Printed Circuit Board - Yamaha CDX-E200 Service Manual

A B
CDX-E200
PRINTED CIRCUIT BOARD (Foil side)
1
Semiconductor Location
Ref. No. Location
D1 B4
D2 B4
D3 B4
D4 B4
D5 B4
D6 B5
D7 B5
D8 B5
D9 B5
D10 C4
D11 C3
D12 C3
D13 C3
D14 B5
D101 F2
D102 F2
2
D103 F2
D104 F2
D105 E3
Ref. No. Location
IC1 C3
IC3 C5
IC4 B4
IC101 F5
IC102 F4
IC103 F2
IC104 F3
IC105 E5
Ref. No. Location
Q1 C4
3
Q2 C3
Q3 C5
Q4 C5
Q5 C5
Q6 C6
Q7 B4
Q8 B5
Q9 C4
Q10 C3
Q101 F4
4
FL2
FL1
AC
GND
AC
4 B
5
SYSTEM
CONNECTOR
E-20/J-18
6
C
MAIN ( 1 ) P. C. B.
VP
FL2
FL1
FEOF
OP/CL
/STAN
OPSW
CLSW
L+
L– FLSW
OSW D GND
GND VREF
CSW TRV
TVD
ECM
FCS
TD
FDO
SP+
SP–
F+
F–
FLSW
GND
4 A
D GND
SYSCON
+5D
D OUT
/ZFLG
/RESET
S GND
+5A
VREF
1 8
PDF
PDE
A
C
D
16 9 B
LD
PD
L
A GND
R
–5A
OP GND
+5A
DIGITAL ANALOG
OUT OUT
(OPTICAL)
D E
MAIN ( 2 ) P. C. B.
FROM : MAIN (3)
VP
FL2
FL1
FEOF
OP/CL
/STAN
OPSW
CLSW
FLSW
D GND
VREF
TRV
TVD
ECM
FCS
TD
FDO
D GND
SYSCON
+5D
D OUT
/ZFLG
/RESET
S GND
+5A
VREF
PDF
PDE
A
C
D
B
LD
PD
L
A GND
R
–5A
OP GND
+5A
1 4
8 5
W9
TO : MAIN (1)
BE
E-21/J-19
F G
Point q (Pin 59 of IC102)
V : 2V/div, H : 50nsec/div
DC, 1 : 1 probe
0V
Point w (Pin 10 of IC103)
80 51 V : 2V/div, H : 0.2µsec/div
81 50
DC, 1 : 1 probe
2
100 31
1 30
0V
5 8
4 1
1
Point r-A (/RESET : Pin 8 of IC4)
Point r-B (VCC : Pin 16 of IC4)
V : 2V/div (/RESET), V : 5V/div (VCC)
DC, 1 : 1 probe, H : 5 sec/div
/RESET
VCC
H
AC CORD : ON AC CORD : OFF