators

Identifies front panel components like meters, microphones, headphone jack, and various operational keys and controls.

Top Panel Controls

Details controls located on the top surface, including loudness, meter/dial switches, mode selectors, and tape selectors.

Front Panel Controls (Lower Section)

Identifies lower front panel controls such as record level, bass, treble, volume, fader, and APSS/stop keys.

Rear and Side Panel Connectors

Identifies external connection terminals and power inputs found on the rear and side of the unit.

DISASSEMBLY

FRONT CABINET REMOVAL

Step-by-step instructions for removing the front cabinet and disconnecting speaker tips.

OPERATION PANEL REMOVAL

Instructions for removing the operation panel after the front cabinet is detached.

MECHANISM BLOCK REMOVAL

Procedure to disconnect sockets and remove the mechanism block.

CHASSIS (P.W.B.) REMOVAL

Steps to remove the main chassis (Printed Wiring Board) after other parts are detached.

DIAL SCALE PLATE REMOVAL

Steps to remove the dial scale plate after the operation panel is removed.

PHONO JACK PLATE REMOVAL

Instructions for removing the phono jack plate after the mechanism block is removed.

LEVEL AND SENSITIVITY ADJUSTMENT OF VU METER

VU Meter Adjustment Procedure

Detailed steps for connecting test equipment and adjusting controls for accurate VU meter readings.

Switch and Control Settings

Lists switch positions and VR control settings required for the adjustment procedure.

ALIGNMENT POINTS

Alignment Diagram and Test Points

Diagram showing alignment points, test points (TP), and component locations for calibration.