2-3
2.1.5
Maintenance and inspection
1. Location of major mechanical parts
In this chapter, the two mechanism speeds are described by comparing the speeds of the standard type and the high-speed
FF/REW type.
It is possible to distinguish between these two types of mechanism by the diameters of their capstan pulleys.
The capstan pulley diameter for the standard type is approx. 32 mm.
The capstan pulley diameter for the high-speed FF/REW type is approx. 43 mm.
For information on the different parts used in the two mechanism types, please refer to the “Replacement of major parts”.
Fig. 2-1-5a Mechanism assembly top side
Stator assembly
UV catcher2 (supply and take-up side)
Drum assembly
Head base
A/C head
Loading motor
Pinch roller arm
assembly
Guide pole guard
Press lever
assembly
Lid guide
Guide arm
assembly
Reel disk
(take-up side)
Sub brake assembly
(take-up side)
Main brake assembly
(take-up side)
Idler arm assembly
Idler lever
Main brake assembly
(supply side)
Reel disk
(supply side)
Rec safety lever
Tension brake
assembly
Adjust pin
Tension arm
assembly
Pole base assembly
(supply side)
Full erase head
Pole base assembly (take-up side)
T1
T26
T25
T24
T23
T22
T2
T3
T5
T7
T8
T9
T10
T11
T12
T13
T14
T15
T16
T18
T20
T17
T19
T21
T6
Fig. 2-1-5b Mechanism assembly bottom side
Belt
(loading motor)
Capstan motor
Belt (capstan)
Capstan brake assembly
Loading arm gear (take-up side)
Loading arm gear (supply side)
Plate
(supply side)
Control plate
Worm gear
Control cam
Cassette gear
Rotary encoder
Change lever assembly
Clutch unit
Take-up lever
Take-up head
Control
bracket1
Tension arm
bearing
B1
B22
B3
B5
B6
B7
B8
B9
B10
B12
B15
Rotary encoder guide
B16
B17
B18
Brake lever
B19
B20
B21
B14
B11
B4
B2
Direct gear
B13
Link lever
Summary of Contents for HR-S9850EK
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