Block Diagram Audio - Philips FTP2.4E Service Manual

Block Diagrams, Testpoint Overviews, and Waveforms

Block Diagram Audio

AUDIO
IF I/O 4 AUDIO
B2 B14D
SEE ALSO
BLOCK DIAGRAM
+8VP
VIDEO
7323
TDA9321H 7410
3380
5 SOUND-OUTPUT
HIP
QSS_AM
MAIN
7I17
TEA6422D
MATRIX
B14B I/O 2 CONNECTIONS
SWITCH
2x SCART
13
ROUT1
1 1I01
12
4 AL-SC1-IN 4 LOUT1
L1
EXT 1
AUDIO
6 AR-SC1-IN 25
R1
L/R IN
SCART 1
1I04
B14c
4 AL-SC2-IN 5
L2
EXT 2
B14c
AUDIO
6 AR-SC2-IN 24
R2 15
L/R IN
ROUT2
21 SCART 2 14
LOUT2
H SCART 3 B21
7515
74HC4053
1I11
4
SNDL-SC3-IN 3
EXT 3
AUDIO
13
6 SNDR-SC3-IN
L/R IN
SCART 3 4 6 6 R-FRONT-IN 20
R4
D SIDE I/0
L-FRONT-IN
14 8 8 9
L4
1002
6 6
FRONT-L 12
FRONT
AUDIO
8 8
FRONT-R 5
L/R IN
18
SEL_FRONT_SC3
R6
B14H I/O 8 11
L6
1I11
MMC
4 SNDR-BO-OUT 23
R3
TO 1500
K SNDL-BO-OUT
6 6
L3
DVB MODULE
B14C I/O 3
1I07
SNR-DVI-IN
B6a
DVI
AUDIO
SND-DVI-IN
B6a
L/R IN
B14B I/O 4 SWITCH
1I06
CENTER SND-CENTER-IN
B6a
IN
CONTROL
SIDE I/O SCART 3 CONNECTIONS
D H B21
HEADPHONE-OUT
FRONT
1 1 7 7
DETECT
E TOP CONTROL J LED + SWITCH
7030
7031
7032
BLACKLIGHT-TC
4 4 BLACKLIGHT-TC
CONTROL
6x
1 1
KEYBOARD 2 2 KEYBOARD
6060
ON / OFF
CHANNEL+ LED1 3 3 LED1
CHANNEL-
BLUE
VOLUME+
VOLUME- 1040
MENU RC-IN 4 4
IR
SENSOR
5Y11
10 10
+8V +8V
6070 7070
LIGHT-SENSOR 5 5
2 7
LIGHT
7 7
SENSOR LED2
8 8
6051
LED2
9 9
RED 5Y12
10 10
+5V2-STBY +5V2-STBY
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FTP2.4E AB 6.
AUDIO DEMODULATOR
B6A
7A02
MSP3411G
IF1
50
LOUD-
PRESCALE
DE- SPEAKER
ADC
MODULATOR PRE-PROCESSING SOUND
IF2
PROCESSING
SND-CENTRE-IN 47 MONO-IN
SNDR-MAIN-IN 45 HEADPHONE/
SURROUND
SNDL-MAIN-IN 44
SOUND
PROCESSING
SNDR-SC2-IN 42
SCART
SC1
SNDLSC2-IN DSP
41
INPUT
SOURCE
SELECT
SNDR-DVI-IN 39
SELECT
SC3
ADC PRESCALE
SNDL-DVI-IN 38
SNDR-SEC-IN 36
SC4
DAC
SNDL-SEC-IN 35
DAC
I2S-DPL-OUT 12
I2S
I2S-DPL-CLK 15
N.C.
INTERFACE
I2S-DPL-WS 14
SNDR-MON-OUT
SNDL-MON-OUT
B6D AUDIO DEALY
I2S-MSP-OUT
7A07
MC33178D
I2S-MSP-IN
HPN-L
3 1 HEADPHONE-L
AUDIO
I2S-MSP-CLK
DELAY
HPN-R
5 7 HEADPHONE-R
CONNECTIONS
B5A
7001
SAA5801H
77
R-TXT
B14H
78 G-TXT
SEE ALSO
FRONT-DETECT BLOCK DIAGRAM
114
OTC 79 B-TXT VIDEO
+5V2-CON
7002 :
7004 80 FBL-TXT
74
RESET
RESET
88 SDA-F
7005
LF33AB 7013, 7014
RESET
IN OUT +3V3 87 SCL-F
INTOTC FLASH RP
SEE ALSO
RAM
IIC DIAGRAM
86 SDA-S
