Philips MCD122 Service Manual page 22

Decoder Board -- Circuit Diagram -- Part4
STBY5V +5V
S/PDIF_OUT
Q11 Q11
AO3407 AO3407
R6 R6
10K 10K
R8 R8
1K 1K
R74 1K R74 1K
POWER_ON_OFF Q12 Q12
1
3904 3904
C91 C91
2.2uF 2.2uF
STBY5V
FB22 FB22 C125 C125 C131 C131 C132 C132 C133 C133
MBW2012-221 MBW2012-221 NC(100pF) NC(100pF)
NC(100pF) NC(100pF) NC(100pF) NC(100pF) NC(100pF) NC(100pF)
FB16 FB16
FB18 FB18
CN8 CN8 FB17 FB17
1
2
3
STANDBY R100 R100 NC(10K) NC(10K) STROBE
4
1N4148 1N4148 D9 D9 FB15 FB15 MBW2012-221 MBW2012-221
5 2 1
6 LED
7
8
POWER_ON_OFF
9
POWER_ON_OFF
MUTEA
10
MUTEA
11
12 R97 R97 33R 33R I2CCLK
I2CCLK
I2CDAT
13 R98 R98 33R 33R
I2CDAT
2.0MM-13P 2.0MM-13P
C121 C121 C122 C122 C123 C123 C124 C124
NC(100pF) NC(100pF) NC(100pF) NC(100pF) NC(100pF) NC(100pF)
NC(100pF) NC(100pF)
D5V
MUTE_CTL
MUTE_CTL
CLOSE
CLOSE
OPEN
OPEN
ENABLE
QS
8-4
S/PDIF_OUT R444 R444 27R 27R C428 0.1uF C428 0.1uF COAX_SPDIF
COAX_SPDIF
R445 150R R445 150R
R430 R430 C410 C410
82R 82R 22pF 22pF
CVBS_C
CVBS_C
Y_R_V
Y_R_V
STBY5V +18V
CN9 CN9
4
4
3
3
2
2
1
1
+5V CVBS_G_Y
CVBS_G_Y
R114 R114 R112 R112 R111 R111 R113 R113
2.2K 2.2K 10K 10K 10K 10K 10K 10K
MBW2012-221(NC) MBW2012-221(NC) C_B_U
FPC_STB C_B_U
MBW2012-221(NC) MBW2012-221(NC)
FPC_DOUT
MBW2012-221(NC) MBW2012-221(NC)
FPC_CLK
IRRCV
C111 C111
100pF 100pF
U8 U8
CD4094BC CD4094BC
STR
16 1 R85 R85 33R 33R STROBE
VDD STROBE
R87 R87 33R 33R DATA
15 2
OUTPUT/EN DATA
PCK R88 R88 33R 33R CLK
14 3
Q5 CLOCK
S1
13 4
Q6 Q1
S0
12 5
Q7 Q2
11 6 1 2
Q8 Q3
D5 D5 1N4148 1N4148
LED
10 7
Q,s Q4
R89 3.9K R89 3.9K
9 8
Qs
Vss
R91 R91
4.7K 4.7K
FB405 1K FB405 1K
CVBS_OUT C-Pb_OUT C-Pb_OUT
C78 C78
C421 C421 NC(100pF) NC(100pF)
150pF 150pF D401 D401
BAT54S BAT54S
G-Y_OUT G-Y_OUT
C80 C80
FB406 1K FB406 1K NC(100pF) NC(100pF)
Y-Pr_OUT
C423 C423
LMAIN-OUT
150pF 150pF
D402 D402
BAT54S BAT54S
RMAIN-OUT
FB407 1K FB407 1K
G-Y_OUT
C425 C425
150pF 150pF
D403 D403 Y-Pr_OUT Y-Pr_OUT
BAT54S BAT54S
C82 C82
NC(100pF) NC(100pF)
FB408 1K FB408 1K
C-Pb_OUT CVBS_OUT
CVBS_OUT
C83 C83
C427 C427 NC(100pF) NC(100pF)
150pF 150pF D404 D404 ESD2V
BAT54S BAT54S
R433 R433 2.2K 2.2K
DSPVCC33
+ +
EC429 EC429 C430 C430 R432 R432
100uF/10V 100uF/10V 0.1uF 0.1uF 3.3K 3.3K
MARK1 MARK3 MARK4
MARK2 MARK2
L_IPOD_IN
L_IPOD_IN
R_IPOD_IN
R_IPOD_IN
+5V
FB20 FB20 FB/0805 FB/0805
FB21 FB21 FB/0805 FB/0805
STROBE
DATA
CLK
S1
S0
R95 R95
10K 10K
D5V
U11 U11
CD4094BC CD4094BC
16 1
VDD STROBE
15 2
OUTPUT/EN DATA
14 3
Q5 CLOCK
13 4
Q6 Q1
12 5
Q7 Q2
11 6
Q8 Q3
10 7
Q,s Q4
9 8
Qs Vss
8-4
J9 J9
AV6-8.4-13B AV6-8.4-13B
3
Y-Pr_OUT
Y-Pr_OUT
G-Y_OUT
G-Y_OUT
5 C-Pb_OUT
C-Pb_OUT
4
1
6
2
10
8
9
+18V
Q15 Q15
SS8550 SS8550 R392 330R/0.5W R392 330R/0.5W
2 3
R348 R348 4.7K 4.7K
R347 R347
2K 2K
POWER_ON_OFF 1 Q313 Q313
3904 3904
R346 1K R346 1K
At middle of trace.
M5V
RFA5V
D5V
C81 C81
0.1uF 0.1uF
C433 C433 C113 C113
10nF 10nF
0.1uF 0.1uF
STR
QS
PCK
FS3
FS1
FS2
AUDIO_VCC
+ +
EC13 EC13
47uF/16V 47uF/16V