Figure 9-254.800 Mhz Controller Asfic/On_Off - Motorola HT Series Detailed Service Manual

9-430
800 MHz only
C407
0.1uF
URX_SND
R425
30K
C479
0.1uF
RX_AUD_RTN
R445
24K
Vdda
R449
24K
DISC
DACRx
VS_GAINSEL
VS_AUDSEL
VOX
C430
0.1uF
FLAT_RX_SND
SQ_IN
C414 C415 C452
0.1uF .01uF 1uF
Figure 9-254. 800 MHz Controller ASFIC/ON_OFF
TP410
1
C405
100pF
Vdda
C410
R475
0.1uF
0
C408 C409
Used for Lowband Only
100pF 0.1uF
C412
Vdda 10uF
C411
0.1uF
1 36
VDDA TXRTN
2 35
DISC GCB3
3 34
GNDA CLK168
4 33
DACU VDDD
5 32
DACR VDDCP
U404
6 31
DACG GNDD
63A53
7 30
VOX GNDDO
8 29
PLCAP F1200
9 28
SQIN SYN
10 27
UIO VDDSYN C416
11 26
0.1uF
VDDDAC NC
12 25
SQCAP PLCAP2
C451
.022uF
C422
C420 C421
0.1uF
.01uF 0.1uF
R400
47K
4V_3.3V
R405
R402
1MEG
1MEG
SWB+
Not placed Not placed
TP406
1
C401
C400
0.1uF
R401 .01uF
0
U400
LP2951ACMM-3.3
8 1
INPUT OUTPUT
R407 7 5
FEEDBACK ERROR
68K
3 2
INT_EXT_Vdd SHUTDOWN SENSE
6
VTAP
C406
0.1uF
RESET
C498
0.1uF
TX_AUD_RTN
R447
RED_LED
100K
16.8MHz C419
0.5pF
MECH_SWB+
C480
10uF
Not placed
F1200
SYN
Vdda
R413
0
Vddd
5V
C427 C428
100pF 0.1uF
R429
10K
EE_CS
U407
X25320_2.7V
8
6
CLK
1
4Kx8 BIT
CS
3 2
WP EEPROM SO MISO
7
HOLD
5
SI
4
800 MHz Circuit Board/Schematic Diagrams and Parts List (PCB 8471827L03)
Q400
BATT_CODE
3 2
UNSWB+
Vddd
1
R406
75K
C402 C403
0.1uF 10uF
Q405
4
R476
24K
1 2 3
OFF_BATT_DATA_OUT
R416
10K
R451
R448
10K 15K
Q403
R452
100K
R455
NU
R456
CR440
R453
0
NU
2
3
1
R454
NU
ASFIC
Vddd
R427
2.7K
BATT_DATA_IN
CR412
3 4
K1 A1
2 5
K2 A2
1 6
K3 A3