Block Diagram Audio - Philips LC7.5E Service Manual

Block Diagrams, Test Point Overviews, and Waveforms

Block Diagram Audio

AUDIO
B02 TUNER IF & DEMODULATOR
1101
TD1316AF/IHP
MAIN 8
IF_OUT1
TUNER
(HYBRID)
2
RF_AGC
7111
12
14
13
DVB_SW 11
B04
B03A DVB-DEMODULATOR B03B
DVB-COMMON INTERFACE
7K00
7F01
TDA10046AHT STV0700L
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
B07A YPBPR & SVHS
EXT4
D1 SIDE HDMI D2 SIDE I/O
7Q03
SII9181CNU
HDMI
BUFFER
EXT3
RX
HDMI-SIDE
B07D B07C HDMI MAIN
HDMI SWITCH
7M07
SII9185ACTU
1M01
RX-A R0X
1M02
HDMI
(OPTIONAL) SWITCH
HDMI-SIDE
RX-B R1X
1M03
TX HDMI-MUX
RX-C R2X
HDMI FOR MORE DETAILS SEE
CONNECTOR BLOCK DIAGRAM VIDEO
LC7.5E LA
7113
TDA9886T/V4
1102
5 VIF1 1 VIF1
IF-ATV 1
2 VIF2
4 VIF2
1103
1 5 SIF1
23 SIF1
RF_AGC_IBO
B03A SIF2
4 SIF2 24
RF_AGC 14 TAGC
7109
12
SAW_SW
B04
B03C 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
B07B I0 - SCART 1 & 2
1504 SC1_AUDIO _MUTE_R
1 SC1_AUDIO _OUT_R
2 SC1_AUDIO_IN_R
2x SCART
1 3 SC1_AUDIO _OUT_L
6 SC1_AUDIO_IN_L
SC1_AUDIO _MUTE_L
EXT1
1506 SC2_AUDIO _MUTE_R
1 SC2_AUDIO _OUT_R
2 SC2_AUDIO_IN_R
3 SC2_AUDIO _OUT_L
21
6 SC2_AUDIO_IN_L
SC2_AUDIO _MUTE_L
EXT2
1615
COMP_AUDIO_IN_L COMP_AUDIO_IN_L
AUDIO
L/R IN COMP_AUDIO_IN_R COMP_AUDIO_IN_R
B04A MICROPROCESSOR
1R20
1R04 1304
6 6 SIDE_AUDIO_IN_L
L_FRONT_IN
AUDIO
L/R IN 8 8 SIDE_AUDIO_IN_R
R_FRONT_IN
7N01 7N07
SII9125CTU UDA1334ATS
AUDIO
HDMI
DAC
(MAIN)
R1X
14 HDMI_AUDIO_IN_L
86 HDMI_I2S_SCK 1
VOUTL
SCK BCK
HDNI_I2S_WS 2
85
WS WS
HDMI_AUDIO_IN_R
3 16
81 HDMI_I2S_SD
VOUTR
SD DATAI
R0X
8
75
MUTE MUTE
6. 35
+5VS
DEMODULATOR
SUPPLY
SOUND TRAPS CVBS
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
TUNER AGC VIF AGC
B06A AUDIO PROCESSOR
7411
MSP4450K-VK-E8-001 Y
SIF 63
ANA-IN1+
27
DACM-L
20
DA3
26
DACM-R
17
CL3
SOUND
18
WS3
PROCESSOR
67
XTALIN
12
13
68 SUPPLY
61
1411
XTALOUT
18M432 62
B06C
80
36
SC1-OUT-R
38
55
SC1-IN-R 39
37
40
SC1-OUT-L
54
SC1-IN-L
B06C
B06C
33
SC2-OUT-R
53
SC2-IN-R
34
SC2-OUT-L
52
SC2-IN-L
24
DACA-L
B06C
23
DACA-R
50
SC3-IN-L
51
SC3-IN-R
48
SC4-IN-L
49
SC4-IN-R
57
SC5-IN-L
58
SC5-IN-R
B06B AUDIO
7A01
TDA8932T
3A03
AUDIO-LS_L 27
2
3A11
AUDIO-LS_R
14
CLASS D
POWER
AMPLIFIER
3A19
STANDBYn 6
B04
22
3A26
ENGAGE
5
+5V_D
7A05÷7A07
+5V_AUD
DC_PROT
B04 DC-DETECTION
+8V
B06C HEADPHONE AMP & MUTING B04 MICRO
PROCESSOR
7901
1304
HP_AUDIO_OUT_L HP_LOUT 10
HP_AUDIO_OUT_R HP_ROUT 11
SC1_AUDIO _MUTE_R
ANTI_PLOP
B04
SC1_AUDIO _MUTE_L
MUTING
SC2_AUDIO _MUTE_R
SC2_AUDIO _MUTE_L
POWER_DOWN
B04
CONTROL
MUTEn
B04
1A02
1
2
SUB
WOOFER
3
1A01
5A03
1
LEFT
2 SPEAKER
3
RIGHT
5A04
4 SPEAKER
D2 SIDE I/O
1R04
10 HEAD_PH_L
2
11 HEAD_PH_R 3
5
HEADPHONE
EXT3
B07B
H_17371_007.eps
021007