Nuf/Pmuf6499D (900Mhz) Transceiver Boards' Schematic Diagram (Sheet 2 Of 2) - Motorola HT-1000 Service Manual

5VREG
LCK
B+
CLK
D
C258
C270 C245
0.1uF
4.7uF .022uF
C256
0.1uF
Tx_RF
CR204 2.5Vdc
5V
3 K1 4
A1
0V
2 K2 5
A2
2.5Vdc
1 6
K3 A3
5V
0V
C257
0.1uF
R201
33
C202
7.5pF
C201
3.6pF
4.7 V
3
4.7 V
4 9 0V
TX IN
4.7 V 2 TXBB 16
LO RX NC
U201
C204 8 SW1 RBY 13
3pF
10 SW2 TRB 7
VCO
15 FLIP 6 5V
C205
PRE
BUFFER
3pF 14 GND 11
NC NC
12 5 1
C236
.022uF L204
15nH
C219
.022uF 4.6V TX
2.4V RX
R220
15K
5VREG
AGC
Q4
2 3
R23 C34 1
FREQ=73.35MHz
1.5K 0.1uF
FL1
1 3
IF
IN OUT
L36 L20 L22
C37
180nH 820nH 1.5uH .022uF
L23
1.5uH
C35 C36 2 4 C38
47pF 2.7pF 3.9pF
R36
510
C1 C65 R34
3.3 V
10uF 0.1uF 47K
3
2.28V
1
Q1
C54 C55
2
39pF
CR5 39pF 1.65V
C56
43pF
L24
R17
180nH
R35
20K
47K
R33
2.7K
C57
43pF
C52
.018uF
R25
C53 200K
R16
0.15uF
2.7K
2.1MHz
13V
36 42
C114 C116
14
0.1uF 0.1uF
XTAL1
15
R221
C289 NC XTAL2
1K
43pF
10 U204
FREFOUT
2.8V TX 30
MODOUT
C247
SYNTHESIZER
1200pF
9
VMULT1
8
VMULT2
7
NC VMULT3
6
TP205
FRACTN IC
NC VMULT4
C246
.022uF 1
37
R213
AUX1 A/D_BYPASS
NC
2K 38
C228
C244
AUX2
39
33pF 510pF
AUX3
40
NC AUX4
L209
26
TST1
10uH
27
C275 R212
NC TST2
R211
.047uF 1K
51
3-11V 32
IOUT
34
IADAPT
41
LOCK
35
C240 C239 C238 C237 C241
ADAPTSW
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 19
SUPFOUT
5V TX
0V RX
33 22
10 57 56 55 54 53 52 51 50 49 47 46 45 43 42 41 40 39 37 36
GND32
35
GND31
34
GND30
33
GND29
32
C209 C214
GND28
.022uF .022uF 31
GND27
30
U205
GND26
29
VCO GND25
28
BPOS GND24
48 27
GND23
26
GND22
25
GND21
24
GND20
23
GND19
22
GND18
21
C230 C225 GND17
20
33pF 33pF
14 44 11 38 1 2 3 4 5 6 7 8 9 12 13 15 16 1718 19
C3
3300pF
R1
CR4
1.1K
1
R21 3
10K
2
NC
C61
R22
C2 100pF
33K
0.1uF
R32
2.7K
C87
C9
0.1uF
0.1uF
C58
2.2pF
25 23 11
C284
.022uF 13
C279
C251 C250
0.1uF 33pF 0.1uF
EN_CE
3 7
C274
CLK CEXT SS
* NC
11 27
R222
SYN VREG DCWARP
4 8
1K
EN_CE DET DE
10 12
FOUT VOPT
5 VCO MOD 21 22
MODIN SO SCK
NC
2 25
U203
DATA
SI
20
REF OSC
SUPFIN
32
C266 NC18 NC1
24 31
3300pF
PVREF NC NC17 NC2
12 30
NC16 NC3
NC
29
NC15 NC4
29 4.6V
28
CPBIAS1 NC14 NC5
28 4.6V 20
CPBIAS2 NC13 NC6
19 14
NC12 VDD2
17 4.7 V 18 15
SUPFCAP
NC11 NC8
18
R214 17 16
R215
SUPFBASE NC NC10 NC9
22K
21 39K
PREIN
26
C253
16
WARP
10uF
31
EN
43 SYN
R_GND1 C211
44
3pF
R_GND2
C267
3300pF
C271
13 1 10uF
4.7 V
VCO MOD
C294
33pF
0.8 V
C40
100pF 2.5 V dc
C41
0.1 2.6V
uF
2.4V
41 40 39 38 37 36
7 6 5 4 3 2 1
RF AMP
C2NEG 35
8 GND DP1
DOWN BASEBAND UP CONVERSION
FILTERS MIXERS C3POS
MIXERS
9 RSSI OUT C3NEG
U3
10 RSSI FLT C4POS
IF IC
RSS
11 C4NEG 31
OMPAC ZIF
CHARGE PUMP 5V
90 DEG
TP401
PHASE
SHIFT
BANDPASS
LIM DEMOD
FILTERS
12 VCO 5V
DFM
C60
0.1uF
SECOND
13 EMIT
LOCAL
OSCILLATOR SERIAL
14 OFFSET MAIN
BASE SYNTH DATA
LOOP LOOP HF DEMOD
PORT
15 SUM DEMOD
GND DP2
C95
8.2pF
VCC 2_5V
16 17 18 19 20 21 22 23 24 25 26
2.5V
C48
C49 430pF
0.33uF
1.65V 3.65V
0V OR 5V UNLOCK
OTHERWISE LOCK
C62 C96
0.1uF 0.1uF
5VREG 5VREG
LCK
B+
C126
3
.022uF
2 VR101 C152
20 V 33pF
CLK
1
D
F1
1A
16.8 MHz
32V
C255
.022uF
C254
C260 C227
10uF
.047uF 33pF
U202
5V REG
23
24 1 OUTPUT 8
INPUT
5 7
ERROR FEEDBACK
9
2 SENSE 3
SHUTDOWN
6 5V_TAP
GND
C280
4
.022uF
1
2
3
4
16.8
5 D CLK LCK
MHz
6
C301
C125 C302
C231 C233
.022uF 0.1uF 33pF
33pF .022uF
C309
3300pF
C303
3300pF
C310
33pF
C42
0.22uF
1.55V
2.1MHz C304
33pF
C43
0.22uF
DAC_SEL C312
33pF
C44
34 2.5V 0.22uF
C308
33 2.4V
33pF
C45
32 3.0V 0.22uF
2.4V
C314
VAG 30
33pF
C46
R37
0.1uF
0
C305
33pF
29
28 2.8 V
C306
33pF
27 2.56 Vdc
C47
0.1uF 2
C313
R1= 33pF
47K
3 1
Q5
C311
3300pF
C307
33pF
NUF/PMUF6499D (900MHz)
TRANSCEIVER BOARDS' SCHEMATIC DIAGRAM (Sheet 2 of 2)
P404
B+
BATT+
BATT-
NC
J301
1 RAW B+
20 RAW B+
8 GND
9 GND
16 GND
18 GND
19 GND
2
SW B+
17 SYN SEL
3 VCO MOD
4 LOCK DET
5 REF OSC
TO JUMPER
13 2.1 MHz
FLEX P301
7
DAC SEL
6 DATA
12 SQ OUT
10 DISC
15 CLOCK
14 IF SEL
11 RSSI
63B81097C08-O
Sheet 2 of 2
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