Block Diagram Audio - Philips LC7.2E Service Manual

Block Diagrams, Test Point Overviews, and Waveforms

Block Diagram Audio

AUDIO
TUNER IF & DEMODULATOR
B03A
1101
TD1316AF/IHP
8
MAIN
IF_OUT1
TUNER
(HYBRID)
2
RF_AGC
7111
12
14
13
DVB_SW
11
B04A
B03B DVB-DEMODULATOR
B03C DVB-COMMON INTERFACE
7F01 7K00
STV0700L
TDA10046AHT
62 PCMCIA
61
CONTROLLER
COFDM
2
ADC
CHANNEL
DECODER
TDA_DAT(0-7)
TS
INTERFACE
1K00
A_MDO(0-7)
PCMCIA
68P
A_MDO(0-7)
CONDITIONAL
ACCESS
D
SIDE FACING SIDE AV
EXT3
B06A YPBPR & REAR IO
EXT4
B06C HDMI
RXxxA
RXxxB
2x HDMI
CONNECTOR
LC7.2E LA
7113
TDA9886T/V4
1102
1 VIF1
5 VIF1
1
IF-ATV
2
4 VIF2 VIF2
1103
1 5 SIF1 23 SIF1
RF_AGC_IBO
B03B
4 SIF2 24 SIF2
RF_AGC 14 TAGC
7109
12
SAW_SW
B04A
B03D DVB-MOJO
7G00
PNX8314HS/C102
MOJO
MOJO_I2S_OUT_SD
202
MOJO_I2S_OUT_SCK
TS_DATA(0-7) 203
(TS) (AV)
MOJO_I2S_OUT_WS
204
I0 - SCART 1 & 2
B06B
1504 SC1_AUDIO _MUTE_R
1 SC1_AUDIO _OUT_R
2 SC1_AUDIO_IN_R
2x SCART
3
1 SC1_AUDIO _OUT_L
6 SC1_AUDIO_IN_L
SC1_AUDIO _MUTE_L
EXT1
1506 SC2_AUDIO _MUTE_R
1 SC2_AUDIO _OUT_R
SC2_AUDIO_IN_R
2
3 SC2_AUDIO _OUT_L
21
6 SC2_AUDIO_IN_L
SC2_AUDIO _MUTE_L
EXT2
MICROPROCESSOR
B04A
1302
1304 1304
6 6 SIDE_AUDIO_IN_L_CON
L_FRONT_IN
AUDIO
L/R IN 8 8
R_FRONT_IN SIDE_AUDIO_IN_R_CON
1615
COMP_AUDIO_IN_L COMP_AUDIO_IN_L
AUDIO
L/R IN
COMP_AUDIO_IN_R COMP_AUDIO_IN_R
7817 7810
UDA1334ATS/N2
SII9025CTU
+ AUDIO
RX2
- DAC
HDMI
HDMI_AUDIO_IN_L
+ 86 HDMI_I2S_SCK 1 14
VOUTL
SCK BCK
RX1
- 2
85 HDNI_I2S_WS
WS WS
+ 16 HDMI_AUDIO_IN_R
84 HDMI_I2S_SD 3
RX0 DATAI VOUTR
SD0
-
+
RXC 77 8
MUTE MUTE
-
6. 36
+5VS
DEMODULATOR
SUPPLY
CVBS
SOUND TRAPS
VIF-PLL
4.5 to 6.5 Mhz
SINGLE REFERENCE QSS MIXER
SIOMAD 12
INTERCARRIER MIXER AND
AM-DEMODULATOR
SIF AGC MAD
I2C-BUS TRANSCEIVER
VIF AGC
TUNER AGC
B04C AUDIO PROCESSOR
7411
MSP4450P-VK-E8 000 Y
SIF 63
ANA-IN1+
27
DACM-L
7
DA1 26
DACM-R
4
CL
SOUND
5
WS
PROCESSOR
67
XTALIN
12
13
68 SUPPLY
1411 XTALOUT
18M432
39
B06D
36
SC1-OUT-R
38
55
SC1-IN-R
40
37
SC1-OUT-L
54
SC1-IN-L
B06D
B06D
B06D
33
SC2-OUT-R
53
SC2-IN-R
34
SC2-OUT-L
52
SC2-IN-L
24
DACA-L
B06D
23
DACA-R
48
SC4-IN-L
49
SC4-IN-R
50
SC3-IN-L
51
SC3-IN-R
57
SC5-IN-L
58
SC5-IN-R
B07 AUDIO
3A03
AUDIO-LS_L
3A11
AUDIO-LS_R
3A19
STANDBYn
B04A
3A26
ENGAGE
+5V_D
B04A
+8V
+5V_AUD
HEADPHONE AMP & MUTING B04A MICRO
PROCESSOR
7901
1304
HP_AUDIO_OUT_L HP_LOUT 10
HP_AUDIO_OUT_R HP_ROUT 11
SC1_AUDIO _MUTE_R
ANTI_PLOP
B04A
SC1_AUDIO _MUTE_L
MUTING
SC2_AUDIO _MUTE_R
SC2_AUDIO _MUTE_L
POWER_DOWN
B04A
STANDBY
B04A CONTROL
MUTEn
B04A
7A01
TDA8932T/N1 1735
5A03
1
27
9
LEFT
1 SPEAKER
2
CLASS D
POWER
3
AMPLIFIER
RIGHT
6
5A04 SPEAKER
4
22
5
7A05÷7A07
DC_PROT
DC-DETECTION
D SIDE FACING SIDE AV
1304
10 HEAD_PH_L
2
HEAD_PH_R
11 3
5
HEADPHONE
EXT3
B06B
G_16860_037.eps
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