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6
Block diagrams
K1
TUNER, IF, I/O, VIDEOPROCESSING
1106
1107
7502
SOUND
CARRIER
FILTER
SCART 1
I11
(19)
7501
TDA9320H
10
12
13
40.4
1102
I5
ALIGNMENT
IF-VIDEO
I2
2
11
PLL
GROUP
TUNER
3
DEM
DELAY
IF1
5103
1108
I6
1
AGC
1109
AGC
62
I1
IF-AUDIO
I3
QSS
64
MIXER
63
AM
DEMO
1104
I4
1105
5
I12
K2
INPUT/OUTPUT
CVBS SC1
CVBS SC2
E-7502
CVBS SC3
SCART 1
13
21
CVBS Y FRONT
7200
14
20
Y/CVBS
FRONT C
6
SC2 C
4
22
FBL
R/C
22
CVBS SC2
G
10
7501
SCART 1
STATUS 1
IN
B
L
12
15
L
11
R
1
R
2
16
SCART 2
10
21
13
20
CVBS
FBL
R
7501
G
SOUND
K3
SCART 1
A FRONT
PROC.
IN
STATUS 2
B
L
9
17
L
8
R
R
1
2
18
SCART 3 (OPTIONAL)
21
14
20
CVBS
I12
STATUS 3
19
L
20
R
1
2
16
15
R+L
R
L
18
17
7
5
2
6
4
3
1
20
19
1
3
11 0333
1 2 3 4 5
6 7 8 9
10
1
2 3 4 5 6 7 8 9
10
11
O
0333
SIDE I/O
A3
0346
0346
Y
1
1
L
2
3
2
2
C
3
3
R
1
4
5
SVHS
A4
CVBS
L
R
MG2.1E
K5
FEATUREBOX (ECO)
7560
SAA4961
7606
FROM
FROM
EF
SCART1
SCART2
COMB
FILTER
R G B
R G
B
14
26
28
29
36
37 38
41 42 43
RGB
MATRIX
V3A
Y
U V
3655
V3B
Y
Y
49
Y
Y
Y/U/V
U
50
PROC.
3657
SWITCH
51
V
V3C
VIDEO
U
V
SWITCH
3659
+
CONTROL
C
DECODER
C
C
PAL
PROC.
NTSC
SECAM
10
S1
VA
61
SYNC
V-SYNC
3633
SEPAR.
PROC.
S2
HA
H-SYNC
60
3628
PROC.
16
20
18
26
7561
CVBS TXT
23
24
21
32
CVBS PIP
TO PIP
34
K4
I13
1751
I14
7751
MSP3410 D
21
20
45
2
I
S BUS
SIFM
23
DEMO-
CLOCK
7
29
DULATOR
IN
5
28
SIF
25
OUT
4
36
WS
6
33
AM SOUND
28
I15
R-SC1
30
A7
DSP
L-SC1
31
R
ADC
DIGITAL
57
R-SC2
33
SOUND
DAC
L
56
PROC.
L-SC2
34
A8
R-SC3
36
ADC
L-SC3
37
A24
R
R-FRONT
39
51
DAC
L-FRONT
40
L
50
A22
A25
R
48
DAC
L
47
A20
A23
R
60
DAC
59
L
A21
21
22
30
VIDEO CONTROL+
K6
GEOMETRY
7608
7607
7616
+8V6
MEMORY
PRO-
MEMORY
EEPROM
1
ZONIC
2
3434
7009
SAA4978
20
7402
PICNIC
TDA
9178
F1
2414
Y
12
6
19
Y
28
7610
3647
23
F2
TOPIC
2415
3X
SIGNAL
3X
U
14
8
17
U
27
7611
3648
ADC
PROC.
DAC
25
F3
2416
V
15
9
16
V
26
7612
3649
26
3
R
FOR
G
PIP
B
VD
29
V-SYNC
19
23
PROC.
F4
HD
28
H-SYNC
18
24
PROC.
F5
3V3
4
+5VA
+3D
3
7613
+3A
MC33269D
LIGHT SENSOR
AUDIO DOLBY
7772
LM833D
A18a
3
1
7
7770
DASCO-N1B
A15a
7775
16
HEF4052
0328
20
5
3
R
1
DOLBY
1
DIGITAL
2
14
SOUND
13
L
3
PROC.
