Kenwood TR-2600A - Page 11

Terminal Terminal
No. name
n°) rs os e)
In- jOut-
Put | put
CIRCUIT DESCRIPTION
Function
TX STOP output H : Active
Terminal
No.
Terminal
name
TR-2600A/E
Function
2 P40 O | Output CD ON/OFF 51 P73 CTM, EN from Main u-processor
3 X2 Open 52 P72 R/R SW Detect, H : Active
4 X14 GND 53 P71 DCL SW CHECK, H: Active
5 54 P70 MTC, EN from DCL
6 55 P22 © | CHL Jight signal output
7 56 P21/POUT © | ATX Auto TX, H: Active
8 Open 57 P20/PSTB O | BAL, 145:~L,155:H
9 BUSY Detect, BUSY: L
. 58 P13 ce)
2 © | LCD segment signal VACANT : H
11 59 Pi2 ° TX Detect, H : Active
te
12 60 P11 e) UNLOCK Detect, H : Active
2 © | Open 61 P10 (e) CHL SW Detect, H : Active
17 62 P33 PLL EN
18 AFC audio output cut signal,
: 63 P32 :
2 © | LCD segment signal H : Active
22 64
23 Open 65 P31 “| K.LOCK, CALL CHECK
24 Type check To P60—-63
: 66 P30 ;
2 © | LCD segment signal | through diodes
t
32 z| 67 PO3/S! oO | | Serial data input (from DCLS)
33 68 P02/SO xe) | Serial data output (PLL, DCLS) |
34 oO |} LCD segment signal ; PLL, CLOCK for M/A,
69 PO1/SCK
Normally H
T ene
| Open 70 POO BACK UP Detect, L : Active
P63 ° | KEY SCAN input C4
LCD segment signal P62 fe) | KEY SCAN input C3
P61 | 0 | KEY SCAN input C2
+ |
| Open oO KEY SCAN input C1
| © | LCD segment signal co) KEY SCAN output R4
a
Open 76 P52 O | KEY SCAN output R3 |
, 77 i P51 O | KEY SCAN output R2
LCD segment signal ——— i :
78 P50 O | KEY SCAN output R1
GND 79 P43 | BAH, 145:H, 155.4
RESET SW 80 P42 © | BZ Beep sound
Table 13 uPD7514G-026-12 Terminal function (Key board ass’y {C1)
11