Block Diagram Audio - Philips ME6 Service Manual

Block Diagrams, Test Point Overviews, and Waveforms

Block Diagram Audio

AUDIO
B1 TUNER & IF
1152
UV1318S
F158
2156 1156
4
11 IF-TER 1
RF IN IFOUT
2
TUNER
5
3
7151
4 5
SEL_IF_SDM
B2
B15A B14 DIGITAL IO
SCART ANALOG-IO
1G01-1 7F03
1
6 AV1_Audio_INL
1
AV1_Audio_INR 12
2
21
EXT 1 SIDE_AudioINL 4
SCART 1
SIDE_AudioINR 11
1G02-1
1
6 AV2_Audio_INL
2
2 AV2_Audio_INR 15
21
10
EXT 2
SCART 2
1G02-2
HD_AudioINL
AUDIO
L/R IN
HD_AudioINR
1F01
DVI_D_AudioINL DVI_D_AudioINL
AUDIO
L/R IN DVI_D_AudioINR DVI_D_AudioINR
D B17
SIDE AV SIDE CONNECTORS
1302 1304 1K01
(1002) (1M36) (1K04)
L_FRONT_IN 6 6 SIDE_AudioINL
AUDIO
L/R IN R_FRONT_IN
8 8 SIDE_AudioINR
( ) For 37" - 42"
B14 DIGITAL IO B12 HDMI
1F02
7D03 7D04
TDA9975 UDA1334ATS
HDMI
HDMI 1 HDMI_A
A5 1
1F03 A7 3
10-BIT
B7
VIDEO 2
CONVERTER
HDMI_B
HDMI 2
CONTROL
E B17
KEYBOARD CONTROL SIDE CONNECTORS
1309(1703)
Channel+
1310(1704)
Channel-
3324(1705)
Menu
1311(1701)
Volume+
1312(1702)
Volume-
1313(1706) 2 2
Power
( ) For 37" - 42"
J IR/LED/LIGHT-SENSOR
3 3
1 1
2 2
+3V3STBY 5 5
+3V3STBY
4 4
6 6
( ) For 37" - 42"
LC4.31E AA
B2 HERCULES
7217
TDA15021H
SIF1 29 AM
QSS Mixer
AM Demod.
QSS/FM
SIF2 30
33 AD Conv.
Std Stereo
AUDIO
Decoder
CONTROL
Vol/Treb/
Bass
Features
DACs
34
3 Analog_AudioINL
13 Analog_AudioINR 35
I2S
Processor
9 Analog_AudioSEL1
B7
Analog_AudioSEL2
49
HD_AudioINL
AUDIO
HD_AudioINR 50
SELECT
ADC/DAC
56
57
DAC
HDMI_AudioINL
14 53
16 HDMI_AudioINR 54
B2
HERCULES
HERCULES
B3 SYNC INTERFACE
3431
+3v3STBY
7430
6430
+5VSW
3432 10
RES
11
6. 29
B5 AUDIO PROCESSING B16
4211
61 AUDOUTLSR AUDIO-R 3
4212
60 AUDOUTLSL AUDIO-L 1
7
PROTECT_AUD
8
SOUND-ENABLE
POR_AUDIO 9
OR
7601
TS482ID
2 1
6 7
OUT_MUTE
MUTE
7602
74HC08PW
HP_DET_R_DC_1
2
3 &
1 SOUND_ENABLE
6 &
5
POWER_DOWN
9
OUT_MUTE
8 &
EXT_MUTE
10
62
SC2_L_MON_OUT
63 SC2_R_MON_OUT
SC2_L
OUT_MUTE
MUTE
SC2_R
36 SC1_L_RF_OUT
37 SC1_R_RF_OUT
SC1_L
MUTE
SC1_R
B6 DC-DC CONVERTER
B1
4204
4205
5756
7754
+12VSW
3758
7755
B15A
B15A
B8
+3V3STBY
3759
B5
7756
B5
B6 B2
B15B
B15A
B15B
1202
24M576
C AUDIO AMPLIFIER
7001
TDA8931T
(CLASS-D)
7 16
OUT
7004
3 AUDIO-R 4
PHASE
IN+ 13
HVPI
INVERTER
1 AUDIO-L
7000
7 TDA8931T
8 7
SOUND-ENABLE
16
OUT
9
4
IN+
13
HVPI
FOR 26" & 32" ONLY
SA3
AUDIO
7700
TDA7490
1739
5731
5702
1 10
AUDIO-L 3
PWM
stby-
6
OSC
mute
5730
5701
3 AUDIO-R
18 23
PWM
7701÷7707
PROT1
1M02
8 SOUND-ENABLE
SOUND
9 POR-CLASSD ENABLE DCPROT 7
6703 3764
7708÷7711 -16 V-19V
1
7 PROT_AUDIOSUPPLY
AUDIO SUPPLY
6702 3761 +16 V+19V
PROT, CIRCUIT 5
FOR 37"ONLY
B17 SIDE D SIDE AV
CONNECTORS
HEAD_PH_L
HP_LOUT 10 10
HP_ROUT 12 12 HEAD_PH_R
HP_DET_R_DC_1 11 11 HP_DET_R_DC1
B2
B16
B2
B15A SCART ANALOG-IO
1G02-1
SC2_L_MON_OUT
3
SC2_R_MON_OUT
1
1G01-1
SC1_L_RF_OUT
3
SC1_R_RF_OUT 1
PAN_VCC
5757
LVDS_VCC
5700
+3V3SW
7758
1001
4
3
RIGHT
SPEAKER
2
1
LEFT
SPEAKER
1736
1
2
3
LEFT
1735
SPEAKER
1
2
3
RIGHT
SPEAKER
TO 1M02
A
SUPPLY
7
1
2
( ) For 37" - 42"
1
21
EXT 2
SCART 2
1
21
EXT 1
SCART 1
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