Block Diagram; Er-5200 - Sam4s ER-5200 Service Manual

11 Block Diagram

11-1 ER-5200

PR I N TER JO U R N AL SI D E ( STM - 210)
PR I N TER R EC EI PT SI D E ( STM - 210)
LF A/ C VPH
M O T M O T +8. 5V
VPH
O N / O FF
VPR T
+8. 5V
M O T D R I VE
LB1838
A/ C M O T
D R I VE
SAM4S ER-5200 Series
BM AR K
A/ C U T
N / EN D
SEN SO R P/ EN D
LEVER
BU FFER
R ESET
74H C 541
C S_BU FFER #1( 74H C 541)
TH ER M I STER
TPH _C LK, D ATA
LATC H , nSTR O BE
AD C nR ST
C PU
M 30800SFP
FA16, 17
nC S_EPR O M
FI SC AL VO LT. FI SC AL I / F
D R I VE 82C 55
12. 5V 6. 2V FA( 0: 15) FD ( 0: 8)
FI SC AL M EM O R Y B' D
512K/ 1M / 2M BI Ts
SPO O L
PO W ER
M O TO R
TR AN S
AC 24V
AC 30V
SPO O L
D R I VE
PO W ER
C I R C U I T
VC C VD R V VPR T VD I SP
+5V +24V +8. 5V +30V
P_FAI L
LATC H
D ETEC T
74H C 574
C S_LATC H ( 74H C 574)
BU ZZER
D R I VE
nI N T0
Fl ash R O M
AM 29F800
nR D ,nW R
XI N
D EC O D E#1
AD D ,nC S
74H C 138
SSC G
D EC O D E#2`
AD D ,nC S
14. 7456M H z 74H C 138
C S_LC D
C S_8255
D R AW ER
#1, 2
D R AW ER
D R I VE
R EAR
10 D I G I T
FR O N T
10 D I G I T
VFD
D R I VE
BU ZZER
2KH z
A( 0: 20)
D ( 0: 7)
SR AM
SR AM
8M BI Ts
2M BI Ts
EPR O M
27C 4001
nC S
C S_LATC H ( 74H C 574)
C S_BU FFER #1( 74H C 541)
C S_KEYSC AN
KEY & M O D E
SC AN R ETU R N
SC AN R ETU R N
LI N E LI N E
KEY BO AR D
M O D E KEY
I R C I / F
or R S232
SER I AL
I / F
R S- 232
2 PO R T
R TC
32. 768KH z
C S_BU FFER #2( 74H C 541)
BU FFER
74H C 541
C LER K
KEY
11-1