Power Pack (1/2), Trans 2 And Trans 3 Assys - Pioneer SX-316-S Service Manual

1

3.8 POWER PACK (1/2), TRANS 2 and TRANS 3 ASSYS

C 1/2
POWER PACK ASSY (KUCXJ : XWZ4080)
A
D+5V
CN705
XKM3011-
(C)
C
GNDA
SBL/SB
SBL
GNDA
SBR/SW
GNDA
(SW)
B
(SL)
SL
SL
GNDA
(FL)
FL
FL
GNDA
SR
SR
GNDA
FR
FR
AMUTE
AMUTE
ATT
ATT
DCDT
DCDT
XPROTECT
XPROTECT
R1102
OLDT
OLDT
0
6OHM
6OHM
NECK
NECK
GNDU
C
GNDU
D
E
F
C 1/2
GNDA
26
1
2
(FR)
FR
R602
2.2k
2SD2704K(VW)
Q602
R604
AMUTE
C
0
R1108
10K
R606
ATT
STBY
Q604
STBY
SBR/SW
Q654
STBY
R656
ATT
STBY
AMUTE R654
R1107 0
10k
Q652
2SD2704K(VW)
R652
SR
2.2k (SR)
(FL)
R651
FL
2.2k
Q651
R653
AMUTE
10k
2SD2704K(VW)
R655 Q653
ATT
STBY
4.7k
STBY
(SL)
R631
SL
2.2k
Q631
AMUTE
R632
R1106 0 10k
2SD2704K(VW)
R633
ATT
4.7k
STBY
Q632
STBY
(C)
R601
C
2.2K
2SD2704K(VW)
Q601
R603
AMUTE
10K
R605
ATT
4.7k
Q603
STBY
STBY
(SW)
R777
SW 2.2k
2SD2704K(VW)
Q501
R778
AMUTE
10k
R779
ATT
STBY
Q503
STBY
VNF1084
CHASSIS
2
3
(MYXJ5 : XWZ4117)
IC601:
POWER AMP
(2ch POWER PACK)
14
C606
4.7/50
IC601(1/2)
STK412-230C
15
FR
4
3
2
R614
16
27k
D602
C612 C614
MTZJ15A
CH CH
47p
47p R675
stby
C662 C664
CH 47p 47p CH
R664
27k
17
IC601(2/2)
STK412-230C
C656
SR
18
12
4.7/50 7
IC602:
POWER AMP
(2ch POWER PACK)
(FL)
14
C655
4.7/50
IC602(1/2)
STK412-230C
15 FL
4
3
16 2
R663
27k
D647
C661 C663
MTZJ15A
CH
CH 47p 47p
R645
stby
D645
stby
(SL)
18
C633
4.7/50
IC602(2/2)
STK412-230C
17
SL
12
7
R637
27k
C636 C637
CH
CH 47p 47p
(C)
C605
14
IC600 (1/2)
4.7/50
STK412-230C
C
4 5
3
15
16 2
R613
27k
D681
C611 C613
MTZJ15A
CH CH
R677
47p 47p
stby
C779
4.7/50
17
IC600 (2/2)
(SW)
STK412-230C
SW
18
13
12
R783
7
27k
C782 C783
KN601
IC610
CH CH
47p 47p
AEK7009
(1A)
SX-316-S
3
4
R620
2SC2240 (GRBL)
Q606
330
NP
1
R622
8
0.22
D+5V
9
6
5 ACN7094
D604
MTZJ15A
R676
stby
R668
Q656
0.22
NP 2SC2240
ACN7094
11
10
13
R666 330
R665 330
1SS133
1
8
R667
Q655
9 0.22
2SC2240
6
5 ACN7094
(GBRL)
NP
D648
MTZJ15A
R646
stby
1SS133
R638
330
11
R639
10
0.22
Q633
13
ACN7094
2SC2240
(GBRL)
NP
R615
1SS133
Q605
330
1
R617 2SC2240
8
(GBRL)
9
0.22 NP
6
ACN7094
2SC4081 (QR)
D682 Q696
2SC4081
MTZJ15A
(QR)
R678
stby
1SS133
D778
R784
11
Q505
330
2SC2240
10
R785
(GBRL)
0.22
ACN7094
4
P1
P1
D608
P13
1SS133
O.L.
FRO
R628
22k
P6
601_5
XPROTECT
Q698
RT1N241M
R674
22k
(GBRL)
D654
1SS133
D653
(FL)
R673
22k
O.L.
D632
(SL)
R642
22k
D603
O.L.
(C)
R623
22k
Q697
O.L.
(SW)
R788
22k