Schematic Diagram - Onkyo TX-2100 Service Manual

A

SCHEMATIC DIAGRAM 1

DISPLAY SECTION
1
2
3
4
NOTE
.
THE COMPONENTS IDENTIFIED BY MARK
5
REPLACE ONLY WITH PART NUMBER
. VOLTAGE (MEASURED
WITH VOLTMETER)
. ELECTROLYTIC CAPACITORS (
) ARE IN 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.
B
HNA-12MM49 OR 12-BT-102GK
Q702
Q706 R707 100K
2SC1740S
Q705
2SC1740S
65
P10
66 P9
67 P8
68 P7
69 P6
70 P5
71 VLOAD
72 P4
73 P3
74 P2
75 P1
76 12G
77 11G
78 10G
79 9G
80 8G
ARE CRITICAL FOR SAFETY.
SPECIFIED.
IS DC VOLTAGE.
(NO INPUT SIGNAL)
u
R706
100K
STAND-BY
D709 SEL4110R
R712
270
Q701
MPD78044FGF-217-3B9
R767 - R769 1K
R772 - R774 1K
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.
C
R777
2.2K
POWER 40
R758
1K
SPARL 39
R759
1K R715
SPBRL 38
R789 10K
1K
F-MUT 37
R790
1K
T-MUT 36
D710
R714 10K
X2 35
X1 34
VSS 33
XT2 32
XT1 31
D711
AVREF 30
R718
AVDD 29
R729
K0 28
R719
R730
K1 27
R720
R731
K2 26
R721
R732
K3 25
R729 - R732 4.7K
R718 - R721 3.3K
R733
R726
C705
4.7K
10
103Z
R717 47K
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.
TX-2100
D
R706
10K*12
C724
103Z
D704
L701
NCH-1452
C703
100/6.3
C701
0.01F
C702
474
R722
3.3K