6-4
6-4
CIRCUIT DIAGRAM - DISPLAY & KEY BOARD
1
2
3
4
5
6
8
7
A
B
C
D
8
7
6
5
4
3
2
1
D
C
B
A
X302
4.19MHz
C318
30p
C319
30P
X303
32.768KHz
C320
15p
C321
15p
C322
47uf/16v
C323
104p
R336
22K
D304
4148
C324
4.7uf/50v
DS-STB2
36
DS-STB3
35
A
34
DVD-STB
17
DVD-CLK
16
MUTE
30
PLL-DA
21
SU
R-MU
TE
29
RDS-SDA
19
PO
W
E
R-O
N
27
SD
A
26
SCL
25
TUN-ON
24
PLL-CE
23
PLL-CL
22
TEST
9
Vss
6
XT-
O
UT
7
XT-
IN
8
C/EQ-CLK
32
DVD-DI
15
DVD-DO
14
DVD-ON
13
RESET
12
X-
OUT
11
X
-IN
10
RDS-Q
20
RDS-SCL
18
B/EQ-
D
AT
33
Vdd
5
3834-
AD
4
KEY2
3
TREBLE/P-DET
1
ROT-A
41
BAS
S
/KEY1
2
ROT-B
42
REMTOE
40
DS-CLK
39
DS-DAT
38
DS-STB1
37
ST
ANDBY
31
STEREO
28
NC
43
FAN
44
IC302
2SC9228
REM
STB1
CLK
DATA
+5V
DVD-
D
ATA
DVD-
C
LK
DVD-
S
TB
DVD-
R
EM
D305
AN60
REM
R335
10K
R310
100
R307
100
R306
100
D301
AN60
C304
300p
C303
300p
C302
300p
U5V
L301 10uH
L303
10uH
CLOSE-SW
V-GND
OPEN-SW
M+
M-
CM+
CM-
DVD-
T
RI
N
AD1
Q303
8550
Q302
8550
Q301
8050
R328
10K
R331
10K
R329
1K
R332
1K
R330
1K
R333
1K
A0
1
A1
2
A2
3
GND
4
SDA
5
SCL
6
TEST
7
Vdd
8
IC304
24C01
SCL
SD
A
R317
4.7K
R318
68K
OUT
GND
IN
IC301
7805
C309
100uf/25v
C308
100uf/10v
C310
104p
C307
104p
+5V
R311
1A
CP
U+VCC
RE
M
+5V
-28V
VF
1
VF
2
SW
1
1
SW
2
2
SW
3
3
SW
4
4
DOUT
5
DI
N
6
IC
7
CLK
8
STB
9
KEY1
10
KEY2
11
KEY3
12
KEY4
13
Vdd
14
S1/KS1
15
S2/KS2
16
S3/KS3
17
S4/KS4
18
S5/KS5
19
S6/KS6
20
S7/KS7
21
S8/KS8
22
S9/KS9
23
S10/KS10
24
S11/KS11
25
S12/KS12
26
S1
3
27
S1
4
28
S1
5
29
S1
6
30
S
17/G12
31
S
18/G11
32
Vdd
33
VEE
34
S
19/G10
35
S
20/G9
36
G8
37
G7
38
G6
39
G5
40
G4
41
G3
42
G2
43
G1
44
Vdd
45
LED5
46
LED4(BBE)
47
LED3(POWER)
48
LED2(FANCT)
49
LED1(7507RST)
50
Vss
51
OSC
52
IC305
uPD16311
R337
47K
R341 33K
R342
33K
R343
33K
R344
33K
K4
K3
K2
K1
D303
4148
STB1
CLK
DATA
S1
S2
S3
S4
S5
S6
S7
S8
S9
KS1
+5V
S1
C330
104p
R305
.47/0.5
REM
1
GND
2
Vcc
3
S301
REMOTE
SW312
SO
URCE
S10
S11
S12
S1
3
S1
4
S1
5
S1
6
G12
G11
G10
G1
G2
G3
G4
G5
G6
G7
G8
G9
D302
4148
S3
KS3
R321 .47/0.5
SW309
OP/CL
SW310
STANDBY
SW307
ST
OP
R338 10K
R339 4.7K
R340 10K
R323 47
C315
47uf/16v
C314
104
R322
10
SW31
1
PL
AY
/P
A
U
SE
SW308
PROGRAM
G1
G2
G3
G4
G5
G6
G7
G8
G9
G10
G11
S1
S2
S3
S4
S5
S6
S7
S8
S9
S1
0
S1
1
S1
2
S1
3
S1
4
S1
5
S1
6
G12
SW306
SW305
VOLUME-
U5V
ST
ADBY
TUN-ON
MUTE
DVD-
ON
SD
A
SCL
1
2
CN304
2P/2.0
AD1
1
2
CN101
2P/2.0
AD1
SW104
SW101
TU+
SW103
PRESET-
SW102
TU-
R101
22K
R102
10K
R103
4.7K
R104
100
+5v
R334 10K
LED302
E
LED301
E
LED304
E
LED303
E
LED306
E
LED305
E
Q305
8050
R346
1K
C331
100uf/16v
R345
4.7K
D306 4148
+12V
R352
680
R351
680
R350
680
R349
680
R348
680
R347
680
VF
1
1
VF
1
2
G1
3
G6
4
G5
5
G4
6
G3
7
G2
