Pioneer PDP-434CMX Service Manual page 58

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50 (43) X DRIVE ASSY, 50 (43) Y DRIVE ASSY and 50 (43) SCAN A ASSY
• 50 (43) X SUS BLOCK, 50 (43) Y LOGIC BLOCK, 50 (43) Y SUS BLOCK
1
A Drive Output Waveform (1 field,color-bar)
CH1: R1226 (XPSUS) - K1201 (SUSGND)
(50 X DRIVE ASSY)
CH2: R2348 (YPSUS) - K2301 (SUSGND)
(50 Y DRIVE ASSY)
CH3: K3001 (Scan OUT) - K2301 (SUSGND)
(50 SCAN A ASSY)
V: 100V/div. H: 2msec/div.
CH1
CH2
B
CH3
Reset Pulse
1
CH1: R1226 (XPSUS) - K1201 (SUSGND)
(50 X DRIVE ASSY)
CH2: R2348 (YPSUS) - K2301 (SUSGND)
(50 Y DRIVE ASSY)
CH3: K3001 (Scan OUT) - K2301 (SUSGND)
(50 SCAN A ASSY)
V: 100V/div. H: 100µsec/div.
CH1
C
CH2
CH3
1 Sustain Pulse (1 sub-sub-field)
CH1: R1226 (XPSUS) - K1201 (SUSGND)
(50 X DRIVE ASSY)
CH2: R2348 (YPSUS) - K2301 (SUSGND)
(50 Y DRIVE ASSY)
CH3: K3001 (Scan OUT) - K2301 (SUSGND)
(50 SCAN A ASSY)
V: 50V/div. H: 5µsec/div.
D
CH1
CH2
CH3
2 Sustain Waveform
CH1: R2348 (YPSUS) - K2301 (SUSGND)
(50 Y DRIVE ASSY)
E
V: 50V/div. H: 500nsec/div.
CH1
F
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1
2
3
Control Signal (Sustain Waveform Gen.)
CH2: K2016 (YSUS-G) - K2010 (DGND)
CH3: K2025 (YSUS-U1) - K2010 (DGND)
CH4: K2022 (YSUS-U2) - K2010 (DGND)
CH5: K2026 (YSUS-B) - K2010 (DGND)
CH6: K2024 (YSUS-D2) - K2010 (DGND)
CH7: K2027 (YSUS-D1) - K2010 (DGND)
(50 Y DRIVE ASSY)
V: 1V/div. H: 500nsec/div.
CH2
CH3
CH4
CH5
CH6
CH7
Scan Control Signal (1 field, color-bar)
4
CH2: K2006 (SI) - K2029 (DGND)
CH3: K2009 (OC1) - K2029 (DGND)
CH4: K2004 (OC2) - K2029 (DGND)
CH5: K2007 (CLR) - K2029 (DGND)
CH6: K2003 (CLK2) - K2029 (DGND)
CH7: K2008 (LE) - K2029 (DGND)
(50 Y DRIVE ASSY)
V: 1V/div. H: 2msec/div.
CH2
CH3
CH4
CH5
CH6
CH7
5 X Drive Pulse Control Signal (color-bar)
CH1: R1226 (XPSUS) - K2301 (SUSGND)
V: 100V/div. H: 2msec/div.
CH2: K1016 (XCP-MSK) - K1020 (DGND)
CH3: K1015 (XSUS-MSK) - K1020 (DGND)
CH4: K1014 (XNR-D) - K1020 (DGND)
V: 1V/div. H: 2msec/div.
(50 X DRIVE ASSY)
CH1
CH2
CH3
CH4
6 Y Drive Pulse Control Signal (color-bar)
CH1: R2348 (YPSUS) - K2301 (SUSGND)
V: 50V/div. H: 2msec/div.
CH2: K2015 (YSUS-MSK) - K2010 (DGND)
CH3: K2017 (YSOFT-D) - K2010 (DGND)
CH4: K2023 (YPR-U) - K2010 (DGND)
V: 1V/div. H: 2msec/div.
(50 Y DRIVE ASSY)
CH1
CH2
CH3
CH4
PDP-504CMX/1
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3
Note:
50 (43) ∗∗∗ Assy means (50 ∗∗∗ Assy or 43 ∗∗∗ Assy.)
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