9
12
4
C
5
6
7
A16a
8
SW
9
10
7756
11
7753
LM833D
CINCH
HEF4052
A12
OUT
5
1
R
1
3
5
3
7
L
12
2
13
14
5
TO
A13
SCART 2
CONSTANT
7758
7752
LEVEL
LM833D
HEF4052
A16
1
3
3
1
5
R
12
8
13
5
7
14
TUNER
L
9
SIGNAL
A17
R
11
L
7757
12
NJM4556AM
A14
TO
SCART 1
5
7
R
21
3
1
L
22
HEAD-
A15
PHONE
7300
TDA9330
HOP
0340
0340
1
1
EHT-INFO
2
2
R
40
7420
3
3
4
4
5
5
Y/U/V
RGB
G
41
7419
6
6
RGB
INSERTION
MATRIX
7
7
8
8
B
42
7418
9
9
Y U V
R G B
BLC-INFO
S8
E/W
3
E/W DRIVE
RGB
DRIVE
YUV
MATRIX
S5
2
VD-NEG
V-DRIVE
1
VD-POS
PROC.
S6
8
HD
H-DRIVE
PROC.
0224
S7
1
2
9
13
35
36 37
25
3
S3
S4
4
R G B
DAC-HOP
0311
5
1
2
3
VFB
HFB
4
VFB
5
6
HFB
7
LIGHT SENSOR
VFB
VFB
HFB
R
G B
A4
AUDIO AMPLIFIER
A1
0336
1
7740
2
A9
A6
TDA2616Q
0328
3
R
1
AUDIO-R
9
6
2
A10
A5
A2
3
AUDIO-L
1
4
0335
4
AUDIO-SL
1
5
AUDIO-C
2
A12
6
3
+7V7
L
7
A11
8
-7V7
A3
9
AUDIO-SW
0337
10
SOUND-ENABLE
3
A8
11
DC PROT
7750
2
SUB
TDA2616Q
1
WOOFER
9
6
A4
1
4
0338
1
A7
2
CENTER
3
6767 (MC78MO5)
6770 (MC78MO5)
+VS
+7V7
-VS
-7V7
1
3
1
3
2
2
TOP
MAINSWITCH PANEL
0241
P
E
CONTROL
(PARTLY)
50Hz/60Hz
1
2
ON/OFF LED
RC5
3
6051
G
R
+5V STB
4
5X
5
IR
1050
6
MENU
RECEIVER
7
IR-(SERVICE)
CHANNEL +
LED
8
0345
0245
CHANNEL -
6052
9
1
1
VOLUME +
LIGHT
10
2
2
VOLUME -
SENSOR
6070
11
3
3
KEYBOARD
F
CRT/SCAVEM PANEL
7400, 7405
7414, 7415
0383
R-VC
1
SCAVEM
2
SCAVEM
G-VC
COIL
PROC.
B-VC
3
7350
TDA6111Q
3
6
R
EHT-INFO
CRT
F6
7340
R-Vc
TDA6111Q
F5
F3
G-Vc
3
6
G
F1
B-Vc
7330
F4
F2
TDA6111Q
3
6
B
BLC-INFO
3381
3387
3380
0344
3372
VG2
FOCUS
EHT
+12V
+13VD
FROM
LOT
+VD
3373
+200A
+200D
TO SUPPLY
AND DEFLECTION
BLOCK DIAGRAM
HFB
K7
TXT & CONTROL
T12
T14
T11
T13
7003
T16
SAA5800
R
CVBS FOR TXT
5
OTC
77
R
G
7
78
G
PEAKING FILTER
B
79
B
80
FADING
H
83
86
SDAO
2
V
84
85
SCLO
I
C0 BUS
88
SDA1
2
I
C1 BUS
87
SCL1
+5V-STANDBY
16
+3V3-STANDBY
1001
6MHz
17
104
STBY
3043
POR
74
SERVICE PINS:
FLASH
0356
MEMORY
118
1
RESET
SAM
2
7013
7007-
OSD
96
3
SDM
TXT
7014-7016
7008 (M24C32)
EEPROM
NVM
7002 (M27V800)
0341
ROM
1
MAINSCLOCK
93
2
113
ON/OFF LED
3
RC5
100
7001 (PP424260L)
4
+5V STANDBY
5
90
IR LED
RAM
6
7
KEYBOARD
107
8
TO .........
9
7013 (M29W400T)
10
11
FLASH
RESET
CL. 86532059_002.EPS
060898
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