Motorola CDM Series Service Manual page 44

Chapter 2: 4-4
C0810
EXT_KP_COL J0811-10
WARIS
FLT_A+ J0811-1
GM300
9 8 7 6 5 4 3 2 1 10
5V J0811-2
HOOK J0811-3
J0811
GROUND J0811-4
MICROPHONE
MIC J0811-5
CONNECTOR
PTT_IRDECODER J0811-6
BUS+ J0811-7
Shown from Front Side
HANDSET_AUDIO J0811-8
EXT_KP_ROW J0811-9
C0815
470pF
Q0821
FLT_A+
PTT_IRDEC
VR0821 C0823
.01uF
5.6V
Q0823
CH_REQUEST
R0823
5V
50K
NEG
TAB1
TAB
POS
FLT_A+
D0822
R0822
13K
C0821
C0822
470pF 2.2uF
VR0822
NU
5.6V
Control Head CDM750 / PRO3100 - Schematic Sheet 1 of 2
6881091C63-A
C0811 VR0811
C0843 C0813
470pF 33V
470pF 470pF 470pF
NU
NU
R0847
22
C0818
C0819
470pF 470pF
C0816 C0817
82pF NU NU
470pF
VR0817
20V
D0821
U0832
R0825
MC33064
ON_OFF_CONTROL
2
5V
INPUT
1K
3
NC1
5
5V
NC2
R0821
10K
Q0822
U0835
ON_OFF_SENSE
47K
MC33464N-45ATR
C0824
47K
.01uF
INPUT
NU
VOLUME
R0824
USW_5V
4.7K
5V
VR0823
R0811
5.6V
51K
R0810
EXT_KP_COL
R0812
13K
FLT_A+
22
5V
HOOK
R0813
10
MIC
PTT_IRDEC
R0814
BUS+
270
HANDSET_AUDIO
R0815
EXT_KP_ROW
13K
R0816
VR0816
51K
20V
5V
5V
C0831
3.3uF
U0833
CSTCC8.00MG
C1
1
TP0834
5V
BOOT_VPP 2
R0833 3
R0835
5V
47K
C2
100
R0832
2.2K
5V
1
RESET
TP0835
6 BOOT_MODE
TP0833
NC3
7
RESET
C0833 USW_5V
NC4
8
0.1uF
NC5
GND
INT_KP_COL
4 TP0831 FLT_A+
INT_KP_ROW
TP0832 5V
EXT_KP_COL
EXT_KP_ROW
TP0838
VOLUME
NU
TP0836
RESET_
SCI_RX
GND
5V
R0836
R0837
10K
33K
BUS+
R0839
D0831
0
NU
R0834
SCI_TX
270
TP0837
SCI_TX
Control Head CDM750 / PRO3100 PCB 8486146B07, Schematics, and Parts Lists
J0801
CONTROL HEAD
CONNECTOR
J0801-14
J0801-13
J0801-12
C0809
J0801-11 P0801-1
82pF
NU
J0801-10 P0801-2
J0801-9
J0801-8
J0801-7
J0801-6
J0801-5
J0801-4
J0801-3
J0801-2
J0801-1
C0806
C0805
C0808
470pF
82pF
470pF
NU
C0832
0.1uF
5V
HOOK
R0842 R0844
R0845
47K 10K
4.7K
R0831
29
28
CLK_E STRA_AS
1MEG
30
STRB_RW*
31
EXTAL U0831
33 1
PA0_IC3
XTAL
64
CONTROLLER PA1_IC2
46
63
IRQ PA2_IC1
45
62
XIRQ PA3_OC5_OC1
43
59
RESET PA4_OC4_OC1
58
PA5_OC3_OC1
27
57
MODA_LIR* PA6_OC2_OC1
25 56
MODB_VSTBY PA7_PA1_OC1
0
13 34
PE0_AN0 PC0_AD0
1
15 36
PE1_AN1 PC1_AD1
2
R0849
17 37
PE2_AN2 PC2_AD2
3
47K
19 38
PE3_AN3 PC3_AD3
4
14 39
PE4_AN4 PC4_AD4
5
16 40
PE5_AN5 PC5_AD5
6
18 41
PE6_AN6 PC6_AD6
7
20
42
5V
PE7_AN7 PC7_AD7 8
47 12
PD0_RXD PB0_A8
50 11
PD1_TXD PB1_A9
0
51 10
PD2_MISO PB2_A10
1
52 9
CH_KP_ID(0:7)
PD3_MOSI PB3_A11
2
53 8
PD4_SCK PB4_A12
3
54 7
PD5_SS* PB5_A13
4
7 6
6
PB6_A14 5
5
PB7_A15
6
5V
7
R0838
CONTROL HEAD ID
10K
LED_CNTRL(0:8)
SCI_TX
5V
HANDSET_AUDIO
BUS+
MIC
FLT_A+
ON_OFF_CONTROL
C0802
C0804
C0803
470pF
470pF
470pF
NU
5V 5V
R0841 R0843
Q0843
10K 2.2K
Q0841
47K 47K
PTT_IRDEC
47K 47K
ON_OFF_SENSE
CH_REQUEST
BL_GREEN
5V
R0852 R0853
R0854
100K
100K 100K
2 1 0
5 4 3 2 1 0
JU0852 JU0853 JU0854
SWITCH SWITCH SWITCH
KEYPAD ID
ZWG0130239-B