Pioneer 434CMX Service Manual - Page 38

X Drive Assy, 43 Y Drive Assy And 43 Scan A Assy, Sus Block, X Logic Block

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1 2 3 4 43 X DRIVE ASSY, 43 Y DRIVE ASSY and 43 SCAN A ASSY SUS BLOCK, X LOGIC BLOCK, Y LOGIC BLOCK, Y SUS BLOCK, SCAN A BLOCK A 1 Drive Output Waveform (1 field,color-bar) 5 Control Signal (Sustain Waveform Gen.) CH1: R1226 (XPSUS) - K1201 (SUSGND) (43 X DRIVE ASSY) CH2: R2348 (YPSUS) - K2301 (SUSGND) (43 Y DRIVE ASSY) CH3: K3001 (Scan OUT) - K2301 (SUSGND) (43 SCAN A ASSY) V: 100V/div. H: 2msec/div. 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) (43 Y DRIVE ASSY) V: 1V/div. H: 500nsec/div. CH1 CH2 CH3 CH2 CH4 CH5 B CH3 CH6 CH7 2 Reset Pulse CH1: R1226 (XPSUS) - K1201 (SUSGND) (43 X DRIVE ASSY) CH2: R2348 (YPSUS) - K2301 (SUSGND) (43 Y DRIVE ASSY) CH3: K3001 (Scan OUT) - K2301 (SUSGND) (43 SCAN A ASSY) V: 100V/div. H: 100µsec/div. 6 Scan Control Signal (1 field, color-bar) 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) (43 Y DRIVE ASSY) V: 1V/div. H: 2msec/div. CH2 CH1 CH3 C CH4 CH2 CH5 CH6 CH3 CH7 3 Sustain Pulse (1 sub-sub-field) CH1: R1226 (XPSUS) - K1201 (SUSGND) (43 X DRIVE ASSY) CH2: R2348 (YPSUS) - K2301 (SUSGND) (43 Y DRIVE ASSY) CH3: K3001 (Scan OUT) - K2301 (SUSGND) (43 SCAN A ASSY) V: 50V/div. H: 5µsec/div. 7 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. (43 X DRIVE ASSY) D CH1 CH1 CH2 CH2 CH3 CH3 CH4 4 Sustain Waveform CH1: R2348 (YPSUS) - K2301 (SUSGND) (43 Y DRIVE ASSY) V: 50V/div. H: 500nsec/div. E CH1 8 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. (43 Y DRIVE ASSY) CH1 CH2 CH3 CH4 F 38 PDP-434CMX 1 2 3 4

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PDP-434CMX
38
1
2
3
4
1
2
3
4
C
D
F
A
B
E
43 X DRIVE ASSY, 43 Y DRIVE ASSY and 43 SCAN A ASSY
SUS BLOCK, X LOGIC BLOCK, Y LOGIC BLOCK,
Y SUS BLOCK,
SCAN A BLOCK
CH1: R1226 (XPSUS) - K1201 (SUSGND)
(43 X DRIVE ASSY)
CH2: R2348 (YPSUS) - K2301 (SUSGND)
(43 Y DRIVE ASSY)
CH3: K3001 (Scan OUT) - K2301 (SUSGND)
(43 SCAN A ASSY)
V: 100V/div.
H: 2msec/div.
CH1
CH2
CH3
Drive Output Waveform (1 field,color-bar)
CH1: R1226 (XPSUS) - K1201 (SUSGND)
(43 X DRIVE ASSY)
CH2: R2348 (YPSUS) - K2301 (SUSGND)
(43 Y DRIVE ASSY)
CH3: K3001 (Scan OUT) - K2301 (SUSGND)
(43 SCAN A ASSY)
V: 100V/div.
H: 100
µ
sec/div.
CH1
CH2
CH3
Reset Pulse
CH1: R1226 (XPSUS) - K1201 (SUSGND)
(43 X DRIVE ASSY)
CH2: R2348 (YPSUS) - K2301 (SUSGND)
(43 Y DRIVE ASSY)
CH3: K3001 (Scan OUT) - K2301 (SUSGND)
(43 SCAN A ASSY)
V: 50V/div.
H: 5
µ
sec/div.
CH1
CH2
CH3
Sustain Pulse (1 sub-sub-field)
CH1: R2348 (YPSUS) - K2301 (SUSGND)
(43 Y DRIVE ASSY)
V: 50V/div.
H: 500nsec/div.
CH1
Sustain Waveform
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)
(43 Y DRIVE ASSY)
V: 1V/div.
H: 500nsec/div.
CH2
CH3
CH4
CH5
CH6
CH7
Control Signal (Sustain Waveform Gen.)
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)
(43 Y DRIVE ASSY)
V: 1V/div.
H: 2msec/div.
CH2
CH3
CH4
CH5
CH6
CH7
Scan Control Signal (1 field, 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.
(43 X DRIVE ASSY)
CH2
CH1
CH3
CH4
X 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.
(43 Y DRIVE ASSY)
CH2
CH1
CH3
CH4
Y Drive Pulse Control Signal (color-bar)
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3
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5
6
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