Yamaha CD-C600 - SCHEMATIC DIAGRAMS: Operation (1-4); Operation (1) Schematic; Operation (2) Schematic; Operation (3) Schematic

★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★ Components having special characteristics are marked
⚠
and must be replaced
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
A
1
2
3
4
5
6
7
8
9
10
BCDEFGH I JK
L MN
49
OPERATION 1/4
CD-C600
W701
CB702
W702A
CB705
W702B
CB703
IC701
W703
CB704
0
3.3
-26.2
-26.1
3.3
-26.2
-26.1
-21.2
-26.2 -26.2 -26.2 -26.1
0
3.4
0
3.4
0 0
-21.2
3.2 3.2 2.1
3.3
3.3
3.3
-27.6
-21.2
-21.2
-27.7
3.2
0
0
0
0
0
3.2
3.3
3.3
3.3
3.3
3.3
3.3
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.3
3.4
0
3.4
0
00
0
3.3
0
0
3.4
3.4
3.3
3.3
0
1.9
3.4
3.3
0
3.4
3.4
3.3
3.3
0
3.4
3.4
1.6
3.4
1.6
3.4
1.6
3.3
1
3
2
5
4
GND
AB Y
V
CC
IC701: TC7SH08F
2-input AND gate
IN A
IN B
OUT Y
LL L
LH L
HL L
HH H
Key detection for A/D port
Key input (A/D) pull-up resistance 10 k-ohms
Ohm 0 + 820 + 3.3 k + 12.0 k
V 0 0.2 – 0.3 0.9 – 1.0 2.0 – 2.1
A/D value (3.3V=255) 0 15 – 25 70 – 78 153 – 162
KEY0 (58 pin) – PLAY X CHANGE STOP SKIP +/SEARCH +
KEY1 (59 pin) – SKIP -/SEARCH - PURE DIRECT DISC 5
Ohm 0
V0
A/D value (3.3V=255) 0
KEY_O/C (54 pin) OPEN/CLOSE
KEY_USB (55 pin) CD/USB
KEY_PLAY (56 pin) PLAY/PAUSE
Ohm 0 + 100 + 3.3 k + 6.8 k + 22.0 k
V 0 0.03 – 0.1 0.8 – 0.9 1.65 – 1.75 2.45 – 2.55
A/D value (3.3V=255) 0 3 – 7 60 – 70 125 – 135 190 – 200
KEY2 (60 pin) – DISC 4 DISC 3 DISC 2 DISC 1
OPERATION (1)
OPERATION (4)
OPERATION (2)
OPERATION (3)
iPod/USB
DISC
2341
DISC
5
PURE
DIRECT
PLAY
CHANGE
CD/USB
POWER
indicator
PURE DIRECT
indicator
iPod/USB
indicator
to OPERATION (11)_CB809
Page 52
L8
to MAIN_CB6
Page 47
M3
to MAIN_CB304
Page 48
F2