Block Diagram Video - Philips EM1.1A Service Manual

Block Diagrams, Testpoint Overviews, and Waveforms

Block Diagram Video

VIDEO
TUNER, I/O, IF, I/O,
A8 B1
B2
SIMM-CONN. VIDEOPROC.
1205 1000
R-SC1 3 3
B-SC1 1 1
2 2
G-SC1
7411
FBL-SC1 4 4
EF
+5VT
VTUN
6200
SAW FILTER SAW FILTER
BZM55-C33 7323
TDA9320H
1200 7.3 9
A68
ERR 1410 VIF2
2
9 11 IF 13 13 PLL
TUNER VIF1
3 DEM
5403 SAW FILTER
ERR
13
5 4 1
40,4 1408
AGC
15 15 TUNER AGC 62
SAW FILTER
A69 A70
AUDIO
SIF2 64 QSS
3201 3200
MIXER
SIF1 63
DEMO
1409
F
1411
7410
SOUND
BAND
PASS
CVBS-SC1-AV1-IN 10 10 CVBS-SC1-AV1-IN
B Y-CVBS-SC2-AV2-IN
Y-CVBS-SC2 6 6
A
Y-CVBS-FRONT-IN 63 63 Y-CVBS-FRONT-IN
D
C-FRONT-IN 64 64 C-FRONT-IN
C
C-SC2-SVHS-IN 7 7 C-SC2-SVHS-IN
E
SIDE I/O
O
1936
Y-CVBS-FRONT
2 CVBS-SC2-MON-OUT
9 9
2 3
C-FRONT-IN 4
1 4
5
SVHS
SDA-F
I/O
A11
SCL-F
MONITOR 7902
OUT
CVBS
7992
7993
1933
U/B
SC1-B-IN-U-IN 1
7994
7995
Y/G
SC1-G-IN-Y-IN 2
7990
7991
V/R
SC1-R-IN-V-IN 3
AV1
CVBS-SC1-AV1-IN
CVBS
B
B
AV2
CVBS
2 3
1 4
5
SVHS-AV2
1953
C C-FRONT-IN 1
2
N.C.
D Y-CVBS-FRONT-IN 3
1935
B CVBS-SC1-AV1-IN 1
E C-SC2-SVHS-IN 3
N.C.
A Y-CVBS-SC2-AV2-IN 5
1937
SDA-5 1
SCL-5
2
3261 3262
N.C.
1943
1
2
3
COMPAIR CONN.
(SERVICE)
8
+8V
INPUTS/
N2
7901
OUTPUTS
TDA8601T
2
Pr-IN CLAMP
3
6
CLAMP
1934 1934 7990 : 7995
1
3
SC1-R-IN-V-IN 2 2
Pb-IN CLAMP
2
2
F 7
SC1-G-IN-Y-IN 3 3
CLAMP
3
SC1-B-IN-U-IN 4 4
4
Y-IN CLAMP
1
8
CLAMP
1990
1 R-IN
1933
1 7904 : 7909
1 2 G-IN
2 13 3 B-IN SIGNAL
2
DETECTION
14
3
3
1 2(2x) 3 2 1
EM1.1A AA
B7
CVBS TXT 7307
TDA9181 7412
EF
COMB
12 FILTER
14
7320
EF
16
12 COMB-C-OUT
COMB-Y-CVBS-OUT
1406 7322
EF
SOUND
FILTER N.C.
B6
R G B R G B
I6 V2
10 14 26 29 28 41 42 43 36 37 38
RGB
MATRIX
V6
Y U V
Y50
V7
Y 49
Y
HIP
Y PROC. Y/U/V U 50 U50
SWITCH
V 51
ERR V8
30
VIDEO
U V V50
SWITCH
+
CONTROL
DECODER
AM C
C PAL
QSS-AM
PROC.
NTSC
SECAM
5 QSS-AM
TO BLOCK DIAGRAM F14
AUDIO
61 VA50
SYNC V-SYNC
SEPAR. PROC.
16
L8
20 H-SYNC 60 HA50
PROC.
23
24
21
1315
54
PAL BG
4.4342
1318
34
55
PAL N
3.582056
32
1318
N.C.
56
PAL M
3377 3.575611
47
1318
57
V9
3376 NTSC M
46
3.579545 MHz
V10
- HIGH DEFINITION INTERFACE - -
MATRIX
N4
-MATRIX-
7400
7451
5
12 PR-R 7 RA
3-STATE 6
1
YPBPR 10
8 BA
7452
1 YUV
9
11 YG
3-STATE MATRIX
12
2
14 GA
13
2 7453
10 PB-B
3-STATE
7450
3
5
7 RN
5 3
6
10
8 BN
9
12
14 GN
13
4 5 6 14
6. 20
B3 FEATUREBOX B4 VIDEO CONTROL+
GEOMETRY
7716
PICNIC
EEPROM
7709 7302
TDA9178 20
SAA4978H
V11 V14
3755 3747
4609 TOPIC
Y-PIP-MAIN-IN 23 Y 12 Y100 6
(OPTIONAL)
V12 V16
3757 3748
4608 U-PIP-MAIN-IN
25 3X SIGNAL 3X U 14 U100 8 ERR
22
ADC PROC. DAC
V13 V15
3759 3749
4607
V-PIP-MAIN-IN 26 V 15 V100 9
PICNIC
ERR
31
S7 S4
3733
VA50 VA50 V-SYNC 19 VD100
29
PROC.
7704
