23
4.4 MAIN Board (02P6269)
Figure 4.7 MAIN board (02P6269)
Test Point
TP Name
Functions
TP1
ROMCS
ROM select signal
TP2
EKP0 H1
KP output (H) to EXIF unit
TP3
TP4
TX0 H
Transmission signal to transmission amplifier (H)
TP5 TX1
H
Ditto
TP6
KP0 H
KP output (H)
TP7
DDS2 SCLK
Synchronous clock for data input to DDS (H)
TP8
22.5792MHz
Reference clock for DDS (H)
TP9
DDS2 SDATA
Frequency data for DDS (H)
TP10
KP2
Switching signal for DDS (H); High : transmission carrier signal, Low; LOCAL 1
TP11
KPOM
KP output (H) from Gate Array
TP12
LOCAL1 H
Local carrier signal (H) for mixer 1 of receiver circuit
TP13
LOCAL 2
Local carrier signal for mixer 2 of receiver circuit (235.2 kHz)
TP14 GND
0
V
TP15 76.3KHz
Clocks
TP16
TP15
TP13
TP14
TP19
TP20
TP21
TP2
CR2
TP5
TP4
TP6
CR3
TP12
TP8
TP10
TP9
TP7
TP18
TP17
CR11
TP23
CR12
TP29
CR15
TP31
TP35
CR16
TP34
TP33
TP32
TP26
TP25
TP27
TP30
TP11
TP28
R126
R125
R127
TP22
TP24
TP1 TP3
Содержание FCV-1200L
Страница 1: ...COLOR LCD SOUNDER FCV 1200L 1200LM Back ...
Страница 14: ...11 Figure 3 4 Block diagram of PWR board 02P6270 ...
Страница 36: ...33 TP26 22 5792 MHz TP27 DDS1 SCLK TP28 KPOS TP30 KP1 TP31 TX0 L TP33 TX1 L 5 Vpp 5 V 5 V 5 V 5 V 5 V ...
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