Philips LC4.9E - 6.4 Block Diagram Audio

24LC4.9E AB 6.
Block Diagrams, Test Point Overviews, and Waveforms
Block Diagram Audio
B5
AUDIO PROCESSING
B17
SIDE
CONNECTORS
D
SIDE I/O
B2
HERCULES
B1
TUNER & IF
AUDIO
CONTROL
J
LED PANEL
B2
HERCULES
AUDIO
B16
B15
SCART ANALOGUE IO
B14
DIGITAL IO
B15
SCART ANALOG IO
D
SIDE I/0
B17
SIDE CONNECTORS
E
CONTROL BOARD
B17
SIDE CONNECTORS
B3
SYNC INTERFACE
B6
DC-DC CONVERTER
SA3
60
61
AUDOUTLSR
AUDOUTLSL
1K04
10 10
1M36
11 11
HP_LOUT
HP_ROUT
HEADPHONE
SOUND L-HEADPHONE-OUT
SOUND R-HEADPHONE-OUT
7217
TDA15021H
1102
UV1318S
RF IN
TUNER
2106
11
4
5
SCL
SDA
QSS Mixer
AM Demod.
AM
1106
7
8
2
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
PC
AUDIO
IN
AudioIN2L
AudioIN2R
53
54
SC1_COMP_AV1_L_IN
SC1_COMP_AV1_R_IN
SC1_COMP_AV1_L_IN
SC1_COMP_AV1_R_IN
34
35
SC2_L_MON_OUT
SC2_R_MON_OUT
56
57
SCART 1
62
63
36
37
29
30
33
IF-TER
IFOUT
F108
AUDIO
SELECT
ADC/DAC
AUDIO
CONTROL
Vol/Treb/
Bass
Features
DACs
I2S
Processor
QSS/FM
1704
1705
1702
1701
1706
Channel+
Channel-
Volume+
Volume-
Power
33
55
0345
1K00
6050
6051
7062
7052
7051
3063
1040
GND
+5V2-STBY
VS
OUT
22
44
66
LED2
LED1
RC
3061
+5V2-STBY
Red
Green
PC-TV-LED
LED_SEL
IR
+5V2-STBY
KEYBOARD
97
7217
TDA15021H
115
107
120
7430
+3v3STBY
+5VSW
3431
6F00
114
SEL_IF_SDM
4022
SERVICE
SDM
116
STATUS_1
B3
119
STATUS_2
B3
MUTE
OUT_MUTE
102
EXT_MUTE
B5
POWER_DOWN
SOUND_ENABLE
111
SOUND-ENABLE
B5
122
SC_STANDBY
B15B6
F_15420_024.eps
211005
B1
HERCULES
4110
6104
7101
3
SEL_IF_SDM
B2
MUTE
OUT_MUTE
MUTE
4211
4212
1J04
(1M52)
11
1739
33
88
SOUND-ENABLE_1
7606
7202
7201
1G01
6
2
1002
66
88
L
R
FRONT_L_IN
FRONT_R_IN
49
50
1M36
1K04
2
3
1
6070
11
LIGHT-SENSOR
LIGHT_SENSOR
1703
Menu
1M01
22
1K02
(1M01)
KEYBOARD
+3V3STBY
ITV_IR_SW_RESET
123
1202
127
AV2 _DMMI_SW
7601
TS482ID
1
7
2
6
SC1_L
SC1_R
SC2_L
SC2_R
11
10
1F01
2
4
3
7
2
1010
2
3
5
77
DETECT
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
PA NEL-PWR-CTL
3758
3755
LVDS_VCC
5756 5754
PAN_VCC
+12VSW
B8
B2
B15
EXT 1
AUDIO
L/R IN
EXT 2
EXT 1
3
1
3
1
99
POR_AUDIO
B5
&
3628
3629
13
12
+5V
POR_AUDIO
B16
77
3051
PWM
7700
TDA7490
5731
1736
1
3
Speaker L
15W/8Ω
Speaker R
15W/8Ω
1M02
6
5
2
1
7
TO 1002
SUPPLY
SA
-16 V-19V
+16V+19V
-16V-19V
SOUND
ENABLE
DCPROT
SOUND-ENABLE
AUDIO
SUPPLY
PROT, CIRCUIT
+16 V+19V
PROT_AUDIOSUPPLY
7701:7707
POR-CLASSD
3718
3717
PROT1
5701
5702
stby-mute
10
6
18
3
23
4,22
2,24
AUDIO-L
AUDIO-R
3764
6703
3761
6702
-16 V-19V
+16 V+19V
7709/7710
PWM
OSC
5730
1735
1
3
AUDIO-L
AUDIO-R
N.C.
4219
4618
N.C.
RES
7758
7754
SC2_L_IN
SC2_R_IN
SC2_L_IN
SC2_R_IN
21
1
SCART 2
7G07*
74HC4053D
1G02
6
2
DMMI_L_IN
DMMI_R_IN
1G03
6
4
13
1
4G11
4G12
*Only for
DVB Set
12
2
DMMI
CONNECTOR
EXT 2
10,11
14
15
AV2_DMMI_SW
B2
FROM 1500
BACK END
(Only for
DVB sets)
K5