Yamaha CRX-E500 - Page 39

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BCDEFGH I J KL
CDC-E500
SCHEMATIC DIAGRAM
39
★ All voltage are measured with a 10MΩ/V DC electric volt meter.
★ Components having special characteristics are marked s and must be
replaced with parts having specifications equal to those originally
installed.
★ Schematic diagram is subject to change without notice.
x: NOT USED
O: USED / APPLICABLE
Point 3 Pin 7 of IC6
and Pin 6 of IC6
POWER ON
(Connect the power cord)
POWER OFF
(Disconnect the power cord)
Pin 7 of
IC6
Pin 6 of
IC6
Point 2 Pin 59 of IC202Point 1 Pin 13 of IC201
6
5
8
7
5
6
8
7
1
2
3
4
1
4
3
2
PICK UP
CD MECHA. UNIT
LD DRIVE
ACT. MOTOR DRIVE
HEAD AMP.
DISPLAY DRIVE
KEY MATRIX
DISPLAY
SPC WITH DAC
LPF
SYSTEM
CONTROL
EEP ROM
MUTE CONTROL
MUTING
POWER SUPPLY
RESET
0
0
-9.9
0
0
-9.9
0
00
0
-9.9
-9.9
0
5.0
2.6
5.0
10.5
5.1
5.1
5.1
5.8
10.5
0
-9.9
-9.9
-0.2
8.3 -0.2
8.3
5.1
5.1 5.1 1.2
8.3
0.2
0
-27.4
-26.7
-21.1
-31.0 -31.0-26.7
0
-0.2
-0.2
5.1
6.3
0
6.3
5.0
10.5
-9.9
0
5.1
5.1
5.1
5.1
5.1
3
B
A
AC 9.3
AC 15.2
AC 22.4
AC 24.7
1.9
4.5
3.9
0.2
3.9 5.0 2.5
2.2
2.5
4.5
2.6
0
2.5
3.8
0
3.8
0
00
0 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.6 2.6
2.6 2.6
4.2
2.6
2.5
2.6
5.8
0
5.0
0
5.8
2.4
3.0
2.7
2.7
2.6
2.0
0
0
5.8
5.8
2.6
2.7
2.7
0
2.6
2.5
5.0
5.0 0.6
0
10.5
0.6 5.70 5.7 5.0
5.0 5.0 0.6
0
10.5
0.6 6.30 6.3 5.0
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
-26.1
~
~
-20.9 -20.9
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
-26.1
~ ~ ~ ~ ~ ~ ~ ~
-20.9
-20.9
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
~ ~ ~ ~ ~ ~
-26.0
~ ~ ~
~ ~ ~ ~ ~ ~ ~ ~ ~ ~
-26.0
~ ~
~
3.8 5.0 0.1 5.0
5.1 2.5 2.5
0 0
-26.7
~ ~ ~ ~ ~
2.5 2.5 2.5 2.4
0
5.0
5.0
2.5
2.5
0
0
0
5.0
5.0
5.0
0
5.0
5.0
5.0
5.0
2.5
5.0
0
0
0
0
0
0
5.0
2.1
2.6
2.6
1.4
2.6
5.0
5.0
5.0
5.0
5.0
2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 0
2.5
2.5
2.5 2.5
2.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8.0
-9.5
-9.5
8.0
5.0
0.1
0
0
5.0 5.0 5.0
0 0
0.1
3.9
0
5.0
0
0
0
5.0
5.0
5.0
~~
~
~
~
~
~
5.1
~
0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
0
5.0 3.9
0
0
5.0
0
0
0
5.0
5.0
0
5.0
2.5
0
2.5
0
0
5.0
5.0
2.5
5.0
5.0
5.0
5.0
5.1
0
5.0 5.0
5.0
~
~
~
5.0
5.0
5.0
0
5.0
0
5.0 5.0
0
0
5.0
1
2