Motorola GP Series Detailed Service Manual page 58

2-18
LED_Enable
Keypad Schematic Diagram GP1280 (PCB No. 8480682Z01)
Vdd
R607
0 J602
DATA
18 PINS CONNECTOR C602
1uF
R608 J602-18 MOSI
CLK R613 J602-17 SCK
0
0 D0 J602-16 D0
D1 J602-15 D1
D2 J602-14 D2
D3 J602-13 D3
D4 J602-12 D4
D5 J602-11 D5
D6 J602-10 D6
R609
A0 D7 J602-9 D7
0 J602-8 A0
R606 R612 0
R_W J602-7 R/W*
0
RESET J602-6 RST*
LCD_SEL J602-5 CS*
LED_EN
J602-4
Vdd
J602-3 Gnd D0
Vdd J602-2 Vdd
R610
SW_B+
0 SWB+ J602-1
D1
R601
J602-19
Q603
J602-20 D2
10K R617
SWB+
D3
D601 D602 D603 D604
79U01 79U01 79U01 79U01
D4
R602
5.1K
D608 D5
D605 D606 D607
Q604
79U01 79U01 79U01 79U01
D6
R603
2.2K
D7
Q605 Q606 Q607 Q608
Q601
C601
100pF
R641 R643 R644 R647
47 47 47 47
Q602
KEYPAD_ROW
Added another resistor in case 20 mA is desired.
KEYPAD_COL
Vdd
Keypad row available only on Prime radio models
ROW3
1
4
2
3
C606
40 PINS CONNECTOR
COL4
100pF
EXT_MIC EXT_MIC
J601-1
VS_CS J601-2 VS_CS
SWB+ J601-3 SW_B+ ROW3
J601-4 Vdd
VS_AUDSEL J601-5 VS_AUDSEL
FLAT_RX_SND J601-6 Rx_Aud_Snd
1
RX_AUD_RTN J601-7 Rx_Aud_Rtn
C603 TX_AUD_SND J601-8 Tx_Aud_Snd
4
100pF TX_AUD_RTN J601-9 Tx_Aud_Rtn
FLAT_TX_RTN J601-10 Flat_Tx_Rtn
2
OPT_ENA J601-11 Opt_Bd_En
RDY J601-12 Rdy/Req
3
URX_SND J601-13 Det_Aud_Snd
ON J601-14 ON_OFF_1
INT_EXT_Vdd J601-15 INT_EXT_Vdd
KEYPAD_ROW J601-16 Key_Row
KEYPAD_COL J601-17 Key_Col COL5
PTT J601-18 PTT
KEY_INT J601-19 Key_Intrp
VS_INT J601-20 VS_INT
RESET J601-21 RST*
LED_EN
R614 LED_Enable J601-22
0
1
OFF J601-23 OFF
VS_GAINSEL J601-24 VS_GAINSEL
SrD_Rtn 4
R615 0 MISO J601-25
SrD_Snd
DATA J601-26
2
R616 R_W J601-27 R/W*
CS*
LCD_SEL J601-28
0 3
DB0
J601-29
DB1
J601-30
DB2
J601-31
0
DB3
J601-32
J601-33 DB4
J601-34 DB5
DB6
J601-35
J601-36 DB7
R618 J601-37 A0
0 A0
1
J601-38 SCK_Snd
CLK
J601-39 VS_RAC
VS_RAC
4
R619 J601-40 Gnd
0
J601-41 Gnd
2
J601-42 Gnd
R620 J601-43 Gnd
0 3
J601-44 Gnd
R621
0
Vdd
1
R622 R624
4
51K 51K
2
R626 R629 R631 R633
3
13K 22K 43K 130K
C604
100pF
ROW2 ROW3 ROW4 ROW5
R627 R630 R632 R634
1
13K 22K 43K 130K
4
2
C605 3
100pF COL2 COL3 COL4 COL5
Vdd
U602
LMC7211
4 2 1
R623 1
KEY_INT
3 4
5
51K
2
R625
560K
3
R628
1MEG
KEYPAD_COL
ROW4 ROW5
M601 M602 M603
SWITCH SWITCH SWITCH
OUT1 1 OUT1 1 OUT1
IN 4 IN 4 IN
2
OUT2 OUT2 2 OUT2
GND 3 GND 3 GND
ROW4 ROW5
M604
M605 M606
SWITCH SWITCH SWITCH
OUT1 1 OUT1 1 OUT1
IN 4 IN 4 IN
- | +
\/
OUT2 2 OUT2 2 OUT2
3
GND 3 GND GND
M607 M608 M609
SWITCH SWITCH SWITCH
OUT1 1 OUT1 1 OUT1
IN
IN 4 IN 4
P1 P2 P3
OUT2 2 OUT2 2 OUT2
3 3
GND GND GND
M610 M611 M612
SWITCH SWITCH SWITCH
OUT1 1 OUT1 1 OUT1
IN 4 IN 4 IN
1 2 3
OUT2 2 OUT2 2 OUT2
3
GND 3 GND GND
M613 M614 M615
SWITCH SWITCH SWITCH
OUT1 1 OUT1 1 OUT1
IN IN
4 4 IN 5 4 6
OUT2 2 OUT2 2 OUT2
3
GND 3 GND GND
M616 M617 M618
SWITCH SWITCH SWITCH
OUT1 1 OUT1 1 OUT1
IN 4 IN 4 IN
7 8 9
OUT2 2 OUT2 2 OUT2
GND 3 GND 3 GND
M619 M620 M621
SWITCH SWITCH SWITCH
OUT1 1 OUT1 1 OUT1
IN IN IN
4 4
* 0 #
OUT2 2 OUT2 2 OUT2
GND GND GND
3 3
COL2 COL3
PCB/Schematic Diagrams and Parts List: Keypad
KEYPAD_ROW
ROW2
ROW3
ROW4
ROW5