Sony UP-890CE Service Manual page 36

PSTS23C (MITSUMI) 4.5V
SYSTEM RESETTING DEVICE
MITSUM))
REF.; REFERENCE VOLTAGE
SN74HCI4ANS (T!) FLAT PACKAGE
C-MOS HEX SCHMITT TRIGGER INVERTERS
—TOP VIEW—
[vu
[2.0v Jo.rsv)i.25v |
[aly] fasv [sev] erv|
fol] [s.ov [z-ev] sev]
Ls To)
O;LOW LEVEL 1 VIN
1; HIGH LEVEL Vn oe
NOTE :
[re |
| TC74AGNHC | 42 10 +5.5V_|
OTHER TYPES
SN74HC74ANS (TI) FLAT PACKAGE
C-MOS DUAL D-TYPE FLIP-FLOPS WITH DIRECT SET/RESET
—TOP VIEW—
loutPuTS
SoD 0 fOn+1 nt t]
O;LOW LEVEL
1; HIGH LEVEL
X;O0ON'T CARE
NOTE:
+2 10 +5.5V
TA7812S (TOSHIBA) + 12V (1 A)
POSITIVE VOLTAGE REGULATOR
—FRONT VIEW—
TLSS01CDWA (TI)
6-BIT A/D CONVERTER
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