Pioneer SC-82 Service Manual page 75

5
TOR & MOS FET Driver
5/6, 6/6
V+5VFILT5
V+5V_S
GNDS
4
R4660
120
!
IC4601
IRS2092SPBF
DRIVER
1 16
VAA
CSH
2 15
GND
VB
3 14
IN-
HO
R4690 4 13
COMP
VS
12
R4689 5 CSD 12
VCC
120
6 VSS 11
LO
R4629
7 10
VREF
2125
COM
2.2k *R4632
8 OCSET 9
2125
DT
9.1k
GNDS
T5
2V
R4604
R4640
3216 NM
47
_S
R4609
!
22k
V+5VFILT6
!
IC4501
R4560
IRS2092SPBF
120
DRIVER
1 16
VAA
GNDS
CSH
2 15
GND
VB
3 14
IN-
HO
R4590 4 13
COMP
VS
12
R4589 5 CSD 12
VCC
120
6 VSS 11
LO
R4529
7 10
VREF
2125
COM
2.2k *R4532
8 OCSET 9
2125
DT
9.1k
6 GNDS
2V
R4504
R4540
NM
47
R4509
!
22k
V+64V
Q4611
2SA1576A(QRS)
TEMP_OUT
R
1/6 - 3/6,
5/6, 6/6
GNDP
Q4511
P 2SA1576A(QRS)
V-64V
5
6
VD5
D4617 R4686
2125
RF071M2S 100
!
Q4601
IRF6775MPBFS1-TRB
R4637
GATE DRAIN1
3216
10 3 4
DRAIN2
ACN7165-A
5
SOURCE2 DRAIN3
2 6
SOURCE1 DRAIN4
1 7
!
Q4602
IRF6775MPBFS1-TRB
R4641
GATE DRAIN1
3216
10 3 4
DRAIN2
ACN7165-A
5
SOURCE2 DRAIN3
2 6
SOURCE1 DRAIN4
1 7
VS5
R
1/6, 3/6, 6/6
RY-
RY_H
VD6
R4599
RYW
120k
R
1/6
D4517 R4586
2125
RF071M2S 100
R5199
RYH
!
Q4501 120k
IRF6775MPBFS1-TRB
R
R4537
1/6
GATE DRAIN1
3216
10 3 4
DRAIN2
ACN7165-A
5
SOURCE2 DRAIN3
2 6
SOURCE1 DRAIN4
1 7
Q4502 !
IRF6775MPBFS1-TRB
R4541
GATE DRAIN1
3216
10 3 4
DRAIN2
ACN7165-A
5
SOURCE2 DRAIN3
2 6
SOURCE1 DRAIN4
1 7
VS6
VD
VD5 VD6
NM NM
0.22 /5W 0.22 /5W
*R4625 *R4525
*R4626 *R4526
0.22 /5W 0.22 /5W
NM NM
VS5 VS6
VS
6
Output Power Stage and LP Filter
R
1/6
V+64V
VD
PWM5
ATH7090-A
L4600
D4619
GNDP
1SS355
VS
V-64V Q4604
2SC4081(QRS)
R4655
R4653
100k 1% 47k
Q4514
HN1K02FU
1 6
Tr1_Source
Tr1_Drain
2 5
Tr1_Gate
Tr2_Gate
R4575
3 4
Tr2_Drain
Tr2_Source 3216
12
R
1/6
V+64V
V-12RY
VD
PWM6
ATH7090-A
L4500
VS
Q4504
V-64V
2SC4081(QRS)
D4519
R4555 1SS355 R4553
100k 1% 47k
: Audio Signal Route
1608 SIZE 2125 SIZE
RS1/16S*** RS1/10S***
2125
RN1/16S***
RS1/8SQ***
2125
1/8W
CCSR***
CCSQ***
CKSR*** 2125
CKSQ***
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
The mark found on some component parts should be replaced
!
with same parts (safety regulation authorized) of identical designation.
SC-82
7
D AMP_SS ASSY (4/6)
R
4/6
(SC-82 : AWX1926)
(SC-81 : AWX1919)
R6446
AMPOVERLOAD
GNDP
0
R
1/6 - 3/6, 5/6, 6/6
GND_RY
RY4500
XSR3015-B
GNDP
GNDP
R6447
GNDP
AMPOVERLOAD
0
R
1/6 - 3/6, 5/6, 6/6
3216 SIZE
RS1/8S***
3216
RS1/4SA***
3216
1/4W
CCS***
3216
CKS***
7
8
A
KN4300
1 3
B
GND1 GND3
2 4
GND2 GND4
VNE1948-A
GNDP
C
*JA4501
AKE7109-A
1
FWR+
2
5 FWR-
3
FWL+
4
FWL-
D
E
F
R
4/6
75
8