![Philips BJ2.4U Service Manual Download Page 44](http://html.mh-extra.com/html/philips/bj2-4u/bj2-4u_service-manual_1546048044.webp)
44
BJ2.4U/BJ2.5U PA
6.
Block Diagrams, Test Point Overviews, and Waveforms
Block Diagram Audio
AUDIO PDP
B4
PNX2015
B3E
AUDIO AMPLIFIER
B7B
HDMI: I/O + CONTROL
B7A
HDMI
B5B
VIPER: MAIN MEMORY
B3D
MPIF MAIN: AUDIO SOURCE SELECTION
B2B
MAIN TUNER + OOB TUNER
B10C
COMMON INTERFACE:
PART 3
B10A
COMMON
INTERFACE: PART 1
B3G
MPIF MAIN:
CONNECTIONS B
BE2
EXTERNALS B
B2A
CHANEL
DECODER
B5
AUDIO VIDEO I/O
D
SIDE I/O
BE2
EXTERNALS B
B3F
MPIF MAIN:
CONNECTIONS A
C1
AUDIO LEFT RIGHT
C2
PROTECTION /
MUTE CONTROL
C2
B3G
MPIF MAIN:
CONNECTIONS B
B3E
MPIF MAIN:
AUDIO AMPLIFIER
D
SIDE I/O
BE2
EXTERNALS B
B3F
CONNECTIONS A
1060
1002
1002
7J00
PNX2015E
ADAC1
ADAC2
ADAC7
ADAC8
PNX2015
U2
U3
U4
V5
V4
I2S-MCH-LR
I2S-MCH-CSW
I2S-MCH-SLR
I2S-SUB-D
I2S-MAIN-D
7V00
PNX8550EH
VIPER
I2S_OUT1_SD0
I2S_OUT2_SD0
I2S_OUT2_SD1
I2S_OUT2_SD2
I2S_OUT2_SD3
V3
I2S-WS-MAIN
I2S_IN1_WS
V2
I2S-BCLK-MAIN
I2S_IN1_SCK
MPIF
7C00
PNX3000HL
AUDIO-IN1-L
AUDIO-IN1-R
AUDIO-IN2-L
AUDIO-IN2-R
AUDIO-IN5-L
AUDIO-IN5-R
86
85
84
83
128
127
DSNDR2
DSNDL2
DSNDR1
DSNDL1
72
73
74
75
AC3
AD3
AE3
AF3
2
7
8
1C52
SIFINP
SIFINN
VIFINP
VIFINN
99
100
107
108
IF
AUDIO
AMPS
AUDIO SWITCH
(ANALOG OUT)
AUDIO SWITCH
(DIGITAL OUT)
L1
R1
L2
R2
L5
R5
DSND
LINE / SCAR
T L/R
A
D
LPF
DLINK1
DLINK2
SEE ALSO
BLOCKDIAGRAM
VIDEO
AUDIO SWITCH
AM SOUND
SPDIF-IN1
7A13
1
4
1
2
3
SPDIF-IN1
SPDIF-OUT1
B3f
B3f
B3f
B3f
B3f
B3f
DATA LINK 2
DATA LINK 3
DATA LINK 1
D
A
T
A
LINK
I2D
AUDIO
PROCESSING
I2S
IN
I2S
OUT
DEM DEC
DV4-DATA
HDMI
CONNECTOR
HDMI PANELLINK
RECEIVER
7B11
TDA9975
RX2-
RX2+
RX1-
RX1+
RX0-
RX0+
RXC+
RXC-
AUDIO
MULTIPLEXED
WITH VIDEO
SEE ALSO
BLOCKDIAGRAM
VIDEO
B3d
B3d
B3d
ADCAC12
ADCAC11
ADCAC10
ADCAC19
SPDIF-HDMI
AA27
A7
AC30
SPI-OUT1
11
12
AB29
10
13
DV5-DATA
68
67
B3d
AUDIO-OUT2-R
AUDIO-OUT2-L
SPI-1
SPI-OUT
B3g
B3g
SPDIF-HDMI
