Motorola HT Series Service Manual page 116

# #
TP410
Vdda
C407
0.1uF
URX_SND
R425
30K
C479
C411
0.1uF
0.1uF
RX_AUD_RTN
R445
24K DEMOD
Vdda
R449
24K
DACRx
VS_GAINSEL
VS_AUDSEL
VOX
C430
0.1uF
FLAT_RX_SND
C414 C415 C452 C451
0.1uF .01uF 4.7uF .022uF
CAVCAÃ8‚‡…‚yyr…Ã6TAD8PIfPAAÃTpur€h‡vpÃ9vht…h€
vtˆ…rÃ# )Ã
SWB+
R405
0
TP406
C401
0.1uF R401
0
U400
LP2951ACMM-3.3
8
INPUT
7
R407 FEEDBACK
3
INT_EXT_Vdd SHUTDOWN
68K
C408
C409
0.1uF
100pF
RESET
C410
R475
0.1uF
0
R447
1.5MEG
MECH_SWB+
1 36
VDDA TXRTN
TX_AUD_RTN
2 35
DISC GCB3 RED_LED
3 34
GNDA CLK168
16.8MHz
4 33
DACU VDDD
5 32
DACR VDDCP
U404
6 31
DACG GNDD
7 30
VOX GNDD0
8 29
PLCAP F1200
9 28
SQIN SYN
10 27
UIO VDDSYN C416
11 26
0.1uF
VDDDAC NC
12 25
AGCCAP PLCAP2
C420 C421
C422
0.1uF
.01uF 0.1uF
R413
R400 0
47K
EE_CS
pur€h‡vpÃ9vht…h€†ÃP‰r…yh’†ÃhqÃQh…‡†ÃGv†‡†)
4V_3.3V
R402
Q400
NU
3 2
UNSWB+
Vddd
C400
.01uF
1
R406
75K
C402
C403
10uF
1
OUTPUT
0.1uF
5
ERROR
2
SENSE
6
VTAP
Q405
4
R476
1 2 3
24K
R416
R448 39K
CR440
270K
2
3
3
1
1
Q403
2
C480 R446
10uF 220K
C419
NU
F1200
SYN
Vdda
Vddd
5V
C427
100pF C428
0.1uF
R429
10K
8 VCC U407
6 X25320_2.7V
CLK
1
CS
3 2
WP SO MISO
7
HOLD
5
SI
4K x 8 BIT
EEPROM
4 VSS
8‚‡…‚yyr… Trp‡v‚
BATT_CODE
Vddd
R427
2.7K
CR412
2 3
BATT_DATA_IN
4
1 5
OFF_BATT_DATA_OUT
ÃÃÃ
Freq. Range Board Number
403-470 MHz 8480450Z03
450-527 MHz 8485641Z02
136-174 MHz 8486062B09
136-174 MHz 8486062B12
FL0830735O