Sharp 10P-18G User Manual

Service
Manual
Solid State Portable TV,
Radio and Cassette Recorder
Tragbares voiitransistorisiertes
Fernsehgerat mit Radio
und Kassettenrekorder
Mope.
IOP
-18G
SPECIFICATIONS
General
Power Supply.......---
Power Consumption ....
Audio Output.......-.
Speaker Size and Type... .
Dimensions ..........-
TV Section
Tuning Range. ........
Intermediate Frequency .. .
Antenna Input Impedance. .
Intercarrier Sound System. .
Picture Size... ....0--
Tape Recorder Section
TY Pens ou «Bava wae
Tape oc ce ee le ee
Tape Speed ..........
Recording System.......
Erasing System ........
Fast Forward or
Rewind Time .......
Wow and Flutter .......
Radio Section
Frequency Range.......
Intermediate Frequency...
Antenna..........4..
220 Volts 50 Hz AC/12 Volts DC
29 Watts (220 Volts AC)
16 Watts (12 Volts DC)
2 Watts (Max.)
Approx. 10cm Round P.D.S.
Approx. 499mm(W) x 258mm(D)
x 293mm(H)
Approx. 8.2 kgs.
VHF-Channel 2 thru 12
UHF-Channel 21 thru 69
. Picture 38.9 MHz
Sound 33.4 MHz
. 75 ohms unbalanced (UHF/VHF)
.5.5 MHz
44 square inches
2-Track Monaural Cassette Tape Recorder
Philips Type Compact Cassette Tape
4.75 cm/s.
AC Bias System
DC Erasing System
100 s, (with C-60 Type).
0.35%
FM 87.6 ~ 108 MHz
LW 150 ~ 285 kHz
MW 520 ~ 1620 kHz
. FM 10.7 MHz
AM 455 kHz
FM Telescopic monopole antenna
AM Ferrite core bar antenna
TECHNISCHE DATEN
Allgemeines
Stromversorgung
........-
220
Volt/50
Hz
Wechselstrom
12
Volt
Gleichstrom
Leistungsaufnahme.......
29
Watt
(220
Volt
Wechselstrom)
16 Watt (12 Volt Gleichstrom)
Tonausgangsleistung
......
Max.
2
Watt
a
GréRe und Typ des
Lautsprechers........
Runder
¢
ca.
10cm
Abmessungen..........
Ca.
499(B)
x
258(T)
x
293(H)mm
Gewicht .........-.5- Ca. 8,2 kg
Fernsehteil
Abstimmbereich.........
VHE-Kanale
2
bis
12
UHF-Kaniaile 21 bis 69
Zwischenfrequenz........ Bild 38,9 MHz
Ton 33,4 MHz
Antennen-Eingansimpedanz..
.
75
Ohm
unsymmetrisch
(UHF/VHF)
ZwischentrégersyStem ..... 5,5 MHz
BildgréBe..........05.- 283,6 cm?
Rekorderteil
TYPewdag
vd
ee
eae
eg
2-Spur-Kassetten-recorder,
mono
Band
20
ceck
GG
41d
Asc
ee
¥
Philips-Kassettentyp
:
Bandgeschwindigkeit...... 4,75 cm/sec.
Aufnahmesystem
........-
Wechselstrom-V
ormagnetisierung
Loschsystem........-5-
Gleichstrom-Léschung
Schnellvorlauf- und
Riickspulzeit.........
100
s.
(C-60
Kassette)
Gleichlaufschwankungen. . . .0,35%
Radioteil
Frequenzbereich
........
UKW
87,6
~
108
MHz
LW 150 ~ 285 kHz
MW 520 ~ 1620 kHz
Zwischenfrequenz........ UKW 10,7 MHz
MW, LW 455 kHz
Antennen
............
UKW
Teleskop-Monopolantenne
MW, LW Ferritstab-antenne
SHARP
CORPORATION
osaka,
JAPAN

Sharp 10P-18G Specifications

General

Brand	Sharp
Model	10P-18G
Category	Portable TV
Language	English

Summary

General Safety Information

Safety Test Procedure

Procedure to verify receiver safety after disassembly or damage.

Servicing Safety and Precautions

Repair Safety Guidelines

Guidelines for safe repair practices and post-service safety verification.

TV Section Adjustments

+B Voltage Checking

Verifying the +B voltage at the emitter of Q701 for correct operation.

AGC Adjustment

Adjusting the RF AGC control for optimal signal reception.

