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A
B
FROM/TO MICON
8
PROTECT
AT+5V
AT+5V_BACKUP
VD
OSD_R
OSD_G
OSD_B
OSD_BLK
SDA
SCL
AFT_M
7
VCR_POWER_H
HD
POWER_OFF_H
6
C612
6.3V
470
YK
13
12
1.8
AGC
1
2
2.5
3
NC
2.5
SCL
4
2.5
SDA
5
5
6
4.9
+5V
7
8
29.3
+30V
9
10
0
IF
11
15
14
4
C602
0.022 F
W871
W901
3
FROM/TO POWER
AT+30V
GND
UNREG+8V
AT+12V
P.CON+5V_SW
AT+5V
H_GND
2
R.SIGNAL
G.SIGNAL
NOTE:
THE RESISTOR MARKED F IS FUSE RESISTOR.
B.SIGNAL
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
COLOR SIGNAL
IS NON POLAR ONE.
LUMINANCE SIGNAL
DEFLECTION SIGNAL
1
NOTE:
THE DC VOLTAGE AT EACH PART WAS MEASURED
TUNER VIDEO SIGNAL
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
PLAYBACK VIDEO SIGNAL
A
B
G-9
C
CHROMA/IF SCHEMATIC DIAGRAM
AT+5V
KTC3203_Y
W895
TU_VIDEO
CF604
2.6
R620
EFCT4R5MW5
1.9
0
100
BUFFER
Q601
2SA1037AK
W865
CF603
R615
EFCT4R5YS5A
470
INT-MONI
2.0
2.0
48
47
2.3
R608
10K
R612
2.4
AUDIO_OUT
680 1/4W
2.3
C625
AUDIO BYPASS
1 F C631
3.0
Y/C_AUDIO
EXT AUDIO IN
C623
0.0047 B
1 F
2.0
TU_AUDIO
FM DIRECT OUT
3.2
R618
10M
C632
VIF VCO F/B
C624
50V
2.2
KA
9.0
R607
16V
47
YK
VREG Vcc
560 1/2W
3.0
D601
1SS133
VIF APC FILTER
C627
S805X
2.2
R609
680
D602
VIF VIDEO OUT
MTZJ8.2B
C618
330P CH
50V
1
KA
0
VIF GND
0
C621
0.01 F
2.4
AFT_M
AFT OUT
R614
390K
2.9
NC
QIF IN
R601
2.3
RF AGC OUT
2.2K
C622
2.7
IF AGC FILTER
0.22 B
1.5
C634
0.01 F
1
2
L601
1.5
5.0
CHROMA IC
3192001
IC601
M61206FP
SAW FILTER
CF601
SAFGP45M7VFYZR0B
IN
IN
G
OUT
OUT
1
2
3
4
5
C656
0.01 F
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
(SYSCON PCB)
W915
11.0
8.2
REG.
Q606
4.8
8.3
REG.
8.8
KTC3203_Y
Q603
D608
4.8
8.0
KTC3203_Y
5.5
REG.
REG.
SB140-EIC
REG.
Q602
Q605
5.5
Q604
KTD863_Y
KTD863_Y
8.3
5.0
5.0
8.3
W801
5.6
5.6
B604
W4BRH3.5X6X1
C648
50V
C672
0.01
F
NC
NC
NC
8.2
8.2
8.2
4.0
5.5
3.7
5.6
0
0
3.2
3.2
2.0
8.8
46
45
44
43
42
41
40
39
38
37
36
35
34
33
3.3
3.0
0
R IN
4.7
V PULSE OUT
0
G IN
46 SW REG CONT
34 EXT C in
47 LIMITER IN
33 8.7V REG OUT
0.1
FAST BLK
48 IF AGC
32 X'TAL
49 QIF OUT
31 ACL/ABCL
7.3
PROTECT
50 AUDIO OUT
fsc OUT
NC
C659
4.9
6.3V
100
4.9
VIDEO CHROMA Vcc
4.8
V RAMP CAP
2.0
V RAMP FEEDBACK
64 VIF IN
17 V OUT
0
B IN
1 VIF IN
16 B OUT
8.0
STRAT UP Vcc
8.0
3.7
3
4
5
6
7
8
9
10
11
12
13
14
15
16
5.0
2.5
3.2
0.4
2.6
0
0
3.0
3.3
4.0
4.0
4.8
2.8
3.0
C675
68P CH
D620
1SS133
CAUTION:
SINCE THESE PARTS MARKED BY
ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D
E
F
G
R669
470
0.22
KA
R638
R646
15K
18K
C665
16V
10
KANP
R642
D605
10K
11ES1-EIC
R647
2.2K
R643
VD
47K
R648
2.2K
OSD_BLK
C658
R652
0.22
B
4.7K
C688
C630
W827
0.068
B
100P CH
KA
C664
63V
1
MKT
R641
18K
R649
2.2K
W874
V_OUT
OSD_R
OSD_G
OSD_B
D621
W850
1SS133
HD
S818X
W872
CUT_OFF
D619
B.OUT
G.OUT
1SS133
R.OUT
W828
H_GND1
R650
HEATER
CUT OFF SW
470 1/4W
Q608
180V
KRC111SRTK
C662
1.0
POWER_OFF_H
0.4
50V
10
KA
0
3.6
0
H.CONTRO
Q612
KRC102SRTK
0
R667
1.2K 1/4W
H_GND
ATTENTION:
LES PIECES REPAREES PAR UN
ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
F
G
H
8
FROM/TO Y/C/A/CCD/HEAD.AMP
7
SD_VIDEO
TU_VIDEO
TU_AUDIO
Y/C_AUDIO
VD
TO IN/OUT
INT-MONI
B.OUT
AT+5V
TO SOUND AMP
6
AUDIO_OUT
FROM/TO DEFLECTION
5
AT+5V
ACL
GND
V_OUT
HEATER
V_FEEDBACK
180V
H_OUT
H.PLUSE
H_GND
4
TO CRT
CP851A
(CP851B)
B2013H02-10P
GND
3
10
CUT OFF
9
B.OUT
8
G.OUT
7
R.OUT
6
NC
NC
5
H GND
4
HEATER
HEATER
3
NC
NC
NC
2
180V
180V
1
FROM POWER
R672
AT+12V
2
1K 1/4W
0.8
PROTECT
5.0
Q609
KRC111SRTK
0
PROTECT
PCB010
VMA244
CAUTION: DIGITAL TRANSISTOR
1
H
G-10
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