2-1-1
U25MEN
STANDARD MAINTENANCE
Service Schedule of Components
Notes:
1.Clean all parts for the tape transport (Upper Drum with Video Head / Pinch Roller / Audio Control Head / Full
Erase Head) using 90% lsopropyl Alcohol.
2.After cleaning the parts, do all DECK ADJUSTMENTS.
3.For the reference numbers listed above, refer to Deck Exploded Views.
* B73 ------ Recording Model only
H: Hours : Check
I
: Change
Deck
Periodic Service Schedule
Ref.No.
Part Name
1,000 H
2,000 H
3,000 H
4,000 H
B2
Cylinder Assembly
I
I
B3
Loading Motor Assembly
I
B8
Pulley Assembly
I
I
B27
Tension Lever Sub Assembly
I
I
B31
AC Head Assembly
I
B573,B574
Reel S, Reel T
I
B37
Capstan Motor
I
I
B52
Cap Belt
I
I
*B73
FE Head
I
B133
Idler Assembly
I
I
B410
Pinch Arm (A) Assembly
I
I
B414
M Brake S Assembly
I
I
B416
M Brake T Assembly
I
I
B525
LDG Belt
I
I
Summary of Contents for 25A-664
Page 22: ...1 8 3 1 8 4 1 8 5 HC4S4SCM1 Main 1 5 Schematic Diagram ...
Page 23: ...1 8 6 1 8 7 1 8 8 HC4S4SCM2 Main 2 5 Schematic Diagram ...
Page 24: ...1 8 9 1 8 10 1 8 11 HC4S4SCM3 Main 3 5 Schematic Diagram ...
Page 26: ...Main 5 5 Schematic Diagram 1 8 15 1 8 16 HC4S4SCM5 ...
Page 27: ...VPS Schematic Diagram 1 8 17 1 8 18 HC4S4SCV ...
Page 28: ...1 8 19 1 8 20 HC4S4SCF Function Schematic Diagram ...
Page 29: ...AFV Schematic Diagram 1 8 21 1 8 22 HC4S4SCAFV ...
Page 30: ...Jack Schematic Diagram 1 8 23 1 8 24 HC4S4SCJ ...
Page 31: ...1 8 25 1 8 26 Function CBA Top View Function CBA Bottom View BHC400F01018 B ...
Page 33: ...1 8 29 1 8 30 Jack CBA Top View Jack CBA Bottom View BHC400F01018 E ...
Page 54: ...2 4 6 U25PALDA S 12 19 Cap Belt Fig DM11 Fig DM12 20 C 1 21 ...
Page 60: ...3 1 1 HC4C0FEX A1X EXPLODED VIEWS Front Panel ...
Page 81: ...25A 664 HC4S4ED ...