Marantz 75DC1010/1B - Micro-Processor Data and IC Data

8. MICRO-PROCESSOR DATA AND IC DATA
MN1873216 (MICROPROCESSOR)
82(DGTS)
SHR
PLL (TCHL)
P12 (BUZZER)
P13 (PWNO)
Pid (TRQO)
PES (1RQ1)
POT (RST)
x0
XI
¥SS
Osch
Osc2
Yoo
VREFH
P20 (ADO)
P21 (ADI)
P22 (AD2)
P23 (AD3)
(DGT4) P83
t P84
P8S
P86
(DGTO) P87
(SEGO) P40
P41
P42
P43
Pa4
P45
Pd6
P47
P50
PSI
PS2
PS3
n
10 MN1873216
Ost) —|
Data esory
Peocrea
OSC2 (QK Bytea)
Menory
(92K Bytes )
tel
P54
P24
(AD4)
P55
P25
(ADS)
vss
|
4.
Ps6
P26
(ADE)
rt
($8615)PS7
P27
(ADT)
WL
SSSSSESSSSSSSS58RR582
GOA
BODOG
SoS
é
s
E>
3——
8
ES
ca
2
“=
MN1O73210
BLOCK
DIAGRAM
(TOP
VIEW)
1
[Pes]
oaGs)
|
[43_|
ADT
_[DOOR
SW
/iode
GK]
1
[DC
|
OPENZ
SV
CLOSES.
4V
OTHERIOV
_/01070]
[2
[Pea
[paca]
Fae
[Ae
|
TAPETRAYSW
|
1
[OG|OPEN23V
CLOSES4V
CTHEROV
|
[3
[Pes
baiaay_
Jo]
H
|
FLDISPLAY
DIGIT
DRIVE
Pas
[abs
|
cD
TRAY
SW
[1
[DC]
OPEN23V
CLOSES.4V
OTHEROV
|
[a
[Pas
[nga
|
[as
[Aba_[
TAPE
SELECT
[1
[DC[METALSV
CrOZ3.0VNORWALT.OV
|
[rs
[
Per
|
00Gn
aps
|__KEYB{1]OC|KevYSwOSSCSC~C~*d
6
[Pao_[
Sort)
[as
[aba
_|_KEYA
[1
]oC[Kevsw
CSCS
[4s
[Abt
[METER
[1
[DC]LEVELMETERRCH
Fa
S2(P3)
[so]
abo
|
METERL
|
[OC]
LEVELMETERLCH
S3(P4)
Vet
[VAEFH]
_AVREFH
|
-|
-
|
AD
CONVERTER
REFERENCE
VOLTAGE.8V|
[io
|
paa_[
sara)
__|
[ee
[
veo
[|
voo_{-|-|vobev
[11
|
Pas
$5(P6)
osc2
[
_osc2_——s
|
- |
—
| MAINCLOCK
8.38MHZ
P46
$6(P7)
| 54
|
osc1[
_osci
~—s|
—
| —
|
MAIN
CLOCK
8.38MHZ
rss
|
vss_|_vss___|
-
|
~
|
VSS
GND
[14
{
P50
S8(P9)
pss
xt
|
[=|
=
[NC
P51
$9(P10)
O|H
FL
DISPLAY
SEGMENT
DRIVE
ls7
| xo
[|
xo
sf
~
|
~
[
NC.
