Vhf Controls And Switches Schematic Diagram - Motorola GP88s Service Manual

Circuit Board/Schematic Diagrams and Parts List
UNSWB+
SWITCH
S502
MECH_SWB+
4 5
TAB2
C502
CR501
7
0.47uF
TAB1
6
3 2 1
R507
0
Vdda
VOL
C505
SWB+
VR501
100pF 100pF
6.8V
Q502
2
RED_LED
R501
680
CR503
1
2
F501
24V
1 2
POS
3
NEG
C500 1
C503
RSSI_FIL
1000pF
100pF
L505 2
390nH
BATT_CODE
VR439
10V
VR506
6.8V
Vdda
C506 C507
R505 100pF 1000pF
10K
IMX1
4 1
5
R506
Q505
47K
3 6
GREEN_LED
R502
RTA3
180
RTA0
RTA1
3
RTA2
C511 C513 C514
C512
100pF
4 100pF 100pF 100pF
PB501
SWITCH
2 1
SB1
C521
VR440
B501
.01uF
6.8V
PB504
SWITCH
2 1
PTT
VR444
6.8V
PB502
SWITCH
2 1
SB2
C522
.01uF
VR441
6.8V
5V
ANT_BIAS
MIC
C523 C524
1000pF
100pF
S501
SWITCH
1
PC0
2
PC1
4 PC2 8
PC3
C0 C0
C1
C1
GND GND1
7 9
J407
1
S1
4
S2
2
S3
SPP
SPN
C509
C508
1000pF
100pF
Q503
3 4
C477 C501
10K
100pF 1000pF C478 C504
100pF
1000pF
47K
2
C515
4.7K
0.1uF
47K
1 6
R510
10K
J404
1
S1
3
S2
4
S3
2
S4
C446
4700pF
C454
100pF
C455
C520
470pF
C499
1000pF
100pF
C518
1000pF

VHF Controls And Switches Schematic Diagram

-15
9B
VR451
VR450
10.0V
10.0V
INT_SPN
INT_MIC
VR431
6.8V
SCI
3 VR432 3
VR433
10V
10V
2 2
1 1
C498
100pF
C519
1000pF
ZMY0130312-A