Hi, got an 820-2838 board with no Wifi. The wifi says is active but wont detect any networks.
Tried:
working airport card and antenna
SMC and NVRAM reset
replaced U4002
U4002 Values:
card connected:
PP3V3_S3: 3.3v
P3V3WLAN_VMON: 0.98v
AP_RESET_L: 3.3v
AP_RESET_CONN_L: 3.3v
AP_PWR_EN: 3.3v
AP_CLKREQ_Q_L: 0v
AP_CLKREQ_L: 0v
PP3V3_S3: 3.3v
P3V3WLAN_VMON: 0.98v
AP_RESET_L: 3.3v
AP_RESET_CONN_L: 3.3v
AP_PWR_EN: 3.3v
AP_CLKREQ_Q_L: 3.3v
AP_CLKREQ_L: 3.3v
Tried:
working airport card and antenna
SMC and NVRAM reset
replaced U4002
U4002 Values:
card connected:
PP3V3_S3: 3.3v
P3V3WLAN_VMON: 0.98v
AP_RESET_L: 3.3v
AP_RESET_CONN_L: 3.3v
AP_PWR_EN: 3.3v
AP_CLKREQ_Q_L: 0v
AP_CLKREQ_L: 0v
PP3V3_S3: 3.3v
P3V3WLAN_VMON: 0.98v
AP_RESET_L: 3.3v
AP_RESET_CONN_L: 3.3v
AP_PWR_EN: 3.3v
AP_CLKREQ_Q_L: 3.3v
AP_CLKREQ_L: 3.3v