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BR-S822U
Service manual
JVC BR-S822U Service Manual
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Service training
(147 pages)
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Table Of Contents
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Contents
Table of Contents
Bookmarks
Table of Contents
Table of Contents
Safety Precautions
Safety Check after Servicing
General Description
Detail of Alterations
Mechanism Adjustment
Changes in Mechanism Assembly
A/C Head - Change
Pinch Roller Arm Assembly - Change
Mode Motor - Change
Pinch Roller Solenoid Position - Addition
Full Erase Head - Addition
Pole Base Assembly - Change
Electrical Adjustment
Audio Rec Level VR Setting and Audio Level Meter Adjustment
Normal Audio Playback Level Adjustment
Normal Audio Playback Frequency Response
Audio Bias Frequency and Level
Normal Audio REC/PB
Normal Audio PB Frequency Response - REC/PB
Full Erase Frequency
BR-S822U Audio Insert Erase Voltage
BR-S622U Audio Post-Recording Erase Voltage
BR-S822U Normal Audio Insert Crosstalk Cancel
BR-S622U Normal Audio Post-Recording Crosstalk Cancel
BR-S822 U Normal Audio Insert Bias Trap
BR-S622 U Normal Audio Post-Recording Bias Trap
BR-S822U Time Code Bias Trap
Hi-Fi Audio Carrier Frequency
Hi-Fi Audio FM Output Level
Hi-Fi Audio PB Level
Audio Circuit - BR-S522U/BR-S525U
Diagrams and Circuit Boards
Expression of Connector
Expression of Wiring
Signal Flow on the Diagram
Circuit Board Locations
Overall Wiring Diagram
Mother-1 Schematic Diagram
Mother-1 Circuit Board Diagram
Mother-2 Schematic Diagram
Mother-2 Circuit Board Diagram
Audio-3 Circuit Board Diagram
Audio-3 Schematic Diagram
AV Micom/Onscreen Circuit Board Diagram
AV Micom/Onscreen Schematic Diagram
Mother-1 Circuit Board
Exploded Views and Parts List
Exploded Part Number Coding
Packing Assembly M1
Packing Assembly M1 Parts List
Cabinet Assembly M2 View
Cabinet Assembly M2 Parts List
Chassis Assembly M3 View
Chassis Assembly M3 Parts List
Frame Assembly M4 Parts List
Frame Assembly M4 View
Rear Bracket Assembly M5 View
Rear Bracket Assembly M5 Parts List
Mechanism 1 Assembly M6 View
Mechanism 1 Assembly M6 Parts List
Mechanism 2 Assembly M7 View
Mechanism 2 Assembly M7 Parts List
Cassette Housing Assembly M8 Parts List
Cassette Housing M8 View
Drum Assembly M9A/M9B View and Parts List
Electrical Parts List
Front Panel Assembly
Cassette Panel Assembly MA View and Parts List
Operation Panel Assembly MB View and Parts List
AV M/ONSC Board Assy 41 Parts List
Specifications
Comparison Table of Different Parts and Function by Model
Precautions During Servicing
Precautions
Features
Controls and Connectors
Front Sub-Panel Overview
Rear Panel
Connections - Video Equipment
Connections - Audio Equipment
Reference Sync Signals for Recording and Playback
Loading and Unloading Video Cassettes
On-Screen Displays
Playback
Shutter Search
Jog Search
Rewind and Fast-Forward
Preroll Playback
Recording
Recording Level Adjustments
Record-Pause and Assemble Editing
Time Code/User Bits Recording/Playback
ID Code
Time Code Editing
Preset Recording
Guide to Editing
Regenerated Recording
Quick Guide to Editing Techniques
Editing Connections
Connections for Swap Editing
Connections for A/B Roll Editing
Manual Editing
Preparing Recording Tapes for Editing
Preroll Editing
Automatic Editing
Run Editing
On-Screen Edit Data Display
Counter Display
Setup Menu
ROM Version/Hour Meter Display
Warning Display
Diagnostic Codes
Test Points
Automatic Equaliser
Installation
Rack Mounting
Connector Specifications
Controls and Connectors Overview
Front Sub-Panel
Audio Dubbing
Menu Settings
Removal of External Covers
Removal of Main Boards
Internal Switches
RP y Switches
R/P Color 2 Switches
R/P Adjust Switches
Y Comb Switches
Output Switches
M. CTL & R. Servo Switches
TBC-1 Switches
TBC-3 Switches
Time Code G/R Switches
45 Pin Main Switches
RS-232C Switches
Memory Switch Initialization
Indication of ROM and Microprocessor Versions
7-Pin Cable
When in Trouble
To Take Cassette out of Set Manually
Video System Problems
Audio System Problems
Operational System Problems
Syscon System Problems
Mechanism System Problems
Check of Supply Voltage
