Figure 7-22. Microprocessor And Keypad Schematic Diagram - Motorola P100 Series Detailed Service Manual

Circuit Board/Schematic Diagram and Parts List (UHF2 R&TTE: 435–470 MHz)
+3.3V
R194
10K
C140
47nF
TX_AF1 MIC1
C141
NA
C142
470pF
TX_PWR_U/D
FTV
+5V
C1017
470pF R171
R172
10K
10K
R174 100K
R175 51K
R176 24K
R177
C143
20K
0.1uF
Q120
KRC404
Q121
KRC404
AUDIO_MUTE_CON
TX_EN1
TX_EN2
N/S_SW
TEMP_IN
RSSI
+3.3V
C123 C124 R113
0.1uF
1nF 47K
U107
1
KIA7027AT
SWB+
R153
22K(1%)
LOW_BATT
C195
R154
220pF C194
10uF / 16V 20K(1%)
B_S2
B_S1
A_S2
A_S3
FUN_KEY1
MOD_CON_CS
MOD_CON_U/D
FUN_KEY2
PLL_LD
PROGRAM_DATA
LED(GREEN)
LED(RED)
PTT1
All manuals and user guides at all-guides.com
Q4
Q3
Q2
Q1
DCS_SEL
DCS_SEL
PTT2
20KHZ_SEL
PLL_PS
BUSY
PLL_CLK
PLL_STB
PLL_DATA
RX_EN
SQ_CS
SQ_U/D
TX_PWR_LOW
TX_PWR_CS
DTMF_DEC_EN
TX_PWR_U/D 76
BEEP_CON 77
MIC_MUTE2 78
79
DTMF_DEC_EN
80
FREQ_CON3
R173
81
FREQ_CON2
10K
82
FREQ_CON1
83
AUDIO_MUTE_CON
84
TX_EN1
85
TX_EN2
86
N/S_SW
87
RX_TONE_CON1
RX_TONE_CON1
88
RX_TONE_CON2 RX_TONE_CON2
89
90
ANL_SUBTONE_IN
91
VOX
VOX_IN
92
LOW_BATT LOW_BATT_IN
Q122
KRC404
93
TEMP_IN
94
A_GND
95
RSSI_IN
96
+3.3V V_REF
A_VCC
98
LCD_CS
99
LCD_CLK
RX_TONE_EN 100
R178
100K
2
R169
1.2K
R190 R184
15K 15K
7.372MHZ
+3.3V
8 1
+3.3V VCC A0
7 2
OC A1
6 3
SCL A2
5 4
SDA VSS
U104
R139
10K 24LC64
C147
0.1uF(K)
SW_IN2
50
SW_IN3
49
DTMF_CON
48
SW_SCAN1
47
SW_SCAN2
46
SW_SCAN3
45
SW_SCAN4
44
PTT1
43
PGM_BUTTON1
42
PGM_BUTTON2
U101 41
PGM_BUTTON3
LEFT_BUTTON 40
M30302FCPGP
39
38
RIGHT_BUTTON
37
LED(RED) 36
35
LED(GREEN)
34 R195 100R
PRG / CLONE_RX
33 R152 680R
PRG / CLONE_TX
32
FUN_KEY2
31
AK_DATA
AK_CLK 30
AK_CSN 29
28
VOX_EN VOX_EN
27
PLL_LD
26
DTMF_OUT
DTMF_OUT
R185
C145
15pF
0R
R114
10k
R148
FL101
1M
C146
15pF
LCD101
LCD_BEACON
+3.3V LCD Flex.PCB
SWB+
J101
05004HR_07C01S(G)
CR110
CR112
Q110
KRC101
1
CR114
1 2
2 3
3 4
4 5
CR110~CR115 : BL-HG036
5
6
6 7
7 8
8 9
9 10
10 11
11 12
12 13
13 14
15
14
15 16
16 17
17 18
19
18
19 20
20 21
21
22
22
2
1
MIC1
0B27P44(2.8mm)
R108
R109
R112
R119

Figure 7-22. Microprocessor and Keypad Schematic Diagram

7-33
R155
470R
CR111
R156
1K
SH201
CR113 R157
1K
R158
CR115
1K
SH202
+3.3V
L_ARROW
R_ARROW
P1 P2 P3
4.7K
1
2 3
4.7K
4 5 6
4.7K
7 8 9
4.7K
#
* 0