Motorola MTM700 Detailed Service Manual page 251

CONTROL HEADS: SCHEMATICS, PCBs and PARTS LISTS
Q0851
FLT_A+
VR0851
10V
PTT_IRDEC
C0851
.01uF
Q0852
CH_REQUEST
5V R0854
50K
NEG
TAB1
TAB
POS
FLT_A+
D0855
R0855
24K
C0855
C0856
470pF
2.2uF
VR0855
NU
5.6V
D0861
R0861
FLT_A+
8
INPUT
10
C0861 C0862 3
R0862
10uF SHUTDOWN
0.1uF
7
FEEDBACK
10
R0863
100K
Q0866
R0866
10K
TP0866
5V_SOURCE
BOOT_PWR_ON
C0866
0.1uF
TP0871
BOOT_PWR
TP0872
BOOT_GND
TP0873
BOOT_MODE
D0852
R0852
ON_OFF_CONTROL TP0874
BOOT_VPP
1K
R0874
100
5V
TP0875
R0853
10K RESET
ON_OFF_SENSE RESET
Q0853
C0853
.01uF
USW_5V
NU
INT_KP_COL
INT_KP_ROW
EXT_KP_COL
EXT_KP_ROW
VOLUME VOLUME
KEYPAD_ID
TEMP_SENSE
VOLTAGE_SENSE
R0856
USW_5V
4.7K
CH_REQUEST
PTT_IRDEC
U0861
RESET
LP2951C
1
OUTPUT 5V
5
ERROR
2
SENSE C0864
C0865
6
5V_TAP 47uF 0.1uF
C0863
GND
.022uF
4
ARCHITECTURE
CLOSED OPEN
ON_OFF_SENSE
R0871 OUT IN
R0872 IN OUT
R0876 IN OUT
R0877 OUT IN
IN
R0878 OUT
R0879 OUT IN
MTM700 Mobile Radio / Detailed Service Manual
5V 5V
FLT_A+ R0871
4.7K C0871
NU 3.3uF
D0871
R0872
TP0876
0
5V
R0877
R0876
5V
0
0
NU
R0870
R0875
47K 2.2K
72
E
61
IRQ
30
XIRQ
75
RESET
C0870
33
PG7_R_W*
0.1uF 77
MODA_LIR*
NU 76
MODB_VSTBY
49
PE0_AN0
48
PE1_AN1
47
PE2_AN2
46
PE3_AN3
45
PE4_AN4
44
PE5_AN5
43
PE6_AN6
42
PE7_AN7
40
PG0_XA13
14 39
PG1_XA14
15
38
PG2_XA15
16
5V 37
PG3_XA16
17
36
PG4_XA17
R0882 18
35
PG5_XA18
47K
5V
R0881
R0880 10K
2.2K
Q0871
5V
R0884
R0883
10K
10K
HOOK
Q0872
TP0877
SH0871 SH0872
SHIELD SHIELD
NU NU
TP0878
STANDARD_CONTROL_HEAD (Sheet 1)
U0873
CSTCC8.00MG
C2
3
R0873 2
C0873 GND
1MEG
0.1uF
1 C1
5V
PC0_DATA0 62 0
63 1 C0872
PC1_DATA1
PC2_DATA2 64 2 0.1uF
PC3_DATA3 65 3 NU
PC4_DATA4 66 4
PC5_DATA5 67 5
PC6_DATA6 68 6
PC7_DATA7 69 7
30
EN_CE
U0871 0
PFO_ADDR0 60 32
EN_OE
1 7
PF1_ADDR1 59
MC68HC11K4 EN_WE
PF2_ADDR2 58 2
CONTROLLER 3 0 20
PF3_ADDR3 57
A0
4 1
56 19 A1
PF4_ADDR4
5 2
PF5_ADDR5 55 18 A2
6 3
PF6_ADDR6 54 17 A3
7 4
PF7_ADDR7 53 16 A4
8 5
PBO_ADDR8 21 15 A5
9 6
PB1_ADDR9 20 14 A6
10 7
19 13 A7
PB2_ADDR10
11 8
PB3_ADDR11 18 3 A8
12 9
PB4_ADDR12 17 2 A9
13 10
PB5_ADDR13 16 31 A10
PB6_ADDR14 15 11 1 A11
PB7_ADDR15 14 12 12 A12
13
4 A13
14 5 A14
15
11 A15
16 10 A16
17 6 A17
R0885 R0886
18 9 A18
5V 47K
10K
24
ADDR(0:18)
5V
NU
U0874
C0874
8 X25320_2.7V
0.1uF
6 VCC
CLK NU
1 CS
2
3 WP
SO
7 HOLD
5 SI
VSS
5V
4
R0888
10K
R0889
BOOT_SCI_RX 33K
5V
D0872
R0887
10K
R0890
270
BOOT_SCI_TX
8.3 - 3
BL_LCD_RED
BL_KP_RED
BL_LCD_GREEN
BL_KP_GREEN
LCD_E_RD
LCD_RW_WR
LCD_CS
LCD_DATA_(0:7)
R0878
5V
0
C0875
0.1uF
8
NU LCD_A0
VCC
R0879
28
0
NU
VCC
21 0 20
IO0 EN_CS
IO1 22 1 22
EN_OE
23 2 27
IO2 EN_WE
IO3 25 3
0
26 4 10 IO1 11 0
IO4
A0
1
IO5 27 5 9 IO2 12 1
A1
2
28 6 8 IO3 13 2
IO6
A2
3
29 7 7 IO4 15 3
IO7 A3
4
6 IO5 16 4
A4
5
5 IO6 17 5
A5
6
4 IO7 18 6
A6
7
3 IO8 19 7
U0872
A7
8
25
NU A8
9
24 U0875
A9
10
21
A10 NU
11
23
A11
12 2
A12
13 26
A13
14 1
A14
GND GND
14
0
LED_GREEN
LED_YELLOW
LED_RED
BUS+
SCI_TX
ZWG0130370-A