Power Supply Section - Integra DTR-7.7 Service Manual
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Also See for DTR-7.7:
- Instruction manual (96 pages) ,
- Service manual (90 pages) ,
- Service manual (213 pages)
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SCHEMATIC DIAGRAM-7 (SD-7)
POWER SUPPLY SECTION
1
2
TE
L 13942296513
3
CAUTION
FOR CONTINUED PROTECTION
AGAINST FIRE HAZARD, REPLACE
A
V
ONLY WITH FUSE OF SAME TYPE
AND RATING INDICATED.
ATTENTIION
AFIN D'ASSURER UNE PROTECTION
4
PERMANENTE CONTRE LES RISQUES
D'INCENDIE, REMPLACER UNIQUEMENT
A
V
PAR UN FUSIBLE DE MEME TYPE
ET CALIBRATION COMME INDIQUE.
THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
THAT THE FUSE USED IS SLOW OPERATING TYPE
FOR CONTINUED PROTECTION AGAINST FIRE FUSE
HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE
RATING REFER TO THE MAKING ADJACENT TO THE SYMBOL.
CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST
A LENT, E POUR UNE PROTECTION PERMANENTE,N'UTILISER
QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST
INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.
NOTE
THE COMPONENTS IDENTIFIED BY MARK
REPLACE ONLY WITH PART NUMBER SPECIFIED.
www
VOLTAGE (MEASURED WITH VOLTMETER)
5
ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
ELECTROLYTIC CAPACITORS (
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.
http://www.xiaoyu163.com
B
NAPS-8999
U16
POWER SUPPLY PC BOARD
P906A
P907A
223J
C991
1SS133
D991
D992
1SS133
P991
DD: AC120V~60Hz
PA:
AC230-240V~50/60Hz
!
ARE CRITICAL FOR SAFETY
IS DC VOLTAGE.(NO INPUT SIGNAL).
x
ao
u163
y
) ARE IN uF/WV.
i
http://www.xiaoyu163.com
2 9
8
*
P910
J901
103M/275
C912
4
1
T902
RL902
3
2
C902
1SS133
D912
223J
1SS133
D901
D902
1SS133
1SS133
D903
1SS133
Q Q
D904
3
6 7
1 3
1 5
D905
1SS133
D906
1SS133
D908
1SS133
D909
1SS133
D910
UDZ5.1B
NAETC-9006
U24
AC INLET CABLE
Destination table
TYPE
P910
F901
F903
DD
2 out 12A/250V
5A/125V
PA
1 out
T5AL250V
T2.5AL250V
co
.
C
9 4
2 8
*
F903
*
F901
KTC3199-GR
Q912
R913
1K
D913
1SS133
APOWER
+12VTRG
+10S
POFF1
RLGND
DGND
0 5
8
2 9
9 4
2 8
J907
INLET PC BOARD
2
1
J6600
J6626
L6600-6606
J6604
J6625
T902
R6600-6606
C6650-6658 C6640-6648
J6619
J6851
R6610-6616
J6620
NPT-1520JQ
NPT-1519GQ
m
DTR-7.7
D
9 9
1
3
1
2
3
4
5
6
9 9
102J
103J
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