Pioneer SC-71 Service Manual page 40

1
[3] Protection Circuit Process List (XMHLPERR)
Item Purpose
Detection of over-
MHL
A
current in MHL
Overcurrent
power supply
detecition
XMHLPERR Circuit
B
B
FRONT HDIM USB ASSY
V+5F
C
D
J
DISPLAY ASSY
E
CN6003 CN6001
-3
R6200
10
F
40
1
2
Detection Method
IC8002 detectes MHL
circuit overcurrent and
XMHLPERR port is
set to "L".
IC8002
BD82065FVJ
!
GNDCH
R
V-REG_SS ASSY
CN7903
-3 -37
2
3
Status of Equipment Warning Indication
Flashes "MHL POW
ERR" and stops MHL
power supply.
CN8002
-3
10
XMHLPERR
R8063
V+5_USB_DC
E
DIGITAL MAIN_L ASSY
CN7901 CN601
-5 -27
GNDD
SC-71
3
4
Remarks
MHL power is not
supplied until the
MHL equipment is
acknowledged
after second
power-on.
V+3R3_EM
IC101
R742 R263
106
100 100
4