TV Circuit Alignment Procedures

Video Trap (CF401) Checking

Checking the video trap circuit to ensure proper signal filtering.

Vertical and Horizontal Circuit Alignment

Adjusting vertical and horizontal circuits for picture synchronization and linearity.

Horizontal Circuit Adjustment

H-Hold and H-Size Adjustment

Adjusting horizontal hold and size for stable picture display.

Chassis Removal Procedure

Antenna Replacement Cautions

Picture IF Adjustment

IF Adjustments (Sound & FM)

Sound IF Adjustment

Adjusting the Sound Intermediate Frequency (Sound IF) circuit for optimal audio output.

FM IF Adjustment

Adjusting the FM Intermediate Frequency (FM IF) circuit for proper radio reception.

AM IF and FM Tracking Adjustments

AM IF Adjustment

Adjusting the AM Intermediate Frequency (AM IF) circuit for correct tuning.

FM Tracking

Aligning the FM receiver's circuits for accurate frequency tracking.

FM and UKW Tracking Alignment

MW and LW Tracking Adjustments

MW Tracking

Aligning the MW receiver's circuits for accurate frequency tracking.

LW Tracking

Aligning the LW receiver's circuits for accurate frequency tracking.

Cassette Recorder Adjustments

Torque Adjustments (Play, FF, Rewind)

Setting correct torque for Play, Fast Forward, and Rewind modes.

Pinch Roller and Head Stopper Adjustments

Adjusting pinch roller pressure and head stopper clearance.

Cassette Recorder Performance Checks

Back Tension Adjustment

Adjusting back tension for proper tape handling.

Azimuth Adjustment

Aligning the record/playback head for optimal sound quality.

Playback Frequency Characteristic Adjustment

Adjusting the playback frequency response for accurate audio reproduction.

Bias Oscillation Frequency and Head Bias Current Check

Checking bias oscillation frequency and head bias current.

Dial Cord Stringing Procedure

Chassis and PWB Layouts

Chassis Layout Diagram

Diagram showing component placement on the chassis.

TV Main Circuit PWB Wiring Diagram

Wiring diagram for the TV main circuit printed wiring board.

Power and CRT Circuit PWB Layouts

Power Circuit PWB Wiring Diagram

Wiring diagram for the power supply circuit board.

CRT Circuit PWB Wiring Diagram

Wiring diagram for the CRT circuit board.

Power Circuit PWB Component Layout

Component layout for the power supply circuit board.

CRT Circuit PWB Component Layout

Component layout for the CRT circuit board.

Pix IF Circuit PWB Layouts

Pix IF Circuit PWB Wiring Diagram

Wiring diagram for the Picture IF circuit board.

Pix IF Circuit PWB Component Layout

Component layout for the Picture IF circuit board.

Schematic Diagrams

TV Circuit Schematic

Overall schematic for the TV section of the device.

Audio Circuit Schematic

Overall schematic for the audio section of the device.

Mechanism Exploded View

Audio Circuit PWB Layouts

Audio Circuit PWB Wiring Diagram

Wiring diagram for the audio circuit board.

Audio Circuit PWB Component Layout

Parts Ordering Information

TV Section Parts List

Picture Tube

Part number and description for the picture tube.

Integrated Circuits (TV)

List of integrated circuits in the TV section with part numbers.

Transistors (TV)

List of transistors in the TV section with part numbers.

Diodes (TV)

List of diodes in the TV section with part numbers.

TV Section Parts List (Continued)

Resistors (TV)

List of resistors in the TV section with part numbers.

Controls (TV)

List of controls in the TV section with part numbers.

Coils and Transformers (TV)

List of coils and transformers in the TV section.

Miscellaneous Parts List

Miscellaneous Parts

List of various miscellaneous parts like knobs, switches, and plugs.

Audio Section Parts List

Integrated Circuits (Audio)

List of integrated circuits in the audio section with part numbers.

Transistors (Audio)

List of transistors in the audio section with part numbers.

Diodes (Audio)

List of diodes in the audio section with part numbers.

Audio Section Parts List (Continued)

Capacitors (Audio)

List of capacitors in the audio section with part numbers.

Resistors (Audio)

List of resistors in the audio section with part numbers.

Controls (Audio)

List of controls in the audio section with part numbers.

Coils and Transformers (Audio)

List of coils and transformers in the audio section.

Mechanism Section Parts List

Miscellaneous Mechanism Parts

List of miscellaneous parts for the mechanism.

Mechanism Section Parts

Detailed list of parts for the mechanism section.

Mechanism Section Parts List (Continued)