22L04E AB 6.
Block Diagrams, Testpoint Overviews, and Waveforms
Block Diagram Video
E_14970_028.eps
080904
HERCULES
CRT INTERFACE PANEL
A4
HERCULES
A4
A4
CRT
B1
A5
SCAVEM
B2
A2
7200-E (RGB PROCESSING + CATHODE CALIBRATION)
CONN.
A5
A5
LTI/CTI
H
1212
1206
1212
12061215
4
6
8
INTF_Y/GREEN_IN
INTF_Pb/BLUE_IN
INTF_Pr/RED_IN
10
1
3
SANDCASTLE
E
D
6
4
6
8
10
1
3
1
3
6
INTF_FBL
Y_2
YOU T
UOUT
VOUT
SC
YIN
UIN
VIN
Pb_2
Pr_2
19
17
16
1
102,7,12
SANDCASTLE
SDA
SCL
SDA
SCL
INTF_FBL
7630
7635
7636
FRONT END
K6
ANALOG BACK END
K5
A5
K1 K2 K3 K4
13311204
1
42
43
44
2
3
5
3334
3336
3332
1381
6383
1
2
ROTATION
COIL
(OPTIONAL)
1351
BC_INFO
SVM
ROT
B
B
G
R
BC-INFO
SVM
VSVM
+200V
FILAMENT
EHT-b
ROT
G
R
F341
F333
F331
F338
F339
F241
F240
F242
4
7
6
1
2
3
5
4
7
6
7330
7610
TDA9178T
LTI/CTI
PROC.
7611
MM1389XFBE
PULSE FORMER
3
1
2
7
5
9
8
B
G
R
+200VA
ROT
+200VA
+200V
VSVM
FILAMENT
DINT
ROTATION
OUTPUT
3351
34016401
6403
6404
6405
2401 24036402
6405
3226
3227
3228
2351
1
2
3
4
5
B
G
R
CRT
25kV
FOCUS
DEFLECTION
FROM DEFLECTION
A2
TO 1401
DEFLECTION
EHT
VG2
11
6
8
10 9 5 7 1
1332
AQUADAG
A2 A4
F332
1361
1
2
SCAVEM
COIL
(OPTIONAL)
SVM
59
SCAVEM
OUTPUT
VSVM
5352
FILAMENT
1465
1
2
3
5
4
7
6
VSVM
+200V
FILAMENT
EHT-b
13831405
YUV
Y
Pr
Pb
DAC
DIGITAL SIGNAL PROC.
- 4:3 LINEAR/NON-LINEAR SCALING
- DOUBLE WINDOW PROC.
ADC
YUV
TO
DVD
DVD
TO
YUV
RGB
RGB
TO
DVD
RGB2/
RGB3
SELECTION
(RGB/YPrPb/YUV
INPUT SWITCHING)
DVD
TO
DVD
YPrPb2/
YPrPb3
SELECTION
DVD
6
8
9
6
1
16
5
3
1212
1
2
3
1216
1
1214
1
3
5
1212
1
2
3
INTF_Pr/RED_IN
55
INTF_Y_OUT
54
INTF_U-OUT
58
INTF_Pb/BLUE_IN
57
INTF_Y/GREE_IN
INTF_CVBS_OUT
N.C.
65
49
SC1_RED_IN
50
SC1_GREEN_IN
51
SC1_BLUE_IN
53
INTF_V-OUT
3-STATE
14
11
3-STATE
8
9
3-STATE
R
G
B
INTF_FBL
INTF_V_OUT
INTF_U_OUT
INTF_Y_OUT
INTF_Y_OUT
INTF_U_OUT
INTF_V_OUT
INTF_Y
INTF_Pb
INTF_Pr
45
46
64
FROM µP PART
B3
R_OSD
G_OSD
B_OSD
FBL
BEAM
CURRENT
LIM.
1431
1
2
3
5
4
7
6
IBLACK
ROUT
GOUT
BOUT
SVM
ROT
YUV
RGB
DVD
SELECTION
LOGIC
Yint
Uint
Vint
YintYint
CHROMA/CVBS
C
CVBS/Y
Uint
Vint
INSSW352
7200-C
7200-B (CVBS I/O + FILTERS + COLOUR DECODING)
7200-A (IF)
PAL, NTSC
SECAM
DECODER
COMB
FILTER
&TRAP
SWITCH
VIDEO
IDENT
70
77
74
71
78
SC2_CHROMA_IN
CVBS1
SIDE_Y/CVBS_IN
SC2_Y/CVBS_IN
81
SIDE_CHROMA_IN
INPUT
SWITCH
OUTPUT
SWITCH
R_Y
G_Y
B_Y
SCAVEM
PROC.
