Sanyo Vizon DP37647 - User Manual

Specifications
Power Rating . . . . . . . . . . . . . . . . . . . . . . . . 120VAC
175W, 1.7A (Max)
Antenna Input Impedance . . . . . . . . . . . . . . . . . 75Ω
UHF/VHF/CATV
Digital
Receiving Channel . . . . . . . . . . . . . . . . 2 - 13 (VHF),
14 - 69 (UHF),
01, 14-94, 95-125 (CATV)
1-99 (Digital)
Remote Ready . . . . . . . . . . 32 Key Remote Control
Sound Output . . . . . . . . . . . . . . . . . . . . . . 5.0 W/CH
Intermediate Frequency
Picture IF Carrier. . . . . . . . . . . . . . . . . . 45.75MHz
Sound IF Carrier . . . . . . . . . . . . . . . . . . 41.25MHz
Color Sub Carrier . . . . . . . . . . . . . . . . . 42.17MHz
Cabinet Dimensions
Width. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 939mm
Height . . . . . . . . . . . . . . . . . . . . . . . . . . . . 697mm
Depth including base . . . . . . . . . . . . . . . . 219mm
REFERENCE No. SM780156-01
DP37647, N4PH, PRODUCT CODE 113004304
Contents
Safety Instructions . . . . . . . . . . . . . . . . . . 2
Service Adjustments . . . . . . . . . . . . . 3 – 4
Power Failure Circuit . . . . . . . . . . . . . . . . 5
Mechanical Disassemblies. . . . . . . . . 6 – 7
Chassis Electrical Parts List . . . . . . . 8 – 23
Cabinet Parts List . . . . . . . . . . . . . . . . . . 24
Component and Test Point
Locations . . . . . . . . . . . . . . . . . . . 25 – 26
Block Diagrams . . . . . . . . . . . . . . . . 27 – 37
Troubleshooting Flow Charts . . . . . 38 – 40
Control Port Functions . . . . . . . . . . 41 – 42
Schematic Notes . . . . . . . . . . . . . . . . . . . 43
Pin Layouts. . . . . . . . . . . . . . . . . . . . . . . . 44
Capacitor and Resistor Codes . . . . . . . . 45
PC Board Connections and Locations . . 46
Schematic Diagrams . . . . . . . . . . . . 48 – 49
FILE NO.
SERVICE MANUAL Remote Control Digital
Color Television
DP37647 (U.S.A.)
(CANADA)
ORIGINAL VERSION
Chassis No. P37647-04
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.
Servicing should be performed by only trained and qualified service personnel.
with a double “Z” is a registered trademark
of Sanyo Manufacturing Corporation.
© Sanyo Manufacturing Corporation 2008

Summary

Specifications

Safety Instructions

Service Adjustments

On-Screen Service Menu System

Procedure for accessing and using the on-screen service menu for adjustments.

Power Failure Circuit

Chassis Electrical Parts List

Block Diagrams

Power Lines Block Diagram

Block diagram illustrating power distribution and lines within the TV.

Signal Lines Block Diagram

Block diagram detailing the signal flow and connections between major components.

Key IC Block Diagrams

Troubleshooting Flow Charts

No Power Troubleshooting

Flow chart to diagnose and resolve power-related issues in the TV.

No Audio Troubleshooting

Flow chart to diagnose and resolve audio issues in the TV.

No Video Troubleshooting

Flow chart to diagnose and resolve video signal issues in the TV.

Control Port Functions

System Control (CPU: IC800)

Detailed description of control port functions for the system CPU (IC800).

Mode Switching Table

Schematic Diagrams

Notes on Schematic Diagrams

Explanations of symbols, notations, and conventions used in the schematic diagrams.

Sanyo Vizon DP37647 Specifications

General

Screen Size	37 inches
Display Type	LCD
Aspect Ratio	16:9
HDMI Ports	2
USB Ports	1
Brightness	500 cd/m²
Response Time	8 ms
Viewing Angle	178° (Horizontal and Vertical)
Input Ports	Component, Composite
Speaker Type	Built-in