Block Diagram Ibo Zapper - Philips L04E Service Manual

Block Diagrams, Testpoint Overviews, and Waveforms
Block Diagram Video
IBO-ZAPPER K6 K1 K2 K3 K4
FRONT END
+5VClean
5602
1600
TD1316L 11
14 IF1
RF-IN
DIGITAL
AUDIO AND
TUNER 15 IF2
PROCESSING
FOR COMPLETE
BLOCK DIAGRAM
SEE BLOCK DIAGRAM
IBO-ZAPPER
A4
SEE BLOCK DIAGRAM AUDIO HERCULES
TO
SSIF
AUDIO
PART
7200-A (IF)
A4
TUNER IF
A2 VT_SUPPLY
7003
9002
SSIF
+5V
6001
BZX79-C33
9003 5001
PHASE
+5VS
DISC
1000 6 7 8 9
VT
F002
10 1002
FM-RADIO
ERR
FM 1003
10 TUNER
FM VIF_1 105
F004
+
11
IF VIDEO
TV TUNER
TV VIF_2 104 IF
AGC
5 4 1
I002
3001
RF_AGC 98
A4 SDA TUNER IF
I001 AGC
3000
A4 SCL
1004
SIF1 100
7001
AUDIO IF
FILTER SIF2 99
QSS/AM
A4 SEL-LLPIM
SELECTION
A8
REAR I/O SCART (VIDEO PART) SC1-CVBS-OUT
SCART 1
21
7701
SC1-CVBS-IN
20
19
F201 2V / div DC
SC1-FBL
16
SC1-RED-IN 15 F203 2V / div DC
SC1-GREEN-IN 11
SC1-STATUS
8
A4
7
SC1-BLUE-IN
A4
HERCULES
SC1-R/G/B
SCART 2
21
20 SC2-Y/CVBS-IN
SC2-CVBS-OUT
19
16
SC2-CHROMA-IN
15
11
SC2-STATUS/ITV_MSG
8
7 A4
SC2-CHROMA-IN
D A5
SIDE AV CONNECTION
Y
Pr
1252 1207
SIDE_CHROMA_IN
Pb
Y 7 7
6 6
2 3
SIDE_Y/CVBS_IN
SVHS C 5 5
1 4
5
7607 INTF_CVBS_IN
VIDEO
IN
SEL_SC2_INTF
A4
SELECT
7606
SW_SC2_CVBS
L04E AB 6.
K5
ANALOG BACK END
1212
GREEN/Y 1
BLUE/U 3
RED/V 5
A5
DIGITAL
1219 1219
VIDEO
R1
1 1
L1 3 3
CVBS_VCR 5 5
1206
I2C_TV_SDA
1
I2C_TV_SCL 2
TV_IRQ
3
ERR
17,18
7200-B (CVBS I/O + FILTERS + COLOUR DECODING)
SC1_CVBS_OUT
86
SWITCH
SW_SC2_CVBS 81
VCO
PLL
SC1_CVBS_IN 74
SOUND
VIDEO
TRAP SC2_Y/CVBS_IN 71
DEMOD
SIDE_Y/CVBS_IN 78
CVBS1
PLL
SC2_CHROMA_IN 70
FM/QSS SIDE_CHROMA_IN 77
SOUND
TO
MIXER
AUDIO
PART
AM
AM
SOUND See block
diagram
DET.
AUDIO
F205 F206 F240 F241
500mV / div DC 1V / div DC 500mV / div DC 500mV / div DC
10ms / div 20µs / div 20µs / div 20µs / div
7200-D (YUV PROCESSING)
WHITE/BLACK
RGB
STRETCH
ADDER
GAMMA COR.
PEAKING
R_Y
G_Y
TINT CONTROL
SATURATION MATRIX
SKINTONE
B_Y
SCAVEM
PROC.
F216 F217 F218 F224 F225
1V / div DC 1V / div DC 1V / div DC 500mV / div DC 500mV / div DC
20us / div 20us / div 20us / div 20us / div 20us / div
22
H
LTI/CTI
1214
1
3
5
INTF_R_IN
SEE
BLOCK DIAGRAM
INTF_L_IN
AUDIO
INTF_CVBS_IN
1216
1
N.C.
SC1_R/G/B
SC1_FBL
OUTPUT 65
N.C.
