Sony DXC-190 Manual Structure

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DXC-190

Purpose of this manual This manual is the Service Manual of the color video camera DXC-190.

This manual contains the operating instructions, service overview, operational

description, electrical alignment, spare parts, semiconductor pin assignments, block

diagrams, schematic diagrams and board layouts.

Related manuals In addition to this Service Manual, the following manuals are provided for this unit.

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.Operating Instructions (Supplied with the DXC-190)

This manual is required for the proper operation and application of this unit.

Part of the Operating Instructions is included also in this Service Manual, in

Section 1, “Operating Instructions” .

Part number: 3-205-662-11

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.“Semiconductor Pin Assignments” CD-ROM (Available on request)

This “Semiconductor Pin Assignments” CD-ROM allows you to search for

semiconductors used in Communication System Solutions Network Company

equipment.

Semiconductors that cannot be searched for on this CD-ROM are listed in the

service manual for the corresponding unit. The service manual contains a com-

plete list of all semiconductors and their ID Nos., and thus should be used together

with the CD-ROM.

Part number: 9-968-546-XX

Manual Structure

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