Figure 7-37. Microprocessor And Keypad (Mdc1200 And Qcii) Schematic Diagram - Motorola P100 Series Detailed Service Manual

Circuit Board/Schematic Diagram and Parts List (UHF2: 435–480 MHz)
PLL_CLK
PLL_STB
PLL_DATA
MDC/QC_IN
RX_EN
SQ_CS
TX_PWR_LOW
TX_PWR_CS
QC2_EN
FTV
+3.3V
+5V
C1017
470pF R171
R194 10K
10K
C140
47nF
R174 100K
MIC1
TX_AF1 R175 51K
R176 24K
C141
NA
C142 R177
C143
470pF 24K
0.1uF
Q120
KRC404
AUDIO_MUTE_CON
TX_EN1
TX_EN2
N/S_SW
RX_TONE_CON1
RX_TONE_CON2
EV_U/D
VOX_IN
LOW_BATT_IN
MOD_CON_CS
RSSI
C123 C124 R113
0.1uF 1nF 47K
SWB+
R153
68K(1%)
C195
R154
220pF
C194 47K(1%)
10uF/16V
B_S2
B_S1
A_S2
A_S3
FUN_KEY1
DYMF/MDC_ENC
FUN_KEY2
PROGRAM_DATA
LED(GREEN)
LED(RED)
PTT1
VOX_EN
PLL_LD
Q4
Q3
Q2
Q1
DCE_SEL
PTT2
20KHZ_SEL
PLL_PS
DTMF_STEER
QC2_EN 76
BEEP_CON
77
MIC_MUTE2 78
79
DTMF_DEC_EN
80
FREQ_CON3
R172 R173
10K 10K 81
FREQ_CON2
82
FREQ_CON1
83
AUDIO_MUTE_CON
84
TX_EN1
85
TX_EN2
86
N/S_SW
87
RX_TONE_CON1
88
RX_TONE_CON2
89
EV_U/D
Q121
KRC404 90
ANL_SUBTONE_IN
91
VOX_IN
Q122
92
KRC404 LOW_BATT_IN
93
MOD_CON_CS
94
A_GND
95
RSSI_IN
96
V_REF
97
A_VCC
98
LCD_CS
99
LCD_CLK
RX_TONE_EN 100
R178
100K
+3.3V
U107 R190
R184
1 2
15K
15K
KIA 7027AT
C144
0.1uF(K)
+3.3V
LOW_BATT
CR101
NA
8 1
+3.3V VCC A0
R189 7 2
OC A1
10K
3
6
SCL A2
5
SDA VSS
R139 U104
10K 24LC128L
C147
0.1uF(K)
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
41
PGM_BUTTON3
U101
40
LEFT_BUTTON
M30302FGPGP
39
38
RIGHT_BUTTON
37
MDC_EN
36 MDC_EN
LED(RED)
35
LED(GREEN)
34 R195 100R
PRG/CLONE_RX
33 R152 680R
PRG/CLONE_TX
32
FUN_KEY2
31
AK_DATA
30
AK_CLK
AK_CSN 29
EPP_DATA
28
EPP_CLK
27
DTMF/MDC_ENC
26
C145 R185
15pF
0R
R114
FL101
10K
14.7456MHZ R148
(3225) 1M
C146
15pF

Figure 7-37. Microprocessor and Keypad (MDC1200 and QCII) Schematic Diagram

LCD101
LCD_BEACON
+3.3V LCD Flex.PCB
SWB+
J101
05004HR - 0701S(G)
1
1 2
2 3
3 4
4 5
5 6
6 7
7 8
9
8
9 10
11
10
12
11
12
13
13
14
14 15
15 16
16
17
17 18
18 19
19 20
20 21
21 22
22
2
1
MIC1
0B27P44(2.8mm)
+3.3V
TP3
TP9
TP6
TP10
TP5
TP2
TP4
TP8
R115 TP1
R193
10K
10K TP7
C1035 C1036
C1034
47pF 47pF
47pF
7-57
R155
470R
R156
CR110 CR111
1K
SH201
R157
CR112 CR113
1K
Q110
KRC101
CR114 CR115 R158
1K
CR110~CR115 : BL - HG036
SH202
+3.3V
L_ARROW R_ARROW
P1 P2 P3
R108 4.7K
1 2 3
R109 4.7K
4 5 6
R112 4.7K
7 8 9
R119 4.7K
* 0 #