8
G12
9
G7
10
G8
11
G9
12
G10
13
G11
14
S1
15
S2
16
S3
17
S4
18
S5
19
S6
20
S7
21
S8
22
S9
23
S1
0
24
S1
1
25
S1
2
26
S1
3
27
S1
4
28
S1
5
29
S1
6
30
VF
2
31
VF
2
32
VFD301
MCD288VFD
R308
2.2K
R309
2.2K
C305
470p
C306
470p
ECO P
OWER
R320
100
R319
100
R324
15 0.5W
DZ301
3.3V
-28V
VF
1
VF
2
C335
47uf/16v
C311
47uf/16v
C312
3.3uf/50v
C336
3.3uf/50v
R357
1K
R359
1K
C333
470uf/10v
C334
470uf/10v
R355
101/4W
R316 101/4W
C332
220uf/16v
R356
100
1
2
3
4
5
6
7
CN308
0
MUTE
+12V
AGND-
1
H-
MUTE
HP
-L
HP
-R
LO-1
RO-1
OUT1
1
MUTE
2
IN1
3
GND
4
IN2
5
BIAS
6
OUT2
7
Vdd
8
IC306
PT2399
Q306
9014
R326
4.7K
C337
104P
R327 100K
DZ302
5.6V
R301
100k
1
2
3
4
5
6
7
CN102
4P/2.0
Q304
8050
1
2
3
4
5
CN303
5P/1.0
D307
4148
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
CN305
14P/1.25
GND2
DM
DP
US
5V
SD
3V
GND1
SEN
S
E
SD
_D
3
SD
_D
1
SD
_D
2
SD
_B
S
SD
_CLK
SD
_D
0
MUTE
H-
MUTE
AGND
+12V
HP
-R
HP
-L
AUX-
L
AUX-
R
AGND
1
2
3
4
5
6
7
8
9
10
11
12
13
CN302
0
ST
ADBY
TUN-ON
DVD-
ON
SD
A
SCL
CP
U+VCC
VF
1
VF
2
-28V
V-
GND
ECO P
OWER
DVD-
R
EM
DVD-
C
LK
DVD-
S
TB
DVD-
D
ATA
V-
GND
DVD-
T
RI
N
R361
0
R362 0
R363
0
R364
0
Q307
8050
R367
100
R366
1k
D308
4148
R365
4.7k
C338
47uf/16v
1
2
3
4
5
6
7
8
9
10
11
12
13
CN103
13P/2.0
GND2
DM1
DP
1
U5V1
SD
3V
1
GND1
SENSE1
S
D_D31
S
D_D1-
1
S
D_D21
SD
_B
S1
SD
_CLK
1
S
D_D01
vbus
5
D-
2
D+
3
GND
4
GND
1
J106
USB HOST
SEN
S
E
10
GND
11
SD
-D
2
1
SD
-D
3
2
SD
-B
S
3
GND
4
SD
3V
5
SD
-CLK
6
GND
7
SD
-D
0
8
SD
-D
1
9
NC
12
NC
12
NC
12
NC
12
J107
SD
J104C
`¢
ø¶œ†
J104A
`¢
ø¶œ†
J104B
`¢
ø¶œ†
3
2
1
J105
SP-2JCK
LED307
STADBY
R370
1K
USB LED
SD LED
LED101
SD LED
LED102
USB LED
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
CN306
22P/1.25
WP
WP
SD MMC
SD MMC
1
2
3
CN307
3P/2.0
1
2
3
CN105
3P/2.0
R302
1K
R303
0
R304
0
AGND
AUX-R
AUX-L
RDS
V-
GND
M-
VCC
1
2
3
4
5
6
7
8
IC309
SA6208
M-
M+
OUT
GND
IN
IC303
7805
R353
1A
C341
100UF/25V
C343
100UF/16V
C342
104p
M-VCC
R377
0
C344
10uf/50v
C345
10uf/50v
C301
10uf/50v
C313
10uf/50v
GND2
DM
DP
US
5V
SD
3V
GND1
SEN
S
E
SD
_D
3
SD
_D
1
SD
_D
2
SD
_B
S
SD
_CLK
SD
_D
0
AUX L
AUX R
AGND-
1
HP
-L
1
HP
-R
2
HP-MUTE1
AGND-1
R105
10K
R106
10K
CO
M
LED1 LED2
R383 10K
U5V
R682 10K
R381 10K
R380 10K
R385
100
R386
100
R395
100
R387
100
R389
100
R390
100
R391
100
R394
100
R392
100
R393
100
R382
100
R384
100
Summary of Contents for MCD288
Page 18: ...4 1 SET BLOCK DIAGRAM 4 1 ...
Page 19: ...5 1 SET BLOCK DIAGRAM 5 1 ...
Page 21: ...6 2 6 2 LAYOUT DIAGRAM DISPLAY BOARD TOP VIEW ...
Page 22: ...LAYOUT DIAGRAM DISPLAY BOARD BOTTOM VIEW 6 3 6 3 ...
Page 27: ...8 2 8 2 LAYOUT DIAGRAM POWER BOARD ...