Kenwood DP-1100 B Service Manual page 72

2. IC OPERATION OF EACH CIRCUIT AND PIN DESCRIPTION
Pin description of I C 1 5 ( T M P 4 7 4 0 N )
Signal
Pin No.
Port name
name
1 MDO
R40
2
R41 MD1
R4 R4 R4 R4
3 MD2
R42
4 R43 MD3
5 R50 MD4
6 R51 SVCS
R5 R5 R5 R5
7 R52 A2
8 R53 A1
9 AO
R60
10 R61 A3
R6 R6 R6 R6
11 R62 A4
12
R63 A5
13 R70 DO/QDAd
14 R71 D1/QDAC
R7 R7 R7 R7
15 R72 D2/QDAD
16 R73 D3/QDAa
17
P10 A6
18 P11 A7
P1 P1 P1 P1
19 P12 A8
20
P13 A9
IN/OUT Level
Outputs various mode data and kick data outputs to IC15 (TC15G008AP) for interface with
L
0
the servo system.
Outputs various mode data and kick data outputs to IC15 (TC15G008AP) for interface with
0 L
the servo system.
Outputs various mode data and kick data outputs to IC15 (TC15G008AP) for interface with
0 L
the servo system.
Outputs various mode data and kick data outputs to IC15 (TC15G008AP) for interface with
0 L
the servo system.
Data select signal output to ICI 5 (TC15G008AP). (The kick control data at " H " level and
0 L
the mode control data at " L " level.)
l/N L
Operation start/stop control signal to the servo control microprocessor IC12 (MB88201)
0 L Address data output to the external RAM IC14 (TC-5514P).
0 L Address data output to the external RAM IC14 (TC-5514P).
Address data output to the external RAM IC14 (TC-5514P).
0 H
0 H Address data output to the external RAM IC14 (TC-5514P).
0 H
Address data output to the external RAM IC14 (TC-5514P).
0 H Address data output to the external RAM IC14 (TC-5514P)
1 Data input terminal of the subcode Q from IC8 (TC-9178), (T-6391).
I/O H
2 Data input/output terminal.with the external RAM IC14 (TC5514).
1 Data input terminal of the subcode Q from IC8 (TC-9178), (T-6391).
I/O H
2 Data input/output terminal with the external RAM IC14 (TC5514).
1 Data input terminal of the subcode Q from IC8 (TC-9178), (T-6391).
I/O H
2 Data input/output terminal with the external RAM ICI 4 (TC5514).
1 Data input terminal of the subcode Q from IC8 (TC-9178), (T-6391).
I/O H
2 Data input/output terminal with the external RAM IC14 (TC5514).
H
0 Address data to the external RAM IC14 (TC5514).
0 H Address data to the external RAM IC14 (TC5514).
0 H Address data to the external RAM IC14 (TC5514).
0 H
Address data to the external RAM IC14 (TC5514).
T a b l e 2 - 3 - 1 A
Function/operation
DP-I I D OB/ n
75