Motorola CM340 Service Information - Page 22
Browse online or download pdf Service Information for Radio Motorola CM340. Motorola CM340 26 pages. Commercial series controlhead
Also for Motorola CM340: User Manual (24 pages), User Manual (5 pages), User Manual (12 pages)
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4-4
9_3V
R818
R819
R820
3.9K
680.
680.
D801
D802
D803
10K
Q804
47K
10K
Q805
47K
10K
Q806
47K
Change to 1%
R813
22K
S802
TOUCH_SW_MARLIN
1
2
C1
C2
3
4
C3
C4
5
6
C5
C6
F2
Controlhead CM140/CM340 Schematic
D3_3V
R842
C824
C825
10.K
220.p
100n
DS801
HDSP-513G
33.
R821
ANODE_B
R822
33.
ANODE_E
13
5
ANODE_A
A2
LE
R823
33.
12
4
ANODE_D
B2
BI
11
3
COMM_CATH_2
C2
LT
U802
R824
33.
10
COMM_CATH_1
D2
MC14511BFEL
9
7
ANODE_F
E
A1
33.
15
1
R825
ANODE_C
F
B1
14
2
ANODE_G
G
C1
33.
6
R826
ANODE_DP
D1
33.
R827
9_3V
SH1
R830
SHIELD
Q803
470.
10K
47K
Place under the 7-segment
9_3V
220.p
C836
U803
MC14053B
12
X0
13
X1
2
Y0
1
Y1
5
Z0
3
Z1
R849
Change to 1%
13K
Change to 1%
R816
13K
S801
TOUCH_SW_MARLIN
J805
1
2
CONTACT
C1
C2
3
4
1
2
C3
C4
PIN1
PIN2
5
6
C5
C6
DOWN
F1
R847
10.K
BI
D3_3V
DNP
C826
C827
R829
R843
220.p
100n
10.K
10.K
OE
15
Q0
1
11
Q1
CLK_S
2
12
Q2
CLK_L
3
13
Q3
EN_OE
4
10
Q4
RESET
5
R850
Q5
U801
6
0.
Q6
MC74HC595A
7
Q7
DNP
9
14
SEROUT
SERIN
C834
C832
100n
22.n
D3_3V
R802
R844
3.3K
10.K
10K
DISPL_CS
Q812
47K
C815
R801
10u
0.
DNP
100n
R834
C833
9_3V
0.
R841
DNP
6
EN
10.K
14
R833
X
11
A
0.
TELCO_PTT
15
D3_3V
9_3V
9_3V
D3_3V
Y
10
B
DNP
4
Z
DNP
DNP
9
C
R848
R846
R831
R832
R845
10.K
51.K
20.K
20.K
51.K
ROW
COL
KEYPAD BACKLIGHT
R811
R810
0.
0.
9_3V
9_3V
COL
ROW
R808
R809
DNP
DNP
300.
680.
Change to 1%
Change to 1%
R840
R839
22.K
22.K
D804
J804
CONTACT
1
2
D805
D806
PIN1
PIN2
UP
Controlhead CM140/CM340 - PCB 8488998U01 / Schematics
1
M801
THESE ARE THE
1
M802
ESD PROTECTION
1
M803
CONTACTS (SPRINGS)
1
M804
DNP
CH_PTT
DISPL_CS
BI
DNP
DNP
DNP
C801
C803
C805
C807
C809
OE
220.p
220.p
220.p
220.p
220.p
10K
Q811
47K
C802
C804
C806
C808
C810
C812
9_3V
220.p
220.p
220.p
220.p
220.p
220.p
C816
C818
220.p
220.p
VR801
VR803
20.0
20.0
C817
C819
VR802
VR804
220.p
220.p
20.
20.0
D3_3V
9_3V
R803
R804
47.K
Q801
47.K
CH_PTT
10K
R806
Q802
47.K
47K
R807
C823
10.K
1n
9_3V
D3_3V
MAIN BOARD CONNECTOR
J803-14
14
J803-9
9
J803-19
19
DIS_RES
J803-17
17
SPI_CLK
J803-15
15
SH_R_CS
J803-16
16
SPI_MOSI
J803-12
12
KEY_COL
J803-13
13
KEY_ROW
J803-2
2
SPKR+
J803-1
1
SPKR-
J803-3
3
RX. AUDIO
J803-4
4
SCI
J803-5
5
MIC. PTT
J803-6
6
MIC. AUDIO
J803-8
8
HOOK
J803-11
11
BOOT_RES
J803-20
20
DISP_CS
J803-18
18
COM/DATA_SEL
J803-10
10
J803-7
7
J803-21
G1
J803-22
C811
C813
G2
220.p
220.p
C814
220.p
MICROPHONE CONNECTOR
J802-8
9.3 V
8
J802-7
BOOT_RES
7
J802-6
HOOK
6
J802-4
MIC. AUDIO
4
J802-3
MIC. PTT
3
J802-2
SCI
2
J802-1
RX. AUDIO
1
J802-5
5
C820
C822
220.p
220.p
DNP
C821
220.p
SPEAKER CONNECTOR
P801-1
SPKR-
1
P801-2
SPKR+
2
73B02964C39-O
R805
10.K
TELCO_PTT