Motorola EM200 Serie Manual De Servicio página 43

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
Esquema eléctrico de la unidad de control del EM200
D3_3V
R842
C824 C825
10.K
220.p 100n
DS801
HDSP-513G
R821 33.
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
9 MC14511BFEL 7
ANODE_F E A1
R825 33. 15 1
ANODE_C F B1
14 2
ANODE_G G C1
R826 33. 6
ANODE_DP D1
R827 33.
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
Unidad de control del EM200 - Tarjeta de circuito impreso 8488998U01 / Esquemas eléctricos
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 CH_PTT
9 14
SEROUT SERIN
DISPL_CS
C834
C832
100n
22.n
D3_3V
R802
OE
R844
3.3K
10.K
Q811
10K
DISPL_CS
Q812
47K C815 R801
9_3V
10u 0.
DNP
100n R834
9_3V
C833
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
1
M801
THESE ARE THE
1
M802
ESD PROTECTION
1
M803
CONTACTS (SPRINGS)
1
M804
DNP
9_3V D3_3V
BI
DNP DNP DNP
C801 C803 C805 C807 C809 C811
220.p 220.p 220.p 220.p 220.p 220.p
10K
47K
C802 C804 C806 C808 C810 C812 C814
220.p
220.p 220.p 220.p 220.p 220.p 220.p
C816 C818 C820
220.p 220.p 220.p
VR801 VR803
20.0 20.0
DNP
C817 C819 C821
VR802 VR804 220.p 220.p 220.p
20.
20.0
D3_3V 9_3V
R803
R804 R805
47.K
Q801
47.K 10.K
CH_PTT 10K R806
Q802
47.K
47K
TELCO_PTT
R807
C823
10.K
1n
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
C813 G2
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
C822
220.p
SPEAKER CONNECTOR
P801-1
SPKR-
1
P801-2
SPKR+
2
73B02964C39-O