Ir Power Amp Assy (4/6) - Pioneer SC-LX85 Service Manual

1

10.31 IR POWER AMP ASSY (4/6)

A
CN4600 V+12V
KM200IB5
FHR+ 5
Q
FHR- 4
GNDR 3
R4691
CN3860
V+12R 2
2125
NM
V-12R 1 2125
R4692
NM
GND
V-12V
V+12V
B
CN4500
XKP3062-A
FHL+ 1
Q GND
FHL- 2
GNDL 3
R4591
CN3850
V+12L 4 2125
NM
V-12L 5 2125
R4592
NM
V-12V
C
GND
FHR_IN
(FHL_IN)
FHL_IN
(FHR_IN)
R
1/6
FHMUTE
GND
D
JP4500
FHR
NM
JP4501
GNDS
NM
(RTN6)
E
RYH
R
1/6
FHL
GNDS
(RTN5)
F
R
4/6
154
1
2
CFHXSQ103J16-T
GND_C3
R4600 R4602
560 0.5% 5.6k
0.5%
C4604
NM
C4605
NM
R4601 R4603
560 0.5% 5.6k 0.5%
CFHXSQ103J16-T
GND_C33
R4500 R4502
560 0.5% 5.6k 0.5%
C4504
NM
C4505
NM
R4501 R4503
560 0.5% 5.6k 0.5%
V+5V
V+5VFILT5
R4671
0
GND
R4672
0
V-5V
V-5VFILT5
*R4610
4.7k
ACH1479-A-T
R4611 C4616 100u
470
ACH1479-A-T
R4511 C4516 100u
470
*R4510
4.7k
GNDP
V+12RY
GNDP
RY5000
ASR7001-A
Q5012
RT1N140M
GNDP
V-12RY
GNDP
2
3
C4608
ACH7320-A
The ! mark found on some component parts should be replaced
470u/16
with same parts(safety regulation authorized) of identical
C4609
0.01u/16 R4606
designation.
0
2125
V-12V
3
4
FHR_IN
1
8 (FHL_IN)
2
UPC4570G2-A
R4605
IC4602
3.3k 0.5%
C4607
NM
10k
C4509
1% 1%
V+12V
R4615 R4616
R4506
0.01u/16
5025
ACN7192-A ACN7185-A
2125
0
47k
C4508
ACH7320-A
470u/16
UPC4570G2-A V+5VFILT5
5 GNDS
FHL_IN
7
(FHR_IN)
6
IC4602
R4505
3.3k 0.5%
C4507
NM C4620
1000p/50
1
R4648
2
3.3k
3
1%
4
GND
IC4600
TLC071IDR
GND
V-5VFILT5
10k
1% 1%
R4515 R4516
5025
ACN7192-A ACN7185-A
47k
V+5VFILT6
GNDS
C4520
1000p/50
1
R4548
2
3.3k
3
1%
4
GND
IC4500
TLC071IDR
GND
V-5VFILT6
*JA5101
AKE7149-B
1
FHR+
2
5 FHR-
3
FHL+
4
FHL-
Q4608
LSC4081UB(QRS)
R4666
TEMP
10k
R
1/6 - 3/6
VD6
5/6, 6/6
GND
KN4500
VNE1948-A
1 3
R4566
GND1 GND3
Q4508
10k 1%
2 4 LSC4081UB(QRS)
GND2 GND4
GND
SC-57
3
4
R
1/6 - 3/6
PWM5
5/6, 6/6
OSC1
1%
R4619
1k
Q4603
1%
LSC4081UB(QRS)
R4620 *C4624
220 0.1u/50
YB
GND
R
1/6
V+5VFILT5
AMPDISABLE5
R
1/6
GND
IREN_FHLR
8
7
VDD
Q4606
R4622
6
LTC124EUB
1%
DTC115EUA-TLB
5 1k
GND
R
1/6 - 3/6
5/6, 6/6
PWM6
OSC1
1%
R4519
1k
Q4503
1%
LSC4081UB(QRS)
R4520 *C4524
R
220 0.1u/50
1/6
YB
GND
AMPDISABLE5
V+5VFILT6
R
1/6
GND
IREN_FHLR
8
7
VDD
Q4506
R4522
6
LTC124EUB
1%
DTC115EUA-TLB
5 1k
GND
V+5V
V+5VFILT6
R4571
0
GND
R4572
0
V-5V V-5VFILT6
VD5
V+5V
*R4675
Q4610
R4667
2SA1514K(RS) 10 2
8
1
R4670
1% 1k 1%
4
1k 3
NJM12904V
GND
GND
GND
IC4604
NJM12904V
Q4510
2SA1514K(RS) 6
7
R4570
R4567
1k 1%
1k 5
GND
GND
4
NOTE
1. RESISTORS
Unit: k-k , M-M or unless ot
Rated Power: 1/16w unless otherw
Toleranee: (J)5% unless otherwise
2. CAPACITORS
Unit: p-pF or u-uF unless otherwise
Ratings: Capacity(F)/Voltage(V) un
YB:CKSRYB, QYB:CKSQYB,SYB:
HAT:CEHAT, ZL:CEHAZL
3. NM: No Mount
MODULATOR & MOS FET Driver
Q4605
IC4601
LTC124EUB
IRS20957SPBF
DRIVER
DTC115EUA-TLB
1
VDD CSH
2
CSD VB
3
IN HO
4
VSS VS
5
NC1 NC2
R4629
6
2125 VREF VCC
1.8k
7
OCSET LO
8
DT COM
R4632
2125
5.6k
VSS+12V
R4647
1M
R4640
ACN7165-A
4.7u
L4604
NM
R4609
10k
Q4505
IC4501
LTC124EUB
IRS20957SPBF
DRIVER
DTC115EUA-TLB
1
VDD CSH
2
CSD VB
3
IN HO
4
VSS VS
5
NC1 NC2
R4529
6
2125 VREF VCC
1.8k
7
OCSET LO
8
DT COM
R4532
2125
5.6k
VSS+12V
R4547
1M
R4540
ACN7165-A
4.7u
L4504
NM
R4509
10k
*Q4611
GND LSA1576UB(QRS)
TEMP_OUT
IC4604
R K
1/6 - 3/6
CK
5/6, 6/6
GND
*Q4511
LSA1576UB(QRS)