SONY

UP-895 series Service Manual 1st Edition

Service Manual

84 Pages

Table of Contents 1. Operating Instructions 2. Service Information 2-1. 2-2. 2-3.  2-4. 2-5.  Board Layout ... 2-1 Disassembly ... 2-1 Removal of Major Parts ... 2-2 2-3-1. Removal of Mechanical Block ... 2-2 2-3-2. Removal of MA-99 Board ... 2-3 2-3-3. Removal of Switching Regulator ... 2-3 2-3-4. Removal of Thermal Head ... 2-4 Tightening the Screws ... 2-5 Installation of Fan Motor ... 2-6  3. Electrical Alignment 3-1. 3-2. 3-3. 3-4. 3-5.  AGC Adjustment ... 3-1 Video Level Adjustment ... 3-1 Brightness and Contrast Adjustment ... 3-2 Head Voltage Adjustment ... 3-3 Initialization of Print Count History ... 3-3  4. Circuit Operation Description 4-1.  4-2. 4-3.  UP-895/(E)  Video Circuit ... 4-3 4-1-1. BNC Input Connector - Trap Filter Circuit ... 4-3 4-1-2. nC-SYNC Generator Circuit ... 4-3 4-1-3. AGC Circuit ... 4-3 4-1-4. Brightness and Contrast Control ... 4-3 4-1-5. A/D Conversion and D/A Conversion ... 4-3 Clock Generator Circuit ... 4-4 Memory and Head Control Circuit ... 4-4 4-3-1. Reading the Serial Data from System Control ... 4-5 4-3-2. Writing in Frame Memory ... 4-5 4-3-3. Transfer from Frame Memory to Line Memory ... 4-5 4-3-4. Thermal Head Control and One-Line Memory ... 4-5  1
File Type: PDF
File Size: 3.73 MB
File Name: up-895_series_service_manual_1st_edition.pdf

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