Kenwood DPC-193 Service Manual page 4

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