[16
|
P52
$10(P11)
| 58
|
Res
|
RESET
_—si['1
| L
|
uw
~
PROCESSOR
RESET
P53
$11(P12)
|
59
|
IRO1
|
REMOTEIN
[1
|
L
[
REMOTE
INPUT
| 18
|
P54
$12(P13)
|
60 | ROO
[
—_—BLKCK
_—i['1
|
H
|
SUB
CODE
BLOCK
CLOCK
SIGNAL
sea
|
S13P14
rei_|
pis
|
STANDBY
|]
H
|HIGHSTAND
BY
ON
LOWSTAND
BY
OFF
|
P56
$14(P15)
[62
[
Pi2
| |
coMUTE
_[O]
H
[HIGH:MUTEON
LOW-:MUTE
OFF
P57
$15(P16)
63
REMOTE
OUT
REMOTE
OUTPUT
pe0_|
_St6(P17)
64
Pa
a
[ofr
[caameTO
SR
Teo
—
per
|
St7P
18)
Pes
|
pos
[_Mctk
[0]
P
[COMMAND
CLOCKSIGNAL
a
SETAE)
[ee
[_poa_|
systemsw
[i]
L[SYSTEMINPUT
LOWSYSEM
|
ott
PO3_[__MDATA
[©]
[COMMAND
OATAOUTPUT
[26[
pes
|
DATA
|
0
|
P
|
DOLBY,
74HCa034
CONTROL
DATA
|
68
|
Po2_|
SOCK
|
O|
P
[SUBCODEORESISTERCLIGK
P65
Glock]
0]
P|
DOLBY,
74HC4094
CONTROL
CLOCK
|
68
| Po1_|
SUBO__|1|
P[SUBCODEQCODEINPUT
2a
| pes_[ENABLET|O|H[ENABLEFORDOLBYIC
_—_—~—=—S«
70.
Poo
|
umirsw
[1
[U
[uMirsw
LOWINSIDE
|
r2a_[
p67]
ENABLE
[0]
H
[ENABLEFORTaHCa0ea
——SC<d
|
OM
OM
Sd-P-
[NGS
por_[
~~
PLAYSW
[1]
L
|LOWPLAY
HiGHSToP
|
ve
{
Sync]
sync
[-[-
[NGC
Pas
| FWOREC_[1|L[LOWFWDREC
HIGHANTIREC
|
73
|
VPP
vePp____|—|—|FLDRWEVOLTAGE
SOV
Pos
|
REVREC
[1]
t
|LOWREVAEC
HIGHANTIREC
|
74]
P70
|
TAPECLOSE
|O|H[TAPETRAYCLOSE
[33
[
P34
[DOOR
OPENICLOSE|
0
|
>
[ SV-OPEN
OV.CLOSE
25vVSTOP
|
75
|
P71
|
TAPEOPEN
[O|H|TAPETRAYOPEN
|
P33]
T-LOcK
[1]
L
|
TRACKING
SERVOLOCKSIGNAL
|
76]
P72
|
cDCLOSE
|O|
H|CDTRAYCLOSE
ras{
ps2]
F-LOcK
|
1]
L
[FOCUS
SERVO
LOCKSIGNAL
|
77
|
P73
|
CDOPEN
[O[H|CDTRAYOPEN
Pai|
STAT
[1
|
P|STATUSSIGNAL———SSSCS~S78
| P78]
TAPEMOTE
|
O|
L
[LOW:TAPEMUTEON
HIG
OFF
ra7_[-pa0_|
POWER
DOWN
[1
|
U
[POWER
OFFDETEGT
|
78
|
P75
_|
TAPEHI-
SPEED
||
L
| LOW:HI-
SPEED_HIGHINGAMAL
-
SPEED
pos_|
_SENSE___|
1]
P
[SENSESIGNALINPUT
|
80
| P76
|
SOLENOID
|O|[H|SOLENODORVE
poo
|
ODReseTo[t|cpreser
——~———~SCS~S
81
| P|
CAPSTAN
[O|H[CAPSTANMOTORORIVE
[ao-[por
|
T-AeeL
[1
|
P| TAKEUPREELPULS—~SSC=d«
|
PB
D7(G8)
lai}-poo_
|S
REEL__]1[
P
[SUPPLYREELPULS
~~~
23
|
Pei
|
8G?)
Jo|
H|
FLOIsPLaYDiGIT
RIM
[a2
[VREFL
_AVREF’
|
-
|
-
|
AD
CONVERTER
REFERENCE
VOLTAGE
Sv
|
64
| Pa2
05(G8)
2
© PoS 79 717