Philips LC4.41E - Block Diagram Audio

Block Diagrams, Test Point Overviews, and Waveforms
23LC4.41E AA 6.
Block Diagram Audio
B5
AUDIO PROCESSING
B17
SIDE
CONNECTORS
D
SIDE AV
B2
HERCULES
B1
TUNER & IF
AUDIO
CONTROL
J
IR/LED/LIGHT-SENSOR
B2
HERCULES
B16
B15
SCART ANALOGUE IO
B14
DIGITAL IO
B15A
SCART ANALOG-IO
D
SIDE AV
B17
SIDE CONNECTORS
E
CONTROL BOARD
B17
SIDE CONNECTORS
B3
SYNC INTERFACE
B6
DC-DC CONVERTER
B14
DIGITAL IO
C1
AUDIO: AMPLIFIER
C2
AUDIO:
CONNECTORS
C2
B4
AUDIO DELAY LINE
(LIPSYNC)
B12
HDMI
1M03
1
3
LEFT
SPEAKER
60
61
AUDOUTLSR
AUDOUTLSL
1K01
10 10
1K04
12 12
HP_LOUT
HP_ROUT
HEADPHONE
SOUND_L-HEADPHONE-OUT
SOUND_R-HEADPHONE-OUT
7217
TDA15021H
1152
UV1318S
RF IN
TUNER
2156
11
4
5
SCL
SDA
QSS Mixer
AM Demod.
AM
1156
4
5
1
SIF1
SIF2
AD Conv.
Std Stereo
Decoder
21
1
1G02-1
21
1
1G01-1
21
1
SC1_L_RF_OUT
SC1_R_RF_OUT
SCART 1
SCART 2
AV1_Audio_INL
AV1_Audio_INR
34
35
SC2_L_MON_OUT
SC2_R_MON_OUT
AV2_Audio_INL
AV2_Audio_INR
21
1
62
63
36
37
29
30
33
IF-TER
IFOUT
F158
AUDIO
SELECT
ADC/DAC
AUDIO
CONTROL
Vol/Treb/
Bass
Features
DACs
I2S
Processor
QSS/FM
1704
1705
1701
1702
1706
Channel+
Channel-
Volume+
Volume-
Power
33
55
0345
1K00
22
44
66
+5V2-STBY
PC-TV-LED
LED_SEL
RC_OUT
KEYBOARD
97
7217
TDA15021H
115
107
120
7430
+3v3STBY
+5VSW
3431
6430
114
SEL_IF_SDM
4204
SERVICE
SDM
116
STATUS_1
B15A
119
STATUS_2
MUTE
OUT_MUTE
102
EXT_MUTE
B5
POWER_DOWN
SOUND_ENABLE
111
SOUND-ENABLE
B5
122
SC_STANDBY
B6
G_16240_007.eps
140206
B1
HERCULES
6154
7151
3
SEL_IF_SDM
B2
MUTE
OUT_MUTE
MUTE
4211
4212
1J04
1M01
SOUND-ENABLE
7606
7202
7201
1G01-1
6
2
1G02-1
6
2
1G02-2
66
88
L
R
FRONT_L_IN
FRONT_R_IN
53
54
1M36
1K04
11
LSIPDP_DVB_SEMISTANDBY
1703
Menu
1M01
22
1K02
KEYBOARD
+3V3STBY
P50_LIN2_ITV_IR_SW_RST
123
1202
24M576
127
AV2_DMMI_SW
7601
TS482ID
1
7
2
6
SC1_L
SC1_R
SC2_L
SC2_R
11
10
1010
7
1
2
11 11
DETECT
HP_DET_R_DC_1
HP_DET_R_DC_1
EXT_MUTE
2
1
9
10
7602
74HC08PW
B16
B2
B2
6
8
SC1_L_RF_OUT
SC1_R_RF_OUT
SC2_L_MON_OUT
SC2_R_MON_OUT
OUT_MUTE
&
&
&
3
5
3432
RES
7756
3759
3750
+3V3STBY
+3V3SW
SC_STANDBY
7755
PANEL-PWR-CTL
3758
3755
LVDS_VCC
5756 5757
PAN_VCC
+12VSW
B8
B2
EXT 1
SCART 1
EXT 2
SCART 2
AUDIO
L/R IN
EXT 2
EXT 1
3
1
3
1
7758
7754
2
HD_AudioINL
HD_AudioINR
HD_AudioINL
HD_AudioINR
49
50
1002
7F03
74HC4052D
1
12
4
11
2
15
3
13
9
Analog_AudioSEL1
1F01
AUDIO
L/R IN
DVI_D_AudioINL
DVI_D_AudioINR
DVI_D_AudioINL
DVI_D_AudioINR
56
57
SIDE_AudioINL
SIDE_AudioINR
Analog_AudioINL
Analog_AudioINR
10
Analog_AudioSEL2
B7
7D03
TDA9975
7D04
UDA1334ATS
DAC
14
16
HDMI_AudioINL
HDMI_AudioINR
1
3
2
A5
A7
B7
HDMI
10-BIT
VIDEO
CONVERTER
HDMI_A
HDMI_B
1F02
1F03
19
1
18 2
19
1
18 2
AUDIO-R
AUDIO-L
5700
4205
B15A
B15B
B15A
B15B
LEFT-SPEAKER
7D10-02
7D10-3
ADAC1
ADAC2
7D18
7D18
-12_20V
+12_20V
CONTROL
RIGHT-SPEAKER
7D23
7D23
-12_20V
+12_20V
CONTROL
MUTE
FEEDBACK-LR
FEEDBACK-RL
7D10-01
7D10-04
CONTROL
SOUND-ENABLE
PROT-AUDIOSUPPLY
FEEDBACK
CONTROL
U-VOLT-DETECT
CONTROL
MUTE
INV-MUTE
7D25
7D26
7D11
7D14÷7D16
7D19÷7D21
11
33
88
1M04
1
3
RIGHT
SPEAKER
1M02
7
6
TO
PDP
SUPPLY
5
3
2
1
-12_20V
+12_20V
5M12
5M11
5M09
5M09
COUNTER COUNTER
I2SCLK
RAM
32kx8
LATCH
LATCH
I2SDO1
I2SDI1
7503
M74HC590
7501
M74HC590
7502
CY62256LL
7505
74HC573
7506
74HC573
103
105
106
98
TV_IRQ
B7
99
TV_SC_COM
B7
LIGHT
SENSOR
LIGHT-SENSOR
6070
LED RED
LED1
6060
LED GREEN
LED2
7052
7051
6051
3061
3051
IR
SENSOR
RC
+5v2-STBY
1040
3040
7062
MULTI
PLEXER
AUDIO
L/R IN
HDMI1
HDMI2