Specifications

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Generally, check the machine with the followning steps for repair.
Main battries 9V?
Key input OK?
No
Save data to SF-5600AR if necessary.
Current consumption OK?
Follow repair section 2.
Follow repair section 3.
No
Replace main battries (CR2032 3pcs.)
Display OK?
Load data from SF-5600AR if necessary.
Yes
Yes
Yes
Data OK?
END
No
Follow repair section 1.
CONDITION : Main battery switch ON
(Clean and adjust battery contact.)
Reset operation
Yes
Repair section 1 : For no key input problem
No
Yes
No
START
1
Yes
START
No
11. TROUBLESHOOTING
Key input OK?
Pin 62 of SSC2571F0A "L" ?
Poor connection?
Solder line
No
Replace parts.
Yes
1
Poor connection?
Solder line
No
Replace parts.
Yes
1
Pin 36 of HD62076C03 "L" ?
Poor connection?
Solder line
No
Replace parts.
Yes
1
Pin 54 of HD62076C03 "L" ?
Yes
Yes
Yes
2
No
No
No