Schematic Diagram For Pmln4059A & Pmcd4001A Controller Board, Vhf 12.5/20/25Khz - Motorola GP68 Service Manual

+5V
SWB+
C305
.018uF
SWB+
U302
U456
8 1 REG
VIN VOUT
6 2 6
5V_TAP SENSE VIN
7 4 C304 2
FEEDBACK GND CONTROL
C306 5 3 4.7uF 1
6 SHUTDOWN BYPASS
2.2uF
ERROR
SW480-1 C301
100pF
5
Y401
7.9488MHz
B+
2 1
Q401 3
C401
L401 C402 24pF
1
33uH
1pF
2
R402 C404
4700
15pF
U457
LM2936
8 1
VIN VOUT
7 4
GND1 NC
C313 6 5
GND2 NC
0.1uF 3 C493 C312
GND3
2 470pF 10uF
GND4 R407
R414
1000
NU
MONITOR
R417
51K +5V
+5V R408
R487
51K 51K
CR405
SW401
3
C
C409 C407
2
0.1uF 1nF C406 C408
B 1nF 0.1uF
1
A
R810 R809 R808 R807
R804 R805 R806
130K 43K 22K 13K
100K 33K 18K
R5 R4 R3 R2 R1
+5V
R415
C4 C3 C2 C1
51K
+5VTX
1
Q404 R172 C169
68K ADAPT
1uF
+5VTX 3 2
C471
2
680pF
6
7 1
R171 Q101
C415 U150-2
12K 5
R166 R167 C422
C164 C163 100K 51K NU 8 1nF
3
10nF 470pF
R173 IDAC
+5VTX
200K
C470
CR108 NU
16 C416
R174
2
VDD 100K NU
R435 Q3B
15 U152 11
51K DB Q2B
7 12
SRDATA DA Q1B
1 13
CB Q0B SWB+
9 10
PCCLK CA Q3A
14 3
RB Q2A C168
6 4 R180 R177 C165
RA Q1A
5 22K 130K 0.1uF
1nF
Q0A R175
VSS
4 100K
3 C414
8
+5VTX
1 NU
U150-1
2
R168 R169
51K
100K
R170
C167
100K R178 R176
100K 100K
4.7nF
CL401 CL402
TX Power Controller Circuitry
1 1
J404
KEYPAD/LCD_DISPLAY_CONNECTOR
TP405
+5V_A
C410
+5V
4 1nF
VOUT
3
RESET
5 R301
GND
100K
6 3
TP410
E1 E2
R305
+5V SCI
Q402 4700
5 2
B1 B2
DUAL_PNP
C417 C418
C1 C2
1nF 2.2uF
R418 VR402 C308 +5VTX +5VRX
1 4
100K R419
10V 150pF R306
100K
TP403
0
C302 C303
R401
1.8MEG R302 1nF 1nF
4700
23
31 EXTAL
VSS3
24
VSS2
49
VSS1
+5V
33 XTAL
5
PB7
22 10
VRH PB2
50
R403 PD1
C405
100K
0.1uF CR401 R420
21 U401 10K C419
VRL
25 MODB 47 0.1uF
PD0
27 M68HC11E20 13
MODA PE0
14 PE4
CR402
SWB+ +5V
16
PE5
18 PE6
C491
20 43
PE7 RESET
11
PB1
1nF 1 53 R421 R427
PA0 PD4
8 52
100K 6200
PB4 PD3
7 PB5 37
PC2 CR404
63 36
PA2 PC1
9 R422 C425
PB3
17 56K 10nF
PE2
38 PC3 PE3 19
6
U452-2
5
SRCLK
C424
R425 R424
R423 8
160K 220K .039uF SWB+
100K SRDATA
R433
PCCLK
10K
C421
1nF
SW402
2
C420 1
1nF
J403
OPTION BD CONNECTOR
C457
240pF
CR403 R459
51K
SRCLK
SRDATA
C456 +5V 1
U452-1
4
1uF
C451 C449 C411 C412
0.1uF 1nF 1nF 1nF
R461
100K
XTAL_OUT 36
37
NC R465
R454
30K
33 CHIP_SELECT 4_BIT_ATTEN_OUT 19
47K
R455
27 PL_DPL_DECODER_OUT 5_BIT_ATTEN_OUT 20
10K 2.5VDC R456
32 PL_CLOCK_STROBE SQ_ATTEN_IN 16
18
SQ_ATTEN_OUT 470K
U451 7
RX_IN
8
AFIC PL_DPL_IN
13 AUX_TX_IN 3
R457
GCB5
39 C450 51K
GCB1
12 EXT_ALERT_TONE_IN 23
RX_OUT
2
GCB4
22
UNATTEN_RX_OUT 0.1uF
40
GCB3
VAG_BYPASS 28
GND 26 C455
0.1uF
R451
R453 C454
C453
0.47uF
51K 1uF
180K
7
R452
470K
C452
1nF
R470
24K
C481
R481
.039uF
2200
SW_ONOFF
SW480-2
R480 R482
30K
100
R488
NU
C458
.039uF
C459
150pF R458
5600
VR406 VR403 B+
R460
10V
10V
10K
C413 CR107
2
C461
C460 .018uf L402
NU J406
3 2
.39uH MIC_JACK
3
.018uF
C462 VR401 C464
1
R466 470pF 10V NU C467
1nF
2200
R462
+5V
+5VTX
330
6 3
J401
E1 E2 R464
CONN_CONT2
47K
5 2 C465 18
R468
B1 Q403 B2 B+ B+
4.7uF
470pF
20
C1 C2 GND
L403
C468 R467 5
1 4
10K +5V +5V
4.7nF 0.18uH
13
MIC +5VRX +5VRX
R463
12
100K C469
+5VTX +5VTX
470pF
19
IDAC IDAC
9
ADAPT ADAPT
6
MODIN
15
SQATIN
7
SQATOUT
215mV RMS 14
DETAUDIO
1
FREF
R428
3
SYNEN
100
R431 10
LOCK
10K R432 11
CSQDET
10K
17
RSSI
R434
8
RFEN
10K
R436
230mV RMS 16
FASTSQ
R429 10K
2
SRCLK CLK
R430
100
4
SRDATA
DATA
100
J402
CONN_CONT1
1
GND
2
R4 R4
3
R3 R3
SWB+ 4
C4 C4
C488
R484
5
.039uF
18K R2 R2
6
MONITOR MONITOR
C487
VR405 7
NU
C485 SP_NEG
10V
4.7uF
8
L404 SP_POS
390nH
R485
1 9
680K MIC MIC
R486 C494 4 10
J405 GND1
22 NU
SPEAKER_JACK
6 4 2 11
R483 C3 C3
C483 100K VCC VIN 5
VO1
3 FC1 3.4VDC C489 12
C2 C2
U454
0.1uF C495
AUDIO_AMP L405
0.1uF 8 3.4VDC 13
Audio VO2 NU C1 C1
2 1
FC2 CD 390nH
C482 C484 GND 14
R1 R1
470pF 470pF C486 7 C490
J407
15
1uF 1nF
SCI R5 R5
2
SCI_JACK
16
GND2
4
17
C4 C4A
1
18
NC
Audio Amplifier Circuitry 19
NC1
20
NC2
63D81086C57-O
PMCD4001A Controller Board, VHF 12.5/20/25KHz
March, 1997
Schematic Diagram for PMLN4059A &
9
6881086C09-O