Sharp TM150, Service Manual

Page: 28 / 86

TM150 ADJUSTMENTS, PERFORMANCE CHECK, AND FIRMWARE UPGRADE
2 – 22
CONFIDENTIAL DRAFT
4-8-10. Camera check
The following appears.
Select a Camera mode from the pull-down menu. Click "Shutter" to check
that the camera operates properly. Click "Back to performance check
menu" to return to the previous screen.
• If a failure occurs, see "10. Pictures cannot be taken." in [3] Trouble-
shooting.
4-8-11. Memory check
Click "S-RAM" and "PSRAM" to see each test result.
For "Check Sum", the calculation appears after the SPST communicating
dialog box.
4-8-12. LCD test
Check that the specified color appears on the main display.
• If a failure occurs, see "12. The display does not appear on Main Dis-
play." and "13. The display does not appear on External Display (in 65K
color mode)." in [3] Troubleshooting.
4-8-13. Temperature adjustment
The following appears.
Setting temp. indicates the current temperature. The relative temperature is
displayed in the text box below.
(Only the relative temperature is adjustable.)
If displayed Setting temp. value differs from the current temperature, click [ b ]
or [
c
] to set a correction value in the range of -99 to +99 and click “Save”
4-8-14. Main display flicker adjustment
The following is displayed.
Check a main display visually within a distance of 20 cm from a fluorescent
light, and adjust the value to minimize flicker on the display with the [
b
] and [
c
]
buttons. Click "Save" and confirm that the main display does not flicker.
(Fine adjustment for DC voltage between display electrodes)
4-8-15. External display contrast adjustment
Click the “External display contrast adjustment” button. The following
screen appears.
Trouble found by SPST
(1)
Handset microphone
Handset receiver
(2)
Handset microphone
Hands free receiver
Troubleshooting (based on [3] Troubleshooting)
See "Phone" in the section "2. Voice transmission/recording is impossible."
See "Hands free kit (monaural headset)" in the section "3. No voice is heard
from the earpiece" or "Hands free kit (stereo headset)-Option" in the section
"3. No voice is heard from th earpiece."
See "Phone" in the section "3. No voice is heard from the earpiece."
See "Hands free kit (headset)" in the section
"2. Voice transmission/recording is impossible."
(1) & (2): No voice is heard.
(1): Voice is heard.
(2): No voice is heard.
(1): No voice is heard.
(2): Voice is heard.
(3) & (4): No voice is heard.
(3): Voice is heard.
(4): No voice is heard.
(3): No voice is heard.
(4): Voice is heard.
(3)
Hands free microphone
Hands free receiver
(4)
Hands free microphone
Handset receiver
(1) & (2): No voice is heard.
Correction value = (Setting temp.)-(current temp.)+(displayed correction value)
Enlarged view
(A black line appears
after each gradation line.)
8-level graduation pattern with alternate black and gradation lines
(black and white)