Printed Wiring Boards - Panel/Cd Loading Section - Sony HCD-CP1 Service Manual

HCD-CP1
6-10. PRINTED WIRING BOARDS – PANEL/CD LOADING Section –
• See page 22 for Circuit Boards Location.
(Page 23)
(Page 24)
LOADING BOARD
M901
DISC TRAY
OPEN/CLOSE
M
05
(Page 23)
CN900
1
S901 S902
DISC TRAY DISC TRAY
CLOSE DET OPEN DET
5
1-640-523-
– 33 –
• Waveforms
– MAIN Board –
1 Q357, 358 collector (REC mode)
11.6 µ s
2 Q360 collector (REC mode)
11.6 µ s
3 IC804 !£ (XI)
4.332 MHz
G
(Page 24)
11
4 IC804 !§ (RCLK)
13.6 Vp-p
840 µ s
5 IC801 (£ (TEX)
0.5 Vp-p
32.768 kHz
6 IC801 $º (XTAL1)
2.9 Vp-p
4.19 MHz
– 34 –
4.4 Vp-p
2.4 Vp-p
5.2 Vp-p