Schematic Diagram - Main Board (1/4) - Sony STR-DE235 Service Manual

STR-DE235
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4-7. SCHEMATIC DIAGRAM – MAIN Board (1/4) – •
3 7 6 3 1 5 1 5 0
(Page 32)
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L 1 3 9 4 2 2 9 6 5 1 3
w w w
See page 34 for IC Block Diagram.
(Page 24)
x a o
y
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– 19 –
http://www.xiaoyu163.com
8
(Page 21)
3 IC301 $º (LC-INE)
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3 7 6 3
4 IC301 $¡ (CR-OT)
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http://www.xiaoyu163.com
2 4
9 9 8
• Waveforms
– MAIN Board – – DISPLAY Board –
1 IC1 !£ (OSCI) 1 IC201 #∞ (X2)
2.7 Vp-p
4.332 MHz
2 IC300 $• (OSC1) (Change DOLBY Mode)
0.4 Vp-p
32.5 µ s
1 5 1 5 0 8 9 2 4
3.1 Vp-p
125 ns
1.2 Vp-p
122 ns
m
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– 20 –
2
9 9
5.4 Vp-p
4.19 MHz
9 8 2 9 9