Sanyo Vizon DP32746 User Manual

Specifications
Power Rating . . . . . . . . . . . . . . . . . . . . . . . . 120VAC
155W (Avg), 2.7A (Max)
Antenna Input Impedance . . . . . . . . . . . . . . . . . 75Ω
UHF/VHF/CATV
Receiving Channel . . . . . . . . . . . . . . . . 2 - 13 (VHF),
14 - 69 (UHF),
01, 14-94, 95-125 (CATV)
Remote Ready . . . . . . . . . . 32 Key Remote Control
Sound Output . . . . . . . . . . . . . . . . . . . . . . 3.0 W/CH
Intermediate Frequency
Picture IF Carrier. . . . . . . . . . . . . . . . . . 45.75MHz
Sound IF Carrier . . . . . . . . . . . . . . . . . . 41.25MHz
Color Sub Carrier . . . . . . . . . . . . . . . . . 42.17MHz
LCD . . . . . . . . . . . . . . . . . . . . . . . . . . . T315XW01 V5
Cabinet Dimensions
Width. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 812mm
Height . . . . . . . . . . . . . . . . . . . . . . . . . . . . 614mm
Depth including base . . . . . . . . . . . . . . . . 201mm
REFERENCE No. SM780112
DP32746, N3HE, PRODUCT CODE 111379904
Contents
Safety Instructions . . . . . . . . . . . . . . . . . . 2
Service Adjustments . . . . . . . . . . . . . . 3 - 5
Power Failure Circuit . . . . . . . . . . . . . . . . 6
Mechanical Disassemblies. . . . . . . . . 7 – 8
Chassis Electrical Parts List . . . . . . . 9 - 20
Cabinet Parts List . . . . . . . . . . . . . . . . . . 21
Component and Test Point
Locations . . . . . . . . . . . . . . . . . . . 22 – 25
Block Diagrams . . . . . . . . . . . . . . . . 26 – 31
Trouble Shooting Flow Charts . . . . 32 – 34
Control Port Functions. . . . . . . . . . . 35 – 36
Schematic Notes . . . . . . . . . . . . . . . . . . . 37
Pin Layouts. . . . . . . . . . . . . . . . . . . . . . . . 38
PC Board Connections and Locations . . 39
Capacitor and Resistor Codes . . . . . . . . 40
Schematic Diagrams . . . . . . . . . . . . 41 – 48
AS
FILE NO.
SERVICE MANUAL Remote Control Digital
Color Television
DP32746 (U.S.A.)
(CANADA)
ORIGINAL VERSION
Chassis No. P32746-00
NOTE: Match the Chassis No. on
the unit’s back cover with
the Chassis No. in the
Service Manual.
If the Original Version
Service Manual Chassis
No. does not match the
unit’s, additional Service
Literature is required. You
must refer to “Notices” to the
Original Service Manual
prior to servicing the unit.
A
S
POWER
CH
VOL
D
I
G
I
T
A
L
D
O
L
B
Y
with a double “Z” is a registered trademark
of Sanyo Manufacturing Corporation.
Servicing should be performed by only trained and qualified service personnel.
© Sanyo Manufacturing Corporation 2006

Sanyo Vizon DP32746 Specifications

General

Brand	Sanyo
Model	Vizon DP32746
Category	TV
Language	English

Summary

Specifications

Safety Instructions

General Safety Precautions

Precautions for safe operation and handling of equipment, including AC voltage and grounding.

Product Safety Notice

Ensuring product safety during component replacement, especially for critical parts.

Servicing Sensitive Devices

Techniques for handling Electrostatic Sensitive Devices (ESDs) to prevent damage.

Service Adjustments

On-Screen Service Menu System

Procedure for entering and operating the on-screen service menu for adjustments.

Program Codes

Ensuring correct program codes for model-specific operation and features.

Input Level and Separation Adjustments

Procedures for adjusting input level and separation signals for optimal performance.

Power Failure Circuit

Mechanical Disassembly

Stand and Cabinet Removal

Steps for removing the TV stand and back cabinet for access.

Chassis and Parts Locations

Identification of major chassis components and their physical locations on the boards.

Component Board Removal Procedures

Step-by-step guide for removing digital, main, power, control boards, and speakers.

Chassis Electrical Parts List

Capacitor and Resistor Identification

Details on capacitor and resistor types, codes, tolerance, and materials.

Cabinet Parts List

Accessory Parts List

List of included accessories such as manuals and remote controls.

Component and Testpoint Locations

Main Board Component Layout

Diagram showing component placement on the main board parts side.

Main Board Foil Side Layout

Illustration of the main board's foil side traces and component locations.

Power Board Component Layout

Diagram illustrating component positions on the power board parts side.

Power Board Foil Side Layout

Illustration of the power board's foil side traces and component locations.

Block Diagram - Power Lines

Block Diagram - Signal Lines

Block Diagram - Power Board

IC Block Diagrams

Audio Processor (IC3401) Block Diagram

Functional block diagram of the audio processor IC (IC3401).

Audio Amplifier (IC001) Block Diagram

Functional block diagram of the audio amplifier IC (IC001).

Video and Audio Select ICs Block Diagram

Block diagram for IC1201 and IC1251 handling video and audio selection.

Oscillator and Regulator IC Block Diagrams

Functional diagrams for IC1602 and IC1603 oscillators and regulators.

Troubleshooting Flow Charts

No Power Troubleshooting

Flowchart to diagnose and resolve 'No Power' issues.

No Video Troubleshooting

Flowchart for troubleshooting 'No Video' problems across different inputs.

No Audio Troubleshooting

Flowchart to diagnose and resolve 'No Audio' issues.

Control Port Functions

System Control (CPU : IC801) Port Functions

Description of system control port functions for the CPU (IC801).

Mode Switching Table

Table detailing input mode switching based on AV signal selections.

Schematic Diagrams

Schematic Diagram Notes and Warnings

Important notes and warnings regarding the interpretation and use of schematic diagrams.

IC, Diode, and Transistor Pin Layouts

Component Pin Configuration

Visual guides for pin layouts of integrated circuits, transistors, diodes, and chips.

PC Board Connections and Locations

Inter-Board Connectivity Diagrams

Diagrams showing connections and signal flow between major PC boards.

Capacitor and Resistor Code Chart

Component Value and Code Interpretation

Guides for decoding capacitor and resistor values and characteristics.