vi
Model
280B
ILLUSTRATIONS (Continued)
8-15
Transport
Assembly (2
of
2)
.....................
.
8-32
8-16
Transport
Subassembly (sheet 1
of
2)
..............
.
8-35
8-16
Transport
Subassembly,
(sheet
2
of
2)
..............
.
8-37
8-17
Interconnecting
Cable Assembly
..................
.
8-39
8-18
Tape
Break
Switch Assembly
.................
.. ..
.
8-41
8-19
Transport
Control
Chassis Assembly
.....
.
.........
.
8-43
8-20
Capstan
Motor
Kit
.............................
.
8-45
8-21 Pinch
Roller
Assembly
................
.
.........
.
8-47
8-22
Dancer
Assembly
........................
.....
. .
8-49
8-23
Tape
Break
Arm
Assembly
......................
. .
8-51
8-24 Head Bridge Assembly
.....................
....
. .
8-55
8-25
Pinch
Roller
Connecting
Rod
Assem bly
...........
. . .
8-57
8-26
ATL
Solenoid
Assembly
...................
. .
...
.
8-59
8-27
Primary
Power
Supply
.....................
...
..
.
8-63
8-28
Torque
Motor
& Brake Assembly,
Supply
..........
. 8-65
8-29
Torque
Motor
and
Brake Assembly, Take-Up
........
.
8-67
8-30
ATL Linkage Assembly
.........................
.
8-69
8-31
Turntable
Reel Assembly
Parts
Location
............
.
8-70
8-32
Transport
Control
Logic
PW
A . . . . . . . . . . . . . .
......
. 8-75
8-33
Switch Plate Assembly
..........................
. 8-77
8-34
Transport
Control
Logic Harness Assembly
..........
.
8-79
8-35
Transport
Control
Power
Harness Assembly
.........
. 8-81
8-36
Capstan
Motor
Assembly
........................
. 8-
83
8-37 Scrape
Filter
Assembly
......................
.
..
.
8-85
8-38
Record
Head
Assembly
.......................
. . .
8-87
8-39
Playback Head Assembly
........................
.
8-89
8-40
Head Cable Assembly .
...
.......................
.
8-91
8-41
Erase
Head
Assembly
...........................
. 8-93
8-42
PWB
and
Erase Head Cable Assembly, Full-Track
.....
.
8-95
8-43
PWB
and
Erase Head Cable Assembly, 4-Track
.......
.
8-97
8-44
Power
Supply
PW
A
............................
.
8-99
8-45
Torque
Motor
Assembly
........................
.
8-101
8-46
Torque
Motor
Brake
Plate
Assembly
...............
.
8-103
8-47
Motion
Direction
Sensor
PW
A
....................
.
8-104
8-48
Solenoid
Brake
Plate
Assembly
....................
.
8-105
8-49
Brake
Plate
Assembly.
'
..........................
.
8-106
8-50
Electronics
Assembly, Primary
....................
.
8-107
8-52
Electronics
Chassis Subassembly
..................
. 8-111
8-53
Bias Amplifier,
Schematic
Diagram
................
.
8-115
8-54
Motherboard
PW
A
.............................
.
8-119
8-55
Regulator,
Bias Oscillator
and
Amplifier PWA
........
.
8-125
8-56
Record/Playback
Control
Panel Assembly
...........
.
8-129
8-57
Record/Playback
Equalization
PW
A
................
.
8-133
8-58
Record/Playback
PWB
Subassembly
...............
.
8-135
8-59
Control
Panel Harness
..........................
.
8-137
8-60
Squelch
PW
A
...
'
..............................
.
8-139