Block Diagram Audio - Philips LC8.1E Service Manual

Block Diagrams, Test Point Overview, and Waveforms

Block Diagram Audio

AUDIO
B02
TUNER IF & SAWF
1104
1102
UV1316E
1
2
MAIN
3
TUNER
SAW 38M9
1103
11 IF_ATV 1
IF1
2
3
SAW 38M9
7109
1 RF_AGC
AGC
VST
9
VTUN
B06B
IO - SCART 1
1504
1 6
SC1_AUDIO_IN_L
SC1_AUDIO_IN_R
2
7
EXT 1
11
3 SC1_AUDIO_OUT_L
15
16
1 SC1_AUDIO_OUT_R
20
21
SCART1
B05B AUDIO CLASS D
SC1_AUDIO_MUTE_L
SC1_AUDIO_MUTE_R
CONTROL
ANTI
SC2_AUDIO_MUTE_L PLOP
SC2_AUDIO_MUTE_R
B06C
IO - SCART 2
1504
1 3 SC2_AUDIO_OUT_L
7 1 SC2_AUDIO_OUT_R
EXT 1
11
6 SC2_AUDIO_IN_L
15
16
2 SC2_AUDIO_IN_R
20
21
SCART1
B06A
YPBPR & SVHS
1602
SIDE_AUDIO_IN_L
AUDIO IN
L+R
SIDE_AUDIO_IN_R
1615
COMP_AUDIO_IN_L
AUDIO IN
L+R
COMP_AUDIO_IN_R
B06D
HDMI
1N01
1 RX2_A+ HDMI_MUX_TX2+
3 RX2_A- HDMI_MUX_TX2-
4 RX1_A+ HDMI_MUX_TX1+
RX1_A- HDMI_MUX_TX1-
6
7 RX0_A+ HDMI_MUX_TX0+
RX0_A- HDMI_MUX_TX0-
9
10 RXC_A+ HDMI_MUX_TXC+
12 RXC_A- HDMI_MUX_TXC-
HDMI
CONNECTOR
LC8.1E LB
B05A B04A
SMIC L
7401
TDA8890H1
5 VIF1 72
4 VIF2 71
4 SIF1 68
5 SIF2 67
SMIC
7
SAW_SW 79
9
66 10
4
5
52
51
62
61
ANTI_PLOP
B03
41
40
48
45
64
63
35
34
7N07
IP4776CZ38
27 10
30 7
HDMI
INTERFACE
33 4
6. 26
B05B
TDA154XX
7C01
TDA15471HV
LOC TOP
TUN_SIF 53 61 AUDIO_LS__L
AUDIO_LS__R
62
MAIN_L 37
MAIN_R
38
TUN_L 55
TUN_R
56
B03
B03
71
B06A
68
HDMI_MUX_TX2+ 245
HDMI_MUX_TX2- 244
HDMI_MUX_TX1+ 241
HDMI_MUX_TX1- 240
HDMI
HDMI_MUX_TX0+ 237
HDMI_MUX_TX0- 236
HDMI_MUX_TXC+ 233
HDMI_MUX_TXC- 232
AUDIO CLASS D
7A01
TDA8932T/N1
CLASS D
37
LOUT_SP
27
POWER
38
AMPLIFIER
22 ROUT_SP
5
POWER_DOWN
ENGAGE
MUTING
MUTEn
CIRCUIT
7J42
DC_PROT
DC-DETECTION
YPBPR & SVHS
HP_DETECT
1A35
Speaker L
1
2
Speaker R
3
4
LOUT_HP
2
ROUT_HP 3
Headphone
6
Out 3.5mm
I_18170_018.eps
300708