Sharp GX20 Service Manual - Page 76

Basic Operation Test

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GX20 1. Basic Operation Test CONFIDENTIAL Fit a battery or a dummy battery in the set. Hold down the "End/Power" key to start up in the general mode. Then enter AT+XDIAG without pressing any key. → Start up in the general function test mode. (3 sec. until startup) • Back light lights up in the standby mode. • After startup, "Function Mode * GX20 *" is displayed. Serial Signal Format for Basic Operation Test Item Main display Back light Incoming Serial Signal Command n LED 0 1 2 Red LED STROBOR 0 1 2 Green LED STROBOG 0 1 2 Blue LED STROBOB 0 1 External dis- BKLED 0 play back 1 light Key back light KLED 0 LED 1 Measuring OUT32K 1 RTC clock 0 Battery volt- BATVAL age check RTC Test (Writing) RTCWR None yymm ddhh mmss RTC Test (Reading) RTCRD Temperature A/D Adjustment TMPAD Temperature TMP check None 4 3 2 1 n Outgoing Serial Signal Response OFF Main display back light (Brightness 4) ON Main display standby ON STROBORn STROBOGn STROBOBn BKLEDn KLEDn OUT32Kn Okn.nn OK RTC yymmddhhmmss ADSETOK TMPADH TMPADL TMPADRDY TMPnxx: Temperature NG: Except 0 - 50 ºC Contents Test Method OFF Main display back light (Brightness 4) ON. Main display standby ON. Red OFF Red strobe light ON (IC402 control). Red strobe light ON (IC104 control). Green OFF Green strobe light ON (IC402 control). Green strobe light ON (IC 103 control). Blue OFF Blue strobe light ON (IC402 control). External display back light OFF. External display back light ON. OFF ON 32 kHz Output (MON Output) 32 kHz Stop (Returned to ALT1) Reading down to the last two digits of voltage. Writing time of day "yymmddhhmmss" to RTC. Reading time of day "yymmddhhmmss" from RTC. Adjustment mode ended. *2 2.2 V Measurement started. 0.4 V Measurement started. Checking for the main display back light *1 LED0: Display back light OFF LED1: ON (Brightness 4) LED2: Standby ON Checking for the red strobe light *1 STROBOR0: OFF STROBOR1: Strobe light ON STROBOR2: Charge LED ON Checking for the green strobe light *1 STROBOG0: OFF STROBOG1: Strobe light ON STROBOG2: Incoming LED ON Checking for the blue strobe light *1 STROBOB0: OFF STROBOB1: Strobe light ON Checking for the external display back light *1 BKLED0: OFF BKLED1: LED ON Checking for the key back light *1 KLED0: OFF KLED1: LED ON Checking frequency of the real time clock. Normal: When OUT32K1 is transmitted, TP109 frequency is 32.768 kHz ±1.11 kHz. Reading the voltage of the battery power line. BATVAL is transmitted, "OK" and the voltage value are returned. Writing time to the clock. When RTCWR yymmddhhmmss is transmitted, yy (year), mm (month), mm (hour), and ss (minute) are written. (Writing yy=03 for 2003) Reading time of the clock. When RTCRD is transmitted, time of day is read out. Refer to the "Adjustment procedures after replacement of parts" on pages 2 - 36 to 2 - 38. Adjustment mode started. Temperature readout. (0 °C min.) n=1: Camera n=2: Battery Reading temperature measured by the temperature sensor. When TMP is transmitted, TM and temperature are returned. In case of other than 0 - 50 °C, "NG" is returned. 2 - 70

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GX20
2 – 70
CONFIDENTIAL
1. Basic Operation Test
<Startup and initial condition>
Fit a battery or a dummy battery in the set. Hold down the “End/Power” key to start up in the general mode.
Then enter AT+XDIAG without pressing any key.
→
Start up in the general function test mode. (3 sec. until startup)
•
Back light lights up in the standby mode.
•
After startup, “Function Mode * GX20 *” is displayed.
Serial Signal Format for Basic Operation Test
Item
Incoming Serial Signal
Outgoing Serial Signal
Contents
Test Method
Command
n
Response
Main display
Back light
LED
0
1
2
OFF
Main display back light
(Brightness 4) ON
Main display standby ON
OFF
Main display back light
(Brightness 4) ON.
Main display standby ON.
Checking for the main display back
light *1
LED0: Display back light OFF
LED1: ON (Brightness 4)
LED2: Standby ON
Red LED
STROBOR
0
1
2
STROBORn
Red OFF
Red strobe light ON
(IC402 control).
Red strobe light ON
(IC104 control).
Checking for the red strobe light *1
STROBOR0: OFF
STROBOR1: Strobe light ON
STROBOR2: Charge LED ON
Green LED
STROBOG
0
1
2
STROBOGn
Green OFF
Green strobe light ON
(IC402 control).
Green strobe light ON
(IC 103 control).
Checking for the green strobe light
*1
STROBOG0: OFF
STROBOG1: Strobe light ON
STROBOG2: Incoming LED ON
Blue LED
STROBOB
0
1
STROBOBn
Blue OFF
Blue strobe light ON
(IC402 control).
Checking for the blue strobe light
*1
STROBOB0: OFF
STROBOB1: Strobe light ON
External dis-
play back
light
BKLED
0
1
BKLEDn
External display back light OFF.
External display back light ON.
Checking for the external display
back light *1
BKLED0: OFF
BKLED1: LED ON
Key back light
LED
KLED
0
1
KLEDn
OFF
ON
Checking for the key back light *1
KLED0: OFF
KLED1: LED ON
Measuring
RTC clock
OUT32K
1
0
OUT32Kn
32 kHz Output (MON Output)
32 kHz Stop (Returned to ALT1)
Checking frequency of the real
time clock.
Normal: When OUT32K1 is trans-
mitted, TP109 frequency is 32.768
kHz ±1.11 kHz.
Battery volt-
age check
BATVAL
None
Okn.nn
Reading down to the last two digits
of voltage.
Reading the voltage of the battery
power line. BATVAL is transmitted,
“OK” and the voltage value are
returned.
RTC Test
(Writing)
RTCWR
yymm
ddhh
mmss
OK
Writing time of day
“yymmddhhmmss” to RTC.
Writing time to the clock.
When RTCWR yymmddhhmmss is
transmitted, yy (year), mm
(month), mm (hour), and ss
(minute) are written. (Writing yy=03
for 2003)
RTC Test
(Reading)
RTCRD
None
RTC yymmddhhmmss
Reading time of day
“yymmddhhmmss” from RTC.
Reading time of the clock. When
RTCRD is transmitted, time of day
is read out.
Temperature
A/D Adjust-
ment
TMPAD
4
3
2
1
ADSETOK
TMPADH <Readout AD
value>
TMPADL <Readout AD
value>
TMPADRDY
Adjustment mode ended. *2
2.2 V Measurement started.
0.4 V Measurement started.
Adjustment mode started.
Refer to the “Adjustment proce-
dures after replacement of parts”
on pages 2 – 36 to 2 – 38.
Temperature
check
TMP
n
TMPnxx: Temperature
NG: Except 0 – 50 ºC
Temperature readout. (0 °C min.)
n=1: Camera
n=2: Battery
Reading temperature measured by
the temperature sensor.
When TMP is transmitted, TM and
temperature are returned. In case
of other than 0 – 50 °C, “NG” is
returned.