Pioneer VSX-418-K Service Manual page 49

5
R709
P1 Q701
IC701
2SC5511(E)
ICP-N10
XPROTECT R713
R701
D713 1k
R721
*1
1SS133
*1
Q703
2SA1145
Q704
2SC2240
R702
*1
GNDU
IC702
Q702
P12
2SA2005(E)
ICP-N10
R710
*1
IC605
AEK7022-A
601_2
(10A)
IC604
AEK7022-A
601_5
(10A)
IC607
AEK7022-A
600/3_2
(10A)
IC606
AEK7022-A
600/3_5
*2 (10A)
IC609
AEK7022-A
602_2
(10A)
*2
IC608
AEK7022-A
602_5
(10A)
P6
D+5V
Q705(1/2)
RN4903
Q705(2/2)
RN4903
L752
J606 BLUE
DB621ND0
R752
FRO
PUF
L751
(FL)
R751
FLO
J607
BROWN PUF
DB118ND0
L762
SRO
R762
PUF
(SL) L761
(SL)
SLO
R761
PUF
L753
(C)
(C)
R755
CO
PUF
L501
SBRO/SBO/SWO
R789
PUF
L754
SBLO
R772
WHITE
STBY
C 2/2
F-DRIVE
5
6
R701
*1
*1
R702
4.7K
/MYXJ5
518/J
Q721
2SA1145
DB232ND0
STBY
Q722
2SC2240
NECK
R705
47k
Q724
D701
D5SBA20(B)
RT1N241M
STBY
A
~
+
C -
~
STBY
~
+
-
~
D702
D
B
D5SBA20(B)
D+5V
Q707(1/2)
RN4903
Q707(2/2)
W201
RN4903
R712
R1110 R711
STBY
0
2.2k
ATH1004 (FL)
(FR)
100 1/4w
ATH1004
(FL)
100 1/4W
ATH1004
(SR)
100 1/4W
ATH1004
(SL)
100 1/4W
ATH1004
(C)
100 1/4W
(SBR)
STBY
100 1/4W
STBY
STBY
(FL)
: Audio Signal Route (Front L ch)
(SL)
: Audio Signal Route (Surround L ch)
(C)
: Audio Signal Route (Center ch)
6
R703 R707 R709 R721
R704 R708 R710 R722
3.9K 180K 10K
DB230ND0
DB030ND0
DB932ND0
STBY
DB932ND0
D
TO
PRIMARY
ASSY
J52
Q
55
D20PYY0410E
CN1201
52147-0410
GNDU
AC RY
AC WUP
ST+5V
11 10 9
J21
D20PYY1130E
11 10 9
-22.9V
-29.7V
(FL)
RY751(1/3)
ASR7001-
RY751(2/3)
ASR7001-
RY752(1/3)
ASR7001-
RY752(2/3)
ASR7001-
STBY
RY753(1/3)
ASR7001-
R740
68K
C740
100/25
CAUTION :
FOR CONTINUED PROTECTION
AGAINST RISK OF FIRE.
REPLACE ONLY WITH SAME
TYPE NO. AEK7009 FOR IC610
MFD, BY LITTELFUSE INC.
Q605,606,633,655,656,683,
Q505: OVERLOAD DETECTOR
Q696,697:
( ) DC OUTPUT DETECTOR
: AUDIO SIGNAL ROUTE
VSX-418-K
7
CAUTION : FOR CONTINUED PROTECTION AGAINST
RISK OF FIRE. REPLACE ONLY WITH
SAME TYPE NO. ICP-N10, MFD BY ROHM
CO., LTD. FOR IC701 and IC702.
CAUTION : FOR CONTINUED PROTECTION
AGAINST RISK OF FIRE.
REPLACE ONLY WITH SAME
TYPE NO. AEK7018 MFD, BY
LITTELFUSE INK. FOR IC853.
TRANS2 ASSY
(XWZ4334)
W382
R1256
STBY
R1255
3.3
STANDBY
IC852
1/4W
STBY
IC851
STBY
*2
IC853
J47
8 7 6 5 4 3 2 1
8 7 6 5 4 3 2 1
C 2/2
+
FR
-
SITUATION
(FL)
NO SIGNAL
+
FL
-
+
SR
-
(SL)
+
SL
-
(C)
*4
+
C751,752,755,
C
761,762
-
C753,754,756,
763,764
D751,753,757
R1103,R1104,R1105
CHASSIS
*5
NOTE
1.RESISTORS
Unit:k-kΩ,M-MΩ or Ω unless otherwise noted.
Rated power:1/4W unless otherwise noted.
Tolerance:(J)± 5% unless otherwise noted.
2.CAPACITORS
Unit: p-pF or μF unless otherwise noted.
Ratings:Capacity(μF)/Voltage(V) unless otherwise noted.
Rated Voltage:50V except for electrolytic capacitors.
BA:CQMBA(Film Cap)
M:CQMA(Film Cap)
3.DIODES
Indicated in 1SS133-T
7
8
A
B
IC853
AEK7018 (4A)
TO HEADPHONE ASSY
O
1551
XDX3065
1 2 3 4 5 6
C
A-D
POINT VOLTAGE
(V)
MYSXJ5
A.B ± 61.4
D
/MYSXJ5
0.22 BA
0.22 BA
1SS355
CQMBA123J50
E
F
D
C 1/2
49
8