Integra DTR-7.8 Service Manual page 51

A B
Q Q
3 7 6 3 1 5 1 5 0
SCHEMATIC DIAGRAMS-14 (SD-14)
POWER SUPPLY SECTION
1
NAASP-9058
U14
INLET PC BOARD
INLET AC CORD
P901
(CRIMP AS) P9007A
P9007B J9001
P9007
P9006
P9006B P9006A
(CRIMP AS)
P9000
2
NAASP-9057
U13
POWER SUPPLY
PC BOARD
R9105
100K
T E
L 1 3 9 4 2 2 9 6 5 1 3
3
4
AC Volt / Freq. Fuse Rating
Type
Type Volt / Freq.
DD 12A 125V
DD 120V 60HZ
MA
MA 220-240V 50HZ 6.3A 250V
<Note>
SD-x:XY is short for Shcematic Diagram-x and
each socket's location, X=A to H, Y=1 to 5.
NOTE
THE COMPONENTS IDENTIFIED BY MARK ! ARE CRITICAL FOR SAFETY.
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).
w w w
ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
5
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uF .
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX) PRINTING SIDE
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
C
STBY Trans T9000
Type Rating
DD
NPT-1520JQ
MA NPT-1520GQ
D9006
1SS133
D9007
T9000 LIST
MTZJ5.1B
D9005
1 9
1SS133
2 8
3 7
4 6
D9001
D9003
5
1SS133
1SS133
D9002
D9000
1SS133
1SS133
POFF
D9008
1SS133
+SUB
E9100
D9009
1SS133
GNDSUB
APOWER1
APOWER2
R9005 D9004
22 RL1N4003
MPOWER
R9108
100K
POWER TRANS
T901 LIST
R9111
56
S1
1
F9100
LIST
S2
2
3
S3
P9100 P9100
S5
S4
F9100 F9000
5A 125V
S6
2.5A 250V
S7
Power Trans T901
Type Rating
DD
NPT-1553D
MA NPT-1553M
x a o
y
i
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D E
CAUTION
MPOWER 1
FOR CONTINUED PROTECTION
APOWER1 2
APOWER2 3
AGAINST FIRE HAZARD, REPLACE
+12V 4
ONLY WITH FUSE OF SAME TYPE
POFF 5
GNDSUB
6
V A AND RATING INDICATED.
+SUB 7
JL901A
ATTENTION
CAUTIONF AFIN D'ASSURER UNE PROTECTION
PERMANENTE CONTRE LES RISQUES
D'INCENDIE, REMPLACER UNIQUEMENT
PAR UN FUSIBLE DE MEME TYPE
V A
ET CALIBRATION COMME INDIQUE.
THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
S1H+ 1 THAT THE FUSE USED IS SLOW OPERATING TYPE
S1H- 2
FOR CONTINUED PROTECTION AGAINST FIRE FUSE
S1M+ 3
S1M- 4
Q Q HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE
S1L+ 5
3 7 6
RATING REFER TO THE MAKING ADJACENT TO THE SYMBOL.
S1L- 6
6
GND 7
7 P6500
8 CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST
A LENT, E POUR UNE PROTECTION PERMANENTE,N'UTILISER
9
QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST
10
INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.
11
12
13
ASP
14
15
16
TUNER,
P9104
FAN,12VTRIGER,
SP RELAY
17
18
VIDEO,HDMI
19
20
21
P2502
DSP
22
23
-VP
24
21
FLAC
22
P9301
u 1 6 3
.
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F G
2 4
8 9 9
NAETC-9073
U26
+14.4V 22(1/2W)
R4740
C4720
1 +15V
-14.4V 47/50
2 -15V
3
C4721
22(1/2W)
4
5 R4741
6
C4722
7
8
9
10
47/50
C4723
C4724
47/50
C4725
C4726
47/50
3 1 5 1 5 0 8 9 2
47/50
C4727
NAPS-9099
U36
POWER SUPPLY PC BOARD
D9303
J9311
D10XB60H
F9301
4A
J9310
D9307
1SS133
P9301A
D9311
MTZJ5.1B
DSP_AC1
1
D9308
R9310
2 DSP_AC2
1SS133
10(1/4W)
3 -VP_AC1
4 -VP_AC2
D9312 D9313
5 FLAC1 RL1N4003 RL1N4003
Q9301
FLAC2 2SC2235-Y
6
R9304
12(1/2W)
+3.3VMPU
D9314 D9315
RL1N4003 RL1N4003
FLAC2
m FLAC1
R9308 JL9303B
1(1/2W)
c o
DTR-7.8
H
2
8 9 9
AMPLIFIER PC BOARD
3
NE5532AP
C4730
47/50 1
Q4720A
2
47/50
6
47/50
7
1
5 C4731 2
Q4720B
3
4
NE5532AP
5
6
3 Q4721A 7
C4732
1 8
47/50
9
2 47/50
10
GND
6
47/50
7
5 C4733
Q4721B
NE5532AP
3 NE5532AP
C4734
1
Q4722A
2
47/50
6
47/50
7
47/50
5 C4735
Q4722B
+14.0V
3
C4736
1
2
47/50
Q4723A
NE5532AP
4 9 8 2 9 9
Q4723B
6
47/50
7
5 C4737
-14.0V
GNDDC 6
+9VDC 5
GNDDSP
4
GNDDAC 3
+9VDG 2
POFF2 1
JL9501B
4
-VP 3
2
1