Motorola MCS 2000 Service Instructions Manual page 172

Chapter 10: Digrams and Parts Lists
SW_B+
VCC
U0650
D0730
2 INPUT
3 R0651
1 OUTPUT 3
1
10
C0690 C0651
C0650 2 GND
10uF .220uF 10uF
D0659
5.6V
A+
VCC
U0660
MC33064
2 1
Y-GR INPUT RESET
7
R0660 Y-GR Y-GR Y-GR NC
C0689 VCC
D0720 8
.01uF 10K NC
D0650 D0653 D0656
Y-GR
Y-GR Y-GR Y-GR
D0723
J0650
D0651 D0654 D0657
Y-GR
R0666
Q0650 10K
A+
Y-GR Y-GR Y-GR
3906 D0724
17
D0652 SW_B + D0655 D0658
A+ Y-GR
18 D0725
SW_B +
R0671
R0663
7
10K
ANALOG_GND R0657
R0653 R0655
R0700 R0652 R0748
10 1.5K 1.5K
1.5K
10K 1.5K R0654 R0656 R0747 1K
13
DIGITAL_GND 1.5K 1.5K 1K
R0672
3
RESET
R0743
10K
6.8K
15
SB9600_BUS +
4
SB9600_BUS -
R0673
10
WE
10K
14
SB9600_BUSY
12
KI D R0674
Q0651
10K
11
KEY/FAIL C0652
R0659
.01uF 10K
9
MIC/ON_OFF
R0675
2
SPKR -
10K
R0664 0
1
SPKR + R0661
Q0652
R0658
R0665 0 10K
10K 8
HANDSET_AUDIO C0653 C0654 C0655 C0656 C0657 C0658
C0688
470pF 470pF R0662 470pF 470pF 470pF 470pF
5 .01uF
10K
NC
6
NC
16
NOTE: R0664 ONLY MOUNTED IN SPEAKER MICROPHONE CONFIGURATION.
NC
R0665 ONLY MOUNTED IN HANDSET CONFGURATION (SDLN4193A)
ONLY ONE OF R0664 AND R0665 MUST BE MOUNTED.
68P81083C20-D
1 2 3
VCC VCC
VCC
R0678
R0679
10K
4.7K
R0684
Q0653
DATABUS(7:0)
3906
4.7K
R0680
10K
Q0654
VCC
R0676
C0666
4.7K
0.1uF
C0662
R0677 11
CLK
470pF
2K 1 RESET
74HC273
TP1 LCD BIAS 3 D0 2
0 Q0
1 4 D1 5
Q1
2 7 D2 6
Q2
3 8 9
D3 Q3
C0669
4 13 D4 12
Q4
0.1uF 14 D5 Q5 15
5
6 17 D6 16
Q6
7 18 D7 19
C0664 Q7 Y0650
33pF
VCC
R0683
47K
R0667 R0668 R0669 R0670 C0668
10K 10K 10K 10K
0.1uF
S0650 S0651 S0652 S0653 S0654
Q0655
R0681
VCC
22K
C0685
.01uF
D0660 R0682 C0663
51
S0655 S0656 S0657 S0658 S0659
10K 470pF C0670
5.6V 52 TD0
8
10uF
7
20
21
40
39
S0660 S0661 S0662 S0663 S0664
38 PB1
37
36
35
34
33
32
S0665 S0666 S0667 S0668 S0669
49
48
47
46
45 PC4
44
43
42
S0670 S0671 S0672 S0673 S0674
2
1
6
15 NC2
R0732
51
C0659 C0660 C0661
470pF 470pF 470pF VCC
R0689
4.7K
D0661
20V
1 2 3
H0650
LCD_2_LINE
4 5 6 7 8 9 10 11 12
A+ A+ A+
35 40
D LDATA1
31 37
LOAD
CLKLA
U0651 32 38
CP YELLOW RED CLKSR
LC7985 34 45
M M
D0663
D0662 D0718
VCC
R0685
YELLOW RED R0703
