Block Diagram Audio & Control - Philips 32PF9968/10 Service Manual

Block Diagrams, Test Point Overviews, and Waveforms
Block Diagram Audio & Control
AUDIO
B1 TUNER & IF
1102
UV1338/A
2106 1104
IF-TER
11 2
IFOUT
RF IN TUNER
3
4
5
B23
CINCH ANALOGUE (1FH)
1R06
SC1_COMP_AV1_L_IN
CVI-1
AUDIO
SC1_COMP_AV1_R_IN
IN L/R
1R03
4R62
SC2_L_IN
AV
4R63
SC2_R_IN
AUDIO
IN L/R
B22 B12
DIGITAL IO HDMI
3Q30
AV3_L AV3_LEFT
PC
3Q31
AUDIO
AV3_R AV3_RIGHT
IN L/R
7D03
SII9993CT
1Q01
1 97
RX2+
HDMI
3 RX2- 96
PANELINK
4 RX1+
92
RECEIVER
6 RX1- 91
7 RX0+ 87
9 RX0- 86 30
SDO
31
10
RXC+ 84 WS
32
SCK
12
RXC- 83 81
HDMI EXT-RES
D B17
SIDE I/O SIDE CONNECTORS
1M36 1K04
1002
(1304)
(1302) (1K01)
L_FRONT_IN 6 6
AUDIO
L/R IN R_FRONT_IN 8 8
( ) ONLY FOR 32"
CONTROL
E B17
CONTROL BOARD SIDE CONNECTORS
Channel+
Channel-
Menu
Volume+
Volume-
2 2
Power
( ) ONLY FOR 32"
J
LED PANEL
+3V3-STBY
7802
3
VS
2
1 3 3
GND
OUT
7808
1 1
+3V3-STBY
6801-2
7804 7801 2 2
Green
6801-1
3802
Red 7803
+3V3-STBY 5 5
4 4
6 6
LC4.8L LA
B2 HERCULES
7217
TDA15021H
VIF1 24 AM
7
QSS Mixer
AM Demod. QSS/FM
25
8 VIF2
33 AD Conv.
Std Stereo
Decoder
34
SC1_COMP_AV1_L_IN
SC1_COMP_AV1_R_IN 35
I2S
Processor
SC2_L_IN_1 56
SC2_R_IN_1 57
7D05
12
15 AudioIN2L 53
13 AUDIO
SELECT
2 14 AudioIN2R 54
ADC/DAC
1
10,11
AV3_HDMI-AUDIO_SEL
B7
7D04
UDA1334BT
14
DAC
16
3
DATAI
2
WS
1
BCK
6
SYSCLK
FRONT_L_IN 49
FRONT_R_IN
50
( ) ONLY FOR 32"
B2
HERCULES
HERCULES
B3
SYNC INTERFACE
3431
+3v3STBY
+3V3STBY
7430
6430
+5VSW
10
11
6. 20
B5 AUDIO PROCESSING
4212 4618
60
AUDOUTLSL AUDIO-L
4211 4619
61 AUDOUTLSR AUDIO-R
AUDIO
CONTROL
Vol/Treb/
Bass
SOUND-ENABLE_1
Features
POR_AUDIO
DACs B5
TO SUPPLY
7601
TS482ID
36 SC1_L_RF_OUT
2 1
N.C.
37 SC1_R_RF_OUT
6 7
OUT_MUTE
62
63
OUT_MUTE
POR_AUDIO
B16
B1 OUT_MUTE
4022
B1
B1
B5
B5
B6
B6
1202
SA
B16 AUDIO
TOP CONN.
7700
TDA7490
5J01
1 1 AUDIO-L
5J02
3 3 AUDIO-R
7701÷7707
SOUND-ENABLE
8 8
SOUND
9 9 POR-CLASSD ENABLE
7708÷7711
1J00
AUDIO
PROT_AUDIOSUPPLY
8 7 7
SUPPLY
PROT, CIRCUIT
ONLY FOR 37"- 42" SETS
C CLASS D AUDIO
AMPLIFIER
1 AUDIO-L
7004
3 AUDIO-R PHASE
INVERTER
8 SOUND-ENABLE
ONLY FOR 32" SETS
B17 D
SIDE SIDE I/O
CONNECTORS
3632
HP_LOUT 10 10
3633
4K02
HP_ROUT 11 11
7 7
N.C.
MUTE
7602
74HC08PW
( ) ONLY FOR 32"
2
B23
CINCH ANALOGUE (1FH)
3 &
1 SOUND_ENABLE
4 B2
6 &
5
POWER_DOWN
9
B16
8
&
10 EXT_MUTE
B2
12
11
& 3628
13
+5V
SC2_L_MON_OUT
SC2_R_MON_OUT
SC2_L
MUTE
SC2_R
+16V+19V
4,22
1736
5731
5701
10 3 1
PWM
3718
3
6 stby-mute
OSC LEFT
1735
SPEAKER
5730
5702
18 1
23
PWM
3717
3
2,24
-16V-19V
RIGHT
PROT1 1M02 SPEAKER
DCPROT 7
6
TO 1002
+16 V+19V
6703 5 SA
3764
-16 V-19V 2 SUPPLY
6702 3761 -16 V-19V 1
+16 V+19V
1736
TO J03
VP
1
B16
VP
7000
SSB
TDA8931T 18
1001
5006
7 2
16
OUT
4
1
IN+ 13
HVPI
LEFT
VP
7001
SPEAKER
TDA8931T 18
7
5007
16 3
OUT
4
IN+ 4
13
HVPI
RIGHT
SPEAKER
SOUND L-HEADPHONE-OUT
2
SOUND R-HEADPHONE-OUT
3
5
DETECT
( ) ONLY FOR 32"
1R07
SC2_L_MON_OUT
SC2_R_MON_OUT
H_16980_060.eps
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