Primary Assy - Pioneer VSX-518-K Service Manual

5
Q

PRIMARY ASSY

(XWZ4301)
55
51048-0400
GNDU
AC RY
AC WUP
R53
ST+5V
5.0V 3.3k
J52
NJM78L05UA
IC51
OUT IN
D20PYY0410E
3 1
2
GNDU
U+5V REG.IC
NOTE
1.RESISTORS
Unit: k-kΩ, M-MΩ or Ω unless otherwise noted.
Rated power: 1/16W 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 expect for electrolytic capacitors.
5
6
R52
27 1/2W
Q51
RT1N431M
D55
1SR139-400-T
W276
12.2V IC52
STBY
W286
~ W287
+
-
~
D51
DF06SA
4
3
2
5 1
T51 ATT7043
C57
0.01 YF
KN3001
R51
KN51
RCN1080
VNE1948-A VNF1084
CHASSIS
• NOTE FOR FUSE REPLACEMENT
FOR CONTINUED PROTECTION AGAINST RISK OF FIRE.
CAUTION -
REPLACE WITH SAME TYPE AND RATINGS OF FUSE.
(V)
: Video Signal Route
(L)
: Audio Signal Route (L ch)
(SW)
: Audio Signal Route (SubWoofer ch)
VSX-518-K
6
7
J1
J2
W290
W291
CN51
RKP1751
LIVE
FUSE1
W294,680,682
L
H51 H52 TO AC CORD
W282,284,293
AKR7001-
N
NEUTRAL
REK1153 (8A)
7
8
A
S
TRANS1 ASSY
(XWZ4320)
J1:DB117NB0
J2:XDX3071 B
C
D
E
F
Q S
59
8