TX-SA578/608 TX-SR308/508/578/608 HT-R280/380/538/580/680/980/C230/C260 DTR-20.2/30.2
SCHEMATIC DIAGRAMS-11
Power Supply Sectio
TX-SA578/608
TX-SR308/508/578/608 HT
-R280/380/538/580/680/980/C230/C260 DTR-20.2/30.2
A
1
2
3
4
B
C
D
E
+12VD_ST
GNDDG
POFF
+10VS
POWERD
1
3
OTHER: UDZS5.6B
*
J-TYPE: UDZS4.7B
*
EXCEPT J-TYPE
S3
S2
S4
S1
T901
N.C.
F901
TX-SA608 ONLY
*
N.C.
( DIR/DAC/MPU PWB)
TO SD-4a A-7 BAETC-0345
TO SD-3b J-9 BAETC-0352
TO SD-4c
B-4 BAETC-0359
(TO AUDIO INPUT PWB)
(AMP PWB)
N.C.
N.C.
N.C.
BAETC-0376/ BAETC-0390
*
TO SD-6 A2 BADG-0364
R921
47(1/2W)
C930
100/50
+
C902
104Z
D930 KDS4148U
D931
KDS4148U
D923
KDS4148U
D921
KDS4148U
D924
KDS4148U
D922
KDS4148U
D925
KDS4148U
C922
2200/25
+
C901
0.01uF/275V/X2
C933
4.7/50
R934
100K
D933
KDS4148U
D935
KDS4148U
D934
UDZS4.7B
ARE CRITICAL FOR SAFETY.
+
* THE COMPONENTS IDENTIFIED BY MARK
* VOLTAGE (MEASUREDWITHVOLTMETER) ISDCVOLTAGE. (NO INPUT SIGNAL)
* ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.
* ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
* CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
REPLACE ONLY WITH PART NUMBER SPECIFIED.
AC_CORD
C911
102J
D912
KDS4148U
1
2
D911
KDS4148U
2
1
T902
NPT-1520JQ
1
2
3
4
5
6
7
8
9
C921
223K
E902
2 3 4
1
1
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.
THAT THE FUSE USED IS SLOW OPERATING TYPE
RATING REFER TO THE MAKING ADJACENT TO THE SYMBOL.
THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
FOR CONTINUED PROTECTION AGAINST FIRE FUSE
HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE
CAUTIONF AFIN D'ASSURER UNE PROTECTION
PERMANENTE CONTRE LES RISQUES
D'INCENDIE, REMPLACER UNIQUEMENT
PAR UN FUSIBLE DE MEME TYPE
ET CALIBRATION COMME INDIQUE.
ATTENTION
V
A
A
V
CAUTION
AND RATING INDICATED.
ONLY WITH FUSE OF SAME TYPE
AGAINST FIRE HAZARD, REPLACE
FOR CONTINUED PROTECTION
RL901
3
4
1
2
JL901A
NSCT-5P876
5
4
3
2
1
E901
2 3 4
1
P901A
NPLG-2P631
2
1
P911
NPLG-2P631
1
2
U0043
POWER SUPPLY PC BOARD
BAETC-0376/ BAETC-0390
<T902>
TYPE
TX-SR308/HT-R380
TX-SR508/HT-R580
TX-SR578/TX-SR608
DTR-30.2
HT-R280/HT-R680
HT-R980/HT-RC230
HT-RC260/DTR20.2
HT-R538
TXSA578
TX-SA608
DC/ DD/ DF
NPT-1520JQ
NPT-1520JQ
---
---
MO/ MQ/ MR/ PA/ PP/ PB
NPT-1520GQ
---
NPT-1520GQ
---
JJ
---
---
---
NPT-1520JQ
<F901>
8A 125V
8A 125V
---
---
T4A L250V
---
T4A L250V
---
---
---
---
10A 125V
<RL901>
NRL-1P5A
NRL-1P5A
---
---
NRL-1P5A
---
NRL-1P5A
---
---
---
NRL-1P10A
(AMP PWB)
<T901>
DD/ DC/ DF
PA/ PP/ PB MO/ MQ/ MR
JJ
TX-SR308 HT-R280 HT-R380
HT-R538 HT-RC230
NPT-1589D
NPT-1589P
NPT-1589M
---
TX-SR508 TX-SR578 TX-SA578
HT-R580 HT-R680 HT-R980
NPT-1594D
NPT-1594P
NPT-1594M
NPT-1594J
TX-SR608 HT-RC260
DTR-20.2 DTR-30.2
NPT-1592D
NPT-1592M
NPT-1592M
NPT-1592J
DC Canadian model
DD USA model
DF Taiwanese model
MO Saidi Arabian model
MQ Hong kong model
PA Australian model
PB
MB U.K. model
PP
MP CE(European) country model
MR Chinese model
JJ Japanese model
<NOTE>
DC/ DD/ DF
MO/ MQ/ MR/ PA/ PP/ PB
JJ
DC/ DD/ DF
MO/ MQ/ MR/ PA/ PP/ PB
JJ
TYPE