STATUS_SC3 109
B14B
85 SCL-S
STATUS_SC4 108
B14B
POR-FLASH 99
B4
119
IRQ-DIGITAL 98
B14H
SDM
96
CVBS-TXT 5 6005
B2
HD3-EPLD 83
B3A
VD-EPLD 84
B3A
104 STANDBY
B21
95 SOUND-ENABLE
B14H
94 RESET AUDIO
+3V3_INTOTC
B6A
7009
P50
B14B
97
116 SEL_IN_1
B21
KEYBOARD 107
B14E
9ID0 7010
ON-OFF-LED
7011 7007 7006
113
91 SDA M24C64 MSM51V18165F M29W320DT
5
PROGRAM
+5V2_CON EEPROM DRAM
FLASH-RAM
RC 100 SCL NVM. (TXT)
SET SW
92 6 4kByte 16Mbit
32Mbit
110
LIGHTSENSOR
ADDRESS
DATA
CONTROL
LED2 7022 16
115
1001
17 6Mhz
+3V3_INTOTC
13
CONNECTIONS
B21
7A03
LM833D
20 5 7 AUDIO-R
LOUD
DAC
21 3 1 AUDIO-L
17
HPN-R
18
HPN-L B14B I/O 2 CONNECTIONS
DAC
B6C
7A00-1
1I06
23 DACM-SUB AUDIO_SW 9A65 SUBW SUBW
DACM-SUB
OUT
B14D I/O 4 AUDIO
1I01
2x SCART
2IA2
28 SNDR-SC1-OUT-DC 3
SNDR-SC1-OUT
2I99
1
SCART 29 SNDL-SC1-OUT-DC SNDL-SC1-OUT
OUTPUT
SELECT SCART 1
7I20
1I04
25 SNDR-MON-OUT 2
3
SC 15 SNDR-SC2-OUT
1
26 SNDL-MON-OUT 5
1
4 SNDL-SC2-OUT
61 3
SCART 2
5 I2S-MSP-OUT 9.10
7I22-B
6 I2S-MSP-IN
REG-SW
I2S-MSP-CLK
3
1I05
SNDR-MON-OUT
AUDIO
SNDL-MON-OUT L/R OUT
CONNECTIONS SCART 3 SIDE I/0
B21 H D
HEADPHONE-OUT
10 10 FRONT-L 10 10 L
11 11 11 11 R
FRONT-R
7 7 7 7
FRONT-DETECT DETECT
B5A
AL AMBILIGHT
7001 7018
P87LPC760 7009 7015
1M49
14
1 7
SCL
TO 1M49
B21 2 MICRO
CONTROLLER
7019
7010
3 6 7016
See also
SDA
block diagram
12
4
I2C 8
RXD
1M48
1 7020
7011
7017
TO 2nd
AMBI LIGHT 2
13
PWB
(Optional)
3
SAM
B21
7012
M29W400DT
B5C OTC-FLASH
EPG-
FLASH-RAM
4Mbit
RP
(OCTAL BUS TRANSCEIVER)
7018 74LVC245APW
7019 74LVC245APW
1404
AUXILIARY SSSS811
FLASH
PROGRAM
CIRCUIT
FOR
FLASH RAM SWITCH FOR
SOFTWARE
DOWNLOAD
AUDIO AMPLIFIER
C
-19V-16V +19-16V
7701
7702 TDA8925ST 8,10 5,13
LM393PT
AUDIO-R 3 3 AUDIO-R 3 1 17
12
SW2 OUT2
AUDIO-L 1 1 AUDIO-L 5 7
CLASS-D
AMPLIFIER
6
EN1
2 2
1
7
SW1 OUT1
4 4
GND-AUD
1
7706 ÷ 7713
SOUND-ENABLE 8 8 SOUND-ENABLE DCPROT
SOUND
B5A B5A
ENABLE
7Y01 9 9 POR DC
POR
+5V2-STBY
SA
7715 ÷ 7717
6704
3742
7010
AUDIO
7 7 PROT-AUDIO-SUPPLY
SUPPLY
3752 6705
PROT, CIRCUIT
B14H
PROT-AUDIOSUPPLY_IBO
21
1M11
5014
RED
11
5015 BLUE
6
5016 GREEN
1
1M12
1
2
3
1735
5702 1 R
3716 15W/
3
8Ω
1736
5700 1 L
15W/
3704
3 8Ω
1M02
7
6
+19-16V TO 1002
5
A6
4
+19V-16V FHP SUPPLY
OR CN1M02
3
SDI SUPPLY
-19V-16V -19V-16V
2
1
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