HT-R550
SCHEMATIC DIAGRAMS-8
POWER SUPPLY SECTION
HT
-R550
U07
POWER SUPPLY PC BOARD
+12VD
MPUGND
+10VS
POFF
POWERD
FLA
C1
FLA
C2
SEC3_2
SEC3_1
SEC2_1
SEC2_2
1
3
Except WMO Type
F903
T901
S3
S2
S4
S1
F910
NAPS-9151
NAPS-9150
RL901
3
4
1
2
C933
4.7/50
C930
100/35
+
C931
10/50
P911
1
2
C902
104J
R930
100K
R931
100K
R932
82K
R933
10K
J932
R934
100K
J931
C922
+
C921
223Z
T902
1
2
3
4
5
6
7
8
9
Q930
SI-3010KF
1
Vc
2
Vin
3
GND
4
Vo
u
t
5
ADJ
C911
102J
D923
1SS133
D911
1SS133
D912
1SS133
D935
1SS133
D933
1SS133
D931
1SS133
D921
1SS133
D924
1SS133
D922
1SS133
D925
1SS133
R921
LIST
C932
100/16
D930
1SS133
D934
MTZJ5.1B
P923A
P924A
P925A
JL901A 5
4
3
2
1
P941A
P942A
E902
E901
P902
C901
103M/275VAC
J933
P921A
P922A
P901A
C9101
104J
R9102
8.2(1/2W)
R9101
8
9
10
11
13
14
12
JL9101A
1
2
3
4
5
6
T
o
NA
VD-9178(2/2)
(SD-6 :
A3)
To NAVD-9178(2/2)
(SD-6 : A3)
T
o
NAPS-8780
(SD-2 :
A5)
U08
TRANS. SEC. TERMINAL
PC BOARD
NC
NC
!
AGAINST FIRE HAZARD, REPLACE
V
A
FOR CONTINUED PROTECTION
AND RATING INDICATED.
ONLY WITH FUSE OF SAME TYPE
CAUTION
ATTENTION
ET CALIBRATION COMME INDIQUE.
D'INCENDIE, REMPLACER UNIQUEMENT
PERMANENTE CONTRE LES RISQUES
AFIN D'ASSURER UNE PROTECTION
PAR UN FUSIBLE DE MEME TYPE
V
A
E LENT.POUR UNE PROTECTION PERMANENTE,N'UTILISER
INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.
QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST
CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST
FOR CONTINUED PROTECTION AGAINST FIRE
RATING REFER TO THE MARKING ADJACENT TO THE SYMBOL.
HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE
THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
THAT THE FUSE USED IS SLOW OPERATING TYPE
!
!
!
F901
LIST
NC
!
!
!
!
MDD, MDC
MPA
TYPE
1520JQ
1520GQ
T902
MDD, MDC
MPA
TYPE
8A 125V
T4AL250V
F901
LIST
MDD, MDC
MPA
TYPE
120V, 60Hz
230 - 240V, 50Hz
AC IN
NC
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.
!
NOTE
<Note>
NC = No mount of parts.
SD-Z : XY
Location of connected terminal in schematic diagrams.
SD-Z = Schematic diagrams-Z. X = A to H, Y = 1 to 5.
NC
LIST
!
Refer to following table about the parts displayed by mark "
LIST
".
R9101
0.1(1/2W)
0.22(1/2W)
TYPE
MDD, MDC
MPP
R921
56(1/2W)
NC
J931
JUMPER WIRE
NC
C922
2200/25
2200/35
LIST
PRI
Refer to following table about the parts displayed
by mark "
LIST
".
A
1
2
3
4
B
C
D
E
