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5
A
Does CN500.
1PIN(POWER_RELAY)
HI waveform
operate?
Yes
IC115. POWER IC - CONVERTER CHECK
Is there
IC115. 3PIN(OUT)
6V?
Yes
IC111. RESET & MEMORY IC CHECK
Is IC111.
8PIN(VCC)
within 5V
?
Yes
IC108. u-COM IC CHECK
Is IC108.
15PIN(VDD),16PIN
(EVDD) within
5V?
Yes
Is there
IC108. 10PIN(X2),
11PIN(X1) output
waveform?
Yes
POWER TRANS CHECK
Is there
CP103. 2,3PIN
AC10V?
Yes
Is there
CP103. 4,6PIN
AC15V?
Yes
IC113. POWER IC - CONVERTER CHECK
Is there
IC113. 3PIN(OUT)
5V?
Yes
5
6
Check the IC108. 32PIN
No
(POWER_RLY) input and
patterns.
No
Check the parts and
patterns in the path.
Check the parts and
No
patterns in the path.
Check the IC111. 6PIN(SCL),
5PIN (SDA) HI waveform.
No
Check the parts and
patterns in the path.
No
Check the parts and
patterns in the path.
No
Check the parts in the path.
No
Check the parts in the path.
No
Check the parts in the path.
6
7
IC112. POWER IC - CONVERTER CHECK
Is there
IC112. 2PIN(OUT)
3.3V?
Yes
IC110. POWER IC - CONVERTER CHECK
Is there
IC110. 2PIN(OUT)
-12V?
Yes
IC109. POWER IC- CONVERTER CHECK
Is there
IC109. 3PIN(OUT)
12V?
Yes
To Step 6
Step 6: LCD OPERATION CHECK
LCD300
DATA LINE
CHECK
Yes
Is there
CN300. 2PIN
5V?
Yes
To Step 7
Step 7: FRONT OPERATION CHECK
CN400.
2PIN 5V
CHECK
Yes
END
F-F3-J
7
8
No
Check the parts in the path.
No
Check the parts in the path.
No
Check the parts in the path.
No
Check the parts and
patterns in the path.
Check the parts and
No
patterns in the path.
(STEP5)
Check the
No
No
parts and patterns in
the path. (STEP5)
No
Check if 17 PIN FFC CABLE
is in the correct position.
17
8
A
B
C
D
E
F
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