Chroma/If Schematic Diagram - Toshiba MV19K2 Service Manual

A B
8 FROM/TO MICON
X_RAY
VCR_POWER_H
TV_POWER_H
HD
VD
OSD_R
OSD_G
OSD_B
OSD_BLK
7
SDA
SCL
AFT_M
TRICK-PB-H
C668
50V 2.2 KA
0.4
SW
0
Q607
DTC124EKA
0
TO DECK SHELD
6 CD605
13 12 B602
1.8
AGC 1
BL01RN1-A63
2
2.5
3
2.5
SCL 4
5
2.5
SDA 5
6
4.9
+5V 7
8
29.3
+30V 9
10
0
IF 11
15 14
R603
4
75
C601 C662 W829
5P CH
50V KA 1
3
FROM POWER
AT+30V
GND
P.CON+5V
P.CON+9V
5.1 5.1
AT+10V
C661 D622 +5V DRIVER
10V 330 11E1N
4.5
YK
2
0
SW
Q621
DTC114EKA 4.5
0
R.SIGNAL
G.SIGNAL
9.1 0 5.1
B.SIGNAL 1 2 3
IN GND OUT
LUMINANCE SIGNAL
COLOR SIGNAL
DEFLECTION SIGNAL
AUDIO SIGNAL(REC)
1
6V REG.
AUDIO SIGNAL(PB) IC601 KIA7806PI
TUNER VIDEO SIGNAL
TUNER AUDIO SIGNAL
A B
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C

CHROMA/IF SCHEMATIC DIAGRAM

L607
100uH
BUFFER
Q602
2SA1037AK
TU_VIDEO
1.8
1.1
0
C647
64
0.001 Y
C624 R619
47
2.4
50V KA 1 150
C625
Y/C_AUDIO
51
2.1
50V KA 1
R611
52
1.2
470
R612 C614
53
2.4
1.5K 0.01 B
C613
54
10P CH 3.1
0
0
0
32
1
AUDIO_OUT
C658 0.8
0.0056 B
C612 0
31
R613
0.0082 B 2
TU_AUDIO
1.0
6.8K 1/4W
C615
3
2.5
0.047 B
4
AGC
SAW FILTER 3.3
IN IN G OUT OUT
5
CF601 C616
1 2 3 4 5
0.01 B
M1958M 2.9
6
C607
2.9
7
0.01 B
0
CHROMA/IF
1
IC604
LA76814BM-MPB
L608
Q620 100uH
2SB892 0607
VCR_POWER_H
CAUTION: SINCE THESE PARTS MARKED BY ARE ATTENTION: LES PIECES REPAREES PAR UN
CRITICAL FOR SAFETY,USE ONES DANGEREUSES AN POINT DE VUE SECURITE
DESCRIBED IN PARTS LIST ONLY N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
C
D E
(SYSCON PCB)
C669 C671 R675
220P CH
0.1 B 1K 1/4W
R656
2.5
100
1.8
BUFFER
Q608
0 2SA1037AK
L613
47uH
35
C675 R621
22P CH 4.7K
TP601
6 1
2
R654
4 3
2.2K
VCO
L610
3602038
NC
0 0 0 0 4.3 4.3 2.9 0 3.2 2.0 2.6 5.1 3.4 0 0 0.4
63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48
49 48 50 46 45 44 43 42 41 40 39
P2C CLMP CLMP
PLL
VIDEO
TRPP
PMP
VIDEO
VIDEO
PPC1
DET SW
SPLL
BPF
BPF BPF
SW
SYNC
LIM
SEP
SW PMP TRPP ACC
DEMO
DC FM DELAY
VOL
DET LINE
COLOR
CLAMP
PEAKING
CONTRAST RGB
CORING
BRIGHT MATRIX
BLACK
STRETCH
VIF
IF AGC
BLACK
STRETCH
RF AGC
AFT
OSD OSD
FIX GAIN
SW
BUS ABL CLAMP
DRIVE/CUT-OFF
8 9 10 13
11 12 14 15 16 17 18 19
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
0 0 0 0 0 4.9 2.8 2.4 5.1 5.1 4.2 5.5 5.5 1.2 5.1 8.1 3.2
C620 R620
0.01 B 100K
C621
6.3V 1000 YK
R617 100K
C622 0.1 B
ETANT NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
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.
D E
F
C642
0.001 Y
2.9 0.4 3.5 0.4 0 0 0
47 46 45 44 43 42 41
38 37 36
35
0
VC0 CW
34
KIL X-RAY
0
HOR GND
33
FILTER
TINT
0
ADJ
R648
32
2.4
HOR 4.7K
R646
VCO
31
0
5.6K
1/256 FBP
30
R640
0
4.7K +-1%
HOR
PFC2 REF
29
C/D
1.7
R637 R645
28
PHASE
PFC1
4.2
5.6K 10K
SHIFTER
C665
0
HOR
100P CH
OUT
H_GND
0
R642
27
1.2
100
R641 3K
26
2.6
C650
25
VER HOR
VOC 5.1
SEP 50V KA 1
C654
24
VER
VER
C652
2.5 50V 0.22
RAMP
C/D
23 50V 0.47 KA
2.4
22
AKB
2.4
20 21
18 19 20 21 22 23 24
3.2 3.2 0 0 0 0 0
R628 D605
10K 1/4W
11ES1N
R650
470 1/4W
D603 D604
1SS133 1SS133
CAUTION: DIGITAL TRANSISTOR
F
G H
8
7
FROM/TO Y/C/A/H.AMP
TU_VIDEO
TU_AUDIO
Y/C_VIDEO
Y/C_AUDIO
TO I/O
6
AGC
B.OUT
TO SOUND AMP
AUDIO_OUT
SOUND+B
SOUND_GND
5
FROM TO TV POWER
CD601
HD
FROM/TO DEFLECTION
H_OUT CD820 (CP820)
CH2B027A
SOUND GND 1
SOUND+B 2
VCR_POWER_H 4
VCR POWER H 3
TV_POWER_H
TV POWER H 4
KA GND 5
H_OUT
V_OUT
H.OUT 6
VD
V.PULSE 7
V_OUT
V.OUT 8
ACL 9
HD
AFC 10
X_RAY
X.RAY 11
L101
HF57T18.5*10*10
3
TO CRT
CD850 (CP850)
CH25086A
GND 5
CUT OFF
CUT OFF 4
2
Q605
G.OUT
G.OUT 3
2SA733_Q 0.9
R.OUT
R.OUT 2
0.2 B.OUT
B.OUT 1
0
L102
HF57T18.5*10*10
1
PCB010
VM9175
G H