Onkyo DV-SP502 Service Manual page 21

A B
Q Q
3 7 6 3 1 5 1 5 0
SCHEMATIC DIAGRAMS-1
AC IN
1
GND
SW+12V
GND
EV+6.8V(A)
EV+6.8V(B)
GND
SW+3.3V
EV+4V
P_ON
2
GND
U05
FL DC-
FL DC+
POWER SUPPLY UNIT
-28V
NGPS-0047 (100-120V)
<MDD> only
NGPS-0048 (100-240V)
Except <MDD>
HNV-13SS15T Q702
T E
L 1 3 9 4 2 2 9 6 5 1 3
3
R720
10K
4
41 NC1
42 NC2
43 NC3
44 NC4
45 NC5
46 NC6
47 NC7
P15
48 P15
P14
49 P14
P13
50 P13
P12
51 P12
P11
52 P11
P10
53 P10
P9
54 P9
P8
55 P8
P7
56 P7
P6
57 P6
w w w P5
58 P5
5 59 VDD2
60 VLOAD
.
U01 FRONT DISPLAY PC BOARD
C
U03 AUDIO/VIDEO OUTPUT PC BOARD
NAAR-8418
MUT
MDD MUS
MUQ MUR
MJJ MUP MUA
MUK
Region 1 2 2 3 4 6 DV-SP502
R738 4.7K 0 10K 4.7K 18K 10K R730
R739 33K NC 10K 8.2K 56K 2.7K R731
RPM7238-H9
R714
100 R715
SYSIN
100
KRA107S
Q709 Q710
KRA107S
SYSOUT
Q708 KRC107S
KRC107S
K2 20
DEST 19
AVSS 18
GND2 17
IRIN 16
REMO 15
GND1 14
R708 0 ACK
XACK 13
R707 0
RESET
XRESET 12
R706 0
PON
Q701 PON 11
R705 0
XRDY
MPD780232GC-707-8BT XRDY 10
R704 0
SO
XSO 9
R703 100
SI
XSI 8
R702 0
SCK
XSCK 7
10K
RESET 6
R701
IC 5
X2 4
X1 3
VSS1 2
VDD1 1
x a o
y
i
NADIS-8416
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D E
8
C
GND
Y
ASPECT
V/Y
BLANK/IP
R/C/Pr
GND
G/Py
SQUEEZE
B/Pb
GND
AUDIO L
GND
U04 DVD MAIN PC BOARD
AUDIO R
V+5V
DB-VPB611 <MUP> only
GND
DB-VPB612 Except <MUP>
GND
SW+12V
GND
EV+6.8V(A)
EV+6.8V(B)
GND
SW+3.3V
EV+4V
P_ON
GND
DPS-6.5
FL DC-
0 NC
FL DC+
NC 2.7K
-28V
CN201
Q707
P702
P701A
Q Q
3 7 6 3
+5V
R713
220K
RI
Q711
Q712 Q713 Q714
NC NC KRC107S
EV+3.3V
E3
R709 R717 R724
R712 R718 R725
R716 R722 R726 R728 R729
DV-SP502 NC NC NC NC 0
DPS-6.5 1.8K 3.3K 47 1K 8.2K
GND
SI
SO
SCK
S.RESET
EV+3.3V
IC
A
R744
NC
D701
3 THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
4
THAT THE FUSE USED IS SLOW OPERATING TYPE
2
1SS355
FOR CONTINUED PROTECTION AGAINST FIRE
5
1
HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE
RATING REFER TO THE MARKING ADJACENT TO THE SYMBOL.
u 1 6 3
CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST
E LENT.POUR UNE PROTECTION PERMANENTE,N'UTILISER
.
QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST
INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.
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F G
2 4
9 9
U02
CN201A
NADIS-8316
1 5 1 5 0 8 9 2
R752 R753 R754 R755
390 470 820 1K
K1
R751
2.7K
STB_L
R759 R760 R761 R762 R763 R764
390 470 820 1K 1.8K 3.9K
K0 R765
10K
R758
2.7K
R766
2.7K
R767 R768 R769 R770 R771 R772 R773
R745
K2
UP
0 390 470 820 1K 1.8K 3.9K 10K
RIGHT
ENTER
DOWN
LEFT
NOTE
THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY FOR SAFETY
CAUTION
REPLACE ONLY WITH PART NUMBER SPECIFIED.
FOR CONTINUED PROTECTION VOLTAGE (MEASURED WITH VOLTMETER)
AGAINST FIRE HAZARD, REPLACE
ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.
ONLY WITH FUSE OF SAME TYPE
A V
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
AND RATING INDICATED.
EX) 030- 3pF 330- 33pF 331- 330pF 333- 0.033uF
ATTENTION
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
AFIN D'ASSURER UNE PROTECTION
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
PERMANENTE CONTRE LES RISQUES
EX) PRINTING SIDE
D'INCENDIE, REMPLACER UNIQUEMENT
V
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
PAR UN FUSIBLE DE MEME TYPE
ET CALIBRATION COMME INDIQUE.
m
c o
DV-SP502/502E
H
2
8 9 9
PU SYSTEM
SPINDLE
MOTER
CARRIAGE MOTOR
LOADING MOTOR
STANDBY LED PC BOARD
NADIS-8417
NADIS-8417
4 9 8 2 9 9
ENTER
IS DC VOLTAGE.(NO INPUT SIGNAL)