A | B |
8
FROM TV POWER
UNREG+12V
7
6
C | D | E | F |
CHROMA SCHEMATIC DIAGRAM
(MAIN PCB)
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| 6 |
| R629 |
| 33 3W |
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| REG |
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| REG |
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| Q604 |
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| Q605 |
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| KTC3203_Y | KTC3203_Y |
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| 7.2 | 4.9 |
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| R623 | 1/4W120 |
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| 4.9 | 7.2 |
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| REG |
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| 7 |
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| 5.5 |
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| 5.5 |
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| Q606 |
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| KTC3203_Y | ||||
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| 7.9 | 11.3 |
| 8.8 |
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| CF604 |
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| YK |
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| YK |
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| C625 | KA |
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| 8.5 | |
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| 100R635 | 16VC63547 | C630 |
| 47 |
| NA150V | 50V8.2K1 | C622 | M0.015 | R639 |
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REG |
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| R622 | 15uH 68 |
| C650 | SL 100P | W816 | C627 | R633 |
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| 5.5 |
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| 16V |
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| 100 |
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Q603 |
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| L607 |
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KTC3203_Y | 4.9 |
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| CF603 |
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| R615 |
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| R628 |
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| C647 |
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| L606 | 2.2uH | 0.01Y |
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| 100 |
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| C616 | 15PCH |
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| EFCT4R5YS5A | C636 |
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| R638 | 50V 1 KA | |||||||
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| 470 |
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| 22K |
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| R646 |
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G | H |
FROM SOUND/AV
VIDEO_IN
8
7
6
FROM/TO SOUND/AV
5
W806
AUDIO_OUT
C642
AUDIO_IN
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| R634 |
R611 | 10K | 10K |
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| C604 |
| C655 | 50V 1 KA |
49 2.3
50 2.4
51 2.2
3.02.2 NC0
48 47 46
AUDIO OUT
AUDIO BYPASS
7.9 | 7.9 | 0 | 0 |
45 | 44 | 43 | 42 |
Hi Vcc |
| INTELLIGENT MONI | MCU RESET |
5.70
41 40
OUT(FOR CPU) | Y SW OUT |
REG |
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5vREG |
| VIDEO/CHROMAGND | TV/YIN | APCCHROMAFILTER |
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| 313032 | 0 | 3.579545MHz | 68K |
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5.6 | 0 | 0 | 2.5 | 3.2 | 1.9 | 8.5 | X602 |
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| C638 | |
39 | 38 | 37 | 36 | 35 | 34 | 33 |
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| 50V 4.7 KA | ||
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| 3.3 |
| R642 | D605 |
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| ACL/ABCL |
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| 2.6 |
| 22K | |||
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| R IN |
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W827 | 50V 1 KA |
GND
5
R632
220
W817
FROM/TO MICON/TUNER
4
Y_VIDEO
AT+5V
SYNC
TUNER+5V
RESET
AFT
AGC | L601 |
IF 1.2uH
| 0.0068 | Y |
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| C623 | 0.0033 | M | ||
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| C632 | 50V 2.2 | KA | ||
R618 | 10M 1/4W |
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D602 | MTZJ8.2B |
| YK |
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| KA |
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D601 | 1SS133 | C624 | 16V 47 | R609 C605 |
| 50V 0.47 | C618 | 22P SL |
| 470 | |||||||
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| C621_1 |
| 0.01 Y |
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| C626 | 0.001 Y |
