Yamaha CDX-E100 - Page 22

ABCDEFGH
1
2
3
4
5
6
CDX-E100
P. C. B. MAIN ( 1 ) (Lead Type Device)
FROM : MAIN (2)
FROM : MAIN (5)
DGND
SYSCON
DOUT
/ZFLG
/RESET
L
AGND
R
SGND
+5
VREF
PDF
PDE
A
C D
B
LD
PD
VF
ACF ACF
FEOF
CLOSE
OPEN
STAN
OPSW
CLSW
FLSW
DGND
VREF
TRV
TVD
ECM
ECS
TD
FDD
ACF VF /BLK CL +5 K1 KD1
ACF
GND
CE
D1
K2
KD
KD0
14
85
P. C. B. MAIN ( 1 ) (Surface Mount Device)
2
1
181
1936
201 4160
4061 2180
301
5180
50
81
31
100
Point w (Pin 10 of IC5)
V : 2V/div, H : 0.1µsec/div
DC, 1 : 1 probe
Point q (Pin 59 of IC4)
V : 2V/div, H : 50nsec/div
DC, 1 : 1 probe
0V
0V
■ PRINTED CIRCUIT BOARD (Foil side)
E-22/J-20