Philips HTD3500 Service Manual page 39

7-8
5
Main Board Circuit Diagram: AUDIO_IN
TUNER_L R92 R92 10K 10K AL_CH2
AUX2_L
C163 C163
R154 R154 1uF/50V/Y5V 1uF/50V/Y5V
3K/NC 3K/NC
AUX2_R
TUNER_R R97 R97 10K 10K AR_CH2
C164 C164
R157 R157 1uF/50V/Y5V 1uF/50V/Y5V
3K/NC 3K/NC
D
MP3_AL
1uF/50V/Y5V 1uF/50V/Y5V
MIC_ALR C168 C168 R104 R104 47K 47K MIC_R
1uF/50V/Y5V 1uF/50V/Y5V
MIC_ALR C176 C176 R197 R197 47K 47K MIC_L
MP3_AR
P5 P5
6
2
5
4
C
1
3 COAX_IN
RCA/3P RCA/3P
C116 C116 C117 C117 C118 C118
NC NC NC NC NC NC
SPDIF IN
C79 C79
B 0.1uF/25V/Y5V 0.1uF/25V/Y5V
SPDIF_IN2
C106 C106
C80 C80 R119 R119 0.1uF/25V/Y5V 0.1uF/25V/Y5V
NC NC NC NC
R120 R120 NC NC
3V3
C81 C81
NC NC
SPDIF_IN1 R121 R121 0 0 1
Vout +IN
-IN
R122 R122
C83 C83 75 75
NC NC U7 NC U7 NC
A
5
4
AL_CH3 R164 R164 150K 150K
1uF/50V/Y5V 1uF/50V/Y5V
AR_CH3 R165 R165 150K 150K
R87 R87 10K 10K C166 C166 AL_CH3
R118 R118 AL_CH4 R173 R173 150K 150K
3K 3K
R174 R174
AR_CH4 150K 150K
1uF/50V/Y5V 1uF/50V/Y5V
AL_CH2 R175 R175 150K/NC 150K/NC
R91 R91 10K 10K C167 C167 AR_CH3
R153 R153
AR_CH2 R176 R176 150K/NC 150K/NC
3K 3K
1uF/50V/Y5V 1uF/50V/Y5V
R103 R103 562 562 C169 C169 AL_CH4
R158 R158
3K 3K
1uF/50V/Y5V 1uF/50V/Y5V
R105 R105 562 562 C170 C170 AR_CH4
R160 R160
3K 3K
AUX2_R
AUX2_L
CVBS_O
CVBS_O
SP_VCC
AVCC
FB23 FB23
0 0 AD_INR R218 R218 1K 1K
Optical
1
Vout
2
G
3
VCC
P2 P2
S/PDIF IN S/PDIF IN
AD_INL R227 R227 1K 1K
C155 C155
0.1uF/25V/Y5V 0.1uF/25V/Y5V
Coaxial
C82 NC C82 NC
3 COAX_IN
4
L11 NC L11 NC
D4 D4
C171 C171
R124 R124
NC NC NC NC NC NC
R123 R123
NC NC
4
3
+6VA
R162 R162
22K 22K
C73 C73
0.1uF/25V/Y5V 0.1uF/25V/Y5V
U5 U5
12 16
+ +
X0 VCC
R163 R163 AR_CH2 14
CE31 CE31
X1
AR_CH3 15
22K 22K
X2
AR_CH4 11 1uF/50V/Y5V 1uF/50V/Y5V
47uF/16V 47uF/16V
X3
74HC4052 74HC4052 13 C174 C174 MIC_R
X
1
Y0
5
AL_CH2
Y1
AL_CH3 2
Y2
4
AL_CH4 1uF/50V/Y5V 1uF/50V/Y5V
Y3
3 C175 C175 MIC_L
Y
A_SW0 10
A
A_SW1 9
B
MIC_CON 6
MIC_CON EN
7 8
VEE GND
R100 R100 R99 R99
4.7K 4.7K 4.7K 4.7K
3V3
Change to NMOS ASM3402
C138 C138 47pF/50V/NP0 47pF/50V/NP0
R216 R216 10K 10K
U12A U12A
AS4558M AS4558M
10uF/10V/Y5V 10uF/10V/Y5V
C172 C172
3
+ +
1 ADC_INR
2
- -
R253 R253 5.6K 5.6K
R220 R220
NC NC
+6VA
C142 C142 47pF/50V/NP0 47pF/50V/NP0
R226 R226 10K 10K R225 R225
NC NC
R254 5.6K R254 5.6K ADC_INL
6 C173 C173
7 10uF/10V/Y5V 10uF/10V/Y5V
5
U12B U12B
AS4558M AS4558M
+6VA
+12VA
+6VA
+12VA
R43522K R43522K
+12V
+ +
R436 R436
CE33 CE33 100 100
100uF/16V 100uF/16V
R437 R437 C153 C153
22K 22K
0.1uF/25V/Y5V 0.1uF/25V/Y5V
3
7-8
2
+6VA
R88 R88 2K 2K
+ +
CE30 CE30
OFF-PAGE CONNECTION
47uF/16V 47uF/16V
MCK
MCK
LRCK
LRCK
470 470 R93 R93 BCK
BCK
AD_INR ADC_DAT
ADC_DAT
100K 100K R95 R95
C74 C74
AD_INL 470pF/50V/X7R 470pF/50V/X7R
470 470 ADC_VRST#
ADC_VRST#
R94 R94
TUNER_L
TUNER_L
R98 R98 TUNER_R
TUNER_R
C75 C75
100K 100K
470pF/50V/X7R 470pF/50V/X7R
ADC & SW I/F
A_SW0
A_SW0
A_SW1
A_SW1
SPDIF_IN1
SPDIF_IN1
SPDIF_IN2
SPDIF_IN2
SPDIF Dx I/F
MP3_AL
MP3_AL
MP3_AR
MP3_AR
MIC_ALR
MIC_ALR
FB22 FB22 0 0
MO_VCC 3V3
+ + C77 C77
R108 R108
CE40 CE40 0.1uF/25V/Y5V 0.1uF/25V/Y5V
100uF/25V 100uF/25V 4.7 4.7
MBRX140/40V/1A MBRX140/40V/1A
1V
ADC_INR
D73 D73
1
AINR CKS0
1V
ADC_INL 2
AINL CKS2
3
CKS1 DIF
4
VCOM PDN
5
AGND SCLK
6
VA MCLK
7
VD LRCK
8
DGND SDTO
+ +
CE43 CE43 U6 U6
10uF/25V 10uF/25V ADC_AK5358A ADC_AK5358A
3V3
C78 C78
R116 R116
4.7K 4.7K
R117 R117
ADC_VRST#
2
1
D
C
R109 R109 R110 R110
47K 47K 10K 10K
R111 R111
10K 10K
16
15 B
14
13
12
BCK
11
MCK
10
LRCK
9
ADC_DAT
1K 1K Q23 Q23
NPN_3DG3904M NPN_3DG3904M
A
1