Chroma - Panasonic CT-27SL15 Service Manual

A B
8
FROM/TO COMB FILTER
V_IN[YUV]
VIDEO_IN1
U_IN[YUV]
Y_IN[YUV]
VIDEO_IN3
7
R657
6
C_V_OUT_SW
Y_V_OUT_SW
P.CON+5V
7
VIDEO_OUT
P.CON+8V[A]
FSC_OUT
5
FROM/TO TUNER/STEREO
TUNER_VIDEO
TUNER+5V
P.CON+5V
TO SOUND
4
P.CON+8V[A]
FROM POWER
UNREG+12V
GND
3
FROM/TO DEFLECTION
P.CON+5V
P.CON+8V[A]
GND
V_OUT
EW_OUT
H.OUT
H_SYNC
ABCL
2
1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
G-3
C
CHROMA SCHEMATIC DIAGRAM
75
R603
330 1/2W
2.7
48
2.2
C641
P.CON+5V REG
C IN(Y/C)
Q606
R602 R649 0.1 B
KTC3209_Y 0
NC(GND)
7.2 5.0
15 3W 10 3W C642
3.0
5.0
Y IN(Y/C)
5.5
P.CON 5V REG 50V 1 KA
7.2
8.7
Q602
VREG VCC
5.5
KTC3209_Y
P.CON 5V 1.9
REG CVBS4
5.0 7.2
Q604
R610
5.7
5.5 KTC3209_Y
5.7V VREG OUT
100
3.2
fsc OUT
0
NC
NC
0
FAST YUV
2.8
DELAYDE Y OUT
3.0
EW OUT
3.0
VIDEO LINE OUT
8.7
8.7 VREG OUT
4.0
VRAMP AGC CAP
4.0
V OUT
4.0
8
VRAMP CAP
1
R601
3.2 4.0
10 1W
P.CON 8V REG
Q601
KTC3209_Y
7.9 11.3
8.5
R609
100
R608 C608
1M 680P CH
R607
1M 1/4W
R619
1K
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
C
D E
(MAIN PCB)
W831
R616
120 1/2W
C611 1 B
NC
0 3.0 0 1.2 0 1.9 5.0 1.2 0 1.9 5.6 2.8 0 3.2 0
47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
3.6
Y SW OUT
0
NC
NC
5.0
MCU RESET
NC
3.5
MCU CLOCK OUT
NC
5.0
47 NC(GND) 33 V/C GND P_CON CONT
48 Y IN(YUV) 34 XTAL 3.58
3.5
SCL
3.5
SDA
4.9
CHROMA IC
CLK CONT
NC
IC601
4.2
M61283BFP
FAST BLK
2.9
R IN
1 HVCO F/B 15 G OUT
2.9
G IN
2 AFC FILTER 16 B OUT
2.9
B IN
4.6
V PULSE OUT
4.9
INV.FBP OUT
4.9
MONITOR OUT
2.1
ACL
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
0 0 0 5.5 0 3.8 8.0 8.0 0 8.0 8.0 4.0 4.0 4.0
NC 15
NC
14
9
13
R635
120K
R636
10
1.5K
R605
100
C636
0.0082 B
5.3
C601
1.4
SVM
Q610
16V 47 KANP
KTC3875S_Y_RTK
0.7
ATTENTION
:LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D E
F G
8.8 4.9
AT+5/5.6V REG
5.5
Q607
KTC3203_Y
R627
100
R628
100
C637 33P CH
C643 33P CH
C644 33P CH
W805
11
R629 D608
6.8K 11E1-EIC
R620
R623
220 1/4W
R626
220 1/4W
C627 33P CH
220 1/4W
C635 33P CH
C639 33P CH
C604
100P CH
0
R647
0
SVM OFF
Q613
4.7K
KTC3875S_Y_RTK 0
CAUTION
:SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
F G
H
8
7
FROM/TO MICON
6
AT+5/5.6V
PROTECT
SW_Y_OUT
POWER
SCL 5
SDA
OSD_BLK
OSD_R
OSD_G
OSD_B
VD
4
HD
SYNC_OUT
OSD_Y
CLAMP_OFF
3
TO CRT/SVM
CP802A (CP802B)
B2013H02-7P
P.CON+8V 1
GND(SIGNAL) 2
R.OUT 3
G.OUT 4
B.OUT 5
CLAMP_OFF 6
VM COIL 7
2
PCB070
CME021
1
H
G-4