Pioneer PDP-505HD Service Manual page 23

Waveforms of VIDEO ASSY
Synchronous Signal Processing Block
(When INPUT1 NTSC RAMP signal is input)
CH1: VIDEO input
V : 1V/div H : 2msec/div
CH2: K2032 (VD_PLD), IC2005 Pin 112
V : 5V/div H : 2msec/div
CH3: K2018 (VD_u), IC2005 Pin 34
V : 5V/div H : 2msec/div
CH4: K2031 (VD_DSEL), IC2005 Pin 137
V : 3.3V/div H : 2msec/div
Synchronous Signal Processing Block
(When INPUT1 NTSC RAMP signal is input)
CH1: VIDEO input
V : 1V/div H : 100msec/div
CH2: K2033 (HD_PLD), IC2005 Pin 110
V : 5V/div H : 100msec/div
CH3: K2019 (HD_u), IC2005 Pin 32
V : 5V/div H : 100msec/div
CH4: K2029 (HD_PLL), IC2005 Pin 118
V : 3.3V/div H : 100msec/div
Synchronous Signal Processing Block
(When INPUT1 NTSC RAMP signal is input)
CH1: K2033 (HD_PLD), IC2005 Pin 110
V : 5V/div H : 10msec/div
CH2: K2029 (HD_PLL), IC2005 Pin 118
V : 3.3V/div H : 10msec/div
CH3: K2432 (DIVOUT), IC2402 Pin 103
V : 5V/div H : 10msec/div
PDP-505HD
Synchronous Signal Processing Block 2
(INPUT4 PC siganl VESA:
1280x1024@60Hz (SXGA@60Hz)
when there is signal input [ separate H, V ]
CH1: K2026 (VD_4),
IC2005 Pin71 (VD input)
V: 5V/div H: 2msec/div
CH2: K2020 (VD_FIL), IC2005 Pin 102
V: 5V/div H: 2msec/div
CH3: K2018 (VD_u), IC2005 Pin 34
V : 5V/div H : 2msec/div
CH4: K2031 (VD_DSEL), IC2005 Pin 137
V : 3.3V/div H : 2msec/div
Synchronous Signal Processing Block 2
(INPUT4 PC siganl VESA:
1280x1024@60Hz (SXGA@60Hz)
when there is signal input [ separate H, V ]
CH1: K2004
(SYNC_SEP: input Green signal),
IC2002 Pin4
V : 2V/div H : 100msec/div
CH2: K2029 (HD_PLL), IC2005 Pin 118
V : 3.3V/div H : 100msec/div
CH3: K2031 (VD_DSEL), IC2005 Pin 137
V : 3.3V/div H : 100msec/div
CH4: K2030 (HOLD_PLL), IC2005 Pin 120
V : 3.3V/div H : 100msec/div
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