Pioneer SC-LX85 Service Manual page 54

5
Zobel Detection
Over Current Detection of MOS FET in Output Stage
R
IR POWER AMP ASSY
!
IC4201
C4163
NM
R4155
47k 1%
VD2
D4117
RF051VA2S
Q4101
IRF6775MPBF-TRB
IC4101
R4137
GATE
IRS20957SPBF
3216
!
9.1 3
DRIVER
ACN7194-A
1 16
SOURCE2
VDD CSH
2
2 15
SOURCE1
CSD VB
1
3 14
IN HO
4 13
VSS VS
5 12
NC1 NC2
6 11 Q4102
VREF VCC
IRF6775MPBF-TRB
R4141
7 10
GATE
OCSET LO 3216
9.1 3
8 9
ACN7194-A
DT COM
SOURCE2
R4132 2
SOURCE1
2125
5.6k 1
DISPLAY
K
ASSY
CN3001
-31
71
UCOM
IC3001
AE
5
6
V+5V
R4044
AMPOVERLOAD
1.5k
R
2/6 - 6/6
IC4401
C4155 Q4104
LSC4081UB(QRS)
0.01u/50
R4153
D4119
1SS352 22k
GNDS
!
DRAIN1
4
DRAIN2
5
DRAIN3
6
DRAIN4
7
ATH7090-A
L4100
!
DRAIN1
4
DRAIN2
5
DRAIN3
6
DRAIN4
7
R R
2/6
DIGITAL MAIN
F
ASSY
CN7652 CN7651 CN601
-9 -31 -9
DISPLAY BRIDGE
ASSY
6
7
R4043
100
GND
IC4601 ! IC4701
! !
IC4301 ! IC4501 !
R R
3/6 4/6 5/6
CN603 CN7801
-7 -7
CONNECT
X
ASSY
SC-57
7
8
CN4000
-5
XOLERR
IC4801 !
IC4901 !
R
6/6
INTERFACE
G
ASSY
CN7803 CN7003 CN7006
-8 -8 -15
XOLERR
8
A
B
C
D
E
F
45