Sony DXC-190 Section 2 Service Overview

2-1

DXC-190

Section 2Service Overview

2-1. Removal of Filter Block ASSY

2-2. Initial Switch Setting

[|||||||] : factory setting

.Rear panel (CT-194 Board)

SW501 DC12V [OFF] ↔ON

SW502 MODE A↔[B]

.Side panel (FC-75 Board)

SW401 AUTO-IRIS

[VIDEO]

↔DC

SW403 SHUTTER [0]

SW404 AE SPOT [0]

1 Four Screws (+B2 x 4)

BI-135 Board

2Remove the solder Point

3 Filter Block ASSY

SW405 AGC OFF ↔[AGC]

TURBO NORM ↔[TURBO]

BLC OFF ↔[BLC]

SHUTTER [OFF] ↔SHUTTER

WHT BAL A [0] ↔ 1

B [0] ↔ 1

SHARP

[NORM]

↔SHARP

SC PHASE [0] ↔180

.C/CS adjusting ring [C] ↔CS

Contents

Main Page Table of Contents Manual Structure 1. Operating Instructions 2. Service Overview 3. Operational Description 4. Electrical Alignment 5. Spare Parts 6. Semiconductor Pin Assignments 7. Block Diagrams 8. Schematic Diagrams 9. Board Layouts Page Manual Structure Purpose of this manual Related manuals Page 1-1 Section 1 Operating Instructions operating instructions 3-205-662-11 (1) Color Video Camera Operating Instructions DXC-190 Mode demploi Owners Record 1-2 Features A Notes on Use Power supply A 4 10 5 6 D E F G I H Page Section 2 Service Overview 2-1. Removal of Filter Block ASSY 2-2. Initial Switch Setting 2-3. Compensation of Residual Point Noise Section 3 Operational Description 3-1. BI-135 Board 3-2. PR-229 Board (1) Main signal processing circuits (2) Microcomputer peripheral circuits Page Section 4 Electrical Alignment 4-1. Preparations 4-1-1. Equipment Required 4-2 4-1-2. Connection for Adjustment 4-1-3. Adjustment Commander 4-3 4-1-4. Terminals to Determine Signals for TP5 No Yes 4-1-5. Chart to Select Items Requiring 4-2. Adjustment Method 4-2-1. Preparations for Adjustment 4-2-2. Writing in Initial Data 4-3. PRE ADJUSTMENT 4-3-1. 28MHz Adjustment 4-4-2. SYNC Level Adjustment 4-4-4. SET UP Adjustment 4-4-3. Burst Level Adjustment 4-4-5. 0 dB Adjustment 4-4-6. Auto-Iris VS Level Adjustment 4-4-8. WB (3200K preset) Adjustment 4-4-7. AGC MAX Adjustment 4-4-9. Color Reproduction 4-4-10. WB Data Take-in 4-4-11. Data Write 4-5. Checking after Adjustment 4-5-1. Checking SYNC Level Adjustment 4-5-2. Checking Burst Level Adjustment 4-5-3. Checking SET UP Adjustment 4-5-4. Checking 0 db Adjustment 4-5-7. Checking WB adjustment (3200K preset and data take-in) Checking ATW operation 4-5-8. Checking Color Reproduction Page 5-1. Notes on Repair Parts Section 5 Spare Parts 5-2. Exploded View 5-3. Electrical Parts List Page Page Page Page Page Page Page Section 6 Semiconductor Pin Assignments Index 6-2 Page 7-2 7-2 OverallOverall 7-2. Block Diagram BI-135 PR-229 Overall OverallOverall 7-3 DXC-190 7-3 PS-477 CT-194 Page Page 8-2 8-2 Frame Wiring, BI-135, CT-194, FC-75, IR-29Frame Wiring, BI-135, CT-194, FC-75, IR-29 BI-135 IR-29 FC-75 PR-229 IR-29 FC-75 CT-194 BI-135 Frame Wiring Frame Wiring, BI-135, CT-194, FC-75, IR-29Frame Wiring, BI-135, CT-194, FC-75, IR-29 BEF PS-477 CT-194 PR-229 (1/2)PR-229 (1/2) 8-4 8-4 FSCO 212 PR-229 (1/2) PR-229 (1/2)PR-229 (1/2) 8-6 8-6 28MHZ 8 7 5 PR-229 (2/2)PR-229 (2/2) CAMERA color bar chart PR-229 (2/2) 232 5V G20 DXC-190 8-7 PS-477 CONT GND VOUT VIN Page 9-2 9-2 PR-229, PS-477PR-229, PS-477 SUFFIX: -12 PS-477 PR-229 SUFFIX: -12 PR-229 J-6431-100-A VECTORSCOPE SCALE