Block Diagram Audio - Philips LC7.1HE LA Service Manual

Block Diagrams, Test Point Overviews, and Waveforms

Block Diagram Audio

AUDIO
B03A TUNER IF & DEMODULATOR
+VTUN
1101
TD1318S/A 9
1102
MAIN 11 IF-ATV 1
IF_OUT3
TUNER
1
1103
1
3111
7109
SAW_SW
B04A
B06B I0 - SCART 1 & 2
SI
SYSTEM INTERFACE
1305
1301 1526
27 7
SC1_AUDIO _OUT_R 7 SC1_AUDIO _OUT_R
28
SC1_AUDIO _OUT_L 6 6 SC1_AUDIO _OUT_L
INTEGRATED
CARD SLOT
1302 1525
29 1
SC2_AUDIO_IN_R 1 SC2_AUDIO_IN_R
30
SC2_AUDIO_IN_L 2 2 SC2_AUDIO_IN_L
(OPTIONAL)
B06A YPBPR & REAR IO
EXT3
EXT4
B06C HDMI
RXxxA
RXxxB
2x HDMI
CONNECTOR
LC7.1HE LA
+5VS
7113
TDA9886T/V4
DEMODULATOR
SUPPLY
5 VIF1 1 VIF1
SOUND TRAPS
VIF-PLL
2 VIF2 4.5 to 6.5 Mhz
4 VIF2
SIF1 SINGLE REFERENCE QSS MIXER
5 23 SIF1
INTERCARRIER MIXER AND
AM-DEMODULATOR
4 SIF2 24 SIF2
SIF AGC MAD
RF_AGC 14 TAGC
I2C-BUS TRANSCEIVER
TUNER AGC VIF AGC
12
1504 SC1_AUDIO _MUTE_R
SCART
1
1 SC1_AUDIO _OUT_R
2
3 SC1_AUDIO _OUT_L
6
SC1_AUDIO _MUTE_L
21
EXT1
1506 SC2_AUDIO _MUTE_R
SCART
1
1 SC2_AUDIO _OUT_R
2
3 SC1_AUDIO _OUT_L
6
SC2_AUDIO _MUTE_L
21
EXT2
1603
SIDE_AUDIO_IN_L_CON
AUDIO
L/R 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
SII9025CTU UDA1334ATS/N2
+ 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
HDMI_AUDIO_IN_R
+ 16
84 HDMI_I2S_SD 3
RX0 DATAI VOUTR
SD0
-
+
8
RXC 77
MUTE MUTE
-
6. 35
B04C AUDIO PROCESSOR
7411
MSP4450P-VK-E8 000 Y
CVBS
27
DACM-L
26
DACM-R
12 SIF 50
SIOMAD
ANA-IN1+
SOUND
67
15 PROCESSOR
XTALIN
1104
4M0
68
XTALOUT 12
1411
13
18M432 SUPPLY
39
B06D 38
36
40
SC1-OUT-R
SC1_AUDIO_IN_R
53
SC1-IN-R
37
SC1-OUT-L
SC1_AUDIO_IN_L 54
SC1-IN-L
B06D
B06D
33
SC2-OUT-R
53
SC2-IN-R
34
SC2-OUT-L
52
SC2-IN-L
B06D
24
DACA-L
48
23
SC4-IN-L
DACA-R
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
+8V
+5V_AUD
B06D HEADPHONE AMP & MUTING
POWER_DOWN
B04A
STANDBY
B04A CONTROL
MUTEn
B04A
ANTI_PLOP SC1_AUDIO _MUTE_R
B04A
SC1_AUDIO _MUTE_L
MUTING
SC2_AUDIO _MUTE_R
SC2_AUDIO _MUTE_L
HC01 IBOARD
7109
TDA1517ATW/N1
POWER
1901 1108
AMPLIFIER
HP_AUDIO_OUT_L 1 HP_AUDIO_OUT_L
1 3
IN1+
HP_AUDIO_OUT_R 2 2 HP_AUDIO_OUT_R
18
IN2-
7A01
TDA8932T/N1 1735
5A03
27 1
9
LEFT
1
2 SPEAKER
CLASS D
POWER
3
AMPLIFIER
RIGHT
6
5A04
4 SPEAKER
22
5
7A05÷7A07
DC_PROT
B04A DC-DETECTION
B06B
5107
8 4
OUT1A
9
OUT1B
1
H_17151_005.eps
091007