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DVP-NC875V
3-19
3-20
3-10. INTERFACE CONTROL BLOCK DIAGRAM
VFD DRIVER CIRCUIT
1 2
49 50
SEG 1-21
DIG 1-8
5
34
49
69
39
ND 401
FLORESENT
INDICATOR TUBE
46
70
77
LDMM
LMCTL (PWM)
LDMP
CKSW1
CKSW1
OCSW1
OCSW1
OCSW2
OCSW2
DSENS
DSENS
TSENS
TSENS
28
12
25
9
13
22
6
14
7
20
15
16
17
23
24
26
80
35
34
36
11
36
7
9
2
4
FIN
AIN
8
/RST
30
31
TAMP
TAMM
1
40
VKK
OUT
1-2
IC 408
VOUT
EVER+3.3V
TO MB
LDM
LM
REL
FWD
CN 403
CTL
+
-
LDM +-
TO TRAY
-EVER+3.3V
CN 404
4
6
7
1
3
2
10 11
8 9
1 2
4 5 3
5
3
-SW
-10V
-SW+8V
TO MB
CN 401
SW-10V
27
12
10
7
8
5
3
4
2
9
1
3
4
5
6
2
8
5
4
2
3
2
3
5
4
KEY POWER
KEY PLAY
KEY STOP
IR
42
41
SACD LED
MULTI LED
KEY OPEN/ CLOSE
PROG LED
IC 404
IF CON
SYSAST
/CS
SI
SO
/SC
/AMUTE
/VMUTE
BUSY
PCONT
CN 402
CN 405
SYSRST
XIFCS
SOO
SIO
SCO
A-MUTE
V-MUTE
XIFBUSY
PCONT
CN 501
CN 601
D602
D603
S601
POWER
IC403
2
3
XIN
XOUT
X401
8MHZ
1
IC 501
S510
S511
S512
S513
S514
S508
STOP
PROG
4
3
2
1
S509
S510
S511
S505
S504
S503
S502
R504
R505
R506
R507
S501
D501
CN 502
OPEN/
CLOSE
EXCHANGE
PROG SEL
R512
PLAY
PAUSE
PREV
NEXT
5
R513
S508
R514
S509
S507
S506
DISC
SKIP
11
7
8
9
6
10
4
10
9
2
3
SACD
MULTI
IF-114 BOARD
(SEE PAGE 4-17 to 4-18)
TO MB-117
(SEE PAGE 3-3 to 3-4)
SW-423 BOARD
(SEE PAGE 4-21 to 4-22)
FR-218 BOARD
(SEE PAGE 4-23 to 4-24)
Содержание DVP-NC875V
Страница 84: ...7 4E DVP NC875V MEMO ...