Block Diagram Audio - Philips MG8 Service Manual

Block Diagrams, Test Point Overview, and Waveforms

Block Diagram Audio

AUDIO
B03A MAIN TUNER
7T57
1T04
TDA9898HL
TD1716F/BHXP 1T55
6
1 4 IF-FILTP1
IF1-A
33
CVBS
MAIN HYBRID 2 5
IF-FILTN1 7
IF1-B
IF
TUNER
SAW 37MHZ67
PROCESSING
1T70
11 1 6 IF-FILTN2 10
IF-OUT2 IF2-B
10 2
7 IF-FILTP2 9
IF-OUT1 26
IF2-A
OUT1-A
SAW 36MHZ18
27
3 TUN-AGC 47 OUT1-B
RF-AGC TAGC
8 4-MHz 46
XTAL_OUT FREF
+5V
9 36
TUN-AGC-MON 16 AGC-DIN
MPP-2
VTUN
B03B CHANNNEL DECODER DVBT-T
7T17
TDA10048HN
7T18
43
AGC_TUN
AGC-COMP 32
RECEIVER
4-MHz 7
XIN
RESET-SYSTEM 41
B04E CLR
B09A
DIGI I/O: PCMCIA INTERFACE & BUFFERS
1N00
PCMCIA
CONDITIONAL
ACCESS
B08B
B07A ANALOGUE I/O: SCART 1 & 2
DIGI I/O: HDMI CONNECTORS +
DVI AUDIO INPUTS
1E01
1P34
1 AP-SCART-OUT-R
1 DRX2+
1
3 DRX2- 3 AP-SCART-OUT-L
4 DRX1+
EXT 1 7
6 DRX1-
11
7 DRX0+
2
9 DRX0- 15
16
10 DRXC+
6
20
12 DRXC- 21
HDMI 3
CONNECTOR
SCART1
(Optional) 1E02
1P33
1 AP-SCART-OUT-R
1 1
CRX2+
3
CRX2-
3 AP-SCART-OUT-L
4 CRX1+ 7
6 CRX1- EXT 2
11
2 AUDIO-IN2-R
7 CRX0+
15
9 CRX0- 16
6 AUDIO-IN2-L
10
CRXC+
20
21
12
HDMI 2 CRXC-
SCART2
CONNECTOR
B07B
ANALOGUE I/O: YPBPR_AUDIO OUT
1P32
1 BRX2+
1E03
3 BRX2-
4 BRX1+
AUDIO IN
6 BRX1-
L+R
7 BRX0+
9 BRX0-
10 BRXC+
HDMI 1 12 BRXC-
1E08
CONNECTOR
1P35
AUDIO OUT
1
ARX2+
L+R
3
ARX2-
7E10
4
ARX1+
A-PLOP
6
ARX1-
7
ARX0+
DIGITAL
9
ARX0- AUDIO
10 OUT
ARXC+
12
ARXC-
HDMI SIDE
B07C
CONNECTOR ANALOGUE I/O: SIDE AV
B08C
DIGI I/O: HDMI MUX
1E11
7P70
AD8197A-ASTZ AUDIO IN
L+R
CRX2+ 74 62 DRX2+
CRX2- 73 61 DRX2-
CRX1+ 71 59 DRX1+
CRX1- 70 58 DRX1-
B08B
HDMI DIGI I/O: HDMI CONNECTORS + DVI AUDIO INPUTS
CRX0+ 68 56 DRX0+
CRX0- 67 SWITCH 55 DRX0-
65 53 DRXC+
CRXC+
2
64 52 DRXC-
CRXC-
BRX2+ 12 AUDIO IN
3
L+R
BRX2- 11
4
BRX1+ 9
BRX1- 8
BRX0+ 6
BRX0- 5
3 34
BRXC+
OP0
2 33
BRXC-
ON0
ARX2+ 24 37
OP1
ARX2- 23
36
ON1
ARX1+ 21 40
OP2
ARX1- 20 39
ON2
ARX0+ 18 43
OP3
ARX0- 17
42
ON3
ARXC+ 15