Protocol of 9-Pin Remote Connector
Specification of 9-Pin Connector
Communication Format
Command Format
Command Table
Command from Controller
BR-S822E/622E/522E Status Data
Return from Device
Detail Timing Chart
Wide Aspect ID
Adjustment Mode
Mechanism Adjustment Description
Jigs and Special Tools for Mechanism Adjustment
Mechanism Operation Check
Precautions Replacement of Main Parts
Location of Main Parts
Cleaning
Oiling and Greasing
Replacement of Main Parts
Cassette Housing Assembly Replacement
Cassette Housing Motor Replacement
Brush Assembly Replacement
Upper Drum Assembly Replacement
Centering of Upper Drum - to Remove Upper Drum Wobbling in the Rim
Cautions to Handle Microchecker
Drum Assembly Replacement
A/C Head Replacement
Mechanism Assembly Replacement
Tension Arm Replacement
Pinch Roller Arm Assembly Replacement
Capstan Motor Replacement
Reel Motor Replacement
Loading Motor Replacement
Main Brake, TU Sub Brake Replacement
Pole Base Assembly Replacement
Assembling of Mechanism
Mechanism Parts Arrangement
Adjustment of Reel Servo Circuit
Tension Sensor Position
Arrangement of Test Points and Vrs
Hall Element Output Bias
Hall Element Output Gain
Loading Torque
Reel FG Duty
Play Mode Back Tension
Reverse (X1) Torque
Tension Warning Data Setting
Interchangeability Adjustment
Names of Main Parts
FM Waveform Check
Linearity Adjustment
A/C Head Adjustment
X Value Adjustment
Adjustment of Tape Transport System
Supply Guide Roller Height Adjustment
Take-Up Guide Pole Height Adjustment
Guide Arm Foller Height Adjustment
Tension Pole Perpendicularity (Vertical Centering) Check
Electrical Adjustments
Required Tools and Test Instruments
Specification of Alignment Tapes
Signals Required for Video System Adjustment
Main Boards Location
Initial Setting of Front and Rear Panel Switches at Shipment
Explanation of Main Columns in Check and Adjustment
Check Point Column
Signal Column/Mode Column
About RAP Mode
D/C Servo Circuit
Capstan FG Duty Factor and Level
Tracking Preset
PB Switching Point
Audio Circuit
Audio REC Level VR Setting & Audio Level Meter Adjustment
Normal Audio Playback Level
Normal Audio Playback Frequency Response Check and Adjustment
Audio Bias Frequency and Level Check and Adjustment
Normal Audio REC/PB Check and Adjustment
Normal Audio PB Frequency Response (REC/PB)
Full Erase Frequency Check and Adjustment
BR-S822 Audio Insert Erase Voltage
BR-S622 Audio Post-Recording Voltage
BR-S822 Normal Audio Insert Crosstalk Cancel
BR-S622 Normal Audio Post-Recording Crosstalk Cancel
BR-S822 Normal Audio Insert Bias Trap
BR-S822 Time Code Bias Trap
Hi-Fi Audio Carrier Frequency Check/Adjustment
Hi-Fi Audio FM Output Level Check/Adjustment
Hi-Fi Audio PB Level Check/Adjustment
Hi-Fi Audio REC FM Level
Hi-Fi Audio REC/PB Level
Video Circuit
Vcxo/Agc
Video Input Level
Y/C 443 y Input Level
E-E Color Input Level
Video Level Meter
Sub-Emphasis Input Level
Carrier and Deviation
White and Dark Clip
S-VHS Mode Detection - PB Mode
Modulation Balance
PB Sub-Demphasis
RF Equalizer
REC FM Level
REC Frequency Response
Tracking Meter
Y Output Level
PB VCO/PB Subcarrier
E-E Pilot Burst Phase
REC Color Level
DG Comp
E-E Pilot Burst Level
Color DOC
Crosstalk Cancel
Cnr
CNR Feedback Ratio
PB Pilot Burst Phase Detct
CRI Equalizer
Afc
REF. Burst
Color Output Level
Auto Equalizer
Pilot Burst Delete
S-VHS Sideband Comparator
REC Y/C Delay
PB Y/C Delay
2Fc Cancel
ADD V Pulse
On Screen
VITC SEP Clamp Voltage
Location of Test Points and Adjustment Parts
Sub Panel Circuit
Video Phase
Genlock SC Phase
Diagrams and Printed Circuit Boards
Key to Abbreviations
Replacing Subminature "Chip" Parts
Shapes of Transistors and Diodes
Locations of Circuit Boards
REC/PB y Block Diagram
REC/PB Color-1 Block Diagram
REC/PB Color-2 Block Diagram
R/P Adjust Block Diagram
Output Block Diagram
Y Comb Block Diagram
Drum/Capstan Servo Block Diagram
Hi-Fi Audio Block Diagram
Normal Audio Block Diagram
AV Micom/Onscreen Block Diagram
Syscon Block Diagram
M-CTL and Reel Servo Block Diagram
Wiring Diagram
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This manual is also suitable for:
Br-s622u
Br-s522u
Br-s525u
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