Block Diagram Video - Philips 32PF9968/10 Service Manual

Block Diagrams, Test Point Overviews, and Waveforms

Block Diagram Video

VIDEO
T2 Y, Pb, Pr / RGB INPUT
TI TRIDENT INTERFACE
Yp, Pb, Pr INPUT
7215
BA7657F
1208 1201
Yp 1 1 Yp
Yp Pr 1
21
3 3 R 7
Pb Pb
Yp
Yp 3
5 5
Pr Pr
Yp 19
G 9
Pb 5
15
+8V B 11
3321
12 VD_OUT
14
V 13
7210
1202
R 24
2 HD_OUT
22
H 23
RGB G
4
3322
INPUT B
6
2264
(RESERVED)
18 SYNC. 17
8 H
SEP.
V
9 PC_TV
16
T5 LOGIC
TO
SSIF See block
AUDIO
diagram
AUDIO
PART
A4
HERCULES
7200-A (IF)
A4 TUNER IF
A2 VT_SUPPLY
7003
SSIF
6001
5001 BZX79-C33
PHASE
VCO
+5V
DISC
1000 6 7 8 9
VT
F003
PLL
10 1002
FM-RADIO
ERR
FM 1003
10 TUNER
FM VIF1 105
F004
+
11
IF VIDEO VIDEO
TV TUNER
TV VIF2 104 IF DEMOD
AGC
5 4 1
I002
3001
A4 SDA RF 98
TUNER IF
AGC
I001
3000
A4 SCL
1001
SIF1 100
7001
AUDIO IF
SIF2 99
FILTER
QSS/AM
A4 SEL-LLPIM
SELECTION
A8
REAR I/O CINCH
SC2_Y/CVBS_IN
2 3
SC2_CHROMA_IN
SVHS
1 4
5
AV1
SC1_CVBS_IN
V
AV2
V
YUV INPUT
SC1_GREEN_IN
Y
SC1_BLUE_IN A A
U
SC1_RED_IN
A5
V
7606
MONITOR
7607
OUTPUT
INT_CVBS_OUT
SC2_CVBS_OUT
V
D A5
SIDE AV CONNECTION
1252 1207
SIDE_CHROMA_IN
Y 7 7
6 6
2 3
SIDE_Y/CVBS_IN
C 5 5
SVHS
1 4
5
VIDEO
IN
L04A AD
T1 DPTV SDP
7211-7214 F007 F034
3315
Yp
Y_OUT
3316 YUV
Pb U_OUT
MATRIX
3317 V_OUT
Pr
F008
T3 ADC
7204
AD9883AKST
R_Pr
54
2-9
ADC
G_Y 12-19
48
70-77
3x8
B_Pb ERR
43
24
HS_OUT
66
F011
SYNC
31 VS_OUT
&
F010 DATA_CK
67
30
CLOCK
F004 F003
GENERATOR
CVBS
1
SD1
Y
57
4
Cr ADC
SC1 MANAGEMENT
56 197
Cb
207
7200-B (CVBS I/O + FILTERS + COLOUR DECODING)
7208
86 INTF_CVBS_OUT
SWITCH
81
N.C.
SC1_CVBS_IN 74
SOUND
SC2_Y/CVBS_IN
TRAP 71
SIDE_Y/CVBS_IN 78
CVBS1
PLL
SC2_CHROMA_IN 70
FM/QSS SIDE_CHROMA_IN 77
SOUND
MIXER TO
AUDIO
PART
AM
AM
SOUND See block
diagram
DET.
AUDIO
A4
HERCULES
7200-D (YUV PROCESSING)
WHITE/BLACK
Y
STRETCH
Pr GAMMA COR.
PEAKING
Pb
TINT CONTROL
SATURATION
SKINTONE
SCAVEM
PROC.
6. 21
T5 DISPLAY & PROCESSING
(SYNC PART)
7201 7218
6930DPTVSDP TDA9332H
Y_OUT
CPU
28
U_OUT
27
RGB 7203
V_OUT
26
SVM
T5
&
TV
Y U V
DIGITAL
DPTV_R
27
30
DAC
PROCESSING 28 DPTV_G
31 RGB
YUV
29
