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Block diagrams, Testpoint overviews and Waveforms MG4.1E 6. 21

6. Block diagrams, Testpoint overviews and Waveforms
Blockdiagram Small signal (excl. digboard)
K1 TUNER, IF, I/O, VIDEOPROCESSING K2 CVBS-TER K7 CVBS-TXT-OUT K8 L1 FEATUREBOX K8 K6 VIDEO CONTROL+ F CRT/SCAVEM
+5V2 1106 7560 GEOMETRY PANEL 7400, 7405
7111 SOUND 1107 7502 7651 7555 SOURCE SOURCE 7414, 7415
CARRIER SAA4961 FROM FROM 7602 7639 7625 7634 0383
SIFM MSM54V12222A 74HCT573D M27C512 MSM514223C
EF FILTER EF EF EF SCART1 SCART2 SELECTION SELECTION +8V6 1
COMB R-VC
FILTER SCAVEM 2 SCAVEM
5101 17 14 FIELD G-VC
R G B R G B LATCH PROC. 3 COIL
MEMORY PROM MEMORY B-VC
+33V 12 1B 1A 3434
I7 7350
7501 7300 TDA6111Q
6101 7611 20 TDA9330H
TDA9320H 10 12 13 14 26 29 28 36 37 38 41 42 43
1102 SAA4978H 7402 HOP 0340 0340
40.4MHz HIP 0362 3 8 R
TDA
UVI316 7 9 ALIGNMENT IF-VIDEO I5 PICNIC 9178 1 1
I2 F1K EHT-INFO EHT-INFO CRT
2 RGB V3a 0361 F1K 2 2 F6
TUNER 11 PLL GROUP 3600 2414 5003
3 MATRIX V3A 7607 Y 12 9 Y-FEAT 6 19 Y 28 R R 40 3 3 7340
1 DEM DELAY 7420 TDA6111Q 8
IF1 9 3637 F5
Y U V 12 Y-DS-1FH 23 F3F 4 4
4 5 1 F2K 5002 F3F
5103 1108 I6 F2K TOPIC 5 5 3 8 G 6
1109 V3b 3602 2415
Y 49 V3B 7608 3X SIGNAL 3X 8 U-FEAT Y/U/V 6
AGC 62 Y Y-DEC U 14 8 17 U 27 RGB G RGB G 41 7419 6 F1F 11
3103 8 3638 ADC PROC. DAC INSERTION 5001
3104 Y PROC. Y/U/V U-DEC 50 11 U-DS-1FH 25 MATRIX F1F 7 7
I3 AM SOUND F3K 7330
IF-AUDIO SWITCH V-DEC 51 F3K 8 8 F4
I1 C 3607 2416 F2F TDA6111Q
64 QSS V3c V3C 7 V-FEAT 9
7610 V 15 9 16 V 26 B B 42 7418 9




VG1
VG2
SCL-S SDA-S MIXER 64 3639
63 SIF VIDEO U V 10 V-DS-1FH 7 26 3 8 B
AM SWITCH F2F
DEMO B + 3 Y U V R G B
0315 BLC-INFO
SPLITTER 1104 I4 SIFM CONTROL C K7 light S8 BLC-INFO
1105 C DECODER sensor 1
A C PAL R E/W 3 E/W DRIVE
TO X1 (DIGIBOARD TUNER)
PROC.
NTSC G RGB DRIVE 2
YUV 3 TO/FROM
SECAM B MATRIX 0315 +12V
7605 S6 LDP 4
S1 S1

CVBS1 16 SYNC V-SYNC 61
VA
VA 5 3633
29 V-SYNC 19 4 VD 23 V-DRIVE
1 VD-POS 5 A1
ELECTRONIC SWITCH PROC. 2 VD-NEG 6
SEPAR. PROC. PROC. (LINE-
7208 TEA6415 7
SOURCE 25 F4K DEFL.) 0344
K8 10 13 Y-CVBS-SC2-IN 20 S2 S2 7603, 7604 S5 8
SELECT IN1 OUT1 HA
HA1 4 3631 5 HD 24
9 3372
H-SYNC 60 28 H-SYNC 18 H-DRIVE 8 LINE DRIVE
PROC. PROC. 0224 +12V
20 14 SC2-C-IN 34 PROC.
IN2 OUT2 FBSCO TO/FROM 1
F5K S7 0324 +13V D EHT
2 FROM
IN-C IN-R SC2 3 17 C-7-OUT SC2 24
IN3 OUT3 3 FILEMENT LOT
23
9 13 35 36 37 25 EHT-INFO A1 4
IN-SC2-CVBS-Y 1 18 SVBS SC3 18 S3 S4 +VD
IN4 OUT4




G-TXT
5




R-TXT
(LINE-




B-TXT
DAC-HOP
24
11 15 CVBS-Y-FRONT
14
23
L2 PAL PLUS L3 FALCONIC 0311 DEFL.) 3373
IN5 OUT5 +200A
1 +200D
XRAY-PROT
5 16 C-FRONT 2 VG2
IN6 OUT6 21 7614 FIELD MEMORY TO 0360 SCAVEM SWITCH TO/FROM
7626 FALCONIC 3 FOCUS1
7619 FIELD MEMORY 0360 1 0311 FROM
FRONT-C 8 7206 7638 FIELD MEMORY SCL-S VFB HFB 4 DAF BLOCK
10 DYN-PHASE-COR FOCUS2
4
IN7 7207 CVBS SC2 34 7616 HELPERPROC 7640 FIELD MEMORY Z 2 VFB 5 A1
FRONT-Y-CVBS 6 7621 Y/C PROC 3
SDA-S 6
IN8 IN-C-IN-R-SC2 (INTERFACE) (LINE-
6
7615 FIELD MEMORY HFB 7 DEFL.)
7620 FIELD MEMORY

K2 INPUT/OUTPUT 25
SCART 1
K1 7200 21
CVBS-TER 20 Y/CVBS
19 V H
18
17 R G B
16 FBL V H
R 15
14
K1 13
12
7501 G 11
10 A4 AUDIO AMPLIFIER
SCART 1 9
IN 8 STATUS 1 6767 (MC78MO5)
B 7 0320
6 L +VS +7V7
12 5 TO 1 3
4 1
L 3 15 0320 +VS
11 2 R 2
R 1 2
16
B +VS
3
TOP -VS 6770 (MC78MO5)
SUPPLY 4
SCART 2 -VS -VS -7V7
1 3
21
(CONNECTION)
K3 SOUND +8v6 K4 AUDIO DOLBY 5