Download Print this page

Motorola CDM Series Detailed Service Manual page 21

Two-way mobile radios
Hide thumbs Also See for CDM Series:

Advertisement

Notes For All Schematics and Circuit Boards
VCOBIAS 1
VCOBIAS 2
VCOMOD
VCTRL
VDDA
VOLTAGE SENSE
VOLUME
VOX
VPP
VS AUDIOSEL
VS GAINSEL
VS INT
VS MIC
VS RAC
VSF
VSTBY
Four-layer circuit board detail, viewing copper steps in proper layer sequence
Switch Signal from Synthesizer
Switch Signal from Synthesizer
Modulation Signal into VCO
VCO Frequency Control Voltage
Regulated 5V for Digital Circuitry in RF Section
Voltage Sense Line from LCD
Volume Pot Output
Voice Operated Transmit Level
Boot Mode Select
Switch Signal to Enable Option Board Audio
Output Signal
Voice Storage Gain Select Line
Voice Storage Interrupt Line
Voice Storage Audio Signal into Microphone Path
Voice Storage Row Address Clock Signal
Voltage Super Filtered (5V)
5V Supply for µP when the Radio is switched off
SIDE 1
LAYER 1 (L1)
LAYER 2 (L2)
LAYER 3 (L3)
LAYER 4 (L4)
SIDE 2
Section 1: 2-9
INNER LAYERS
6881091C63-F

Hide quick links:

Advertisement

Troubleshooting

loading