Figure 11-26. Uhf (438-470 Mhz) Dc Regulation Schematic Diagram - Motorola EP450 Service Manual

UHF 440-470 MHz PCB 84863848Z13-C Schematic Diagrams, Overlays, and Parts Lists
J2
MAIN BOARD
CONNECTO R
9
J2-9
J2-16 16
J2-1 7
17
J2-1 0 10
J2-1 1 NC
C1 C3 C6
J2-2 2 NC
150pF 150pF 150pF
J2-3 3 NC
J2-4 4 NC
DNF DNF DNF
J2-6 6 NC
J2-13 13 NC
J2-1 4 14 NC
J2-1 5 15 NC
Vddd
J2-18 18 NC
J2-19 19 NC
J2-12 12
J2-21 21 NC
J2-22 22 NC C4
C2
J2-23 23 NC
J2-24 24 NC 150pF 0.1uF
J2-25 25 NC
J2-26 26 NC
J2-27 27 NC
COL
5
J2-5
ROW
J2-7 7
J2-8 8 NC
J2-2 8 NC
C5 C7
J2-11 11
J2-20 20 150pF 150pF
DNF DNF
J2-29 G1
J2-30 G2
REF STD LIMITED KEYPAD
C1 NOT PLACED NOT PLACED
C3 NOT PLACED NOT PLACED
C6 NOT PLACED NOT PLACED
C8 NOT PLACED NOT PLACED
R9 NOT PLACED
R10 NOT PLACED
R2 NOT PLACED
R3 NOT PLACED
R4 NOT PLACED
R5 NOT PLACED
C5 NOT PLACED NOT PLACED
C7 NOT PLACED NOT PLACED
D3 NOT PLACED
D4 NOT PLACED
D5 NOT PLACED
D6 NOT PLACED
D7 NOT PLACED
D8 NOT PLACED
R13 NOT PLACED
R14 NOT PLACED
R15 NOT PLACED
HKLN4216A
LEDBL
C8
Vddd
Vddd
150pF
DNF
R1 R6
100K 100K
R7
13 K
R2
13 K
R3
22 K
R4
43 K
R5
130K
S3 0
SWITCH
DOW N
NC
1
2
3
KEYPAD
R8 R9
22 K 43 K
S1 8
SWITCH
1
1
2
3
S2 4
S2 3
SWITCH
SWITCH
4 5
1 1
2
2
3 3
S2 5 S2 6
SWITCH SWITCH
8 9
1 1
2 2
3 3
S2 9
SWITCH
#
1
2
3
QSMG-H799
S3 1 S3 2
SWITCH SWITCH
NC
NC F1 F2
1
1
2 2
3 3

Figure 11-26. UHF (438-470 MHz) DC Regulation Schematic Diagram

DISPLAY MODULE
CONNECTOR
LEDBL
DATA
CLK Vddd
LCD_SEL
R10
130 K
S1 7 S1 9
SWITCH SWITCH
3
2
1
1
NC
2 2
3 3
S2 1
S2 2
SWITCH
SWITCH
7
6
1 1
2 2
3 3
S2 7 S2 8
SWITCH
SWITCH
0
1 1 *
2 2
3
3
LEDBL
D1 0 QSMG-H799 D9
D3 D5
D2
QSMG-H799
QSMG-H799
QSMG-H799
D1 1
D1 D4 D6
R1 1
47 0
QSMG-H799
QSMG-H799 QSMG-H799
QSMG-H799
R12 R1 3 R14
47 0 33 0 330
11-33
J1
9 J1-9 LEDBL
8 J1-8 GND
7 J1-7 GND
6 J1-6 GND
5 J1-5 DATA
4 J1-4 CLK
3 J1-3 LCD_SEL
2 J1-2 GND
1 J1-1 VDDD
G1 J1-1 0 GND
G2 J1-1 1 GND
S2 0
SWITCH
UP
1
2
3
D7
QSMG-H799
D8
QSMG-H799
R15
33 0
November 24, 2003