7200-D (YUV PROCESSING)
Y
Pr
Pb
I002
I001
F002
F004
SDA
SCL
TO
AUDI O
PAR T
SSIF
50019003
FM-RADIO
TUNER
+
TV TUNER
3001
3000
6001
BZX79-C33
TUNER IF
A8
REAR I/O SCART (VIDEO PART)
D
SIDE AV
A5
CONNECTION
A4
A4
A2
1000
6 7
98
1
11
SSIF
VIF_1
VIF_2
SIF1
SIF2
RF_AGC
+5VS
VT_SUPPLY
VT
AGC
5
SEL-LLPIM
A4
4
IF
FM
10
7001
7003
FILTER
SELECTION
1002
1003
1004
ERR
10
ERR
15
TV
FM
9002
+5V
105
104
98
100
99
PLL
PLL
FM/QSS
AM
VCO
VIDEO
DEMOD
SOUND
TRAP
TUNER IF
AGC
VIDEO
IF
PHASE
DISC
AUDIO IF
QSS/AM
SOUND
MIXER
AM
SOUND
DET.
TO
AUDIO
PAR T
See block
diagram
AUDIO
SWITCH
86
1
5
4
32
SVHS
Y
C
VIDEO
IN
1207
7
6
5
1252
7
6
5
CLAMP
CLAMP
CLAMP
CLAMP
CLAMP
CLAMP
SC1_FBL
SC1_FBL
SC1_R/G/B
CATHODE
CALIBRATION
BRIGHTNESS
+
PEAK WHITE
LIM.
OSD
INSERTION
OUTPUT
STAGE
CLAMP
+
MUTE
BLUE
STRETCH
&
CONTRAST
RGB
ADDER
MATRIXSATURATION
TINT CONTROL
SKINTONE
WHITE/BLACK
STRETCH
GAMMA COR.
PEAKING
1351
1351
1
2
3
4
5
1351
1
2
3
4
5
1401 1466
BCL
7308
A4
A4
A4
SEE BLOCK DIAGRAM CONTROL
A4
SEE BLOCK DIAGRAM
DEFLECTION
A4
SW_SC2_CVBS
SC1_CVBS_OUT
SC1_CVBS_IN
SC1-RED-IN
SC1-GREEN-IN
SC1-BLUE-IN
SCART 1
20
16
8
21
19
15
11
7
7701
7607
7606
SC2-CHROMA-IN
SC2-CVBS-OUT
SCART 2
20
16
8
21
19
15
11
7
SEE BLOCK DIAGRAM AUDIO
FOR COMPLETE
BLOCK DIAGRAM
SEE BLOCK DIAGRAM
IBO-ZAPPER
SEE
BLOCK DIAGRAM
AUDIO
F224
F216
F218
F217
F225
F226
11
1600
TD1316L
DIGITAL
TUNER
DIGITAL
AUDIO AND
VIDEO
PROCESSING
15
14
IF1
IF2
5602
RF-IN
+5VClean
CLAMPCTL
N.C.
SELECT
SIDE_CHROMA_IN
SIDE_Y/CVBS_IN
INTF_CVBS_IN
SEL_SC2_INTF
SW_SC2_CVBS
SC1-FBL
SC1-STATUS
SC1-CVBS-OUT
SC1-CVBS-IN
SC1-R/G/B
SC2-STATUS/ITV_MSG
SC2-CHROMA-IN
SC2-Y/CVBS-IN
ERR
17,18
IBO-ZAPPER
1351
1
3
5
1212
GREEN/Y
BLUE/U
RED/V
R1
L1
CVBS_VCR
I2C_TV_SDA
I2C_TV_SCL
TV_IRQ
1351
1
3
5
1219
1
3
5
1219
1351
1
2
3
1206
INTF_R_IN
INTF_L_IN
INTF_CVBS_IN
F201 2V / div DC
F203 2V / div DC
500mV / div DC
10ms / div
1V / div DC
20µs / div
F205
F206
500mV / div DC
20µs / div
500mV / div DC
20µs / div
500mV / div DC
20µs / div
F240 F241 F242
500mV / div DC
20µs / div
500mV / div DC
20µs / div
500mV / div DC
20µs / div
F331 F332 F333
F216 F217 F218
F224 F225 F226
F338 F339 F341
1V / div DC
20us / div
1V / div DC
20us / div
1V / div DC
20us / div
500mV / div DC
20us / div
500mV / div DC
20us / div
500mV / div DC
20us / div
50V / div DC
20us / div
50V / div DC
20us / div
50V / div DC
20us / div
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