DPTV_B 32 MATRIX
35 V_SYNC 23
ERR
21 34
H_SYNC 24
PH1-1
T4 SDRAM SDA 3244
11
SCL 3243
7219-7222
10
MEMORY
4x 20 21
DRAM
M12L16161A
1203
12MHz
INTF_CVBS_OUT
7200-C
SC1_BLUE_IN 51
A
SC1_GREEN_IN
50
SC1_RED_IN 49
OUTPUT 65
N.C.
SWITCH
Yint Yint
CVBS/Y
INPUT
COMB
SWITCH
FILTER
&TRAP
Uint
SWITCH
PAL, NTSC
C CHROMA/CVBS
SECAM
DECODER
Vint
52 INSSW3
N.C.
VIDEO
IDENT
7200-E (RGB PROCESSING + CATHODE CALIBRATION)
FROM µP PART
R
BLUE BRIGHTNESS
CLAMP
STRETCH +
RGB G OSD CATHODE
+
&
PEAK WHITE
ADDER INSERTION CALIBRATION
MUTE
CONTRAST LIM.
B
BEAM
R_Y
CURRENT
LIM.
G_Y
MATRIX
B_Y
46
64
N.C.
TI TRIDENT INTERFACE
7217
MTV030N
R
V_SYNC 1203
G
OSD
? 1
B
PROC. H_SYNC SDA
FBK
2
35 36 37 38 1204
SCL
SDA
SVM
6
43 3
SCL T1
8
F038
3
RGB R 40 R_OUT
4
INSERTION
9
F039 +8V
Y/U/V
OUTPUT 5
RGB G 41 G_OUT 2
AMPL.
MATRIX
CATHODE
F040
CALIBR.
B_OUT 1
B 42
ROTATION
44 7
HOP
1205 1205
ROTATION
3 3 ROTATION
E/W 3
ERR
DRIVE
22
RESET
4 9 RESET
9
?
CVBS
2 SEE ALSO
RAMP BLOCK DIAGRAM
FRAME 1 10 1204
GEN
DEFLECTION
CVBS
10 7
Y Y
12 12 5
8
STARISTOP
PH1-2
H-DRIVE
Cr Cr
13 13 2
9 13 14 29 22 5
Cb Cb
14 14 3
A B C D
INTF_CVBS_OUT
N.C.
(RGB/YPrPb/YUV
INPUT SWITCHING)
53 54 55 57 58 59
DIGITAL SIGNAL PROC.
- 4:3 LINEAR/NON-LINEAR SCALING
- DOUBLE WINDOW PROC.
YPrPb2/ RGB2/
YPrPb3 RGB3
SELECTION SELECTION
ADC
DVD RGB DVD YUV
TO TO TO TO
DVD DVD YUV DVD
Yint
Uint
Vint
YUV
SELECTION RGB
LOGIC
DVD
B1 B2
CRT SCAVEM
FILAMENT
ROT ROTATION
OUTPUT
3378
+8V
SVM SCAVEM
OUTPUT
+200VA
7330
F331
1331 TDA6108JF
F341
3332
3
42 1 B 7 B
F332
OUTPUT G F338
43 2
N.C. 3334
1 9 G
STAGE
44 R
3
F339
3336
2
4 8 R
5
BC_INFO F333
5
45
N.C.
6 SVM
7 ROT
FILAMENT
8
F353
5352
9 +200V
+8V
F354 EHT-b
3351
+200VA
2351
1351 1351
1 2 3 4 5
to 1401
A2
DEFLECTION
A5 CONNECTIONS
1244
SDA
1
A4
SCL
2
A4
3
1246
ROTATION
1
A4
RESET
2
A4
AH HERCULES
1245
7 INTF_CVBS_OUT
7211 A
5 INTF_Y_OUT
7214
D
7213
2 INTF_V_OUT
B
7212
3 INTF_U_OUT
C
DAC
Y
Pr
Pb
1381
1
ROTATION
COIL
2
(OPTIONAL)
+200V
1361
1
SCAVEM
2 COIL
1332
AQUADAG
11
B
6
G CRT
8
R
10 9 5 7 1
25kV
A2
FROM DEFLECTION
E_14770_003.eps
260804