IC5
SHOCKPLOOF
SM5859AF
IC6,7
DRAM
AN8889
(KSM-542AAA)
/ / /
/ / /
/ / /
FROM IC4 (Rch)
J105
LINE OUT
J102
J104
Rch
Lch
H. P JACK
OPT.OUT
NJM2073M
VOLUME
J103
REMOTE
LMT.
SW
AN8838SB
Lch
IC9
MM662746RPK1
DPC-193/392/393/395/692/792/793/993
4
CIRCUIT DESCRIPTION
Pin No.
Name
I/O
Description
Remarks
57-59
P66,67,70
–
No use
60
RECHARGE
I
Rechargeable battery detection port
61
LIGHT OUT
–
No use
62
MLD
O
Latch signal port(to MN662746RPK1)
63
SENSE
I
Sensitive signal port
64
FLOCK
I
Focus servo
IN=L
65
TLOCK
I
Tracking servo
IN=L
66
STAT
I
Status signal port
67
RST
O
Reset signal port(to MN662746RPK1)
68-71
P83-86
–
No use
72
DIGITAL OUT
O
Digital output control
73
P81
I
Memory selector
NO=H,4M=H,16M=L
74
P80
I
Memory selector
NO=L,4M=H,16M=L
75-85
SEG15-25
–
LCD segment signal
86-100
SEG0-14
O
LCD segment signal
1-2 Microprocessor periphery block diagram
DPC-193/383(k)
COVER(
98.12.14
10:49
y [ W 8
