6-3
6. TROUBLE DIAGNOSIS
NO Power On
The Voltage Of
Between
ⓐ
and
ⓑ
Is
As Big As 12V?
Check The Trans
YES
NO
6-2. PROBLEM CHECKING AND METHOD OF PCB
6-2-1. The Part Of Power Source
YES
The Voltage Of
Between
ⓒ
and
ⓓ
Is
As Big As 12V?
Check The Condenser(CE3)
YES
NO
The Voltage Of
Between
ⓔ
and
ⓓ
Is
As Big As 5V?
Exchange IC5 (7805) And
Check The
Condenser(CE4)
NO
6-2-2. Reset Part
The Value Of
Measurement Result Of
Between Micom 8 And
Gnd Is 5V?
Check The Power Source
NO
YES
Check IC7
Summary of Contents for WF-F125AV
Page 1: ...9 1 9 BLOCK DIAGRAM ...
Page 2: ...9 2 9 BLOCK DIAGRAM Memo ...
Page 6: ...13 1 13 CIRCUIT DESCRIPTIONS 13 1 OVERALL SYSTEM DIAGRAM ...
Page 23: ...7 3 7 EXPLODED VIEWS AND PARTS LIST Memo ...
Page 28: ...7 8 7 EXPLODED VIEWS AND PARTS LIST Memo ...
Page 64: ...10 SCHEMATIC DIAGRAM 10 1 10 SCHEMATIC DIAGRAM 10 1 EMZ NOT USE IN THIS MODEL ...
Page 65: ...10 SCHEMATIC DIAGRAM 10 2 10 2 ROLD WF7452S9R C WF7450S9C ...
Page 74: ...10 SCHEMATIC DIAGRAM 10 1 10 SCHEMATIC DIAGRAM 10 1 EMZ NOT USE IN THIS MODEL ...
Page 75: ...10 SCHEMATIC DIAGRAM 10 2 10 2 ROLD WF7452S9R C WF7450S9C ...
Page 78: ...7 3 7 EXPLODED VIEWS AND PARTS LIST Memo ...
