Figure 7-33. Vhf (146-174 Mhz) Controller Interconnect Schematic Diagram (8486342Z09-A) - Motorola CP150 Service Manual

VHF (146-174 MHz) Schematic Diagrams, Overlays, and Parts Lists (8486342Z09-A)
D3_3V
6880309N62-C
NU NU
1 2
NU NU
3 4
NU NU
3V
5 6
NU NU
7 8
E500
NU NU
BK1005HM471
9 10
NU NU
11 12 C500 C501
1000pF 1uF
NU NU
13 14
NU NU
15 16
NU NU
17 18
NU NU R504
19 20
100
NU NU
21 22
NU NU
23 24 R505
100
NU NU
25 26
NU NU
27 28
J460-1
ACCESSORY/KEYPAD
CONNECTOR
R503
100
5V SW_B+ D3_3V
OPT_DATA_READY
BACKLIGHT
KEYPAD_ROW
KEYPAD_COL
DISPL_COM_DATA_SEL
DISP_ENA
OPT_ENA
VS_CS
VS_INT
1 A1 B1 2
PTT
3 A2 B2 4
S441
OPT_BUTTON_1
SWITCH
OPT_BUTTON_2
1 A1 B1 2
3 A2 B2 4
FREQ_SEL_0
S442
S440
SWITCH 1
SWITCH PC0
2
PC1 FREQ_SEL_1
8 4
PC3 PC2
C0
C0
1 A1 B1 2 C1
C1 FREQ_SEL_2
3 A2 B2 4
9 7
S443 FREQ_SEL_3
SWITCH
SW_B+ 5V 3V
OPT_MIC
OPT_TX_AUD_FLAT_RETURN
OPT_TX_AUD_RETURN
OPT_TX_AUD_SEND
OPT_RX_AUD_SEND_DETECTOR
OPT_RX_AUD_SEND_UNMUTED
AUDIO
OPT_RX_AUD_RETURN
VS_AUDIO_SEL
VS_GAIN_SEL
VS_RAC
R502
100
R501
100
SYNTH_CS
MICROPROCESSOR

Figure 7-33. VHF (146-174 MHz) Controller Interconnect Schematic Diagram (8486342Z09-A)

PWR_SET
PWR_SET
DEMOD
DEMOD
BW_SEL BW_SEL
MOD_OUT MOD_OUT
16_8_MHZ 16_8_MHZ
SPI_CLK
SPI_DATA_OUT
SYNTH_CS
LOCK
RSSI
TP403
TX_ENA
TP404
USWB+ SW_B+ 5V 5R 5T 3V
TP301
LOCK
RSSI
RESET
TX_ENA BATT_CHARGE
RX_ENA RX_ENA
DC_REGULATION
VOLUME VOLUME
ON_OFF ON_OFF
TX_ENA
7-27
D3_3V
USWB+
5V
5R
5T
3V
June, 2005