23
RCD-M37 / RCD-M37DAB / D-E500 / D-M37
TROUBLE SHOOTING
トラ
ルシューティン
1. LCD dosen't light
1. LCD
せ
Check Power Supply Voltages for System uCOM.
MCU_CD_USB B'D
N.G
Check Soldering.
䊶
ST+3.9V, CN96 1pin
䊶 䌃䌎
96
䇭
1
䌰䌩䌮
䊶
D204 cathode
䊶
SUB TRANS B'D
O.K.
Check Reset signal for System uCOM.
MCU_CD_USB B'D
N.G
Check Soldering.
䊶
[IC24]:30pin RESET
䊶
IC20 on MCU_CD_USB B'D
"H"level O.K.?
O.K.
Check Oscillation waveform.
MCU_CD_USB B'D
N.G
Check Soldering.
䊶
[IC24]:26pin
䊶
X202 on MCU_CD_USB B'D
27MHz OK?
O.K.
Check Power On Signal.
MCU_CD_USB B'D
N.G
Check Soldering.
䊶
[IC24]:9pin P_DWN
䊶
CN96 on MCU_CD_USB B'D
"H"level OK?
䊶
SUB TRANS B'D
O.K.
Check Power Supply Voltages for FLD.
Check Soldering.
FRONT B'D
䊶
FRONT B'D BN82 7pin +VKK
䊶
FL81]:38pin HV
䊶
FRONT B'D BN82 8pin FL1-9pin FL2
䊶
FL81]:37pin VDD
䊶
FRONT B'D WF81 5pin VFD_5V
䊶
[FL81]:between 1pin F1-43pin F2
N.G
䊶
AMP B'D CN95 8pin AC15V
䊶
AMP B'D ,CN82 7pin
䇭
+VKK
䊶
MCU_CD_USB B'D WN81 1pin VFD+5V
䊶
POWER B'D
Check Parts
䊶
AMP B'D
㩷
Q703,D702,,D705, D703,D704 OK?
O.K.
Check Reset Signal for FLD.
Check Soldering.
FRONT B'D
N.G
䊶
FRONT B'D
WF81 3pin, VFD_RST1
䊶
FL81
35pin /RST
䊶
MCU_CD_USB B'D WN81 3pin VFD_RST
Hlevel O.K.?
䊶
IC24 on MCU_CD_USB B'D
Check Parts
䊶
FRONT B'D
Q804 OK?
O.K.
Check FLD dirive Signal for FLD.
Check Soldering.
FRONT B'D
N.G
䊶
FRONT B'D
WF81 4,5,6pin,
䊶
FL81
32,33,34pin DA,CP,CS
VFD_CE,VFD_CLK,VFD_DI
䊶
MCU_CD_USB B'D WN81 4,5,6pin,
VFD_CE,VFD_CLK,VFD_DI
䊶
IC24 on MCU_CD_USB B'D
Check
Parts
䊶
FRONT B'D
Q801,802,803 OK?
END
トラブルシューティング
トラブルシューティング
1. LCD点灯せず
システムマイコン用電源電圧確認
MCU̲CD̲USB B'D
N.G
半田付けを確認
・ ST+3.9V, CN96 1pin
・ CN96 1pin
・ D204 カソード
・ SUB TRANS B'D
O.K.
システムマイコン用RESET信号の確認
1U-3846-1(MAIN UNIT)
N.G
半田付けを確認
・ [IC24]:30pin RESET
・ IC20 on MCU̲CD̲USB B'D
"H"level O.K.?
O.K.
発振波形確認
1U-3846-1(MAIN UNIT)
N.G
半田付けを確認
・ [IC24]:26pin
・ X202 on MCU̲CD̲USB B'D
27MHz OK?
O.K.
POWER ON 信号の確認
MCU̲CD̲USB B'D
N.G
半田付けを確認
・ [IC24]:9pin P̲DWN
・ CN96 on MCU̲CD̲USB B'D
"H"level OK?
・ SUB TRANS B'D
O.K.
LCD用電源電圧確認
半田付けを確認
・ FL81]:38pin HV
・ FRONT B'D BN82 7pin +VKK
・ FL81]:37pin VDD
・ FRONT B'D BN82 8pin FL1-9pin FL2
・ [FL81]: 1pin F1-43pin F2
・ FRONT B'D WF81 5pin VFD̲5V
N.G
・ AMP B'D CN95 8pin AC15V
・ AMP B'D ,CN82 7pin +VKK
・ MCU̲CD̲USB B'D WN81 1pin VFD+5V
・ POWER B'D
部品確認
・ AMP B'D
Q703,D702,,D705, D703,D704 OK?
O.K.
FLD用RESET信号の確認
半田付けを確認
FRONT B'D
N.G
・ FRONT B'D
WF81 3pin, VFD̲RST1
・ FL81
35pin /RST
・ MCU̲CD̲USB B'D WN81 3pin VFD̲RST
Hlevel O.K.?
・ IC24 on MCU̲CD̲USB B'D
部品確認
・ FRONT B'D
Q804 OK?
O.K.
FLD用ドライブ信号の確認
半田付けを確認
FRONT B'D
N.G
・ FRONT B'D
WF81 4,5,6pin,
・ FL81
32,33,34pin DA,CP,CS
VFD̲CE,VFD̲CLK,VFD̲DI
・ MCU̲CD̲USB B'D WN81 4,5,6pin,
VFD̲CE,VFD̲CLK,VFD̲DI
・ IC24 on MCU̲CD̲USB B'D
部品確認
・ FRONT B'D
Q801,802,803 OK?
終了
Содержание D RCD-M37
Страница 4: ...4 RCD M37 RCD M37DAB D E500 D M37 DIMENSION ...
Страница 29: ...29 RCD M37 RCD M37DAB D E500 D M37 BLOCK DIAGRAM ...
Страница 32: ...32 RCD M37 RCD M37DAB D E500 D M37 TMP92FD28AFG Block diagram ...
Страница 33: ...33 RCD M37 RCD M37DAB D E500 D M37 TMP92FD28AFG Pin function ...
Страница 34: ...34 RCD M37 RCD M37DAB D E500 D M37 ...
Страница 35: ...35 RCD M37 RCD M37DAB D E500 D M37 TC94A70FG IC27 ...
Страница 45: ...45 RCD M37 RCD M37DAB D E500 D M37 TA2125AF IC34 TA2125AF Terminal Function ...
Страница 46: ...46 RCD M37 RCD M37DAB D E500 D M37 AK4385 IC15 ...
Страница 48: ...48 RCD M37 RCD M37DAB D E500 D M37 MEMO ...
Страница 49: ...49 RCD M37 RCD M37DAB D E500 D M37 PRINTED WIRING BOARDS MCU UNIT 1 2 COMPONENT SIDE ...
Страница 50: ...50 RCD M37 RCD M37DAB D E500 D M37 MCU UNIT 2 2 FOIL SIDE ...
Страница 51: ...51 RCD M37 RCD M37DAB D E500 D M37 INPUT UNIT 1 2 COMPONENT SIDE ...
Страница 52: ...52 RCD M37 RCD M37DAB D E500 D M37 INPUT UNIT 2 2 FOIL SIDE ...
Страница 53: ...53 RCD M37 RCD M37DAB D E500 D M37 MAIN UNIT ...
Страница 54: ...54 RCD M37 RCD M37DAB D E500 D M37 MEMO ...
Страница 67: ...67 RCD M37 RCD M37DAB D E500 D M37 MEMO ...
Страница 81: ...81 RCD M37 RCD M37DAB D E500 D M37 WIRING DIAGRAM ...