Yamaha CDX496, CDX396 Schematics

Page 1
N D I P
N D I P
BLOCK DIAGRAM
17
CDX-396/496
Page 2
N D I P
N D I P
2
PRINTED CIRCUIT BOARD
(Foil side)
MAIN P.C.B.(1)
OPTICAL PICK-UP
KSM-213CCM
SPDL+
SPDL-
FEED+
FEED-
GND
To : MAIN (3)
3
W210
AC
GNDACF1
#1
F2
TRK-
FCS+VRGNDCAEVC
FCS-
TRK+PDLDFBDVCC
1528
FL SW
#2
IC2
141
4
36 19
LOADING+
LOADING-
OPEN
#3
GND
CLOSE
+5V GND K2 K0 G2 G4 G6 G8 P1 P3 P5 P7 P9 P11 F2
REM K3 K1 G1 G3 G5 G7 G9 P2 P4 P6 P8 P10 P12 F1
#301
To : MAIN (2)
• Semiconductor Location
IC1
118
5
DIGITAL
AUDIO OUT
OPTICAL
16 1
9
24 25
8
4
1
58
40
41
CDX-496 ONLY
80
1
65
IC300
41
40
64
6
21 20
1
LINE OUT
60
IC3
61
80
CDX-496 ONLY
1
4
7
W100
58
1
4
58
GND
L R
To : MAIN (5)
Ref. No. Location
D100 D101 D200 D201 D202 D203 D204 D205 D206 D207 D208 D209 D210 D211 D212 D213 D214 D215 D216 D250 Q1 Q3 Q4 Q100 Q101 Q102 Q103 Q201 Q202 Q203 Q204 Q250 Q300 Q301 IC1 IC2 IC3 IC101 IC105 IC300 IC301
F6 F7 D3 D4 C4 D2 D3 D3 D3 D3 D3 D3 C3 C3 C3 D3 D3 C3 C3 D4 E3 F4 F3 C6 C7 C6 C7 D3 C4 C4 D3 D3 F5 G3 E4 F3 E5 D6 G6 G4 F5
18
Page 3
ABCDE FGHI J
YE OR
BL
BR RE
OR
BE
WH
BR RE YE BL
MAIN P.C.B.(6)
MAIN P.C.B.(3)
F2 F1 AC GND AC
F2 F1 AC GND AC
BE
WH
R MODEL ONLY
CDX-496 ONLY
CDX-496 ONLY
CDX-496 ONLY
CDX-496 ONLY
CDX-396 ONLY
CDX-396 ONLY
AC IN
MAIN P.C.B.(3)
MAIN P.C.B.(5)
MAIN P.C.B.(4)
MAIN P.C.B.(2)
AC IN
(EXCEPT R MODEL)
W200
WH BE
POWER
PHONES
L R
GND
W100
To : MAIN (1)
J17 J18
SW418 SW417 SW415 SW315 SW406
+-
OUTPUT LEVEL
(STOP) (PLAY)
STOP/SEARCH
OPEN/CLOSE
F1
P12
P10P8P6P4P2G9G7G5G3G1K1K3REM
F2
P11P9P7P5P3P1G8G6G4G2K0K2GND
+5
To : MAIN (1)
To : MAIN (1)
SKIP/
SEARCH
98
35 32 21 12 4 1
+1012+10/31/42/53/64/75/86/97/10
Ref. No. Location
D300 D301 D302 D303 D304 U300
F2 E3 E3 F3 D3 H2
• Semiconductor Location
To : MAIN (1)
110V
120V
220V
240V
N D I P
N D I P
1
PRINTED CIRCUIT BOARD
(Foil side)
2
3
4
5
6
7
20
Page 4
ABCDEFGH I
N D I P
N D I P
SCHEMATIC DIAGRAM
J
LINE AMP & LPF
1
6
7
0
0
0
5
4
-5.7
2.5
2.5
2.5
2.50.1
3.8 0
4.5
3.8
1.8
2.2
2.4
2.4
2.5
2.4
2.4
2.5
2.8
1.9
0
2.8
1.8
2
2.8
2.4
3
2.4
2.5
2.5
5.5
2.5
2.5
2.2
2.8
2.3
0
2.5
2.5
5.5
2.4
0
5.5
