Philips DVD Micro Theater MCD988, Руководство по обслуживанию, Страница: 20 / 36

9 - 1 9 - 1
CIRCUIT DIAGRAM - CPU & TUENR BOARD
D903
4148
D
V
D
12
V
1 2 3 4
CN901
5P/2.5
M
U
TE
1
TUN-L
TUN-R
Q901
8550
R903
1.5K R902
22K
Q902
BC847B
R901
47/0.25W
TU
N
-O
N
R917
47
M-R
M-L
C
90
6
2.
2u
f/5
0v
4X
5
C933
2.2uf/50v4X5
C
93
1
2.2
uf/
50
v4
X
5
C
90
3
2.2
uf/
50
v4
X
5
C
90
9
10
4M
C
90
5
10
4M
C
92
5
4.7
uf/
50
v4
X
5
C
92
4
4.7
uf/
50
v4
X
5
C
92
9
10
4M
C
92
8
10
4M
C
92
7
10
4M
C912
2.2uf/50v4X5
R920
8.2K
R919
8.2K
R921
2.2K
R922
2.2K
C
91
3
27
2M
C
91
4
27
2M
C
90
7
2.
2u
f/5
0v
4X
5
C911
2.2uf/50v4X5
D904
4148
R907
22K
R908
22K
R906
2.2K
R905
2.2K
V
D
D
1
A
G
N
D
2
TR
EB
_L
3
TR
EB
_R
4
R
IN
5
R
O
U
T
6
LO
U
D
_R
7
R
IN
4
8
R
IN
3
9
R
IN
2
10
R
IN
1
11
LO
U
D
_L
12
L
IN
4
13
L
IN
3
14
L
IN
2
15
L
IN
1
16
L
IN
17
L
O
U
T
18
B
IN
_L
19
B
O
U
T_
L
20
B
IN
_R
21
B
O
U
T_
R
22
O
U
T_
R
23
O
U
T_
L
24
D
G
N
D
25
D
A
TA
26
C
LK
27
R
EF
28
IC901
PT2314
R904
10K
R
L
C
90
8
2.
2u
f/5
0v
4X
5
C
90
4
2.2
uf/
50
v4
X
5
A
U
X
1-L
A
U
X
1-R
C916
104p
C915
100uf/16v5X8
C926
104M
R910
10k R909
10K
R913
47K R912
47K
TUN.VCC
C901
680p
C902
680p
Q903
9014
Q904
9014
R923
1M
R924
820
R928
820
R925
1M
R926
2.2k R927
2.2k
C921
100p
C922
100p
C919
1uf/50v4X5
C920
1uf/50v
C918
220uf/16v8X5
C917
104p
+1
2V
1
2
3
4
CN904
4P/2.0
AUX1-L
AUX1-R
C
91
0
2.
2u
f/5
0v
4X
5
R915
10k
A
U
X
2-R
C932
2.2uf/50v4X5
R911
10K
R914
47K
A
U
X
2-L
R916
47K
C
93
0
2.2
uf/
50
v4
X
5
C
92
3
2.
2u
f/5
0v
4X
5
L
-O
U
T
MUTE
ST
A
N
D
B
Y
+1
2V
A
G
N
D
D
V
D
G
N
D
D
V
D
12
V
C941
47uf/16v
C940
47uf/16v
C938
3.3uf/50v
C939
3.3uf/50v
R934
1K
R936
1K
C934
470uf/10v
C935
470uf/10v
R929
101/4W
R930
101/4W
C936
220uf/16v
R933
100
1 2 3 4 5 6 7
CN905
7p/2.0
LO
-1
R
O
-1
OUT1
1
MUTE
2
IN1
3
GND
4
IN2
5
BIAS
6
OUT2
7
Vdd
8
IC903 PT2309
Q906
9014
R935
4.7K
C937
104P
R931 100K
DZ901
5.6V
R932 100k
A
U
X
2-
R
A
U
X
2-
L
L-O
U
T
R
-O
U
T
+1
2V
D
V
D
M
U
TE
H
-M
U
TE
M
U
TE
2
D905
4148
1 2 3 4 5 6 7
CN1402
7P/2.0
1 2 3 4
CN1403
4P/2.0
D
M
1
D
P1
U
5V
1
G
N
D
1
vb
us
5
D
-
2
D
+
3
G
N
D
4
G
N
D
1
Jack1406
USB HOST
JACK1004C
立体声 耳插
Jack1404A
立体声 耳插
