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Sony UP-890CE Service Manual

Video graphic printer

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Service manual (76 pages)

Instruction manual (112 pages)

Catalog (75 pages)

Table Of Contents

Table of Contents

Contents
General
Specifications
Location and Function of Parts
Front
Back
Overview
Connection
Before Printing
Setting the Type of Paper
Setting the DIP Switches
Loading Paper
Printing
Making Print-Outs
Selecting the Printing Direction
Selecting the Printing Size
To Print in Small Mode
Stopping Printing Midway
Making Copies of the Last Print-Out
Adjusting the Contrast and Brightness
Precautions
Maintenance
Cleaning the Cabinet
Cleaning the Terminal Head
On the Type of Paper
Storing Paper
Troubleshooting
Disassembly
Removing the Top Cover
Removing the Door Panel and Front Panel Unit
Removing the MA-19 Board
Removing the Mechanism Block
Removing the Shield Case and Switching Regulator
Removing the Thermal Head
Head Voltage Adjustment
Brightness Contrast Adjustment
Motor Speed Adjustment
Diagrams
Circuit Boards Locations
Block Diagram
Printed Wiring Boards and Schematic Diagrams
MA-19 (Memory Control, Video. Sync ) SE-9 (Pos. Sensor ) PTC-35 (Paper Sensor ) SU-20 (Platen Motor) LE-11 (Lamp) C-19 (Sensor)
MA-19 (Memory Control, Video, Sync) SE-9 (Pos Sensor) PTC-35 (Paper Sensor) SU-20 (Platen Motor) LE-11 (Lamp) C-19 (Sensor)
Up-890Ce/890Md
M (Power Supply) C (Switching Regulator) D (DC-DC Converter) I (AC IN)
M (Power Supply)
C (Switching Regulator) D (DC-DC Converter) I (AC IN)
Semiconductors
Page Type
Clock OSC-Top View
Cell Base IC-Top View
C-Mos B-Bit Microcomputer-Top View
NTSC Color TV Video Amplifier-Top View
C-Mos 4M (262144Wx18)-BIT Dynamic Ram-Top View
C-Mos Tripe 2-Channel Analog Multiplexer/Demultiplexers-Top View
Motor Speed Control-Side View
BI-Directional Motor Driver-Side View
6-Bit Video D/A Converter-Top View
System Resetting Device
6-Bit A/D Converter-Top View
C-Mos Hex Schmitt Trigger Inverters-Top View
C-Mos Dual D-Type Flip-Flops with Direct Set/Reset-Top View
Circuit Description
Video Circuit
Operation
Video Signal Processing Block Diagram
Oscillation Circuit
Clock Timing Chart and Circuit Diagram
Peripheral Circuit IC103
Operation Description
Mode Setting
Write in Frame Memory
Print Timing Pulse Generation
Transfer from Frame Memory to Line Memory
Read from One-Line Memory
Printing Completion
System Control Section
Print Preparations
Memory Write (Fetch) Signal from the Print Key
Memory Write Timing Chart
From Memory Writing Till Screen Printing
Screen Printing Timing
End of Screen Printing Timing
Mode Set
Motor Drive Section (IC 201)
Platen Motor
Head U/D Motor and Door Motor
Thermal Head Section
Head Internal Circuit Configuration
Timing Chart
Stair Generation
Basic Operation
Temperature Compensation
Exploded Views
Chassis Section
Print Mechanism Section
Electrical Parts List
Switching Regulator
MA Board Part No. against the Serial No. Tor the Set
This Note Is Common for Printed Wiring Boards and Schematic Diagrams
MA-19 Board (-21,22)
MA-19 Board (-23)
Parts Information

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1 Connection
2 Printing
3 Troubleshooting
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See also: Operator's Manual , Instruction Manual

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Up-890md

Sony UP-890CE Service Manual

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