95
3.8Vdc UNSQ
RATED 5.5Vpk-pk
AUDIO OUTPUT MAX: 6.5Vpk-pk
EXT SPK
3.8Vdc UNSQ
1800mVrms, RATED AUDIO OUTPUT
5V Regulator
AUDIO PA
Vcc Regulator
1.1Vdc
900mVpk-pk : MAX AUDIO SETTING
250mVpk-pk : RATED AUDIO SETTING
6.8Vdc
5.0Vdc
0Vdc EXT SPK SEL
5Vdc INT SPK SEL
5Vdc UNSQ
0Vdc SQ
RATED 5.5Vpk-pk
AUDIO OUTPUT MAX: 6.5Vpk-pk
100pF
C767
0.1uF
C723
5V_TAP
6
ERROR
5
FEEDBACK
7
4
GND
INPUT
8
OUTPUT
1
SENSE
2
SHUTDOWN
3
U709
C768
L705
390nH
SB+
100pF
0.1uF
C725
0.1uF
C724
5V_REG
SB+
C722
10uF
1uF
C773
31
NC7
32
NC8
10
PLIN
9
PLOUT
13
REG
11
REGOUT
5
VCC1
7
VCC2
24
INT_SPKR
16
MICAMPOUT
25
NC1
26
NC2
NC3
27
28
NC4
29
NC5
30
NC6
15
EN_MIC
EXT_INT_SPKR
21
19
EXT_MIC_IN
14
FREQCOMP
1
GND1
3
GND2
12
GND3
18
INT_MIC_IN
2
AMP2OUT
4
AMP3OUT
8
AMPIN
6
BOOTCAPC1
23
BOOTCAPC2
BOOTCAPC3
22
20
EN_AMP
17
EN_INT_MIC
C772
U706
1uF
0.33uF
390nH
L706
C771
C766
100pF
Vcc
C764
4700pF
.01uF
C761
10uF
C762
C765
C763
.01uF
Q702
4.7uF
SB+
C769
L704
390nH
1uF
ERROR
EXT_SPKR_SEL
AUPA_EN
RX_AUDIO
EXT_SPKR
SPKRCOM
INT_SPKR
0.33uF
C770
63B81097C12-O
NCN6129C, NCN6138A, NCN6140A/B, NCN/PMCN6140C, NCN6141A, NCN6145A/C, NCN6146A, NTN7089C
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: ......