Boards' Schematic Diagram (Sheet 2 Of 2) - Motorola HT-1000 Service Manual

13Vdc
C258
5V
4.7uF
CR204
0V
3 4
K1 A1
2 5
C286
K2 A2
330pF
1 6
K3 A3
C256
.01uF
8
VMULT2
C257 .01uF 9
C267
VMULT1
.01uF
7
VMULT3
CR206 6
VMULT4
C266
1 1 2 3 26
.01uF
5V
NC NC TST1
3 K1 K2 K3 27
0V TST2
NC
CR205
2 5Vpp (Note 5)
R218
100K
0Vdc (Rx, Tx) (Note 6) 37
NC
AUX1
-7.8 Vdc(Rx) (Note 5) Else 4.4 Vdc (Note 5)
38
-7.8 Vdc(Tx) (Note 5) AUX2
A1 A2 A3 40
Else 0 Vdc (Note 6)
NC AUX4
6 5 4 LCK 35
NC ADAPTTSW
41
Q201 LOCK
S
C259
C285 R215
0.22uF
30K
330pF
1.8Vdc (RX) 29
D CPBIAS1
1.7Vdc (TX) 28
CPBIAS2
19
SOUT
21
R214
PREIN
43K 39
AUX3
C252
.01uF
C250
L222 C271
1000pF
390nH 4.7uF L221
390nH
-31 dBm
1.5Vdc
C214 C213 L205 C251 L208
*
5.6pF 33nH 330pF 1uH
C211
330pF
3.3Vdc
C212 R209
* 510
R220
2K
0.1Vdc (RX)
2.4Vdc (TX)
C209 C294
0.1uF 330pF
R223
L220 L204
47K
150nH 1uH
1.7Vdc
10
16 5 7
C287
L223 15
1.2Vdc
3pF
RBY U201
180nH
-18dBm
4
VCO BUFFER
TX_LO TX_OUT
2
RX_OUT
C208 C201 C202 C203
6.2pF 1pF 10pF 5.1pF
14 1 8 12 11
L201 13
NC
33nH
C204 R210
330pF
510
RX_LO
C205
3pF L215
1uH
2.2Vdc (RX)
0Vdc (TX)
AGC
IF
4Vpp
C245
(16.8MHz)
1000pF
R221
*
5Vdc
2.1MHz C260
.039uF
20 36 42 25 23 11 R222
1.2K
C280 C277 C274 C284
*
100pF 330pF .01uF
10 CLK
FREFOUT
3
CLK
15
NC
XTAL2
14
XTAL1
5
MODIN
C293 C303
0V OR 5Vdc UNLOCK
*
.022uF 1.8Vdc typical (shield in place)
D
U204
SYNTHESIZER R51
2
DATA 200K
32
IOUT
34
IADAPT
C248
SYN
0.1uF
4
EN_CE
24
R212
PVREF
NC
R213 TP5
12 620
AD_BYPASS
NC
270
16
WARP NC
18 C246
SBASE R211
NC
L224 .022uF
17
62
270nH
CAP
30
MODOUT
C253 C247 C289
10uF 1uF .022uF
33 22 13 1 44 43 31
0.7Vdc (RX)
4.5Vdc (TX)
CR201 CR208
R203
L219 C235 C238
22
C241
22nH 15pF 1000pF
30pF
C236
-16dBm
11pF
C237
C243
13pF
24pF
2.5Vdc
Q202
R204 R205
20K 30K C240
L210
1-4pF
27nH
-25dBm 2.6Vdc
4.5Vdc
R208 R207
L217
20K
4.7K
1uH
C206 C288 L218
1uH
620pF 330pF
CR202
C221
330pF
R206
C230
3 20K
L212
VCC
12pF
C228
82nH
6
C225 330pF
SV1
9 1.6pF
C
C222
C226
7.5pF 62pF
-17dBm(TX)
2.8Vdc
R217 C219
C223
30K 10pF
1-4pF L211
CR207 CR203
56nH *
L216 C227
C220
39nH
330pF
R219
15pF
22
NC NC NC NC
D CLK
23
9 13 14 20 27 7 5V_REG
10 25
FOUT S1
L225
8 22
DET SCK 2.2uH
12 24
VOPT SS
U203
11 21 C291 C292 C254 C255
NC
VREG SO
