Sc Pc Board; Speaker - Panasonic UF-490 Service Manual

3.6.

SC PC Board

CN2
SC PCB
Signal Name
Pin No.
CN2-1 pSPKOT
CN2-2 GND
CN3
SC PCB
Signal Name
Pin No.
A0
CN3-1
CN3-2 AGND
CN3-3 +5V
CN3-4 SI
CN3-5 CLK
CN3-6 GLED
CN3-7 VLED
Destination

SPEAKER

SPEAKER
Destination
CIS
CIS
CIS
CIS
+5V
CIS
+5V
CIS
CIS
Signal Waveform
+1V
(Max)
-1V
(Min)
0V
Signal Waveform
+0.2V(Max)
+0.1V(Min)
0V
+5V
0V
0V
+24V
ON
0V
+24V
47
Function
Monitor Signal
Ground
Function
Picture Signal
Ground
+5 VDC Power Supply
Line Synchronizing Signal
Picture Element Clock
GND for LED
+24 VDC Power Supply