LG D337 - Page 103

4. DOWNLOAD
- 103 -
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+1V8_MTK_VIO
+3V0_TOUCH_VDD
+1V8_MTK_VIO
TOUCH_I2C_SDA
TOUCH_I2C_SCL TOUCH_RESET
TOUCH_MAKER_ID
TOUCH_INT
CN7200
VA7203
1u
C7200
VA7202 VA7200 VA7201
4.7K
R7200
VA7204
R7202
10K
1
2
R7201
10K
1
TP4(VA7200)
TP3(VA7202)
+1V8_MTK_VIO (TP1) :
TP1 (R7201)
+3V0_TOUCH_VDD : TP2
(C7200)
4.TroubleShooting
+1V8_MTK_VIO(TP1):
TP1 (R7201)
+3V0_TOUCH_VDD: TP2
(C7200)
TP3(VA7202)TP4(VA7200)
TP4(VA7200TP3(VA7202)
+3V0_TOUCH_VDD: TP2
(C7200)
+1V8_MTK_VIO(TP1):
TP1 (R7201)
‐ 31 ‐
TP1
(R7201)