S6 S3
3728
HA50 HA50 28 H-SYNC 18 HD100
PROC.
3705
5
SDA-F
3703
4
SCL-F
7714
7708
FIELD
SAA4990H
MEMORY PROZONIC
41
7715
FIELD
MEMORY
CONTROL
N1
7101
7107
TDA8601T
TDA8601T
PR-R 2
RA 2
CLAMP
CLAMP
1 12
12 R-MATRIX 6 3-STATE
RN 6
3-STATE CLAMP
CLAMP
Y-G 3
GA 3 CLAMP
CLAMP 11
2 7
11 G-MATRIX 3-STATE
GN 7 3-STATE CLAMP
CLAMP
PB-B 4
BA 4 CLAMP
CLAMP
3 10
10 B-MATRIX 8 3-STATE
BN 8
3-STATE CLAMP
CLAMP
15
15
13
13 14 3-STATE
14 3-STATE
5 16
5 16
DECODING DECODING
7 8 9 10 11 9
YLTP
FROM
BLOCKDIAGRAM
7305
CONTROL
7306
R-2FH
B7 CONTROL G-2FH
+
B-2FH
FBL-2FH
+8VS
2429
V24 V26
V25 V27
7301
TDA9330H 35 36 37 38
43
V19 V28
2323
3340
19 Y100 28 RGB R 40 R-CRT
INSERTION
V29
V20
Y/U/V
OUTPUT 3341
2322
RGB G 41 G-CRT
17 U100 27 AMPL.
MATRIX
V30
CATHODE
V21
CALIBR. 3342
2321 B 42 B-CRT
16 V100 26
44
Y U V
FBL-2FH 33 HOP
F20
R-2FH 30
E/W DRIVE
RGB E/W 3
G-2FH 31 ERR
YUV 32 DRIVE
B-2FH 32 MATRIX
F18
7304
F17
2 FRAMEDRIVE -
23
V-DRIVE RAMP
FRAME 1 FRAMEDRIVE +
PROC. GEN
VD
L12 F19
24 8 LINEDRIVE
STARISTOP
PH1-1 PH1-2
H-DRIVE
V23
3321
11
L13
SDA
HD100
V22
3320
10
7310, 7311
SCL
20 21 9 13 14 29 22 5
VSYNC
7303
1301
1304 EHT-INFO
1 R-2FH 12M
2 G-2FH
2x
3 B-2FH
4 FBL-2FH
5 HD100
6 VD B5
CRT/SCAVEM PANEL
F
1940
1
N.C.
2
3
4
5 Y-SCAVEM
6
+8V
7 R-CRT
8 G-CRT
B-CRT
9
10
11
1424
1
3417
2
FROM
3
1424
OF 4
A3 5
(LINE
6
N.C. F15
DEFL.)
7
200V
3341
SYNC SLICER
N3
7700
LM1881M
1
Y-G 2 SYNC
PROC 3
14
CONTROL
N1
INPUTS / OUTPUTS
N2
3132
SDA
3130
SCL
1304
R-OUT R-OUT 1
G-OUT G-OUT 2
B-OUT B-OUT 3 V
3
V-770
FBL FBL 4
17
H-770-3
15
H
H-OUT 5
2
H-770-2
16
V-OUT 6
14.2.3 15.16.17
12 13
B1 SIM CONN. A8 SIM CONN.
6402
6901
Y-SCAVEM PROTECTION
CIRCUIT
1940
1
1000 1205 +11V5
32 HFB-X-RAY-PROT 2
B4
3
33 EHT-INFO 4
41 Y-SCAVEM 5
6
+8V
25 R-CRT
7
24 G-CRT 8
23 B-CRT 9
21 CUTOFF 10
11
31 TO
LINE
A3
DEFL.
26 SEE
BLOCK-
DIAGRAM
TO
29
DEFLECTION
FRAME
28 A4
DEFL.
B7
B4
B7
3300
+200V
+8V
SC3 1483
7300 : 7340 5300
1
2 SCAVEM
SCAVEM
PROC. COIL
3
7307
HOT
TDA6108JF
COLD
F6
3 7 CRT
F9
F1
3352 8
R
F2 F5 F8
3351 6
F3 2 8 G
F7
3350
11
B
1 9
CUTOFF
5
F4
HFB_X-RAY_PROT
6
(1)
FILAMENT +180V
EHT-INFO
1434
3334 3349
+200V +8V SIN EHT
2318 FROM
A3
+200V (6-7307) LOT
LINE
DEFL.
7750-A 7751-B
12
3 9
6
O.S. O.S. 10
11
4
7750-B
H-770-3
13
10 H-770-2
15
O.S.
16
11
NO-FBL YPbPr
3
6 7
O.S.
7713
5
7751-A
V-770
17
7160
7109, 9110
NO-FBL-RGB
7166 10
PULS
74HC4024
FORMER
MR NO-FBL
TIMER
CIRCUIT
7106 7102
M62320 74HC4052D
CP
7 IO-4 10
3
9 IO-5 9
LOGIC
2
I/O 6 IO-3 6
EXPANDER
4 IO-1
9
8
ERR 5 IO-2 1
35
7108
10 IO-6 11 V-OUT
5
5 3 13
11 IO-7 2
6
12 IO-8
4
4
12
7105
14 H-OUT
13 12
15
11
CL 36532061_008.eps
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4.5.6 020903