Figure 10-7. Microprocessor And Keypad Schematic Diagram - Motorola P100 Series Detailed Service Manual

Circuit Board/Schematic Diagram and Parts List (VHF: 136–174 MHz)
BUSY
PLL_CLK
PLL_STB
PLL_DATA
+3.3V
RX_EN
R194
SQ_CS
6.8K
SQ_U/D
C140 TX_PWR_LOW
47nF
TX_PWR_CS
TX_AF1 MIC1
C141
NA TX_PWR_U/D
C142
470pF
+5V
R171 R173
R172
10K
10K 10K
R174 120K
R175 47K
R176 30K
FTV
R177
C143
56K
0.1uF
Q120
KRC404
Q121
KRC404
+3.3V
Q122
KRC404
+3.3V
+3.3V
R167
100K
R165
R1005 R1004
3K
10nF 10K
DTMF_OUT
BEEP
C E
KTA2014
R168 R169
C198
Q112
100K 1.2K
NA B
C E
KTA2014
Q111
R163
B
100K
R164
100K
SWB+
C195
220pF
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Q4
Q3
Q2
Q1
STD
U106_SW
PTT2
20KHZ_SEL
PLL_PS
TX_PWR_U/D 76
77
BEEP_CON
MIC_MUTE2 78
79
DTMF_DEC_EN
PWDN
80
FREQ_CON3
81
FREQ_CON2
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
AUDIO_MUTE_CON RX_TONE_CON2
89
90
TX_EN1 TIGHT_SQ
TIGHT_SQ
91
TX_EN2 VOX
VOX_IN
LOW_BATT 92
N/S_SW
LOW_BATT_IN
93
TEMP_IN
94
R507 A_GND
10K 95
RSSI RSSI_IN
96
+3.3V V_REF
RT501 97
A_VCC
10K (TH)
C124
98
C123 R113 LCD_CS
1nF
0.1uF
47K
LCD_CLK 99
RX_TONE_EN 100
R178
100K
C144
U107
1 2 0.1uF(K)
KIA 7027AT
C145
15pF
R190
R184
15K FL101
15K
7.3728MHZ
C146
15pF
+3.3V
FUN_KEY1
MOD_CON_CS
MOD_CON_U/D
FUN_KEY2
R153
PLL_LD
68K(1%)
C194
PROGRAM_DATA
LOW_BATT
0.1U
RX_TONE_EN
LED(GREEN)
R154
47K(1%)
LED(RED)
CR101
NA
1
8
+3.3V
VCC A0
2
7
OC A1
3
6
SCL A2
5 SDA VSS
R139 U104
10K
C147 24LC64
+3.3V
0.1uF(K)
SWB+
U102_SDATA
U102_SCLK
U102_CSN
50
SW_IN3
DTMF_CON 49
48
SW_SCAN1
47
SW_SCAN2
46
SW_SCAN3
45
SW_SCAN4
44
PTT1
43
PGM_BUTTON1
42
PGM_BUTTON2
41
PGM_BUTTON3
U101
40
LEFT_BUTTON
M30302FCPGP 39 R193 10K
38
RIGHT_BUTTON
37
36
LED(RED)
35
LED(GREEN)
34 R195 100R
PRG/CLONE_RX
R152 680R
33
PRG/CLONE_TX
32
FUN_KEY2
31
AK_DATA
30
AK_CLK
29
AK_CSN
28
VOX_EN
VOX_EN
27
PLL_LD
26
DTMF_OUT
R185
0R
R114
R148 10K
1M
B_S2
B_S1
A_S2
A_S3
PTT1
LCD101
LCD_BEACON
LCD Flex.PCB
J101
05004HR - 0701S(G)
CR110
Q110
CR112
KRC104
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
14 15
15 16
16 17
17 18
18
19
19 20
20 21
21
22
22
2
1
MIC1
0B27P40
R108
R109
R112
TONE_IN
R119

Figure 10-7. Microprocessor and Keypad Schematic Diagram

10-5
R155
470R
R156
CR111
1K
SH201
CR113 R157
1K
R158
CR115
1K
+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 #