DP405 Service Manual
transmitting, but the
called radio cannot
hear anything
B
.
The microphone is broken. Change to a new one.
6
The green indicator
glows when receiving,
but no sound is
received
A
.
The speaker is broken. Change to a new one.
B
.
The audio power amplifier U3 is broken. Change to a new IC.
C
.
Th switch tube Q602 Q603 is broken. Change to a new one.
7
Failed to write the
programming data
A
.
Worng cable connection. Check the connetion
B
.
The programming drive is not well installed. Re-install the driver.
25
Summary of Contents for DP405
Page 66: ...DP405 Service Manual Diagram 2 DP405 02 Motherboard Position Mark 6PM7 4169 HMB 63 ...
Page 67: ...DP405 Service Manual 64 ...
Page 73: ...DP405 Service Manual Diagram 4 DP405 01 Motherbaord Postion Mark 6PM7 4169 HMB 70 ...
Page 74: ...DP405 Service Manual 71 ...
Page 81: ...DP405 Service Manual Diagram 6 Module Postion Mark 6PD7 4038 HL1G 78 ...
Page 87: ...DP405 Service Manual Diagram 2 DP405 02 Motherboard Position Mark 6PM7 4169 HM F 84 ...
Page 88: ...DP405 Service Manual 85 ...
Page 94: ...DP405 Service Manual Diagram 4 DP405 01 Motherbaord Postion Mark 6PM7 4169 HMF 91 ...
Page 95: ...DP405 Service Manual 92 ...
Page 102: ...DP405 Service Manual Diagram 6 Module Postion Mark 6PM7 4320 HBA 99 ...