107
*
NC
Vaud Regulator
NC
AUDIO PA
Vdd Regulator
*
Main Power Switch
10V
VR701
C729
C725
1uF
F5
REG
E6
REGOUT
B5
VCC1
C5
VCC2
1uF
NC3
C4
C3
NC4
D4
NC5
D3
NC6
E4
NC7
E3
NC8
D5
PLIN
D6
PLOUT
A2
GND1
A4
GND2
E5
GND3
E1
INT_MIC_IN
B2
INT_SPKR
F2
MICAMPOUT
B4
NC1
B3
NC2
B1
BOOTCAPC2
BOOTCAPC3 C2
D1
EN_AMP
E2
EN_INT_MI C
F3
EN_MIC
EXT_INT_SPKR
C1
D2
EXT_MIC_IN
F4
FREQCOMP
U702
A3
AMP2OUT
A5
AMP3OUT
C6
AMPIN
B6
BOOTCAPC1
SW_B +
M
R753
CR704
150K
R747
Q703
1
3
47K
47K
2
5
6
7
8
4
1
2
3
Vdd
U712
22K
R738
270nH
C770
10uF
L704
0.1uF
C767
330pF
C768
C707
470pF
C735
68
R714
470pF
CR701
0.33uF
C728
0.1uF
C771
Vaud
SW_B +
SW_B +
C730
4700pF
0.1uF
C731
10uF
C732
C733
C734
10uF
Q701
0.1uF
10V
C727
VR702
1uF
C705
0.33uF
C726
C703
470pF
470pF
CR706
4
GN
D
INPUT
8
OUTPUT 1
SENSE 2
SHUTDOWN
3
VR714
6.8V
RX_AUDIO
U708
5V_TAP 6
ERROR 5
FEEDBACK
7
B+CNTL
PWR_RST
EXT_SPKR_SEL
AUPA_EN
OPT_B+|BOOT_SEL
SPKRCOM
INT_SPKR
EXT_SPKR
63B81097C20-O
NTN7512D/E, NTN7513E, NTN7857D/E AND NTN7858D/E
CONTROLLER BOARD POWER SECTION SCHEMATIC DIAGRAM
Summary of Contents for SYMBOL MT2000 Series
Page 1: ...HT 1000 JT 1000 MT 2000 MTS 2000 and MTX Series Handie Talkie Portable Radios Service Manual ...
Page 2: ......
Page 24: ...2 Notes ...
Page 78: ...56 Notes ...
Page 147: ...Appendix A 9 Appendix Figure 2 Secure Module Location Detail ...
Page 169: ......