Philips A02U AA - Block Diagram 2 Audio & Video

Block Diagrams, Testpoint Overview, and Waveforms
25A02U AA 6.
Block Diagram 2 Audio & Video (A02 NAFTA Video Audio class-B Output)
A8
DAC
Rev 0.4 26-Dec-2003
DDEP
Down
Mix
Preprocessing SRC
Dematrix
and Select
Level
Adj.
I/P
X-Bar
I2SOUT
O/P
X-
Bar
Noise Shaper
Demodulation and Decoding DSP
AUD_SPK_SW
AUD_SPK_R
AUD_SPK_L
AUD_SPK_C
AUD_SPK_SL
AUD_HP_R
AUD_HP_L
DSNDL1
DSNDR1
DSNDL2
DSNDR2
SSIF
ADOC SOUND & AUDIO PROCESSING
7433
7432
7434
7431*
7430*
DRIVE
ADJUST
CDAC
BLENDER
CONTROL
ADC
LEAKAGE
COMPASATOR
7310
7330
R-CRT
G-CRT
B-CRT
CUTOFF
ROUTP
GOUTP
BOUTP
DRIVE
ADJUST
CDAC
RGB
CUTOFF
RGB
GAIN
BLENDER
CONTROL
ADC
LEAKAGE
COMPASATOR
FIXED
BEAM
CURRENT
SWITCH
OFF
GFX
ROUTP
BOUTP
IBC
IBCRANGE
ADOC RGB
7300-H
R
G
B
7320
5
2
7330
3
3
38
8
8
CRT
5
R
G
B
SCAVEM
PROC.
SCAVEM
COIL
Y-SCAVEM-IN
CUT_OFF
EHT-INFO
HFB_X-RAY-PROT
200V
3403
TO/FROM 1424
OF LSP
4
7
1424
7
8
9
11
4
2
1940 1940
5
7
8
9
11
4
2
CRT PANEL
SIMM
CONN
EHT-INFO
41
25
24
23
21
EHT-INFO
HFB_X-RAY-PROT
33
32
76
73
75
74
68
67
AUDIO-R
AUDIO-L
AUDIO-SW
AUDIO-SURR
AUDIO-C
HEADPHONE-R
HEADPHONE-L
EHT
FOCUSA FOCUSB
FROM LOT
3349
3347
3334
+8V
66
+8V
1434
21
VG2 VG1
5300
2
1
1483
MIPS
EBIU
SRAM
128KB
PI-PI
BRIDGE
GFX
GEN
GPIO
I2C
A/DADC
TIMER
GFX
FAST
PI_BUS
SLOW
PI_BUS
1581
2582
2581
KEYBOARD
FRONT-DETECT
STATUS1_PIP-AFT-50-60HZ
SEL-SHVS-RR_STATUS2
LIGHT-SENSOR
RC5
SDA0
SCL0
SDA1
SCL1
ON-OFF-LED
SEL-IF-LL
SOUND-ENABLE
SEL-2FH-SRC_STATUS3
DEGAUSS
STANDBY
VDDCO VDDE
MPIF-IRQ
W
E
G
VDDE
7790
VDDE
CONTROL
SEL-2FH-SRC_STATUS3
DTV_EXPENSION
COMM_LINE (SCART)
F_REF
ADOC-uP & CONTROL
POR_FLASH
EXT. STEREO
EXT. MONO
79
37
78
77
36
80
51
KEYBOARD
RC5
LIGHT-SENSOR
TOP CONTROL
(FOR PV2 & PV0)
2
1091~4
FRONT INTERFACE
(FOR PV0 & PV2 STYLING)
0203
2
5
1002
1008
SIMM
CONN
STANDBY
DEGAUSSING
SOUND-ENABLE
7701
+16V+19V
Ext/Int. PASSIVE
SUBWOOFER
1740
2
4
3
4
RIGHT
LEFT
1
SOUND
ENABLE
POR
13
14
12
1
5
10
1735
AUDIO AMPLIFIER (CLASS-B)
VREF_AUD_POS
AUDIO PROCESSING
POR
POR_FLASH
50
RGB PROCESSING
B3
HEADPH-R
HEADPH-L
A8
7651
Vgate
Vfb
Vc
Vcc
Gnd
81
65
4
3651
3652
+1V8+5V2
+3V3
7650
LOW VOLTAGE SUPPLY - ADOC
B8
B4
B9
B18
B4
0230 0230
0230023002300230
A3
A1
B1
B4
(FROM 0223)
A3
A3
B18
B11
B15
B10
B 7 A 8 F
A6
J
E
B18
7300-A,C,E & K
6651
7300-x
7300-B
1945
2
1
3
1
+5V2
4
63
1738
1
Int. ACTIVE
SUBWOOFER
+16V+19V
ADC1
ADC4
P2-6
P3-0
ADC3
ADC0
ADC5
P0-7
P0-3
P0-1
P3-2
P0-6
P0-4
P2-4
P2-2
P0-5
P1-1
P1-0
P1-3
P1-2
MPIFCLK
XOUT
XIN
(SCART)
FOR 2FH I/P or SCART-3
EBIU BUS
A1..A21 D0..D15
A2
TO/FROM LINE
DEFLECTION
A3
200V
6
3404
3,103,10
+8V_12V
A10
FRONT
FROM
VDD
B12
MEMORY INTERFACE
B6
B7
B11
CDAC2-
VDDA
CDAC1-
VDDA
B5
SDAC1-VDDA
SDAC1-3V3
Y-SCAVEM
BLENDER
BLANKING
SCAVEM
SVMP
+5V
7480
2
6
1
7
8
VREF_AUD_NEGB4
2447
VDDCO
5600
9,37
VDDQ
43
FLASH
RESET_
FLASH_RST
FLASH_RST
16
RP
ADC2
VDDE
VDDCO
ADC-
VDDA
XVDD
5570
5583
7525
WC_
5
6
7
VDDE
8
P1-5
SCL
SDA
NVM
VPP
SDM
7346
7356
TILT
B8
Decimation
Filter
I2SIN
WS PLL
Audio Processing DSP
SDI
SCKI
WSI
SD02 SCK02
WS02
4433*
4434*
4565
4564
RES
2651
N.C. N.C.
7304
SYSTEM
RESET
(50ms)
7581
VDDE
+5V2
3582
3590
3583
3586
1
5
4
HEADPHONE AMP
A7
* = Reserved
for DPL
15
RB
RB
RB53
P0-2
1739
2
3
Ext. ACTIVE
SUBWOOFER
(via 3rd SCART
Panel)
N.C.
1947
0215
A3
3
3402
X-RAY-PROT_HFB
FILAMENT PULSES
4703
4704
7340
7350
1435
3
1000
3001
+5V_RC
5
FRONT INTERFACE
(FOR FL13B STYLING)
0203
2
1
1004
6050
J
5
3
1051
3080
+5V-STANDBY
TOP CONTROL
(FOR FL13B)
2
1701~5
E
0345
(5-BUTTON)
(4-BUTTON)
E_13950_022.eps
090304