Philips L04L - Block Diagram Video

40L04L AA 6.
Block Diagrams, Testpoint Overviews, and Waveforms
Block Diagram Video
E_14480_027.eps
270204
HERCULES
A4
HERCULES
A4
A3
CRT
B1
A5
SCAVEM
B2
A2
7200-E (RGB PROCESSING + CATHODE CALIBRATION)
CONN.
A5
A5
LTI/CTI INTERFACE
H
1212
1206
1212
12061215
4
6
8
INTF_Y/GREEN_IN
INTF_Pb/BLUE_IN
INTF_Pr/RED_IN
9
10
1
3
INTF_FBL
SANDCASTLE
SDA
SCL
6
4
6
8
9
10
1
3
1
3
6
INTF_BBL
Y_2
YOUT
UOUT
VOUT
SC
YIN
UIN
VIN
Pb_2
Pr_2
19
17
16
1
165
INTF_FBL
SANDCASTLE
SDA
SCL
SDA
SCL
N.C.
INTF_BBL
7630
7635
13311204
1
42
43
44
2
3
5
3334
3336
3332
1381
1
2
ROTATION
COIL
(OPTIONAL)
1351
to 1401
BC_INFO
SVM
ROT
B
G
R
V16
V12
V13
V15
V14
V14
F241
F240
F242
4
7
6
1
2
3
5
4
7
6
7330
7610
TDA9178T
LTI/CTI
PROC.
7611
TDA8601T
PULSE FORMER
3
1
2
7
5
9
8
B
G
R
EHT-b
DEFLECTION
+200VA
ROT
+200VA
+200V
VSVM
FILAMENT
DINT
ROTATION
OUTPUT
3351
3226
3227
3228
2351
123 4 5
B
G
R
CRT
25kV
FOCUS
DEFLECTION
FROM DEFLECTION
EHT
VG2
11
6
8
10 9 5 7 1
1332
AQUADAG
ERR
15
A2
A2 A4
V11
1361
1
2
SCAVEM
COIL
(OPTIONAL)
SVM
59
FILAMENT
SCAVEM
OUTPUT
VSVM
5352
FILAMENT
YUV
Y
Pr
Pb
DAC
DIGITAL SIGNAL PROC.
- 4:3 LINEAR/NON-LINEAR SCALING
- DOUBLE WINDOW PROC.
ADC
YUV
TO
DVD
DVD
TO
YUV
RGB
RGB
TO
DVD
RGB2/
RGB3
SELECTION
(RGB/YPrPb/YUV
INPUT SWITCHING)
DVD
TO
DVD
YPrPb2/
YPrPb3
SELECTION
DVD
6
8
9
12
2
6
11
10
13
1212
1
2
3
1216
1
1214
1
3
5
1212
1
2
3
INTF_Pr/RED_IN
55
INTF_Y_OUT
54
INTF_U-OUT
58
INTF_Pb/BLUE_IN
57
INTF_Y/GREE_IN
INTF_CVBS_OUT
SC1_FBL
65
49
SC1_RED_IN
50
SC1_GREEN_IN
51
SC1_BLUE_IN
53
INTF_V-OUT
3-STATE
3
7
3-STATE
4
8
3-STATE
15
14
3-STATE
R
G
B
INTF_FBL
INTF_Y_OUT
INTF_U_OUT
INTF_V_OUT
INTF_Y_OUT
INTF_U_OUT
INTF_V_OUT
INTF_Y
INTF_Pb
INTF_Pr
45
46
64
FROM µP PART
R_OSD G_OSD B_OSD FBL
BEAM
CURRENT
LIM.
IBLACK
ROUT
GOUT
BOUT
SVM
ROT
YUV
RGB
DVD
SELECTION
LOGIC
Yint
Uint
Vint
YintYint
CHROMA/CVBS
C
CVBS/Y
Uint
Vint
INSSW352
7200-C
7200-B (CVBS I/O + FILTERS + COLOUR DECODING)
7200-A (IF)
PAL, NTSC
SECAM
DECODER
COMB
FILTER
&TRAP
SWITCH
VIDEO
IDENT
70
77
74
71
78
SC2_CHROMA_IN
CVBS1
SIDE_Y/CVBS_IN
SC2_Y/CVBS_IN
SC1_CVBS_IN
81
SW_SC2_CVBS
SIDE_CHROMA_IN
INPUT
SWITCH
OUTPUT
SWITCH
R_Y
G_Y
B_Y
SCAVEM
PROC.
7200-D (YUV PROCESSING)
Y
Pr
Pb
I002
I001
F002
F004
SDA
SCL
50019003
FM-RADIO
TUNER
+
TV TUNER
3001
3000
6001
BZX79-C33
TUNER IF
A8
REAR I/O CINCH
A5
D
SIDE AV
A5
CONNECTION
A4
A4
A2
1000 6, 7 9
1
11
SSIF
VIF_1
VIF_2
SIF1
SIF2
RF
+5VS
VT_SUPPLY
VT
AGC
5
SEL-LLPIM
A4
4
IF
FM
10
7001
7003
FILTER
SELECTION
1002
1003
1004
ERR
10
TV
FM
9002
+5V
24
25
31
29
30
PLL
PLL
FM/QSS
AM
VCO
VIDEO
DEMOD
SOUND
TRAP
TUNER IF
AGC
VIDEO
IF
PHASE
DISC
AUDIO IF
QSS/AM
SOUND
MIXER
AM
SOUND
DET.
TO
AUDIO
PART
See block
diagram
AUDIO
SWITCH
86
1
5
4
32
SVHS
AV1
SC2_Y/CVBS_IN
SC2_CHROMA_IN
1
5
4
32
SVHS
Y
C
SC1_CVBS_IN
YUV INPUT
SC1_GREEN_IN
SC1_BLUE_IN
SC1_RED_IN
AV2
V
Y
MONITOR
OUTPUT
SC2_CVBS_OUT
SW_SC2_CVBS
SIDE_CHROMA_IN
SIDE_Y/CVBS_IN
V
VIDEO
IN
U
V
V
1207
7
6
5
1252
7
6
5
CLAMP
CLAMP
CLAMP
CLAMP
CLAMP
CLAMP
SC1_FBL
N.C.
N.C.
N.C.
TO
AUDIO
PART
See block
diagram
AUDIO
CATHODE
CALIBRATION
BRIGHTNESS
+
PEAK WHITE
LIM.
OSD
INSERTION
OUTPUT
STAGE
CLAMP
+
MUTE
BLUE
STRETCH
&
CONTRAST
RGB
ADDER
MATRIXSATURATION
TINT CONTROL
SKINTONE
WHITE/BLACK
STRETCH
GAMMA COR.
PEAKING
1351
BCL
7308
VIDEO
SSIF
7606
7607
N.C.
N.C.