Kenwood DP-1100 B Service Manual page 101

D P - 1 1 0 0 B II
2. IC OPERATION OF EACH CIRCUIT AND PIN DESCRIPTION
Operation timing w h e n c h a n n e l - 1 6 total play time data of
9 5 min 3 4 s e c is w r i t t e n
• T h e h e a d c o l u m n address for e a c h c h a n n e l is represented
by a h e x a d e c i m a l n u m b e r . For this p u r p o s e , the result of
s u b t r a c t i o n by 1 f r o m c h a n n e l data (CH 1 t o CH 16) is c o n ­
v e r t e d t o a h e x a d e c i m a l n u m b e r , t o w h i c h H ' 8 0 is t h e n a d d ­
e d . T h u s , t h e result of this a d d i t i o n is used as this head c o l ­
u m n a d d r e s s . In this case (CH 1 6 ) , t h e r e f o r e , the head c o l ­
u m n a d d r e s s is H ' F 8 .
0 4
Fig. 2 - 3 - 6 C