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Aiwa TV-C148 User Manual

Aiwa TV-C148
28 pages
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SERVICE MANUAL
S/M Code No. 09-003-419-0R2
REVISION
DATA
TV-C143
TV-C148
TV-V203 TV-C208
KE, KER
SHR
COLOR TELEVISION
This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
TV-C143(KE,KER) / TV-C148(SHR) / TV-C208(SHR),
(S/M Code No. 09-003-419-0T4).
This Service Manual does not include “NOTICES BEFORE REPAIRING”,
“DISASSEMBLY INSTRUCTIONS” and “ADJUSTMENT”. These items will be
issued in the next Supplement.
MODEL TYPE
TV-C143
TV-C208
KEJL6C1M, KERJL4L
SHRJL1L, SHRJ4L, SHRJL6L
SHRJ4L
TV-C148
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Aiwa TV-C148 Specifications

General IconGeneral
BrandAiwa
ModelTV-C148
CategoryTV
LanguageEnglish

Summary

AIWA TV Service Manual Introduction

Model Coverage and Manual Scope

Lists supported TV models and details sections included/excluded in this service manual.

AIWA Television Specifications

Technical System Specifications

Details tuner system, video/audio inputs, power, dimensions, and weight.

Included Accessories List

Lists accessories provided with the television set.

Electrical Main Parts List - Part 1

ICs, Transistors, and Diodes

Lists key integrated circuits, transistors, and diodes with their part numbers.

Main Circuit Board Components

Details components associated with the main circuit board.

Electrical Main Parts List - Part 2

Capacitors and Filters

Lists various capacitor and filter components used in the TV's electrical system.

Connectors and Other Electrical Parts

Details connectors, fuses, and other miscellaneous electrical parts.

Electrical Main Parts List - Part 3

Additional Component Listings

Lists remaining electrical components such as capacitors and connectors.

Transistor Illustrations

Transistor Pinout Diagrams

Provides visual diagrams illustrating transistor pin configurations for identification.

Wiring Diagrams

Main Circuit Board Wiring

Shows the wiring connections for the main circuit board of the television.

Schematic Diagrams

Main and NK Board Schematics

Presents the schematic diagrams for the main and NK circuit boards.

NK Board Wiring - TV-C208

NK Board Wiring Diagram Details

Illustrates the wiring for the NK board specifically for the TV-C208 model.

NK Board Wiring - TV-C143/C148

NK Board Wiring Diagram Details

Shows wiring for the NK board for TV-C143 and TV-C148 models.

IC Block Diagrams

IC STR-S6706 Functional Diagram

Illustrates the functional block diagram for the STR-S6706 IC, showing internal logic.

Video Section Waveform Analysis

Video Signal Waveforms

Displays oscilloscope waveforms for various video processing points.

Video Section Waveforms - Continued

More Video Signal Waveforms

Presents additional video signal waveforms for diagnostic purposes.

Video and Audio Waveform Analysis

Color Bar and Video Signal Waveforms

Shows waveforms for SECAM color bar input and video signals.

Audio Signal Waveforms

Displays oscilloscope waveforms for audio output and processing signals.

Power Supply Section Waveform Analysis

Power Supply Operating Waveforms

Shows oscilloscope waveforms for the power supply section during operation.

Power Supply Waveforms - Standby

Standby Power Supply Waveforms

Displays waveforms for the power supply during standby operation.

IC Pinout Descriptions - Part 1

IC TMP87CP38N-1B47 Pinout Details

Details the pin functions for the TMP87CP38N-1B47 IC.

IC Pinout Descriptions - Part 2

IC TB1240AN Pinout and Settings

Lists pin functions for the TB1240AN IC, including AV and tuner settings.

IC Pinout Descriptions - Part 3

IC TB1240AN Pinout Continuation

Continues the pinout details for the TB1240AN IC.

IC Pinout Descriptions - Part 4

IC TA1275AZ Pinout Details

Details the pin functions for the TA1275AZ IC.

Component Voltage Charts

Transistor and Component Voltages

Provides voltage readings for various transistors and components in standard and standby modes.

IC Voltage Data - Part 1

IC TMP87CP38N-1B47 Voltage Data

Lists voltage data for IC1 (TMP87CP38N-1B47) under different input conditions.

IC Voltage Data - Part 2

IC TB1240AN Voltage Data

Provides voltage data for IC301 (TB1240AN) for various input signals.

IC Voltage Data - Part 3

IC TA1275AZ Voltage Data

Lists voltage data for IC302 (TA1275AZ) under different input conditions.

IC Voltage Data - Part 4

Additional IC Voltage Data

Details voltage data for other ICs like KIA7805PI, TDA7056B, STR-S6707, etc.

Mechanical Exploded View

TV Chassis and Component Layout

Shows a visual breakdown of the TV's mechanical parts and assembly.

Mechanical Exploded Parts List

Parts Identification and Numbers

Lists all mechanical parts with their reference numbers and descriptions.

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