Onkyo TA-2820 Service Manual

TA-2820
SCHEMATIC DIAGRAM
NAAR—4165-1
F2.
ENC/DEC
REC MUTE
REC/PLAY
LINE MUTE
HIGH
BIAS CONT
“AN
METER
P.OFF
S.RESET-
+5V
v2
ME
|
|
|
|
|
NAD IS—4166-—1 (3/3)
R702 3.9KX10
Q701
HD614049SA88 or
HD614049SB03
Q701
HD614049SA88 only
JL 702
$702 A SPACE
$704 PLAY
wortauauUns
ills a3
BYSSSVRRRAKN
4
2
pray
aacagee
a ‘
F
91 §]
2SA1815
R706 47K
dear ep Rageeee
q
2
D705
O5AZ5.6Y a
R718
560 ©
O
ts i
@710 O | |
ff) oraiz4es ° 1
(DECK MECHA|
aia kiero
cn ee eS
Q721
BG-924GK
a ba}
worauaUNs
SREBSIRREAKA
NC
NC
NO
a
b
°
d
°
t
Q
h
!
@ THE COMPONENTS IDENTIFIED BY MARK AN 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 “FAW.
@ ALL CAPACITORS ARE IN PF/25WV or pF/SOWV UNLESS OTHERWISE NOTED.
EX) 3pF+030, 33pF+330. 330pF+331. 0, 033 nF4333
@ ALL RESISTORS ARE IN OHMS 1/4 WATTS UNLESS OTHERWISE NOTED.
@ THE THICK LINES IN PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX) emt PRINTING SIDE
@ CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
ONKYO CORPORATION

Onkyo TA-2820 Specifications

General

Brand	Onkyo
Model	TA-2820
Category	Tape Deck
Language	English