Kostenlose Service Handbücher

Table of Contents
Page
General Section .................................. 1-3…1-20
Video Recorder Overview ............................................................ 1-3
Test Equipment / Jigs .................................................................. 1-4
Specifications ............................................................................... 1-4
Operating Hints .......................................................................... 1-12
Service Instructions .................................................................... 1-19
Diagnostic Programme ................................. 2-2
Adjustment Procedures................................ 3-2
Layout of the PCBs
and Circuit Diagrams ......................... 4-1…4-32
Wiring Diagram ............................................................................ 4-1
Block Circuit Diagram .................................................................. 4-3
• Power Supply ............................................................................ 4-3
• Digital ........................................................................................ 4-4
• Video/Chroma .............................................................................4-7
• Audio ......................................................................................... 4-9
• IN/OUT ...................................................................................... 4-9
CP-1: Chassis Board ................................................................. 4-11
• Oscillograms ........................................................................... 4-14
• PW-A: Power Supply ..................................................... 4-17
• SY-A: Frontend ............................................................. 4-18
• SY-A/MC-A: Drive Control ...................................................... 4-19
• TM-A: Keyboard Control ............................................... 4-23
• VA-A: Video/Chroma/Audio ........................................... 4-25
• AD-A: Interface ............................................................. 4-27
• TC-A: VPS/PDC ............................................................ 4-22
TM-1: Keyboard Control ............................................................. 4-22
TB-1: Socket Board .................................................................... 4-29
TN-3: Stereo Decoder ................................................................ 4-31
TN-6: NICAM Decoder ............................................................... 4-32
Drive Mechanism.............................. 5-16…5-30
Test Equipment / Jigs ................................................................ 5-16
Cleaning ..................................................................................... 5-16
Maintenance and Inspection of the Drive Mechanism ............... 5-17
Names of the Main Mechanical Parts ........................................ 5-17
Checking the Mechanism Mode Positions ................................. 5-19
Operating the Mechanism in the Service Test Mode ................. 5-19
Overview of Operating Modes ................................................... 5-20
Replacing Parts of the Drive Mechanism ................................... 5-21
Adjustments ............................................................................... 5-29
Exploded Views and
Spare Parts Lists .................................. 6-1…6-8