Figure 13-20. Microprocessor And Keypad (Mdc1200 And Qcii) Schematic Diagram - Motorola P100 Series Detailed Service Manual

13-32
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
6.8K
C140
47nF R174 100K
TX_AF1 MIC1
R175 51K
R176 24K
C141
NA
R177
C142 C143
24K
470pF
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

Figure 13-20. Microprocessor and Keypad (MDC1200 and QCII) Schematic Diagram

All manuals and user guides at all-guides.com
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
R173
R172
10K 81
10K 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
90
KRC404
ANL_SUBTONE_IN
91
VOX_IN
92
Q122
LOW_BATT_IN
KRC404
93
MOD_CON_CS
94
A_GND
95
RSSI_IN
96
+3.3V V_REF
97
A_VCC
98 LCD_CS
99
LCD_CLK
RX_TONE_EN 100
+3.3V
R178
100K
U107
R190
R184 FL101
1 2
15K
15K 14.7456MHZ
KIA 7027AT
(3225)
C144
0.1uF(K)
+3.3V
LOW_BATT
CR101
NA
8
1
+3.3V
VCC A0
R189 7
2
OC A1
10K
6 3
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
40
U101 LEFT_BUTTON
39
M30302FCPGP
38
RIGHT_BUTTON
37
MDC_EN
MDC_EN
LED(RED) 36
35
LED(GREEN)
R195 100R
PRG/CLONE_RX 34
33 R152 680R
PRG/CLONE_TX
32
FUN_KEY2
31
AK_DATA
30
AK_CLK
AK_CSN 29
EPP_DATA
28
EPP_CLK
27
26 DTMF/MDC_ENC
C145 R185
15pF 0R
R114
R148 10K
1M
C146
15pF
C1035
C1034
47pF
47pF
Circuit Board/Schematic Diagram and Parts List (UHF1: 403–447 MHz)
LCD101
LCD_BEACON
+3.3V LCD Flex.PCB
SWB+
J101
05004HR - 0701S(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
13
12
14
13
14 15
15 16
16 17
17 18
18
19
19
20
20
21
21 22
21
22
22
2
1
MIC1
0B27P44(2.8mm)
R108
R109
R112
R119
+3.3V
TP3
TP9
TP6
TP10
TP5
TP2
TP4
TP8
R115 TP1
R193
10K
10K TP7
C1036
47pF
R155
470R
R156
CR111
1K
SH201
R157
CR113
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 #