Read Sony XVM-R75 Service Manual online
10
XVM-R75
• Waveforms (MAIN Board)
1
U16
3
(VIN2)
0.5V/DIV 20µsec/DIV
H
1.0Vp-p
SECTION 3
DIAGRAMS
2
U16
7
(VOUT)
1V/DIV 20µsec/DIV
3
U505
qg
(OSC2/CLKOUT)
1V/DIV 0.2µsec/DIV
4MHz
H
2.0Vp-p
2.0Vp-p
• Waveforms (DISPLAY Board)
1
Q38
C
2V/DIV 1µsec/DIV
2.25µsec
2
Q35
C
10V/DIV 5µsec/DIV
3
Q36
C
10V/DIV 5µsec/DIV
19.5µsec
qa
U600
wf
(B_OUT)
2V/DIV 20µsec/DIV
2H
qs
U600
eh
(SYN_S)
0.2V/DIV 20µsec/DIV
H
qd
U601
9
(C)
5V/DIV 20µsec/DIV
H
5.6Vp-p
19.5µsec
20Vp-p
20Vp-p
4.0Vp-p
0.7Vp-p
7.0Vp-p
4
U17
qh
(NON-INV INPUT)
1V/DIV 5µsec/DIV
19.5µsec
5
U1
qf
(X)
0.5V/DIV 20µsec/DIV
6
U600
3
(V_IN)
0.2V/DIV 20µsec/DIV
H
qf
U705
ta
(VIH)
1V/DIV 2msec/DIV
V
qg
U705
th
(HOOUT1)
1V/DIV 20µsec/DIV
H
qh
U705
tk
(VSYNC)
1V/DIV 2msec/DIV
V
3.4Vp-p
H
0.7Vp-p
0.4Vp-p
3.2Vp-p
3.2Vp-p
3.2Vp-p
7
U600
5
(C_IN)
0.5V/DIV 20µsec/DIV
H
8
U600
qh
(VCO_IN)
0.2V/DIV 0.2µsec/DIV
9
U600
ql
(R_OUT)
2V/DIV 20µsec/DIV
2H
qj
U705
ya
(BLK)
1V/DIV 20µsec/DIV
H
qk
U705
yd
(POL2)
1V/DIV 20µsec/DIV
2H
ql
Q301
C
10V/DIV 2µsec/DIV
5µsec
1.0Vp-p
3.58MHz
0.4Vp-p
4.0Vp-p
3.2Vp-p
3.2Vp-p
28Vp-p
0
U600
wa
(G_OUT)
2V/DIV 20µsec/DIV
2H
4.0Vp-p
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