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| C602_1 | 0.01 | F |
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R606 | 10K |
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| C606 |
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50V | 0.22 | KA | SAW FILTER |
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| CF601 |
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| SAFGP45M7VHCZR |
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| IN | IN | G OUTOUT |
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| 1 | 2 | 3 | 4 | 5 |
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52 3.0
53 2.9
54 3.2
55 8.7 56 3.2
57 2.2
58 0
59 0 60 1.9 61 2.8 62 4.6 63 2.9 64 1.5
C609
0.1 F
EXT AUDIO IN
FM DIRECT OUT
VIF VCO F/B
VREG Vcc
VIF APC FILTER
VIF VIDEO OUT
VIF GND
AFT OUT |
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QIF IN |
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RF AGC OUT |
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RF AGC FILTER |
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| VIF Vcc |
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| 1 | 2 | 3 |
| 1.5 | 4.9 | 4.9 |
C634 | 0.01 Y |
| C639 |
46 SW REG CONT
47 LIMITER IN
48 IF AGC
49 QIF OUT
| 64 VIF IN (1) |
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| 1 VIF IN (2) |
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H VCO F/B | SCL | FBP IN | H OUT |
4 | 5 | 6 | 7 |
0 | 4.9 | 0 | 0 |
Y | 22K | R601 | 2.2K |
0.01 | R626 |
5.7V |
CHROMA IC IC601
M61206FP
DEF
89
0 0
9
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| V PULSE OUT | 29 | |||
34 EXT C in |
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| G IN | 28 | |||
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33 8.7V REG OUT |
| FAST BLK | 27 | |||||
32 X’TAL |
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| SPOT KILLER | 26 | |||
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| fsc OUT | 25 | ||
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| 24 |
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| VIDEO CHROMA Vcc23 | ||||
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| V RAMP CAP | 22 | |||
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| V RAMP FEEDBACK | 21 | |||
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17 V OUT |
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| B IN | 20 | |
16 B OUT |
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OUTFBPINV | ONPOWERCONT | OUTR | OUTG |
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| 1817 19 | ||
SDA | FILTERAFC |
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| STRAT UP Vcc |
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| V OUT |
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10 | 11 | 12 | 13 | 14 | 15 |
| 16 |
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4.9 | 3.4 | 3.9 | 4.9 | 2.0 |
| 2.0 | 2.0 | |
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| 11 | 12 |
| 13 |
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4.7 |
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0 |
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0 |
| C645 |
NC |
| 16V 47 YK |
7.0 |
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2.8 |
| W810 |
NC |
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4.9 |
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4.9 |
| C613 |
4.7 | R641 | 50V 1 YK |
2.822K
0
7.9 | 10 | |
| W818 | |
3.6 | YK | |
10V 1000 | ||
C612 |
FROM/TO DEFLECTION/CRT
V_OUT
ABCL
V_FEEDBACK
GND
H_OUT
H_SYNC
5
4
3
R624 |
2K | 8 |
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C603 50V 1 KA | 0.01 Y | MTZJ12B | MTZJ12B |
R627
R630
100
100
B.OUT
G.OUT
3
GND
HD
POWER
OSD_B
OSD_BLK
2OSD_G VD
OSD_R
I2C_OFF
SDA
SCL
C601 | 6.3V 1000 YK C637 | 0.01 Y | R602 | 470 |
R605 | 4.7K C607 | D610 | D611 | R614 2.2K | R619 2.2K | R625 2.2K | D612 | MTZJ12B |
R631
R617
SWITCHING
Q607
DTC114ESTP
0
4.9
0
100
1K
R620 | 12 |
D613 | 1SS133 | D615 | 1SS133 |
D616 | 1SS133 |
R613_1
560 1/2W
R.OUT
CLAMP
TEST POINT
CP601
B.OUT 6
INT.MONI 5
IIC_OFF 4
SDA 3
SCL 2
GND 1
R.SIGNAL
PCB010
G.SIGNAL TMA511
CAUTION: DIGITAL TRANSISTOR | B.SIGNAL |
2
1 | NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME | NOTE: THE DC VOLTAGE AT EACH PART WAS MEASURED | CAUTION: SINCE THESE PARTS MARKED BY | ARE | ATTENTION: LES PIECES REPAREES PAR UN | ETANT |
| OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE | WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST | CRITICAL FOR SAFETY,USE ONES |
| DANGEREUSES AN POINT DE VUE SECURITE | |
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| WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL. | DESCRIBED IN PARTS LIST ONLY |
| N’UTILISER QUE CELLS DECRITES |
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| DANS LA NOMENCLATURE DES PIECES |
DEFLECTION SIGNAL TUNER VIDEO SIGNAL
1
| A | B | C | D | E | F | G | H |
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