User Guide

28
S-302
(3) Check the Set-up process of B/E μ-COM (3) B
/
E μ-COM 立ち上がりチェック工程
Check Power Supply Voltages.
電圧
1U-3808-1(MAIN UNIT) N.G Check Soldering. 1U-3808-1(MAIN UNIT) N.G
けを
[IC101]: [IC305] [IC101]: [IC305]
+3.3V_D2,+2.0V_ESS O.K.? [IC111] +3.3V_D2,+2.0V_ESS O.K.? [IC111]
O.K.
O
.
K
.
Check Clock waveform. Check 27MHz(3.3V)at (1) Check Soldering. of X101.
クク
の認ロッ
波形確
N.G
クク
の認ロッ
波形確
N.G (1) [X101]
1U-3808-1(MAIN UNIT) N.G 4pin of IC109. N.G (2) Check Soldering. of IC109 1U-3808-1(MAIN UNIT) [IC109]:4pin (2)
けを
[IC101]:49,105,116pin and [IC101]:49,105,116pin and [IC109]
117pin. 117pin.
27MHz(3.3V),O.K.? O.K.
Check Soldering. Of
27MHz(3.3V),O.K.? O.K.
半田付けを確認
IC112,R202
IC112
,
R202
O.K.
O
.
K
.
Check Reset signal. Check Soldering. RESE
T
号の
けを
1U-3808-1(MAIN UNIT) N.G IC108,R112 1U-3808-1(MAIN UNIT) N.G IC108,R112
[IC101]:[BE_RST]24 pin. [IC101]:[BE_RST]24 pin.
"H"level O.K.? "H"level O.K.?
O.K.
O
.
K
.
Check I
C Signal. Check Soldering. I
C信号の確認 半田付けを確認
1U-3808-1(MAIN UNIT) 1U-3808-1(MAIN UNIT) 1U-3808-1(MAIN UNIT) 1U-3808-1(MAIN UNIT)
[IC101]: N.G [IC104] [IC101]: N.G [IC104]
"H"level at 160pin and 161pin. CX801 "H"level at 160pin and 161pin. CX801
O.K.
O
.
K
.
1U-3808-1(MAIN UNIT) Check Soldering at Address,Data Bus,Control Signal. 1U-3808-1(MAIN UNIT)
けを
Check Address,Data Bus between 1U-3808-1(MAIN UNIT) [IC101]
[1C102]
[IC103]間の 1U-3808-1(MAIN UNIT)
[IC101],[1C102]and[IC103] N.G [LD0-LD7],[LCS3,LOE]
ドデ
レス、
タバ
スの N.G [LD0-LD7],[LCS3,LOE]
O.K.
O
.
K
.
Check controll signal. Check Soldering.
制御信
号の
けを
1U-3808-1(MAIN UNIT) N.G IC105 1U-3808-1(MAIN UNIT) N.G IC105
[IC105]:[BE_ON]19 pin. [IC105]:[BE_ON]19 pin.
"H"level O.K.? "H"level O.K.?
END