Chroma/If Schematic Diagram - Toshiba MD20H63 Circuit Diagrams

A B
8
FROM/TO REGULATOR
P.CON+9V
P.CON+5V
DVD_Y
DVD_C
8.5VREG
P.CON+12V
FROM/TO DEFLECTION
7
V.OUT
AFC
ACL
H.OUT
6
R601
SCL
10
R602
SDA
10
W840
OSD_BLK
OSD_B
5
OSD_G
OSD_R
HD
VD
4
FRONT_VIDEO
S820X
(CD804)
DTV_Y
REAR_VIDEO
DTV_C[U]
3
FROM/TO MICON
ANALOG_TUNER_VIDEO
SD_CVBS
H_CONTROL
CHROMA_POWER_H
VD
HD
R603
PROTECT
1K
OSD_BLK
OSD_B
OSD_G
OSD_R
2
SDA
SCL
FROM/TO TUNER
VIDEO_OUT
ANALOG_TUNER_VIDEO
DTV_Y
DTV_C[U]
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
1
DURING PLAYBACK.
A B
H-5
C

CHROMA/IF SCHEMATIC DIAGRAM

CHROMA_IC
IC601 NC
2.4 2.4 2.4 5.0
LA76327M-B-MPB-E
48 47 46 45
0
5.0
CLMP CLMP
5.0
VIDEO
SW
0
NC
0 MIX
NC
5.0
COMB COMB
SW SW
CLMP
3.3
3.3 CLMP
3.3
BUS YSW
0
NC
5.0
5.0
CLMP
LPF
0
NC SW
NC
REG-SW
3.3
S816X
NC
(CD601)
R640
0
NC RST
75
1 2 3 4
C603
0 0
NC
NC
16
1 B
C601
C604
1 B
1 B
S818Y
(CD4201)
17
C602
10V REG
1 B
Q602
R639
KTA1271_Y
R608
75
5.6 8.6
47 1/4W
0.2
D601 D602
1SS133 1SS133
0
5.0
PROTECT
Q601
0 2SC3052
S819Y
(CD602) (CD602)
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(AV PCB)
R618
22K
R611
4.7M
C622
NC NC
0.47 B
0 4.8 0 2.5 4.3 3.9 2.6 3.7 5.0 3.1 3.5 2.7
44 43 42 41 40 39 38 37 36 35 34 33
2.2 C624
COMB COMB 6DB
0.01 B
REG SW SW AMP
0
SW
2.7
VXD APC1 FSC
CLMP
2.5
TINT
AF/D1
0
SW
BPF
YC SW ACC BMO
HOR
X-RAY
VCO 0
C PIN
SW
1/256 1.7 R620
DL BS Y PIN RGB
V/Y COLOR
4.7K +-1%
TRAP HOR
SW SHARP SG SW MATRIX CLAMP 5.1
C/D
0
VM DC REST CONTRAST SYNC
AFC1 FBP
BRIGHT NC
SEP
1.5 R619
AFC2
VER
OSD OSD
SEP 330
2.6
CONTRAST SW
PHASE
VER
SHIFTER 5.2
C/D
DRIVE/CUT-OFF
VER HOR HOR
2.4
CLMP CLMP CLMP CLMP RAMP OUT
VCC
ABL/ACL
3.1
VER D/A
3.1
5V/8V-REG
0
E/W AMP
5 6 7 8 9 10 11 12 13 14 15 16
8.6 3.4 0 2.5 4.3 8.5 2.6 7.8 3.4 3.4 3.5
0 NC
21
20
19 R622
3.9K
L602_2
W835
100uH 0607
S819X
NOTE: THE RESISTOR MARKED F IS FUSE RESISTOR.
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
D E
F G
22uH 0405
7.83
1.94
6dB Amp
Q605
KTC3875S_Y_RTK
1.31
R631
1K 6.22
C643_1
2.96
6dB Amp
Q607
16V 22 KANP_P
KTC3875S_Y_RTK
2.02
4.73
R625
1.83
18 6dB Amp
Q606
5.6K
KTC3875S_Y_RTK
1.15
C642
100P CH
R632 R635
100 10K
C630
C628 1 B
0.1 B
C631
0.1 B
C629
0.0056 B
C627 R624
2.2 B 10K
R626
100 1/2W
C633
0.33 B
R623
15K
D604
MTZJ12B
C636
1 B
D605
MTZJ12B
D606
MTZJ12B
CAUTION: DIGITAL TRANSISTOR
CAUTION: DIGITAL TRANSISTOR
F G
H
8
L604_1
VIDEO_OUT
7
W850
SD_CVBS
6
24
R629_1
5
AFC
220 1/4W
H.OUT
23
P.CON+9V
H_CONTROL
0 5.0
BUFFER
Q604
RT1N141C
4
4.4
5.0
4.4
SW
9.0
Q603
RT1P141C
22
V.OUT
3
P.CON+5V
P.CON+9V
8.5VREG
ACL
P.CON+12V
FROM/TO CRT
CP802A (CP802B)
B2013H02-6P
CUT_OFF 1
GND(SIGNAL) 2
2
R.OUT 3
G.OUT 4
B.OUT 5
CLAMP_OFF 6
PCBD20
CMF099
1
H
H-6