Onkyo TA-2820 - Microcomputer; HD614049 SA88;SB03 Microcomputer

TA-2820
MICRO COMPUTER
HD614049SA88 (1 ~ 14800)
HD614049SB03 (14801 ~)
GRID 7 —# [ i}D112 D10 164 hm GRID a Display
GRID 6 —~# 63 - GRID 9
GRID
5
—d
3]
D13
De
[62
GRID
4
—~#
[4|
Dia
p7
[61
GRID
1
—#
5|
Dis
Ds
|60}
=
NORMAL
SEG.
a
6]
Roo
ps
{59]
h-
HIGH
esc
EQ
selecte
; SEG, b pa [58] b= METAL ;
Display Bee aces Falias 3 lao —" prone x — Power off detection
SEG.d — {a} ros p2 |5 6}. E. SENSOR
SEG.e —d 10} R10 D1 bs},
SEG. f —# Wits 54 “bo —_
SEG.
g
—
12|
R12
Gnp
[53}-—_—__—
SEG.
h
—e
fia]
nis
Osc2
Sra
ea
SEG. i —e 14| R20 51
Dolby
DEC/ENC
—«a
5]
R24
TEST
[50]
+5v
REC MUTE ———— 16} R22 RESET {4 0}—d-—--—_ SYSTEM RESET
@
nos
(48
HIGH
C=CLEAR p—p—{i 8] RAO noz (47 TAPE IN
rks (1 9] rot [46] REC INH.
REPEAT pf R30 noo [45 pm, METAL
srr
eas
R83
144
bb
CAP.
MOTOR
“FE
b
22|
R32
rez
[43]
m-
FF
REC d p [23] R33 nai {4 2] Pm REW
PAUSE Bp 24] R50 rso [41] B O-PLAY reel motor rotation torgue
AUTOSPACE —p-[25] R51 R73 (40) i SOLENOID
PLAY —p-lo. 6] R52 n72 [39] NOT USED
3 onto? a R71 (38 — cS
BIAS CONT. ~<a [28] Reo em SCK > level meter
REC/PB —=d 29} R61 R43 (3 6|—«d————— DATA
LINE MUTE — 30] R62 R42 135] ier F. T
NRSC OUT —d 31] R63 nai [34 p——0
+5v [32| Vcc 33 NRSC IN