Pioneer SC-LX85 Service Manual page 158

5
R
V
004
TC74VHC08FK
Q4015
D4011
R4088 R4089 LSC4081UB(QRS)
12k 12k
1SS301
GND
GND
04
14
D4012
6
7
VHC08FK 1SS301
*IC4004
14
1
3
R4016
V+5V
2
7
100
1 5
VCC
7
2
R
1SS352
3 4 2/6
GND
*IC4905
TC7SH08FUS1 D4016
R R
GND 3/6
AMPDISABLE1
AMPDISABLE2
R
6/6
AMPDISABLE3
AMPDISABLE4
AMPDISABLE5
R
5/6
R
4/6
R4028
R4030 100
100
R4031
R4029
100
100
V+5V
GND
R
4/6
FHMUTE
Q4036
LTC124EUB
W
+B(+64V)
V-5V
V-5V
CN7401
RYW
Q4031
RYA
R
LTA124EUB
4/6
Q4032
RT1N140M
RY *R4005
0
GND
6
OVP&UVP
DETECT CIRCUIT
V+5V
V+64V
330p/50 330p/50 330p/50
CH C4044 CH *C4045 CH C4046
D4013 D4014 D4015
*R5012
2125
10k
RKZ24KG(B2) RKZ24KG(B2) RKZ27KG(B)
*R5013
2125
10k
D4017
R5015
2125
22k
RKZ18KG(B2)
330p/50
C4047 CH *Q4023
LSC4081UB(QRS)
V+5V
*R5034
330p/50 330p/50
330p/50
NM CH C4048 CH *C4049 CH C4050
*R5035
D4018 D4019 D4020
0 *R5020
2125
10k
RKZ24KG(B2) RKZ24KG(B2) RKZ27KG(B)
*R5021
2125
GND
10k
D4021
R5023
2125
22k
RKZ18KG(B2)
C4051 330p/50
CH
*Q4025
LSC4081UB(QRS)
V-64V
5
6
2/6 - 6/6
AMPOVERLOAD
R4073 22k
Q4012
HN1A01FU(YGR)
1 6
E1 C1
2 5 V+5V
B1 B2
3 4
C2 E2
Q4002
LTC124EUB
V+5V
GND GND
V-5V
R4076 22k
Q4013
HN1A01FU(YGR)
1 6
E1 C1
2 5
B1 B2
3 4
C2 E2
Q4003
LTC124EUB
GND GND
V-5V
CN4001
1
GND 2
GND 3
-B(-64V) 4
CKS-557--
KN4901 KN4502
AKF7002-A AKF7002-A
GNDCH_1
1 1
GNDCH_2 CN4003
V+5V
KM200NA4
V+5MD
V
GND_MD 2
XBERR
V-5_MD
CN7271
GND(S)
Q4017
LTC124EUB
Q4030
LTC124EUB
GND
*R5029 Q4022
LSC4081UB(QRS)
2125
0
V
V+5V
OE
CN7251
R5054
100k
*R5019
2125
100k
*R5030
Q4024
2125
0 2SC3906K(RS)
Vceo120V
GND
NOTE
1. RESISTORS
Unit: k-k , M-M or unless otherwise noted.
Rated Power: 1/16w unless otherwise noted.
Toleranee: (J)5% unless otherwise noted.
2. CAPACITORS
Unit: p-pF or u-uF unless otherwise noted.
Ratings: Capacity(F)/Voltage(V) unless otherwise noted.
YB:CKSRYB, QYB:CKSQYB,SYB:CKSYB, CH:CCSRCH
HAT:CEHAT, ZL:CEHAZL
3. NM: No Mount
6
R
1/6
R
AMUTE 2/6, 3/6, 5/6
V-5V
R
6/6
SBMUTE
V-5V
V+64V
CN4002
V
-B+15
-B
GNDS CN7241
V-64V
V+5V
1
3
4
V-5V
CN4004
KM200NA7
V+12DF 1
GND_DF 2
V-12DF 3
GND_DF(S) 4
V+12RY 5
V-12RY
6
V-12RY
7
V+12RY
V-12RY
1608 SIZE 2125 SIZE
RS1/16S*** RS1/10S***
2125
RN1/16S***
RS1/8SQ***
2125
1/8W
CCSR***
CCSQ***
CKSR*** 2125
CKSQ***
SC-57
7
IR POWER AMP ASSY (1/6)
(SC-57
(SC-55/SC-1526-K : AWH7039)
The ! mark found on some component parts should be replaced
with same parts(safety regulation authorized) of identical
designation.
VSS+12V
1
2
KM200NA2
V-64V
V+5V
Q4038
LSC4081UB(QRS)
Q4037
LSC4081UB(QRS)
GND
GND
V+12V
GND
V-12V
3216 SIZE
RS1/8S***
3216
RS1/4SA***
3216
1/4W
CCS***
3216
CKS***
7
8
: AWH7030)
A
B
C
D
R
TEMP
2/6 - 6/6
E
F
R
1/6
149
8