File name p61_p68.pdfRepair Flow Chart 105E CM23 GSIII 61
9 Go to cover page
A. Power Supply Failure
1. Sympton :
check 7102 pin1 check 7102 check 7102 check 7102
no startup sound Ok Ok Ok
100V 2V pin 8=2.4V pin4 output ?
LED light off
NO NO NO Ok
check check check
replace 7102 6165/3107/ NO
1101/6101/ 3121/6112/1106
7101/2106 3123/3119/3125 3105/7101
check
check
replace 7102 3115/6107
pin6>8V
/6111
Turn power off
2. Sympton :
check the resistance for
hicup mode with check 7102 check 7102
all output voltages+180, OK
startup sound or pin 6 < 13.5V pin 5 < 0.5V
80,12,-12,-6,+5,+8 V
blinking LED
check 6131~6136 short?
No No
OPP possibly active
check check 7111 OVP possibly active
No check 3103,3111~3114
7112/7115/7116/7117 open circuit check 6111
3108,3109,6102,2121
OK
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