Sony PVW-2800 User manual

VIDEOCASSETTE RECORDER
PVW-2800
SERVICE MANUAL
Volume 2 2nd Edition (Revised 1)
Serial No. 14418 and Higher
(USA CANADA)
Serial No. 11531 and Higher
(JAPAN)
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PVW-2800
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1
PVW-2800
Table of Contents
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Volume 2
14. Block Diagram
Overall..................................................................................................................14-2
CTDM, DEC ........................................................................................................14-5
RF.........................................................................................................................14-8
PB RF EQ, DEMOD............................................................................................14-9
Encode, Output...................................................................................................14-12
CTDM, TBC (1).................................................................................................14-13
CTDM, TBC (2).................................................................................................14-16
Audio (1)............................................................................................................14-19
Audio (2)............................................................................................................14-22
System Control (1) .............................................................................................14-23
System Control (2) .............................................................................................14-26
Servo ..................................................................................................................14-30
15. Board Layout
VRA-3..................................................................................................................15-2
RP-57 ...................................................................................................................15-6
VP-33 ...................................................................................................................15-8
TBC-18...............................................................................................................15-12
CP-166 ...............................................................................................................15-16
AU-148...............................................................................................................15-18
AU-149...............................................................................................................15-20
AU-150...............................................................................................................15-22
CP-167 ...............................................................................................................15-24
DP-138 ...............................................................................................................15-26
MA-44, VR-116.................................................................................................15-27
SS-48..................................................................................................................15-28
PTC-39, DP-139, KY-210..................................................................................15-32
DR-118...............................................................................................................15-34
HC-14.................................................................................................................15-36
SW-444 ..............................................................................................................15-37
Frame (1)............................................................................................................15-38
Frame (2)............................................................................................................15-41
MB-322..............................................................................................................15-42
2 PVW-2800
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3
PVW-2800
16. Schematic Diagram
VRA-3..................................................................................................................16-3
RP-57 .................................................................................................................16-14
VP-33.................................................................................................................16-19
TBC-18...............................................................................................................16-35
CP-166 ...............................................................................................................16-44
AU-148...............................................................................................................16-45
AU-149...............................................................................................................16-49
AU-150...............................................................................................................16-52
CP-167 ...............................................................................................................16-56
VR-116...............................................................................................................16-58
DP-138, MA-44..................................................................................................16-59
SS-48..................................................................................................................16-60
KY-210, DP-139, PTC-39..................................................................................16-76
DR-118...............................................................................................................16-78
HC-14.................................................................................................................16-86
SW-444 ..............................................................................................................16-89
MB-322..............................................................................................................16-90
Frame ...............................................................................................................16-100
17. Semiconductor Pin Assignment
18. Replaceable Part and Optional Fixture
18-1. Notes on Repair Parts................................................................................18-1
18-2. Exploded View..........................................................................................18-2
Reel Chassis (1)......................................................................................18-4
Reel Chassis (2)......................................................................................18-6
Drum & Cleaning Roller Assembly........................................................18-8
Head & Pinch Press Assembly .............................................................18-10
Rail & Slider Assembly........................................................................18-12
Threading Ring.....................................................................................18-14
Threading Gear Box Assembly.............................................................18-16
Tension Regulator Assembly................................................................18-18
Reel Chassis (3)....................................................................................18-20
Cassette Compartment Assembly .........................................................18-22
Chassis & Ornamental Panel Block......................................................18-24
Card Rack Block...................................................................................18-26
Front Panel Block .................................................................................18-28
Function Control Panel Block...............................................................18-30
Rear Panel Block ..................................................................................18-32
18-3. Electrical Parts List.................................................................................18-35
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14-1
14-1
PVW-2800
Section 14
Block Diagram
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14-2
14-2
PVW-2800
Overall (1/2) Overall (1/2)
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14-3
14-3
PVW-2800
Overall (1/2) Overall (1/2)
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14-4
14-4
PVW-2800
Overall (2/2) Overall (2/2)
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14-5
14-5
PVW-2800
CTDM, DEC CTDM, DEC
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14-6
14-6
PVW-2800
CTDM, DEC CTDM, DEC
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14-7
14-7
PVW-2800
CTDM, DEC CTDM, DEC
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14-8
14-8
PVW-2800
RF RF
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14-9
14-9
PVW-2800
RF PB RF EQ, DEMOD
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14-10
14-10
PVW-2800
PB RF EQ, DEMOD PB RF EQ, DEMOD
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14-11
14-11
PVW-2800
PB RF EQ, DEMOD PB RF EQ, DEMOD
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14-12
14-12
PVW-2800
Encode, Output Encode, Output
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14-13
14-13
PVW-2800
Encode, Output CTDM, TBC (1)
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14-14
14-14
PVW-2800
CTDM, TBC (1) CTDM, TBC (1)
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