21
1.2 No Power U-Com Failure
P-o
n u
-co
m
IC401
Power Board
DDCs : 0.9V_BE_DDC_1 (IC4802), 0.9V_BE_DDC_2 (IC4803),
0.8V_BE (IC4809), 0.7V_BE (IC4810)
DDC : 0.8V_M5_CORE (IC804)
DDCs : 5V_MAIN&5.0V_VBUS&5V_AUDIO (IC600),
1.0V_TU_P (IC603),
1.8V_M5 (IC807), 1.0V_M5 (IC808),
0.8V_M5_CPU (IC810), 0.8V_M5_GPU (IC811)
1.8V_BE_DDC (IC4800)
LDOs : 3.3V_MAIN_H (IC403)
FET SW : 3.3V_TU_P (Q602/Q603)
SOC Muffin 5 (IC1000)
P_ON_#1
PGOOD_1
P_ON_#2
OPWRSB
R457
#pin2
#pin14
#pin9
#pin12
#pin13
#pin10
#pin6
3.3V_STBY
POWER_ON
ORESETB
#pin7
BL_ON
DC_OFF_DET
#pin18
P_ON_HL
FET SW : 12.7V_LNB (Q604/Q605)
SW IC : 3.3V_TU_P (Q609 – IC604)
USB VBUS SW (IC3801-IC3806)
#pin11
ADC port
#pin8
12.7V_AUDIO
R462
#pin16
ADC port
R444
X_BL_MUTE
#pin3
12.7V_MAIN
R450
#pin20
VDD
12V_MON
GND
TYPE_DET
MIC_PWR_ON
DC_MON
GND
#pin17
GND
3.3V_STBY
R445
R446
Q400
Tr SW
SOC (IC5000)
IC413
TCON_24_ON
TCON_12_ON
#pin1 NRST
#pin15 JIG_RST
#pin19 RETRY_TRG
は、サービスのチェック手順に
出てこないので、非表示
P-on u-com control signal path summary
T R O U B L E S H O O T I N G
SAFETY NOTES
SELF DIAGNOSTIC FUNCTION
TROUBLESHOOTING
SERVICE ADJUSTMENT
DIAGRAM
HANDLING GUIDE
21
SYS SET
2021/02/04 23:38:48 (GMT+09:00)