Philips MCD135 Service Manual page 12

CIRCUIT DIAGARM - MAIN BOARD
AV I/F USB PART
R960 R960
R961 R961
10K 10K R962 R962
AL
C953 C953
1500pF 1500pF
AL
AL
AR
AR
R967 R967
R969 R969 R970 R970
AR 10K 10K
C958 C958
1500pF 1500pF
AU_12V
R976 R976 100 100
USB HOST Interface and Control Circuit.
USB_DM
USB_DP
U908 NC U908 NC
2
1
5 - 4
27K1% 27K1%
LCH
C950 C950 120pF 120pF
RCH
4.7K1% 4.7K1%
2
R963 R963 470 470
1 EC923 EC923 10uF16V 10uF16V
C951 C951 0.1uF 0.1uF REFA
3
U906A U906A
LM4558 LM4558 R965 R965
R966 R966
10K 10K A_MUTE
+12VA
C954 C954 0.1uF 0.1uF
+12VA
Audio Ampifier Circuit.
27K1% 27K1%
C956 C956 120pF 120pF
EC924 EC924
4.7K1% 4.7K1% 10uF16V 10uF16V
6
470 470
R971 R971
7
C957 C957 0.1uF 0.1uF REFA
5
U906B U906B
LM4558 LM4558
R973 R973
R974 R974
10K 10K A_MUTE
+12VA
Audio Ampifier Circuit.
+12VA
R977 R977 36K 36K
+12VA REFA
R978 R978 EC926 EC926
+ + + +
EC925 EC925 10K 10K
POWER Ciucuit of OP AMP
100uF25V 100uF25V 100uF16V 100uF16V
USB_DP
USB_DP
USB_DM
USB_DM R980 R980
M5V
VCC+5V
A_MUTE
MUTE
MUTE
1
2
3
AUDIO_MUTE R989 R989 4.7K 4.7K
4
C968 C968
MUTE R990 R990
XP906 XP906
0.1uF 0.1uF
USB/CONNECTOR USB/CONNECTOR
3
4
POP Noise Cancel Circuit For Power On and Power Off.
V_CVBS
V_CVBS
V_G/Y
DVD_L V_G/Y
V_B/U
DVD_R V_B/U
V_R/V
V_R/V
VIDEO I/F
LCH
470 470
Q912 Q912
2N3904 2N3904
SOT-23 SOT-23
V_G/Y
RCH
V_B/U
470 470
Q913 Q913
2N3904 2N3904
SOT-23 SOT-23
V_CVBS
Note:Only 470uF/6.3V use for India stroke.unless other use 0 OHM
470 470 A_MUTE
Q914 Q914
2N3906 2N3906
R984 R984
R985 R985
4.7K 4.7K
4.7K 4.7K
R987 R987 10K 10K
Q915 Q915
2N3906 2N3906
R988 R988
EC927 EC927 + +
A_MUTE
3.3K 3.3K
220uF16V 220uF16V
Q916 Q916
2N3904 2N3904
10K 10K SOT-23 SOT-23
R991 R991
AUDIO_MUTE
AUDIO_MUTE
22K 22K
5 - 4
D907 D907
BAV99 BAV99
DVD5V
L906 L906 0R/1.8uH 0R/1.8uH
V_R/V R/V_O
R964 R964 C952 C952
75R1% 75R1% 100pF 100pF
D908 D908
BAV99 BAV99
DVD5V
L907 L907
0R/1.8uH 0R/1.8uH
G/Y_O
R968 R968 C955 C955
75R1% 75R1%
100pF 100pF D909 D909
BAV99 BAV99
DVD5V
L908 L908 0R/1.8uH 0R/1.8uH
B/U_O
R972 R972 C959 C959
75R1% 75R1% 100pF 100pF
DVD5V
D910 D910
BAV99 BAV99
R975 R975 0 0
L909 L909
1uH 1uH
CVBS_O
EC958 EC958
C960 C960 470uF6.3V/NM 470uF6.3V/NM
R979 R979 100pF 100pF
75R1% 75R1%
Video Output Circuit.
XP905 XP905
LCH
1
RCH
2
CVBS_O
3
G/Y_O
4
B/U_O
5
R/V_O
6
7
C961 C961
8
C962 C962
9
100pF 100pF C963 C963
100pF 100pF
C965 C965
RCA/VIDEO/OUT RCA/VIDEO/OUT
100pF 100pF
FB982 FB982
L924 L924
L926 L926
100pF 100pF
DIP DIP
DIP DIP
RCH
FB/0805 FB/0805
LCH
PAD3 PAD3
C966 C966
1000pF 1000pF
B1-U1-U1.3
C967 C967
1000pF 1000pF