Sony KD-34XBR2 - 34" Hdtv Fd Trinitron Wega, Training Manual

Page: 52 / 113

49
11. Video Process - HA-3 and RA-5A Chassis
Waveform 11-2 shows the high-resolution output (ch 2-4) of the Q Box compared to the standard resolution (ch 1)
color bar pattern composite input. The sync is doubled and the resolution is increased (density is higher).
PM3394, FLUKE & PHILIPS
CH1 500mV~
CH2! 500mV~
CH3! 500mV~
CH4! 500mV~ CHP MTB10.0us- 1.72dv ch2+
1
2
3
4
T
Ch 1
Ch 2
Ch 3
Ch 4
Waveform 11-2 – Hi Scan Video Output Q box
Name Location Voltage/div
Channel 1 NTSC Main Tuner Out CN002/pin B9 1Vp-p
Channel 2 Hi Scan Pr CN001/pin C17 0.5Vp-p
Channel 3 Hi Scan Pb CN001/pin C16 0.6Vp-p
Channel 4 Hi Scan Y Signal CN001/pin C15 0.7Vp-p
Time base 10usec/div
Waveform 11-3 shows the menu signal output the Q box. This menu signal is present for 1.5 minutes after the
menu button is pressed. The signal appears on all RGB outputs lines because the new menu is white in color.
Cancel the menu by pressing the menu button again.
CH2! 500mV~
CH3! 500mV~
CH4! 500mV~ ALT MTB5.00us- 1.72dv ch3+
2
3
4
T
Ch 1
Ch 2
Ch 3
Waveform 11-3 – OSD Menu Signal from Q box
Name Location Voltage/div
Channel 1 OSD Red CN001/pin C13 0.5Vp-p
Channel 2 OSD Green CN001/pin C12 0.5Vp-p
Channel 3 OSD Blue CN001/pin C11 0.5Vp-p
Time base 10usec/div