ONKYO A-9555
Manual de Servicio

A-9555
A B C D E
NAETC-8716
POWER
S901

SCHEMATIC DIAGRAMS-5
POWER SUPPLY 1
T911 UDC, UDT : NPT-1529D UPP : NPT-1529P UGT, UGR : NPT-1529G

U11 POWER SWITCH PC BOARD
P901C

NAPS-8714 U09 POWER SUPPLY PC BOARD
! !
2 3 P910 P911 JL901B

P901A

!

!
C911 103M/275V F901 UDC, UDT : 6.3A/125V UPP : 3.15AL250V UGT, UGR : 3.15AL250V RL901 ! NRL-1P5ADC9 D901 1SS352 C904 104Z

P901B

!

224/275V

472/250V

C902

C908

RED

1 4

NCH-3646 NC

2 1 3 4 NCH-3645

3

2

!

472/250V

To NAAF-8708(1/2) (SD-1 : H4) RED To NAAF-8708(1/2) (SD-1 : H5) BLUE
BLUE

To NADIS-8709

T911

L901

L902

4

1

(SD-3 : A2)

P907

!

!

!

!

!
F901

P903A P903B

!

AC INLET
W

P904A P904B

!
T901 UDC : NPT-1520JQ T901 AC IN UDC, UDT : 120V, 60Hz UPP : 230 - 240V, 50Hz UGT, UGR : 220 - 230V, 50/60Hz C916 223J 0.47(1/2W) C906 1SS352 9 8 1 RLGND D908 S1NB60-4062 UPP : UGR : NPT-1519GQ UGT, NPT-1519GQ UDT : NPT-1519JQ

To NAAF-8708(1/2) (SD-1 : H4)

C901 224/275V

ORANGE ORANGE

POWER

Q901 RN1404

GREEN GREEN BROWN BLACK BROWN 224/275V 10K 104J

To NAAF-8708(2/2) (SD-2 : D1)

2SC1740S-R D904

2

To NAAF-8708(2/2) (SD-2 : C4)

R909 C920

C903

RL1N4003 22(1/2W) D906 R907 C918 RL1N4003

E905 UDZS5.1B Q902 EARTH R910 D911 R913 R916 R906 2 VSS 2.2(1/2W)

3
RLGND +9V ACPOWER POFF POFF D909

Q907 S-80127CN
4 3 OUT VDD NC VSS 5 1 C919

18K R917 104J 33K

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). 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 ( ) 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. 3300/16 2.2/50 R918 27K

CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH FUSE OF SAME TYPE AND RATING INDICATED.

A

V

THIS SYMBOL LOCATED NEAR THE FUSE INDICATES THAT THE FUSE USED IS SLOW OPERATING TYPE FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE RATING REFER TO THE MARKING ADJACENT TO THE SYMBOL.

ATTENTION

4

A

V

AFIN D'ASSURER UNE PROTECTION PERMANENTE CONTRE LES RISQUES D'INCENDIE, REMPLACER UNIQUEMENT PAR UN FUSIBLE DE MEME TYPE ET CALIBRATION COMME INDIQUE.

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.

+

C913

A-9555

<Note> NC = No mount of parts. Location of connected terminal in schematic diagrams. SD-Z = Schematic diagrams-Z. X = A to H, Y = 1 to 5. 6 1SS352 0.47(1/2W) 4 D910 5

C917

SD-Z : XY

102J