Sharp 802SH Service Manual page 63

43
R1506 LEDLD (Backlight ON: Key is pressed)
R1503 SECLK (Backlight ON: Key is pressed)
R1504 SEDO (Backlight ON: Key is pressed)
(CH1, CH2, CH3=2V, 1µs/div)
44
C1555 VRX2DP (Camera is active)
C1555 VRX2DN (Camera is active)
(CH1, CH2=100mV, 20ns/div)
45
C1554 VRX2CKP (Camera is active)
C1554 VRX2CKN (Camera is active)
(CH1, CH2=100mV, 20ns/div)
CONFIDENTIAL
46
L3009 VTX1DP (Display is turned on)
L3010 VTX1DN (Display is turned on)
(CH1, CH2=500mV, 20ns/div)
47
L3011 VTX1CKP (Display is turned on)
L3012 VTX1CKN (Display is turned on)
(CH1, CH2=500mV, 20ns/div)
5 – 6
48
Pressure-welded flexible PWB of sub camera
PCLK
(During video call, with sub camera active)
VSYNC
(During video call, with sub camera active)
HSYNC
(During video call, with sub camera active)
D0
(During video call, with sub camera active)
(CH1, CH2, CH3, CH4=2V, 10ms/div)
49
Pressure-welded flexible PWB of sub camera
PCLK
(During video call, with sub camera active)
VSYNC
(During video call, with sub camera active)
HSYNC
(During video call, with sub camera active)
D0
(During video call, with sub camera active)
(CH1, CH2, CH3, CH4=2V, 400ns/div)
802SH