30
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Electrical Instructions (Continued)
5.1.3 PIN ASSIGNMENT OF WAFER TO CONTROL BOARD
PIN No.
SIGNAL (WAFER 1701)
1
OSD
2
UP
3
DOWN
4
RIGHT
5
LEFT
6
AUTO
7
PIP
8
SOURCE
9
DCSW1
10
MUTEIN
11
GND
12
POWER LED
13
SLEEP LED
14
PC LED
15
VIDEO LED
16
GND
5.1.4 PIN ASSIGNMENT OF WAFER TO CONTROL BOARD
PIN No.
SIGNAL (WAFER 1704)
1
+18V
2
+18V
3
GND
4
GND
5
AUDIOMUX
6
AUDIOPW
7
VOLUME
8
MUTEOUT
9
DCSW2
10
GND
5.1.5
PIN ASSIGNMENT OF WAFER TO PANE
PIN No.
SIGNAL (WAFER 1705)
1
GND
2
GND
3
LCM18V
4
LCM18V
5
GND
6
GND
6. Microphone test (B)
The aim of the set-up below is to test whether the microphone is
operating correctly.
Connect the microphone pink plug to a signal measuring equipment
with incorporate DC bias according circuit below:
Place a reference sine wave sound source close to the microphone
openings and check the microphone output for correct output signal.
Please note that the microphone has two openings: One at front and
one at the bottom. The reference sound source should be positioned
in such a way that the sound reaches both openings.
The actual quality of microphone can only be checked by recording and
listening tests, using PC software like Microsoft Sound Recorder
(available in Windows'98/95 Multimedia menu )
+5V
220
Microphone
Test Circuit
2V4
1K
Hudson2 200P3
Содержание Hudson2 200P3
Страница 33: ...32 Hudson2 200P3 9 Go to cover page Schematic PWB Components side view ...
Страница 34: ...9 Go to cover page 32 Hudson2 200P3 Schematic PWB Compohnents side view ...
Страница 36: ...9 Go to cover page 33 Hudson2 200P3 Schematic PWB Copper track side view ...
Страница 39: ...9 Go to cover page 36 Hudson2 200P3 Schematic diagram TMSD RX TMDS Transmitter ...
Страница 40: ...37 9 Go to cover page Hudson2 200P3 Schematic diagram VIDEO Video Decoder ...
Страница 45: ...9 Go to cover page 42 Hudson2 200P3 Schematic diagram POWER SUPPLY ...
Страница 47: ...43 9 Go to cover page Hudson2 200P3 Power Board C B A copper track smc side view ...
Страница 50: ...46 9 Go to cover page Hudson2 200P3 Schematic diagram AUDIO AMP MIC PREAMP ...
Страница 51: ...9 Go to cover page 47 Hudson2 200P3 Schematic diagram AUDIO PWR KEYPAD ...
Страница 54: ...9 Go to cover page 50 Hudson2 200P3 Inverter Diagram PWB AMBIT ...
Страница 70: ...66 Hudson2 200P3 Go to cover page CA110 Application Continued ...