Motorola Radius CM200 Service Manual page 53

Control Head CM300/PM400 – PCB 8489714U01 / Schematics
5V_IN 5V_CH
R25
0
C16 C24
R6
0.1uF 1000pF
C8
10K 7
1000pF VDD
DNF
3
V1
4
V2
5
V3
R7
10K
DNF
C21 C22
R15 R8
4.7uF 0.1uF
10K 10K
DNF
DNF DNF
U18
9_3V LP2951C
DNF
8 1
INPUT OUTPUT R10
7 5
FEEDBACK ERROR
3 2
C19 C23 SHUTDOWN SENSE
0
6
2.2uF 1000pF 5V_TAP
DNF C20
2.2uF
DNF
9_3V 9_3V 9_3V 9_3V 9_3V 9_3V 9_3V
9_3V
R16
C40
1000pF
C41
1000pF DNF
27K
DNF
R17
C26 C11
1000pF 0.1uF
13K
U1-1
LM2904 8 2
R24
1
3
2.2K 4
Q12
R20
10K C17
10K
R18
1000pF
Q11
DNF 1K
DNF
47K
R19
R26 R27
10K
10 10
COM3
DS1
4
LCD_36PIN COM2
3
COM1
DNF
2
COM0
1
12 5V_CH
COM0
13
U3
COM1
S1D15100 14
COM2
15
COM3
6
R39
VSS
10K
R28
680K
C33 C32 C30
R30
R9 100pF 100pF 100pF
10K
DNF DNF DNF
DNF
0
C25
1000pF
DNF
CK
SI
CS
C39
R51 R11
1000pF
43K 130K
DNF
S2 S1
TOUCH_SW
TOUCH_SW
DNF DNF
1 2 1 2
C1 C2 C1 C2
3 4 3 4
C3 C4 C3 C4
5 6 5 6
C5 C6 C5 C6
F4 F3
R29
22K
S4 S3
TOUCH_SW TOUCH_SW
DNF DNF
1 2 1 2
C1 C2 C1 C2
3 4 3 4
C3 C4 C3 C4
5 6 5 6
C5 C6 C5 C6
F2 F1
D3_3V 9_3V
R37
47K
R38 R33
47K 10K
CH_PTT
10K
Q13
47K
R36
Q14
TELCO_PTT
47K
C43
R34
0.1uF
10K
9_3V 9_3V 9_3V
D3_3V
R21 R22 R23 R40
3.9K 680 680 10K
10K
MUX_CTL
Q41
10K
47K
Q10
47K
HEF4053B
10K
COL
Q9
47K
R54
ROW
13K
9_3V D3_3V
10K
Q8
47K
R44 R13
20K 51K
DNF
R45
0
S6
TOUCH_SW
DNF
C27
1 2
R46
1000pF
22K
DNF
DNF
9_3V D3_3V
UP
+
R48 R12
20K 51K
DNF
R31
13K
R49
0
S5
TOUCH_SW
DNF
C4
R50
1000pF
2 1 22K
DNF
DNF
DOWN
-
D3_3V
C7 C15
R14
1000pF 0.1uF
10K
C55
220pF
DNF
C58
.022uF
SI CK
15
Q0
1 11
Q1 CLK_S
2 12
Q2 CLK_L
3 13
Q3 EN_OE
4 10
Q4 RESET
5
U8
Q5
6 MC74HC595A 9_3V
Q6
7
Q7
9 14
SEROUT SERIN
R41
CH_PTT
C14 C1
10K R3
0.1uF 10uF
10
DNF DNF
9_3V C56
U41
0.1uF
6
EN
12
R43 R35
YOA
14 0 3.3K
ZA
13 11 DNF
Y1A SA
2
Y0B
15
ZB
1 10
Y1B SB
5
R42
Y0C
4
0
ZC
3 9 DNF
Y1C SC
TELCO_PTT
VR4
20V VR2
20V
VR1
20V
5V_CH
U1-2 U2-7
PWR_GND
LM2904 8 6
C18
7 VCC
0.1uF
5
4
GND
Control Head CM300/PM400 Schematic
4-7
5V_IN 9_3V D3_3V
C50
470pF
C54 C38
470pF 1000pF
MAIN BOARD CONNECTOR
DNF
14 J103-14
9 J103-9
19 J103-19 DIS_RES
17 J103-17 SPI_CLK
15 J103-15 SH_R_CS
16 J103-16 SPI_MOSI
12 J103-12 KEY_COL
13 J103-13 KEY_ROW
2 J103-2 SPKR+
1 J103-1 SPKR-
3 J103-3 RX. AUDIO
4 J103-4 SCI
5 J103-5 MIC. PTT
6 J103-6 MIC. AUDIO
8 J103-8 HOOK
11 J103-11 BOOT_RES
MUX_CTL 20 J103-20 DISP_CS
CS 18 J103-18 COM/DATA_SEL
10 J103-10
7 J103-7
C53 C51 C48 C46 C44
G1 J103-21
220pF 220pF 220pF 220pF 220pF
DNF DNF DNF DNF DNF G2 J103-22
C52 C49 C47 C45
470pF 470pF 220pF 220pF
DNF DNF
9_3V
MICROPHONE CONNECTOR
8 J102-8 9.3 V
7 J102-7 BOOT_RES
6 J102-6 HOOK
4 J102-4 MIC. AUDIO
3 J102-3 MIC. PTT
2 J102-2 SCI
1 J102-1 RX. AUDIO
5 J102-5
C2 C3 C5 C6
470pF 470pF 470pF 1000pF
DNF
C42 C29 C34
1000pF 1000pF 1000pF
DNF DNF DNF
VR3
20V
1 P101-1 SPKR-
2 P101-2 SPKR+
C35 C36 SPEAKER CONNECTOR
1000pF 1000pF
DNF DNF
ESD CONTACTS
M1 M2 M3 M4