0
2.4
2.4
5.5
2.6
2.5
3.3
0
PU DRIVER
4
5
PIN CONNECTION DIAGRAM OF
2.4
4.9
2.4
0
2.9
3.0
2.4
2.4
0
0
3.0
0.1
0
DIGITAL SERVO HEAD AMP
0
4.9
4.8
0
2.4
2.3
2.3
2.4
2.4
002.4
0
2.5
1.3
A
2.4 0
2.4
2.4
2.4
1.9
1.3
1.9
2.4
2.5
1.8
4.9
4.9
0
0 0
0
2.3
2.4
4.9
0
0
2.4
2.4
2.4
0
2.3
0
SPC & DAC
B
2.5
2.5
2.5
2.5
5.1
4.9
2.5
2.4
4.9
4.8
EEPROM
CDX—496 ONLY
4.9
0 00
4.9
0 0
4.8
0
4.8
2.5
4.9
4.9
0 0
0 0
0
4.9
0 0 0 0
2.3
4.8 000
SYSTEM
4.9
2.1
4.9
0
000
C
CONTROL
~~~~~
-12
~~~
~
-18.1
-21.4
2.4
5.6
8
3
0
1
2
0
4.8
4.8 0
~
4.8 0 0 0 0
4.9 0
4.9
2.4
0
4.9
0
0
0
0
POWER SUPPLY
5.5
0
0
4.9 0
4.8
0
0 0
4.9
0
4.9
4.9 0
~
4.8
4.8
4.9
~ ~ ~ ~ ~ ~ ~
-3.2
~
~
~
4.9
4.3
4.3
3.8
POWER SUPPLY
E
4.9
0
10.1
6.1
0
MUTE CONTROL
5.0
5.0
4.3
0
-5.0
10.2
-5.0
6.9
10.1
0
-11.5
-11.5
D
-11.5
-11.5
-5.7
00
1.2
5.6
-5.7
0
10
9.4
9.4
10
10 10
1.3
-0.210.2
-0.2
10.2
-0.2
-0.2
10.2
-0.2
-0.2
-0.2
-0.2
TRANSISTORS, DIODES AND ICS.
2SA933S(Q,R) 2SC1740S(R,S)
NJM2068D
S-24C01ADP
POWER SUPPLY
-25.6
-22.1
-25.6
-19.0
-20.3
B
C
E
2SB544(E,F,G) 2SC2878(A,B)
M5290P
8
4
1
9
-21.3
-16.9
-21.3
-22.1
-11.5
8
0
3
5.6
1
2
0
0
6
0
7
5
0
-5.7
0
4
AC18.0
AC GND AC F1 F2
AC3.5
MUTING
0
0
0
0
10.0
0
-10.9
-11.5
0
-5.0
-5.0 0
0
-5.0
-5.0
0
HEADPHONE AMP
9.3
8
0
9.0
3
1
2
0
0
6
7
5
0
-10.5
0
4
DIGITAL AUDIO OUT OPTICAL
<U,C,A,G> (CDX—396)
LINE OUT
CDX—496 ONLY
PHONES
(CDX—496)
1
15
1
19
1
40 25
65 80
8
14
CDX—496
18
(X = Not used.)
S2 C220—222 FI32410 VS74170 VS74170
~
4160
40
CDX—396 ONLY
~ ~ ~
~
21
24
1
~ ~ ~ ~ ~
-16.8
-16.8
CDX—396
~~~
~~~~~~~~~
~
~~~~~~~
-18.1
-16.8
-16.8
S2 C220—222 VY67500 VS74170 VS74170 VS74170
(X = Not used.)
REMOTE
* All voltages are measured with a 10M /DC electric volt meter. * Components having special characteristics are marked and
CDX—496 ONLY
SENSOR
E
C
6
B
2SB1565(E,F) 2SD2394(E,F)
IT2 HSS104
Cathade
E
C
B
Anode
16
AN8285SB
28
AN8882SB
36
MN35511PIC-28043TH2
61
7
1
2
3
BA15218
8
1
4
80
120
uPD78043FGF-072
41
64
must be replaced with parts having specifications equal to those originally installed.
* Schematic diagram is subject to change without notice.
24
Loading...