330
100K
R0707
D0719 D0726
6.8K
Q0658
Q0657 Q0659
R0708
U0654 6.8K
TP4
R0704 R0705 R0706
390
390 470
R0686
TP2
R0709
OSC FREQ
6.8K
1MEG
C0665
33pF
VCC VCC VCC
R0710
6.8K
VCC
R0741 R0692
R0693
100K 4.7K
R0711
4.7K
6.8K
VCC
VCC
R0694 TP3
R0733
4.7K
18
SCLK RESET
R0744 VCC
IRQ 19 4.7K
16
R0746
VRH OSC1
OSC2 17
VRL 10K 3.3K
22
PLMA
TCAP1
23
PLMB TCAP2
50
VPP1 RDI
PB0
PD0 14
R0751
PD1 13 R0752 R0753 VCC
PB2
12 100K 100K
PB3 PD2
75K 100K
11
PB4 PD3
PD4 9
PB5
PD5 5
PB6
PD6 4 R0750
PB7
PD7 3
PC0
200K
PA0 31 0
PC1
C0687
PA1 30 1
PC2
PA2 29 4.7uF TAB1 5
PC3 2
PA3 28 3
R0696
27 4
PC5 PA4
PA5 26 5
PC6
4
PA6 25 6
PC7 TAB
PA7 24 7
TCMP1
TCMP2
NC1
R0695
U0653
MC68HC05B6
10K
R0742
100K
VCC
D0722
D0666 D0721
5.6V
5.6V 5.6V
R0690
100K
C0667
R0691
4.7uF
47 K
4 5 6 7 8 9 10 11 12
13 14
VCC
R0718
100K
R0720
SW_B+
10K
R0716
10K 8 R0719
6
Q0660
7
R0717 10K
5
U0656
4
10K MC33072
VCC
VCC
R0721
2.2K
R0722
Q0661
3906
10K
D0664
R0723
4.7K R0724
5.6V
10K
U0652
LC7930
Q0662
3906
VCC
R0725
5.7K
C0682
0.1uF 6
10
9
Q0663
R0726
D0665
12
5.6V 14
10K
15
11
R0727
1
2.2K
5
2
VCC
4
C0671
4.7uF
C0683 R0712
0.1uF 15K U0655
SCI7661M14
R0715
C0672
1
560K CAP1P
13 OSC1 2 4.7uF R0734
CAP1M
12 OSC2 3 330
CAP2P
R0713 4
CAP2M
10 RV 5
TC1
9 VREG 6
15K TC2
11 8
POFF VOUT
R0714 Q0666
75K C0673
U0656
4.7uF
MC33072
4 3
1
2
SW_B+
8
R0735
47.5K
R0736
7500
5
MIC/ON_OFF
2
SPEAKER-/KEYLOAD
8
SPEAKER+/HANDSET_AUDIO
C0674 C0675 C0676
470pF 470pF 470pF
13 14
Figure 10-10. Control Head Model III Schematic Diagram - 1 of 2
10-24
SW_B+
R0729
470
VCC
1
OPTION_SW_B+
Q0664
R0728 MJD210
10K
VCC
R0730 C0684
47K .220uF
Q0665
6
EN
R0731
10 C0677
A
9 22K
U0657 2.2uF
B
74HC4052
12
X0
14 X 13
X1
15
X2
11
X3
1
Y0
6
5 Y 3
Y1 PTT/BUS-/WE
2
Y2
4
Y3
C0678
D0667
5.6V 470pF
VCC
4
GND
A+
EN
A
U0658
B
74HC4052
X0 R0740
3
13
X1 X 10K MONITOR/BUSY/KID
X2
X3 Q0667
MJD210
D0668 C0679
Y0
3 5.6V 470pF
Y1 Y
Y2
Y3
VCC
7
AUX/BUS+/KEY_FAIL
6
EN
D0669 C0680
10
A
9 470pF
B U0659 470pF
74HC4052
5.6V
12
X0
13
14
X1 X R0737
15
X2 P0651
11
X3
6.8K
1
Y0
5 C0681 3
Y1 R0738 R0739
Y
2 0.1uF
Y2 10 10
4
Y3
MAEPF-28095-O
MAEPF-28094-O
December 6, 2004