Block Diagram Audio - Philips 50pf9966 Service Manual

Block Diagrams, Testpoint Overviews, and Waveforms

Block Diagram Audio

AUDIO
IF
AUDIO I/O
B2 B14D B6A AUDIO I/O
SEE ALSO
BLOCK DIAGRAM +8VP
VIDEO
7323
TDA9321H
3380 7410
5 SOUND-OUTPUT
B65
(FOR AP)
HIP QSS_AM
MAIN 1411
(FOR US)
10 3437
7I17
TEA6422D
4 SND-CENTRE-IN
I/O
B14B 25
R1
B14b
6
24 13 SNDR-MAIN-IN
R2 R1
1I01-1 MATRIX
3 12 SNDL-MAIN-IN
SWITCH
AL-SC1-IN L1
R3
AUDIO IN
10
L+R 4
AR-SC1-IN 20
R4
2
19
1I04 SNDR-DVI-IN
R5
5
AL-SC2-IN 11
B14c SNDL-DVI-IN
18
AUDIO IN
R6
L+R AR-SC2-IN 6
B14c SNDR-SEC-IN
15
R2
3 B6a SNDL-SEC-IN
14
4
L1 L2
5 B6a
5
B21 17
L2
R3
16
SIDE I/O
D L3
L3
9
9
L4
1
1002
10 10
L5
FRONT-L
12
AUDIO IN
11
FRONT-R 9 L6
L+R
SNDR-MON-OUT
11
SNDL-MON-OUT
12
PIP-AM SEE ALSO
2
B15A BLOCK DIAGRAM
VIDEO
PIP-FM
1
B15B
B14C
1I07
SNR-DVI-IN
B6a
AUDIO IN SNDL-SEC-IN
B6a
L+R SND-DVI-IN
B6a
B14B
B6a SNDR-SEC-IN
1I06-1
SND-CENTER-IN
B6a
CENTRE IN
PIP IF
B15A B15B PIP I/O
SEE ALSO
BLOCK DIAGRAM
VIDEO
7P09
7P56
TDA9321H 7P05
M62320
3P26
10
SEL-PIP-SOUND1
QSS_AM
3 4
SDA-S
I/O
PIP
EXP
VIFOUT SEL-PIP-SOUND2
2
SCL-S 6
7P07-1
1P07
3P38
SIF-OUT 3P93 7P55-M
7P07-2
PIP-AM
B14D
(ONLY FOR DUAL WINDOW)
(ONLY FOR DUAL WINDOW US)
FTP2.2U AA
7A02
MSP34x1G
50 IF1
LOUD-
PRESCALE SPEAKER
DE-
ADC
MODULATOR PRE-PROCESSING SOUND
IF2
PROCESSING
47 MONO-IN
45
HEADPHONE/
SURROUND
44
SOUND
PROCESSING
42
SC1 SCART
DSP
41
INPUT
SOURCE
39 SELECT
SELECT
SC3
ADC PRESCALE
38
36
SC4
DAC
35
SCART
DAC
OUTPUT
SELECT
I2S-MSP-OUT 5
I2S
I2S-MSP-WS 4
N.C.
INTERFACE
I2S-MSP-CLK 3
7A06 (N.C. FOR DUAL WINDOW)
TDA7309
7A07
MC33178D
17
18
2 HPN-L
3 1
20
14
HPN-R
13 9 5 7
11
(ONLY FOR DUAL WINDOW)
7P55
TDA9820T
BLOCK DIAGRAM CONTROLS
SIDE I/O
D
PIP-FM
FM 8 HEADPHONE-OUT
B14D
INTERCARRIER
SOUND
DEMODULATOR
(MONO)
3
E TOP CONTROL
LED + SWITCH
J J
6060
BLUE
6051
RED
1040
IR
SENSOR
7070
LM358P
2 7
6070
LIGHT SENSOR
6. 25
CONNECTIONS
B21
7A03
B66 LM833D B68
AUDIO-R
20 5 7
LOUD
DAC
AUDIO-L
21 3 1
B67 7A00-A B69
23 AUDIO-SW
3 1
DACM-SUB
IRQ-AUDIOSUPPLY
FRONT-DECT
17 B5A
HPN-R
(N.C. FOR DUAL WINDOW)
18
HPN-L
I/O
DAC 18 MSP-CENTER B14B
N.C.
18
MSP-SURR
N.C.
7A00
B6C
LM833D
1I06-1
DACM-SUB SUBW
23 5 7 AUDIO_SW 9ID0
B14D
SNDR-SC1-OUT-DC
28
SNDL-SC1-OUT-DC
29
1I09
SNDR-MON-OUT
25
SNDR-SC2-OUT
SC
SNDL-MON-OUT AUDIO OUT
26
SNDL-SC2-OUT
61
12 I2S-DPL-OUT
15 I2S-DPL-CLK
N.C.
14 I2S-DPL-WS
