Table Of Contents - JVC HR-S10EG Service Manual

TABLE OF CONTENTS
HR-S10EG/EK
Section Title Page
Important Safety Precautions
INSTRUCTIONS
HR-S10EG/EK
TU-S10EG/EK
GENERAL DESCRIPTION
.1 GENERAL OUTLINE
2.1 Standard
+2. 2 Horizontal Correlation 2
LUMINANCE SIGNAL RECORDING SYSTEM..
3.1 Luminance Signal Recording Frequency
Characteristic (LPF)
Pre-emphasis Characteristics
White and Dark Clip Level ..
FM Carrier Frequency and Deriation
FM Signal Recording Frequency (HPF)
FM Signal Recording Amp. Characteristics
(REC AMP} ..
3.7 FM Signal Head Current (VIDEO HEAD)
LUMINANCE SIGNAL PLAYBACK SYSTEM
COLOR SIGNAL RECORDING SYSTEM
.5.1 Color Crosstalk Correction by Phase
Shift System
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1-5
1-5
1-5
1-6
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Down Converted Color Subcarrier
Frequency ..... :
5.3 Color Signai Recording Bandwidth
COLOR SIGNAL PLAYBACK SYSTEM
CONTROL SIGNAL RECORDING SYSTEM...
AUDIO SIGNAL RECORDING SYSTEM
8.1 Audio Signal Recording Level . .
8.2 Audio Signal Recording Current
Characteristics «00
CASSETTE
9.1 Video Tape
9.2 Leader Tape and Trailer Tape
9.3 Reel .
9.4 Simplified Illustrations
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MECHANICAL ADJUSTMENT
1 GENERAL
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2 Required Test Equipment, Jigs and Tools..
Precautions
1
.1.3 > Disassembly ...
PERIODIC MAINTENANCE
1
2
32 Layout of Maintenance Parts
2 Service Schedule for Main Components
MAIN ASSEMBLY REPLACEMENT
3.1 Upper Drum ...
3.2 Full Erase Head . . .
3.3 Audio/Control Head . . . NRNNONKHNNN
Section
-4.1 Loading System Timing Check
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Title Page
3.4 Pinch Roller 2-7
3.5 Capstan Motor .... 2-7
3.6 Mode Control Motor 2-7
3.7 Reel Disks 2-8
3.8 Clutches 2-8
3.9 Brush 2-9
3.10 Tension Band 2-9
3.11 Pick-up Head 2.9
CHECKS AND ADJUSTMENTS.
. 2-10
2.10
2.10
4.2 Tension Pole Position check
4,3 Take-up Torque Check
4.5 Tape Transport System Checks and
Adjustments
4.6 Interchangeability Checks and
Adjustments
3. ELECTRICAL ADJUSTMENTS
3.1
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PREPARATION
REQUIRED TEST EQUIPMENT AND
FIXTURES . ere)
2.1 Alignment tape contents . rd
SWITCHING REGULATOR SYSTEM
ADJUSTMENTS ...
3.1 8.25 V DC output voltage ..
MECHACON SYSTEM ADJUSTMENT .
4.1 Battery alarm " 4
SERVO SYSTEM ADJUSTMENTS
1 Drum pulse fevel
Capstan DISCR. position
Drum DISCR. position
PB switching point
REC switching point .
Tracking preset
CTL Head position
Reverse PB Tracking preset
©CHOYVHARWN H. discriminator
f V. pulse...
EO SYSTEM ADJUSTMENTS . .
Video head resonance & Q adjustment .....
Video E-€ level
Carrier and devi :
White clip and dark clip
AFC .
VXO (Variable Crystal Oscillator)
REC EM level ....
REC Color level ...
Converter balance .
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Noise cancel balance . .
PB Y. burst level
SECAM DET. adjust (only EG type)
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