JACK1004B
立体声 耳插
3 2 1
Jack1405
SP-2JCK
A
U
X
2-L
-1
A
U
X
2-R
-1
A
G
N
D
-1
H
P-L
1
H
P-R
2
H
P-M
U
TE
1
A
G
N
D
-1
R1001
10K
R1002
10K
3
2
1
Jack901
SP-2JCK
SDA
SCL
L-O
U
T
R
-O
U
T
+1
2V
RIPPLE
1
AM-RF
2
FM-GND
3
RF-GND1
4
FM-OSC
5
AM-OSC
6
Vcc1
7
TUNE
8
VCO
9
AF-OUT
10
MPX-IN
11
LP
F
12
M
U
TE
13
LE
FT
14
R
IG
H
T
15
PI
LF
IL
16
IF
-G
N
D
17
FM
D
EM
18
A
FC
-
19
A
FC
+
20
FS
I
21
V
C
C
2
22
VDD
23
MO/ST
24
XTAL
25
DGND
26
CLOCK
27
P1
31
P0
30
WRITE-EN
29
DATA
28
FM-IF2-IN
33
AM-AFC
32 FM
-I
F1
-I
N
37
A
M
-I
F2
36
FM
-I
F2
35
V
ST
A
B
B
34
V
ST
A
B
A
38
A
M
/F
M
39
A
M
-M
IX
O
U
T
40
A
M
-I
F1
-I
N
41
R
F-
G
N
D
2
42
N
C
43
A
G
C
44
IC904
TEA5762
C954
104
C960
100uf/16V
VCC1
R953
56K
RV901
100K
C972
224
C976
474
C977
474
R961
2K2
C978
1uF/50V
C980
2.2uF/50V
C981
15pF
C982
470n
C957
104
VCC2
VDD
X901
75K
R954
150K C964
102
C965
12P
R959 470
R958 470
R957
22K
C969
222 C967
221 C968
221
P0
P1
C966
221
R960
470
R947
120
R946
120
C984
223
VCC1
C974
224
C975
224
R950
330
D
Z9
02
B
ZX
38
4
R969
22
C973
224
R967
4.7K
R968
47K
Q911
BC547C
Q910
BC857B
R965
68K
C985
22uF/25V
R966
10K
R964
150
C983
82pF
C979
1uF/50V
+FM
VDD
VCC2
AM/FM
R963
820 R962
820
C990
153
C989
153
1 3
2
CF901
10.7M 1 3
2
CF902
10.7M
R945
120
R944
120
R948
330
C952
104
C951
10uF/16V
1
2
3 4
6
T901
6295
ANT
1
G
N
D
2
G
N
D
3
G
N
D
4
V
T
5
B
+
6
IF-OUT
7
OSC-OUT
8
G
N
D
9
G
N
D
10
FM FRONTEND
TUNE1
KST-F404
R949
330
R951
2.2K
R952
000
C963
105
C953
104
C959
100uF/16V
+FM
MPX
ST/NO
TUN.VCC
TU
N
-R
TU
N
-L
RDS ONLY
22n-USA 22n-USA
DISCRIMINATOR
BIRDY FILTER
7.8V
11V
8.2V
8.9V 8.2V
AM/FM
C955
104
C956
331
Q909
9014
Q912
9014
R971
4.7K
R972
4.7K
R955
1M
R970
100
R974
390 R973
390
C991
100uF/16V
C992
224
C993
224
R956
1M
TUN.VCC
FM
Sig
na
l
1 3
2
CF904
10.7M
L901
-3
0V
V
F2
V
F1
1 2 3 4 5 6
CN906
6P/2.0
+1
2V
A
5V
PLLCE
PLLDATA
PLLCLK
D906
4148
H
-M
U
TE
R975
220
X904
4.19MHz
C9001
30P
C999
30P
X902
32.768KHz
C9014
15P
C9013
15P
C
99
8
47
uf
/1
6v
R9004
22K
D
91
2
41
48
C
99
6
10
uf
/5
0v
SC
L
SD
A
M
U
TE
1
ST
A
N
D
B
Y
M-DOWN
36
M-UP
35
LED
34
DVD-STB
17
DVD-CLK
16
M
U
TE
30
PLL-DA
21
SU
R
-M
U
TE
29
RDS-SDA
19
EO
C
-P
O
W
ER
27
SD
