Samsung SGH-X680 Service Manual page 46

Gsm telephone
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Flow Chart of Troubleshooting
UCP201 (HPE)
CP_WEN
CP_OEN
FLASH_RESET
ROM1_CS
ROM2_CS
RAM1_CS
MV_CS
LOWER_BYTE
UPPER_BYTE
C12
A_D10
D(10)
A12
D(11)
A_D11
F12
A_D12
D(12)
D12
A_D13
D(13)
E13
A_D14
D(14)
D13
A_D15
D(15)
D14
A_WEN
3
B14
A_OEN
E14
PIO30_WAITN
H14
FLASHRSTN
A14
A_CS0N
C15
A_CS1N
G14
A_CS2N
J14
A_CS3N
D15
A_CS4N
C16
A_CS5N
F15
A_CS6N
B17
A_CS7N
H16
A_BE0N
A17
A_BE1N
SIMCLK
SIMDATA
SIMRST
USB_SUSP
3
10-9

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