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Block Diagrams, Testpoint Overviews and Waveforms F21RE 6. 37
6. Block Diagrams, Testpoint Overviews and Waveforms
Block Diagram (Video)
CVBS-TXT-OUT
R-TXT SEE
TUNER, IF, I/O, 18 2D COMB SOURCE SELECTION FEATUREBOX SOURCE
K1 K2 CVBS-TER
K7
CVBS-TXT-OUT CF FILTER 7555 K8 L1 K8 K6 VIDEO CONTROL+ G-TXT A7 BLOCK
VIDEOPROCESSING 1
7111 1107 7502 7561 7602 7639 7625 7634
SELECTION GEOMETRY DIAGRAM
B-TXT OSD CONTROL
14 Y 14 14 MSM54V12222A 74HCT573D M27C512 MSM514223C +8V6
EF EF EF 17 12 12 COMB
SIFM FBL_TXT_OSD
+5V2 FILTER 15 12
C 12
SOUND MEMORY PROM MEMORY
CARRIER 1B LATCH 1A
+33V FILTER 7002 TDA9181 3434
5101 7501 DOUBLE WINDOW 7300
6101
1102
TDA9320H 10 12 13 14 26 29 M2 (SELECTOR SWITCHES) 7611 20 TDA9330
28 SAA4978H 7402 0340
UV1336 7 40.4MHz HIP ON 0362 HOP
9 7970 TDA ERR
ALIGNMENT IF-VIDEO I5 M3 PICNIC 9178 1
7980 7800 20 N.C.
TUNER 1 11 7990 F1K F1K
2 V3a 0352 TDA8601T 0352 0361 3600 FEAT 35 36 37 2
PLL GROUP 2414 6 3414
3 V3A 7607 Y 12 -Y Y-FEAT 19 Y 28 R 40 3
ERR DEM DELAY 1
IF1 2 7 9 3637
5 12 23 9 4
A 6 F2K F2K
5103 1109 I6 FEAT TOPIC 5
4 5 1 V3b Y-DS-1FH 3602 3413
Y Y-DEC 49 V3B 7608 U 14 -U U-FEAT 2415 8 17 U 27 Y/U/V G 41
AGC 62 Y 2 3X SIGNAL 3X RGB 6
D 3 8 8 3638 ADC PROC. DAC RGB INSERTION
Y Y/U/V U-DEC 50 11 25 8 MATRIX 7
3104
PROC.
3103
B 7 F3K F3K
I1 SWITCH V-DEC 51 V3c 3607 FEAT ERR 8
U-DS-1FH 2416 9 3412
V3C 7610 V 15 -V V-FEAT 16 V 26 21 B 42 9
3 E 4 3639 N.C.
IF-AUDIO I3 AM SOUND VIDEO 10 9 7 26 7
SWITCH U V C 8
64 QSS 3636 Y U V
SDA-S
SCL-S
64 TO + V-DS-1FH 4 SDA
MIXER CONTROL
63 AM AUDIO C DECODER Y U V
SIF C F ERR
DEMO BLOCK C PAL 3635 R R 30 E/W 3
PROC. 50 N.C.
1105 DIAGRAM NTSC 5 SCL G G 31 RGB DRIVE
I4 SIFM YUV
SECAM B B 32 MATRIX
1 VA S1 S1 7605
AV5 OUTPUT
CVBS-SC1-IN 16 6 5 3633 VD 1 SELECTOR
SYNC V-SYNC 61 VA VA 29 V-SYNC 19 VD 23 N.C.
2 V-DRIVE 2
CVBS-SC3-IN 18 PROC.
SEPAR. PROC. PROC. 4
10 Y-CVBS-SC2-IN 20 VD-NEG 7587
F4K
1101 S2 S2 7603, 7604 0315 0315 7589 HFB
11 SC2-S-IN 21 HA VD
ERR 5 VA HA-D 4 3631 (2X) HD GENERATOR
SPLITTER 12 H-SYNC 60 HA-D 28 H-SYNC 18 HD 24 H-DRIVE LINE DRIVE 8 1 1 PULSE
15
PROC. PROC. PROC. 2 2 FORMER
CVBS-Y-FRONT 5
23
F5K 3 3
15 C-FRONT 24 3531
47 HD 3304 4 4
16 SDA HA-D (2X) SDA 11
CVBS-SC2-OUT 34 Y U V 5 5
7 CVBS-PIP-DS 32 46 L3 FALCONIC 3303
6 6
SCL SCL 10 7 7
17 POWER VALID
RGB/YUV 3530 ERR 8 8
RGB-SC1-IN A=YB-DEC D=Y-DS-OUT 7626 FALCONIC
MATRIX 53 9 9 9
B=UB-DEC E=U-DS-OUT
3 RGB-SC2-IN 7638 FIELD MEMORY S3
R G B R G B C=VB-DEC F=V-DS-OUT
9 SCART1 SCART2 7640 FIELD MEMORY
TO VFB
36 37 38 41 42 43