A
26
SC
L
25
TU
N
-O
N
24
PL
L-
C
E
23
PLL-CL
22
TE
ST
9
V
ss
6
X
T-
O
U
T
7
X
T-
IN
8
M
-C
LO
SE
32
DVD-DI
15
DVD-DO
14
DVD-ON
13
RESET
12
X
-O
U
T
11
X
-I
N
10
RDS-Q
20
RDS-SCL
18
M
-O
PE
N
33
V
dd
5
C
LO
SE
-S
W
4
D
V
D
-T
M
S
3
O
PE
N
-S
W
1
ROT-A
41
K
EY
2
ROT-B
42
REMTOE
40
DS-CLK
39
DS-DAT
38
DS-STB1
37
ST
A
N
D
B
Y
31
ST
/T
U
N
ED
28
M+
43
M-
44
IC907
2SC9228
TU
N
-O
N
A0
1
A1
2
A2
3
GND
4
SDA
5
SCL
6
TEST
7
Vdd
8
IC906
24C01
1 2 3 4 5 6 7 8 9
CN902
8P/2.0
D911
IN60
REM
R995
68K
R994
4.7K
DS-STB
DS-DAT
DS-CLK
REM
A5V
D
-G
N
D
D
V
D
IR
D
V
D
ST
B
D
V
D
C
LK
D
V
D
D
A
TA
PL
LC
E
PL
LD
A
TA
PL
LC
LK
L9
02
10
0U
H
R978
3.3K
D
V
D
O
N
D
V
D
-T
M
S
p_stauts_0
ST
/N
O
A
5V
R991
1M
R918
10K
R992 10K
p_stauts_1
p_stauts_2
R989
100
p_dvs
R988 100 p_usbdir
R987 100
R986 100
R985 100
R984 100
C9012
100p
C
90
09
10
0p
C
90
08
10
0p
C
90
07
10
0p
C
90
11
10
0p
R983 100
R982 100
C
90
06
10
0p
C
90
05
10
0p
R990
4.7K
R981
100
R980 100
R979 100
C9004
100p
C9003
100p
C9002
100p
D
V
D
O
N
p_
us
bd
ir
p_motor_R
p_motor_L
p_
dv
s
A5V
C9015
104P
SD
A
SC
L
1 2 3 4 5 6 7 8 9 10
CN903
11P/2.0
D
S-S
TB
D
S-C
LK
D
S-D
A
T
D
-G
N
D
p_
sta
uts
_0
p_
sta
uts
_1
p_
sta
uts
_2
p_
m
oto
r_
R
p_
m
oto
r_
L
R
-O
U
T
OSCI
1
OSCO
2
INT
3
GND
4
SDA
5
SCL
6
CLK
7
Vdd
8
IC905
PCF8563
L903
2.2KU
1 2
CN908
2P/2.0
1 2
CN907
2P/2.0
JACK902
IF-02P
L905
100uH
R9012
0
R9011
0
R9015
0
p_touch_data
p_touch_clk
R
EM
R9019
33K
Q913
BC857C
C9017
33pF
R9017
22K
R9018
1K
C970
222
VCC1
RDS ONLY
BUFFER AMPLIFIER
OUT2
O
U
T2
R9013
0
A
5V
FM
IN
T
D
V
D
G
N
D
D
-G
N
D
DVD-IR
D
V
D
ST
B
D
V
D
C
LK
D
V
D
D
A
TA
D
V
D
-T
M
S
9
10 11
12
5
6 7
8
4 3
2 1
13
14
JACK903
SW-13-102
M-R
M-L
DVD MUTE
H
-M
U
TE
A
U
X
2-R
A
U
X
2-L
p_
dv
s
SD
A
SC
L
D
V
D
12
V
D
V
D
G
N
D
ST
A
N
D
B
Y
+1
2V
D
V
D
G
N
D
D
V
D
12
V
A
5V
L
-O
U
T
A
G
N
D
R
-O
U
T
备注：误差要求 电阻±10％
电容±20％，特殊元件的误差标注在位号旁。
所有元件按绿色环保管理规定的供应商环保材料清单
1
2
10
9
7
6
3
4
5
T902
BZ1
L906
200UH
Q914
8050
Q915
8050
R9024
1K
R9025
1K
R9026 0
C9019
104
C9020
220U/35V
D908 FR104
V
F1
-1
V
F2
-2
-2
7
R9028
100
R9027
100
DZ903
3V
D907
4148
C9021
473M
STANDBY
A5V
R
90
29
*
0
+1
2v
R
90
31
0
R
90
30
0
V
F1
V
F2