SWITCH
INTF_CVBS_OUT
Yint Yint
CVBS/Y
INPUT
COMB
SWITCH
FILTER
&TRAP
SWITCH Uint
PAL, NTSC
C CHROMA/CVBS
SECAM
DECODER
Vint
VIDEO
IDENT
F242 F331 F332 F333
500mV / div DC 500mV / div DC 500mV / div DC 500mV / div DC
20µs / div 20µs / div 20µs / div 20µs / div
7200-E (RGB PROCESSING + CATHODE CALIBRATION)
FROM µP PART
3226
R 42
BLUE BRIGHTNESS
CLAMP
STRETCH + 3227
OSD CATHODE OUTPUT
G + 43
& PEAK WHITE
INSERTION CALIBRATION STAGE
MUTE
CONTRAST
LIM. 3228
B 44
45
BEAM
CURRENT
LIM.
46
64
7308
BCL
A2
F226 F338 F339 F341
500mV / div DC 50V / div DC 50V / div DC 50V / div DC
20us / div 20us / div 20us / div 20us / div
7611 7610
7630
MM1389XFBE TDA9178T
7635
7636
INTF_Y_OUT
1
CLAMP
6 6
INTF_Y 3-STATE YIN
16
CLAMP
LTI/CTI
INTF_U_OUT 14
UOUT
CLAMP 5 8
3-STATE UIN PROC.
INTF_Pb 11
CLAMP
INTF_V_OUT 8
CLAMP
3 9
INTF_Pr 9 3-STATE VIN
ERR
CLAMP
15
SC
CTL CLAMP
1
2,7,12 10
PULSE FORMER
INTF_FBL
A5
F224
1212 1212 1215
INTF_V_OUT 1 1 1 SDA
F225
INTF_U_OUT SCL
2 2 3
F226
INTF_Y_OUT 3 3
(RGB/YPrPb/YUV
7200-C INPUT SWITCHING)
51 50 49 53 54
YPrPb2/ RGB2/
YPrPb3 RGB3
SELECTION SELECTION
DVD RGB DVD
TO TO TO
DVD DVD YUV
Yint
Uint
Vint
52 INSSW3 YUV
SELECTION
SC1_FBL RGB
LOGIC
DVD
B2
SCAVEM
ROT
A5 B3
CRT INTERFACE PANEL
1405 1383
SVM
B1
CRT
F240
F241
F242
F331
1204 1465 1431 1331
B
BOUT 1 1 1 1 B
G
G
GOUT 2 2 2 2
R
ROUT 3 3 R
3 3
BC-INFO
IBLACK 4 4
4 4
5 5 5 5
F333
BC_INFO
SVM
SVM 6 6 6 6 SVM
ROT
7 7 7 7 ROT
6404 VSVM
6403 6405
6401 3401 +200V
6405
3351
+200VA
2401 6402 2403
2351
A4 1401 1466 1351
VSVM VSVM
1 1 1
+200V +200V
2 2 2
FILAMENT FILAMENT
3 3 3
TO 1401
A2 4 4 4
DEFLECTION
EHT-b EHT-b
5 5 5
A5
CONN.
1212 1212 F216
19 Y_2 4 4 INTF_Y/GREEN_IN
YOUT
17 Pb_2 6 6 INTF_Pb/BLUE_IN
INTF_Pr/RED_IN
16 Pr_2 8 8
VOUT
F217
F218
SANDCASTLE 10 10 SANDCASTLE
A4
SEE BLOCK DIAGRAM
DEFLECTION
1206 1206
SDA 1 1 E
SCL D
3 3
A4
INTF_FBL 6 6 INTF_FBL
SEE BLOCK DIAGRAM CONTROL
55 57 58 59
DIGITAL SIGNAL PROC.
- 4:3 LINEAR/NON-LINEAR SCALING
- DOUBLE WINDOW PROC.
ADC DAC
YUV
TO
DVD
Y
Pr
Pb
FILAMENT
6383
1381
1
ROTATION
ROTATION
COIL
2
OUTPUT
(OPTIONAL)
VSVM
1361
1
SCAVEM
SCAVEM
COIL
2
OUTPUT
(OPTIONAL)
+200VA
7330
F341
3332 1332
3
7 B AQUADAG
11
F332
F338
3334
1 B
9 G 6
G CRT
8
F339
3336
2 R
8 R
10 9 5 7 1
5
25kV
FILAMENT
A2
FROM DEFLECTION
5352
E_14970_028.eps
080904