1I06-2
SNDR-MON-OUT
AUDIO OUT
SNDL-MON-OUT
SIDE I/O
B21 CONNECTIONS D
1M36 1M36 HEADPHONE-OUT
HEADPHONE-L
10 10
L
HEADPHONE-R 11 11
R
FRONT-DETECT
7 7
B5A
DETECT
CONNECTIONS OTC FLASH
B21 B5A
B2
1M36 1M36
FRONT 7 7
B3A
SEE ALSO
DETECT BLOCK DIAGRAM
VIDEO
B3A
3073-2
(NOT FOR DUAL WINDOW)
+5V2-CON
7005
LF33AB
0345
6x IN OUT
KEYBOARD 2
ON / OFF
1
CHANNEL+
CHANNEL- B14B
VOLUME+
VOLUME- B14B
MENU
0345
KEYBOARD 2
B14B
1M20 1M20
1 1
KEYBOARD
CON-SND
2 2 B14E
LED1
LED1 3 3 9ID0
RC-IN 4 4 RC
LIGHT-SENSOR 5 5 LIGHT_SENSOR
5Y11
+8V 6 6
+8V
7 7
8 8
LED2 9 9 LED2
+5V2-STBY 10 10 9Y06 +5V2-STBY
SCL-SF
SCL-S 11
11
SDA-SF
SDA-S 12
12
PDP AUDIO
C
-16V-19V
7700
TDA7490
I722
AUDIO-R
AUDIO-R 1M52 1739 18
1
AUDIO-L 1
2 2
3 3
6
STBY-MUTE
GND-AUD
4 4
N.C. 5 5
+5V2-STBY
AUDIO-SW
6 6
AUDIO-L
10
7010
7 7
I711
8 8
9 9
SOUND-ENABLE
-16V-19V
B5A B5A
7Y01
POR
SA
L+R
7701 : 7707
SOUND-ENABLE
SOUND
ENABLE
POR-CLASSD
L+R
PROT-AUDIO-SUPPLY
B3A B19C
7001
SAA5801H
R-TXT 3858 R-OSD
CVBS-TXT 5 77
G-TXT G-OSD
3859
7015 78
HD3-EPLD 83
B-TXT B-OSD
3860
OTC 79
7016
FBL-TXT 3861 BL-OSD
80
VD-EPLD 84
88 SDA-F
7
CVBS-Y-RECORD-IN
N.C. SEE ALSO
BLOCK DIAGRAM
114 87 SCL-F VIDEO
SEE ALSO
7002 :
IIC DIAGRAM
7004
86 SDA-S
74
RESET
RESET
85 SCL-S
7013, 7014
RESET
+3V3
FLASH RP 90 TXD
INTOTC
RAM
N.C.
89 RXD
STATUS_SC3 109
3099-3 3081
SAM
STATUS_SC4 108 119
3074-4 3097 SDM
POR-FLASH 99 96
B4
6005
2016
IRQ-DIGITAL 98
N.C.
HD@HOME 93
104 STANDBY
N.C.
SA
95 SOUND-ENABLE
IRQ-FTV 96
N.C. A-PLOP B14B
B6A
94 RESET AUDIO
CON-SND
118
SA
117 7516
SEL_IN_2
N.C. 74HC4053
P50 7009
116 SEL_IN_1
H
PWW-BLACKLIGHT
97 103
B5B
120
7008
7012
ON-OFFOLED 7011 7007 7006
MC24C32 MSM51V18165F LH28F320BJE M29W400BT
91 SDA
5
7022
PROGRAM
115 EEPROM DRAM EPG-
FLASH-RAM
6
NVM. (TXT) FLASH-RAM
SET SW
+3V3 92 4kByte 16Mbit 4Mbit
LED2 32Mbit
SCL
7022
115
+3V3
ADDRESS
RC 100
DATA
KEYBOARD 107
CONTROL
LIGHTSENSOR 110 16
1001
17
6Mhz
+16 +19V
24 22
1735
I778
5730
5702
23 1 R
PWM
15W/
3 8Ω
3717
OSC
1736
I776 5731
3 5701 1
L
PWM
15W/
3 8Ω
3718
2 4
+16V+19V
+16V+19V
DCPROT
3745
PROT1 6745
1M02
DCPROT
7
6
AUDIO TO 1002
SUPPLY +16V+19V
5 A6
PROT, CIRCUIT
SUPPLY
4
3
-16V-19V
2
1
OTC-FLASH
B5C
RP
(OCTAL BUS TRANSCEIVER)
7018
74LVC245APW
7019 74LVC245APW
1404
AUXILIARY SSSS811
FLASH
PROGRAM
CIRCUIT
FOR
FLASH RAM SWITCH FOR
SOFTWARE
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