.022uF .022uF 4.7uF 1000pF
REF OSC
26 32
GND NC18
1 16.8 MHz 31
NC1 NC17
2 30 C210
NC2 NC16
.022uF
3 29
NC3 NC15
1 Vpp
4 5 6 15 16 17 16 18 19 28
16.8MHz
-38dBm
44.85MHz (NOTE 4)
C52 R16 R17
C65 C63
20K
.018uF 2.7K
.01uF 0.1uF
R32
R34
2.7K
47K
C53 CR5 C54
0.15uF 330pF
3.8Vdc
C55
3
27pF
2.5Vdc 1
Q1
C58
C56 2.2pF
2
43pF
R35
L24
47K
470nH
1.7Vdc
R33
C57 C95
2.7K
18pF
43pF
TP5 VCTRL
5.0Vdc (TX), 136MHz
5.0Vdc (RX), 136MHz 5V_REG
7.5Vdc (TX), 178MHz
7.5Vdc (RX), 178MHz
-56dBm (NOTE 4)
L25
(using 10 pF)
2.2uH
R43
C40
L23
R73
510
100pF
1.8uH
10K
L209
L33
1uH 2.2uH
1.6Vdc
C244
C70
.022uF
.01uF
C60
C61
0.1uF
0.1uF
C231
10uF
C233
330pF
-31dBm (NOTE 4)
L213
C34
1uH
L20
R41
47pF
22 1.2uH
L19 R40 R42
C270
C35 C36
270nH 270 270
1000pF
47pF 4.3pF
F1
SB+
U202
C315
1.0A
5V REG
330pF
32V
1A
1 8
OUTPUT INPUT
GND
5
7 C125
NC ERROR FEEDBACK
3.3uF
2 3
SENSE SHUTDOWN
6
5V_TAP
7.5Vdc
4
2.4Vdc
5V_REG
C96 LCK
C62
Q5
.01uF
*
R1=47K
LOCK=5V
3.6Vdc
UNLOCK=0V
C49
CLK
0.33uF
L301
DURING
1uH
PROGRAMING
2.8Vdc
D
R45
51K
23 14 18 22 25 19 20 21 29
PINS 31-38 = 2.5Vdc
17 31
+5V3 C4NEG
13 32 C45
+5V2 C4POS
0.22uF
12 33
Vpp C3NEG
11 34 C44
+5V1 C3POS
35 0.22uF
1.6Vdc
C2NEG
36 C43
C2POS
U3
6 37 0.22uF
DM_IN C1NEG
ZIF
5 38 C42
PEAMP_OUT C1POS
0.22uF
4 28 2.8Vdc
PEAMP_5V DISC
10 24
RSSI_FLT RAMPCAP
7 27
2.5Vdc
DM_BYP +2.5V1
3.4Vdc 40 C48
AGC
430pF
C41
0.1uF
C47
0.1uF
39
30 1 8 15 16 26 41 3 2 9
2.5Vdc
C46
0.22uF
R47
Q4
22
2 3 2.0Vdc
C50 R44
0.1uF 15K
R49 1
-37dBm (RX) (NOTE 4)
1.5K
1.6Vdc
R46
47K
C33
9.1pF
44.85MHz
FL1
C39
0
1 3
IN OUT
TP10
L22 R50
C38
2 4 2.7pF 1uH 3.9K
NUD7091B, NUD7092B, NUD/PMUD7095B, AND NUD7096B VHF (136-178 MHz)
TRANSCEIVER BOARDS' SCHEMATIC DIAGRAM (Sheet 2 of 2)
B+
1
BATT+
2
BATT-
3
NC
IS_B+
J301-1 RAW_B+
J301-20
RAW B+
J301-2 SW_B+
J301-3 VCO_MOD
J301-5
REF_OSC_SEL
C304
330pF
J301-4 LOCK_DET
C308
100pF
CLOCK
J301-15
J301-14 IF_SEL
C311
3300pF
J301-12 SQ_OUT
C305
100pF
SYN
J301-17 SYN_SEL
TO P301
C309
3300pF
1kHz
280mVpp/kHz
DEVIATION
J301-10 DISC
C306
100pF
1.3Vdc
2.9Vdc (RX) (NOTE 2)
J301-11 RSSI
C307
100pF
2.1MHz
2.1MHz/2.4MHZ
J301-13
1200mVpp
DAC
J301-7
DAC_SEL
C310
330pF
D
L302
DATA
1uH
5V
J301-6
C314
*
J301-8
GND
J301-9 GND
J301-16 GND
J301-18 GND
J301-19 GND
63B81097C02-O
Sheet 2 of 2
65