Teac T-X150 - IC Block Diagram

[-X150
10 IC BLOCK DIAGRAM
TC 9172P
‘“ :
|
PRESCALE
PLL VO POT
LOd LNNOO
10d LNNOO
TOYLNOOD
LOd WIY3SS
TEST GND VDD
TC9303AN
~ VEL
O 21
- FL DRIVER.
i EP SEAR
MARK SEG La oa DIG. GENE
y 2 =e 4.5 kHz
DATA B. =
CODE B
41_
O ’
; xX X'tal
X'tal 7.2MHz & Xoo) Oe DIVIDER
XT
KO
KI
K2
K3
STB
CK
SO
RAM 7 Ss]
! C—)
(4 x 128 WORD) foo La
eS | )
fea) PS
o 4
=
O31
MUTE
C4 La
a tal 30 Pt-2
= fi
=
: ie
é
ica 626 P24
gb 27 P22
O28 p23
poet) 59 p24
it
é
EE.
~-
JUDG E
POWER ON
RESET
STACK REG.
O
i)
vt
ja)
Q
>
18
GND