BRX2+
ARX2+
1
2
19
18
HDMI
CONNECTOR
1
2
19
18
B3f
B3f
B3e
B3e
T28
T27
R30
U27
R29
T29
T30
B5C
CLK-MPIF
40
M4
MT46V32M16P
2X DDR
SDRAM
8Mx16
MM_DATA(0-15)
MM_A(0-12)
7V01
7V02
DDR
INTERF
A
C
E
HDMI
receiver
HDCP
Packet
extraction
Audio FIFO
Audio PLL
Audio
Formatter
Termination
Resistance
Control
AVIP
DV
INPUT
1B01
1B02
B3d
69
70
AUDIO-OUT1-R
AUDIO-OUT1-L
B3f
B3f
B3C
L
R
AUDIO IN
L+R
28
28
31
31
30
30
1E40
1E40
1T04
TD1336O
MAIN
HYBRID TUNER
12
SPI-1
AUDIO-IN1-R
AUDIO-IN1-L
AUDIO-IN2-R
AUDIO-IN2-L
EXT 2
AUDIO IN
L+R
EXT 1
AUDIO IN
L+R+DIG
27
27
6
6
8
8
1M36
1M36
8
8
1E62
1E62
AUDIO-IN5-L
AUDIO-IN5-R
36
36
37
37
SPI-1
AUDIO-IN5-L
AUDIO-IN5-R
AUDIO-IN1-R
AUDIO-IN1-L
AUDIO-IN2-R
AUDIO-IN2-L
1001
SPI-OUT
DIGITAL
AUDIO
OUT
SPI-OUT
10
10
AUDIO-OUT1-R
AUDIO-OUT1-L
AUDIO-OUT1-R
AUDIO-OUT1-L
13
13
14
14
AUDIO OUT
L+R
B3d
B3d
1040
FOR MORE MORE DETAILS
SEE ALSO BLOCK DIAGRAM
VIDEO AND CONTROL
DTV
CABLE AND
TERRESTRIAL
RECEIVER
7TG0
NXT2003
COMMON
INTERFACE
HARDWARE
CONTROLLER
7P03
STV0701
POD
POD-DATA
To
DV1 VIPER
BUFFER
7P76
7P77
DATA
B5C
FE-DATA
CATV
OUT OF BAND
TUNER
B3d
AUDIO/VIDEO
B4G
A/V + TUNNELBUS
7T43
UPC3220GR
7A04-1
7A04-2
AUDIO-L
AUDIO-R
ADAC8
7A09
AUDIO-HDPH-L-AP
7A11
AUDIO-HDPH-R-AP
1M36
ADAC7
CONTROL
A-PLOP
SOUND-ENABLE
7
7
11
11
10
10
1M36
Headphone
Out 3.5mm
B5A
PROT-AUDIOSUPPLY
B4E
AH1
AG1
AB1
AA1
G_15930_067.eps
130606
3A55
3A66
SOUND L-HEADPHONE-OUT
SOUND R-HEADPHONE-OUT
1E40
20
20
19
19
1E40
AUDIO-HDPH-L
AUDIO-HDPH-R
DETECT
N.C.
7A05-4
7A05-3
1010
(1303)
2
3
5
ADAC1
ADAC2
1736
3
1
LEFT
SPEAKER
1M52
1M52
LEFT-SPEAKER
7D00-01
7D00-2
AUDIO-L
AUDIO-R
7D10-1
7D10-2
-12-15V
+12-15V
CONTR
OL
RIGHT-SPEAKER
7D35-1
7D35-2
-12-15V
+12-15V
CONTR
O
L
7DF7-1
7DF7-2
CONTR
OL
SOUND-ENABLE
DC-PROT
CPROT
CONTROL
MUTE
7DF3÷7DF4
7D05÷7D09
7D30÷7D34
1
1
3
3
8
8
1735
3
1
RIGHT
SPEAKER
TO
SUPPLY
1M02
1
2
3
5
6
7
-12-15V
+12-15V
3DF2
3DF3
7
7
AUDIO-PROT
INV-MUTE
C1
C1
G_15930_065.eps
130606