Semiconductor Information - Tandy 26-3334 Service Manual

SEMICONDUCTOR INFORMATION
This section contains
ICs
and
Transistors which differ
from the NTSC version.
IC40: MC7812CT
Input
GND
Output
INPUT
E
fTEFE
HENCE
VOLTAGE
ABC
COMPEN-
SATION
THERMAL
OVERLOAD
PPOTECTlON
3
IC101: MC14569BCP
CO
[9
CFfT
t>PA1
DPA2 DPA3 DPA4 CTLa CTL
b
Dpbi Dps
2
DPB3 DpB4
fal
[41
fBl fel
mfTol
liTI IJ51 IibI
ISI
1
1
BINARY
to
JOHNSON
ENCODER
JLllillxi
BCD/BINARY
HIGHSPEED
JOHNSON COUNTER
CLOCK
PE
t
t i
t
4 BIT
BCD/BINARY
SYNCHRONOUS
8]Vdd
^
PRESET ENABLE
(INCLUDING EARLY
ZEflO DETECTION)
—
»H
p EOUT
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