Capstan Speed Adjustment - Sony DTC-1000ES Service Manual

+-24.
Ccpstan Speed Adrwtnent h 1)
Adjustncnt
1. Connect a frequeney counter to pin 3 (CFG)
of CNT53.
2. ftrn
on the power sr,rritch, insert blank tape
TY-308, and put the set into the PLAY ( > )
mode.
3. Adjnst RV505 so that the frequeney eounter
reading is 6?8 * I Hz.
Note: When performing this adjustment, be
sure to adjust the capstan speed at
x 1 . 5 , x 2 . 5 , a n d x 1 6 .
Adjustmeat Point
MD servo board (eomponent side)
o8
n
IU
oor-
RV505
oo
o
o
o
o
o
1-2-I.
Capstan Spced Adjwtueat
(r 15)
Adjustment
1. Conneet a frequency counter to pin 3 (CFC)
of CNT53.
2. lrrn on the power switch, insert blank tape
TY-308 (for 1.5 times normal spæd), and put
the set into the PLAY ( ) ) mode.
3. Adjust RV504 so that the frequeney eounter
reading is 101? t Z H?-
Note: When recognition
hole
(3)
of blank
tape TY-308
is opened, the set is into
the 1.5 times normal speed mode.
When the
hole
is
blocked using an
adhesive tape, the mode is changed
from 1.5 tirnes normal speed to normal
speed (xl ).
Adjnstoent Point
MD senvo board (component side)
Reeognition hole (3)
oo
08
o
I
o88
I
R V 5 0 4
o
o
o 0
-23-