Service manual

GTC Service Manual
ASUS Proprietary 15
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4.4
.4 .4
.4 Vibrator Test
Vibrator TestVibrator Test
Vibrator Test
If the vibrator can not working, please refer to below items try to
eliminate the error.
U17 Pin1 3.0V
PMU ( U31 ) open / short
Figure 8. Vibrator Circuit
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4.5
.5 .5
.5 LED Test
LED TestLED Test
LED Test
We can check the RGB LED function and keypad LED via this test
item. The indication LED will show: Red-> Green->Blue->kpd White
LED->Red…….etc.
2.5.1 RGB Led fail
1. Please check R1, R2, R3 on soldering status.
2. Check the Pin9 and Pin 10 on the U5.
3. If the answer is no, please check the open/short on the CPU.
4. Replace the LED1.
2.5.2 Keypad LED fail
If the keypad LED will not executed. We can check below items on
the LCD_PCB auxiliary board.
LED_V+ 6.2V
SUB_BL_EN 1.8V (Figure 4 )