Read Sharp UP-X200 (serv.man9) Service Manual online
UP-X200
I/O
– 15 –
8-4. TC200G04XBGPIO
TC200G04XB (Timing Generator GPIO)
8-5. ZEN0599T GPIO
ZEN0599T (I/O G/A GPIO)
Terminal names :
Signal names :
DIR:
ACT:
OFF:
Interruption :
Function/description:
TC200G04XB terminal names
UP-X200 signal names
Input/output direction seen from TC200G04XB
Active polarity
Terminal level when off
Presence/absence of interruption
Description of signal function
Terminal Name
Signal Name
Normal
OFF
Inter-
ruption
End
Terminal
Function/Description
DIR
ACT.
VSHD/GP00
LCD3V_PWR_EN
O
H
L
Liquid crystal 3.3V power supply control signal
0: Power supply OFF 1: Power supply ON
0: Power supply OFF 1: Power supply ON
VSHA_GP01
LCD5V_PWR_EN
O
H
L
Liquid crystal 5V power supply control signal
0: Power supply OFF 1: Power supply ON
0: Power supply OFF 1: Power supply ON
VSDD_GP02
LCD8V_PWR_EN
O
H
L
Liquid crystal 8V/-4V power supply control signal
0: Power supply OFF 1: Power supply ON
0: Power supply OFF 1: Power supply ON
GVSS_GP03
LCDN8_PWR_EN
O
H
L
Liquid crystal -8V power supply control signal
0: Power supply OFF 1: Power supply ON
0: Power supply OFF 1: Power supply ON
FPWM_GP04
MAX1554_EN
O
H
L
Back light power supply control signal
0: Back light OFF 1: Back light ON
0: Back light OFF 1: Back light ON
TCTL_GP05
TCTL
O
H
L
Liquid crystal display synchronous signal output
Terminal names :
Signal names :
DIR:
ACT:
OFF:
Interruption :
Function/description:
ZEN0599T terminal names
UP-X200 signal names
Input/output direction seen from ZEN0599T
Active polarity
Terminal level when off
Presence/absence of interruption
Description of signal function
Terminal Name
Signal Name
Normal
OFF
Inter-
ruption
End
Terminal
Function/Description
DIR
ACT.
P00
(Not used)
O
H/L
L
P01
(Not used)
O
H/L
H
P02
(Not used)
O
H/L
L
P03
HP_L_MUTE
O
L
L
Earphone jack L-ch mute control
0: Muted 1: Audio output
0: Muted 1: Audio output
P04
(Not used)
O
L
P05
(Not used)
O
L
P06
(Not used)
O
L
P07
(Not used)
O
L
P10
(Not used)
O
L
P11
(Not used)
O
L
P12
(Not used)
O
L
P13
(Not used)
O
L
P14
(Not used)
O
L
P15
(Not used)
O
L
P16
L3VON
O
H
L
TC6393XB liquid crystal interfaced enable signal
0: Liquid crystal I/F OFF 1: Liquid crystal I/F ON
0: Liquid crystal I/F OFF 1: Liquid crystal I/F ON
P17
BZ_VOL
O
H/L
L
Sounder volume adjustment (High/low 2 levels)
0: Low volume 1: High volume
0: Low volume 1: High volume
P20
#BAD_READ
O
L
Red LED control signal
0: LED illuminated 1: LED extinguished
0: LED illuminated 1: LED extinguished
P21
(Not used)
O
L
H
P22
(Not used)
O
L
H
P23
#GOOD_READ
O
L
Green LED control signal
0: LED illuminated 1: LED extinguished
0: LED illuminated 1: LED extinguished
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