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A
SCHEMATIC DIAGRAM 6
Power supply section
1
2
3
4
U11
5
B
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)
. ELECTROLYTIC CAPACITORS (
) ARE IN
u
F/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.
CAUTION
FOR CONTINUED PROTECTION
AGAINST FIRE HAZARD, REPLACE
ONLY WITH FUSE OF SAME TYPE
A
V
AND RATING INDICATED.
ATTENTION
AFIN D'ASSURER UNE PROTECTION
PERMANENTE CONTRE LES RISQUES
D'INCENDIE, REMPLACER UNIQUEMENT
A
V
PAR UN FUSIBLE DE MEME TYPE
ET CALIBRATION COMME INDIQUE.
TO NAAF-8397 P955 (SCH. 4)
U5
J910
P915
P916
C
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
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.
NAPS-8382
C922
J929
(1W)
470/25
C921
+10VSS
J930
223Z
R924
10V
+10VS
R921
R926
8.2
MPUGND
0
4.7K
MPUGND
R922
POWER
10K
Q921
KTC3199-GR
D921-D924
D925
2SC1740S-R,S
GP104003E OR
2SC2458-GR
RL1N4003
1SS133 OR 1SS270A
RL901
C901
T902
103M
/275VAC
J907
F903
5A 125V
F901
10A 125V
P902
AC OUTLETS
TOTAL 120W
1A MAX
TX-SR55
NPT-1502D
R923
T901
1K
U7
NAETC-8384
P912B
P912
1
3
5
P911A
7
P911
D
NAPS
U1
NAET
U1
2
8
9
10
(
11
R9
1 (1
12
13
14
2.5
15
16
17
18
19
T
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