44 RESET-SYSTEM
B04E
ARXC- 14
Q522.2E LA 6.
B04 B04 PNX8541 PNX8541
7H00
PNX8541E/M1
7T56
B04K ANALOGUE AV
EF
CVBS4 J3
IF-N M1
IF-P M2
42 TDA-IF-AGC
AGCT_CTL
DTV
3
VI-P
2
VI-M
B04N VIDEO
STREAMS
DATA
FE-DATA(0-7)
MDO(0-7) CA-MDO(0-7)
CA-MDI(0-7)
B04I AUDIO B04L AUDIO
7HM1
3EA8 7 5
AUDIO-CL-R ADAC(8)
AG7
3EA7
AUDIO-CL-L 1 3 ADAC(7) AG8
AUDIO-IN1-R AK6
AIN1
AUDIO-IN1-L
AJ6
7E01
A-PLOP
A-PLOP B04M
AG5
AIN2
AF5
AUDIO-IN3-L AH5
AIN3
AUDIO-IN3-R AJ5
B04I AUDIO
7HM1
AUDIO-OUT-L 8 10 ADAC(5) AJ10
AUDIO-OUT-R 14 12 ADAC(6) AK9
A-PLOP
B04M
7E03
EF
SPDIF-OUT AJ15
AUDIO-IN5-L AJ4
AIN5
AUDIO-IN5-R AK4
AUDIO-IN4-L AK5
AIN4
AUDIO-IN4-R AH4
B04H DIGITAL VIDEO
IN
HOT-PLUG
D10
B08D
RXC+
A10
HDMI-DVI RX/RX2DTL
RXC- A9
RECEIVER
RX0+ B7 DETECTION
MATRICING
RX0- B6
RX1+ A8
RX1- A7
RX2+ B9
RX2-
B8
42
B04Q PNX8541: FLASH
7HA0
PNX8541 NAND512W3A2BN6E
B04F CONTROL
PCI
NAND
FLASH
PCI XIO
PCI-AD <-> NAND-AD
512Mx8
B04G
PNX 8541: DDR2
7HG0
EDE2516ACSE
B04G DDR2
(0-12) DDR2
SDRAM
8Mx16x4
DDR2-D(0-15)
7HG1
DDR
EDE2516ACSE
DDR2
DDR2-A(0-12)
SDRAM
8Mx16x4
(16-31)
B04I B10A CLASS D
PNX 8541:
AUDIO
B04L AUDIO
9HM1
AJ13 ADAC(1)
DAC
9HM2
AK12 ADAC(2)
DAC
AUDIO-MUTE
I²C
Main MEMORY
ADC DEMDEC
CONTROL
Main
Delayed
DAC
B04A
SPDIF DECODING, PNX 8541: STANDBY CONTROLLER
EPICS
MULTICHANNEL,
DOWNMIX AND SRC
W2
B04A STANDBY
CONTROLLER
SPDIF OUT
DELAYED
V4
B04M
PNX 8541: AUDIO
B04M
A-PLOP
B07A
B07B
7HV3
AH11 ADAC(3) 2
DAC
AH10 ADAC(4)
6
7D10
TDA8932BTW/N2
27
2
+AUDIO-L
OUT1
IN1P
CLASS D
POWER
AMPLIFIER
-AUDIO-R 14
IN2N
22
OUT2
7D11
7D12
7D13
7D15
B02A
5 AUDIO-PROT
DC
ENGAGE
DETECTION
7U00
6D01
DETECT1
B04A
CONTROL
6H00
AUDIO-MUTE-UP
AUDIO-MUTE
6H03
AUDIO-RESET
B07C
ANALOGUE I/O: SIDE AV
7HVA
AUDIO-RESET
1 HP_LOUT
HP_ROUT
7
7HV4
HP-DETECT
7HV5
B04A
A-PLOP
A-PLOP B04M CONTROL
1D12
Speaker L
1
2
Speaker R
3
4
DC / DC 3V3_1V2
SUPPLY-FAULT
B04A
CONTROL
2
3
4 Headphone
Out 3.5mm
I_18010_051.eps
120608