Trans4, Regulator, Video, Digital Input And Primary Assy - Pioneer VSX-417-K Service Manual

1

3.12 TRANS4, REGULATOR, VIDEO, DIGITAL INPUT and PRIMARY ASSY

A
VIDEO ASSY
O
(XWZ4270)
VCR PLAY
B
VCR REC
MONI
C302
STBY
CHASSIS
TV/SAT
LD/DVD
C
SW OUT
D
CAUTION : FOR CONTINUED PROTECTION AGAINST
RISK OF FIRE. REPLACE ONLY WITH
SAME TYPE NO. AEK7008 MFD, BY
LITTELFUSE INK. FOR IC357.
E
F
M O Q
34
1
2
(V)
C307
47/25
(V)
R304
IC301
NJM2595M
75
(V)
R306
75
FUNCTION
SELECTOR
(V)
C309
47/25
R299
0
(V)
C308
47/25
(SW)
R317 1k
R318 1.2k
Q303 R319 4.7k
2SC5938A
(AB)
D20PYY0330E
J22
(V)
: Video Signal Route
(L)
: Audio Signal Route (L ch)
(SW)
: Audio Signal Route (SubWoofer ch)
2
3
Q301, Q302 RIPPLE FILTER
FOR VIDEO FUNC. SW
R311 1k
R312 1k
2SA1858X (QR)
+5.6V
Q301
R313
39/3W
R314
1.5k
D303
UDZS6.2B
D304
UDZS6.2B
R315
1.5k
R316
-5.6V 39/3W
Q302
2SB1237X (QR)
DAN202U-TLB
D308
(SW)
13
TRANS4 ASSY
M
(XWZ4225)
A 2/3
CN251
TO MAIN ASSY
891
51048-0300
C406
470/35
VSX-417-K
3
4
V+5_6VS
KP200TA6L
+12V
CN302
(SW)
GAVS
CN303
11 9 7 5 3 1
CKS3378
10 8 6 4 2
12
J33
A 3/3
CN130 JA1900
GP1FAV51RKBF
1 2
TO MAIN ASSY
DIGITAL IN ASSY
KN1901
STBY
KN1902
VNE1948-A
CHASSIS
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.
4
1
GNDA
2
SWOUT
3
GNDU
4
+12V
5
GAV
6
-12V
R1900
3
100
C1900
0.1 YB