Sony XR-1790 Service Manual page 4

XR-1790
5-5. PRINTED WIRING BOARD – PANEL Section –
5-6. SCHEMATIC DIAGRAM – PANEL Section –
– 23 –
(Page 17)
• Semiconductor
Location
Ref. No.
D4
D900
D901
D902
D903
IC900
• Waveform
2 IC900 #™ (OSC)
(Page 22)
15 µ s
– 24 –
Location
B-9
C-10
C-7
C-6
C-8
B-9
2.2 Vp-p