Chroma/If Schematic Diagram - Toshiba MW27H62 Service Manual

A B
8
FROM/TO REGULATOR
P.CON+9V
R639
P.CON+5V
AT5.7VREG 27 1W
P.CON+8V
FROM/TO COMB FILTER
COMB_FSC
7
FROM/TO IN/OUT
MONI_CVBS
Y_OUT
C_OUT
Y_IN
U_IN
V_IN
FROM/TO Y/C/AUDIO/HEAD AMP
V.SYNC
FROM/TO DEFLECTION
6
CP602 (CP602B) R601
SCL
B2013H02-9P
V.OUT 100 1/4W
1 V.OUT
SDA
TV_POWER_H
2 TV_POWER_H
R629 1001/4W
AFC
3 AFC
ACL
4 ACL
EW_OUT
5 EW OUT
H.OUT
6 H.OUT
OSD_BLK
P.CON+5V
7 P.CON+5V
X_RAY
8 X-RAY/EMERGENCY OSD_B
9 +B_DOWN
OSD_G
5 CD602
CU291701
OSD_R
TEST POINT
CP601
A2001WR2-10P H.SYNC
1 GND
V.SYNC
SCL
2 SCL
SDA
3 SDA
IIC_OFF
4 IIC_OFF R623
VCR_POWER_H
P.CON+9V
5 P.CON+9V
3.3K 1/4W
AUDIO_OUT_L
6 AUDIO OUT L
AUDIO_OUT_R
R632
7 AUDIO OUT R 5.0
TV_POWER_H
MONI_CVBS
4 8 VIDEO OUT
4.7K 1/4W
RX
9 RX(DIGITAL)
TX
10 TX(DIGITAL)
Y_OUT
C_OUT
FROM/TO TV POWER
EW_OUT
AT5.7VREG
MOTOR+12V
GND
FROM/TO MICON
3
H_CTL
PROTECT P.CON+5V_B
X_RAY
V.SYNC
H.SYNC
R634
VCR_POWER_H
IIC_OFF
1K
OSD_BLK
OSD_B
OSD_G
OSD_R
SDA
2
SCL
TV_POWER_H
REAR_Y/U/V_H
FROM/TO TUNER/DVD IN/OUT
DVD_Y
DVD_C
DTV_Y
DTV_C[U]
DTV_V
TX
CAUTION: DIGITAL TRANSISTOR
RX
1 FROM/TO Hi-Fi
AUDIO_OUT_L
AUDIO_OUT_R
A B
G-17
C
S802X S802Y
(TUNER) (C603 GND)
CHROMA_IC
IC601
2.4 2.4 2.4
LA76327M-A
48 47
0
5.0
CLMP
5.0
VIDEO
0
NC
0 MIX
NC
R630 5.0
COMB COMB
SW SW
1K 1/4W
3.3
3.3
CLMP
3.3
BUS
0
NC
5.0
5.0
0
NC
NC
3.3
0
NC
SW
0
Q606
NC RST
0 2SC3052
1 2
23
0 0
NC
C653
22
C610
0.01 B
C605
1 B
0.01 B
R603
5.6
47 1/4W
D604 D607
1SS133 1SS133
0
5.0
PROTECT
Q602
0 2SC3052
CAUTION: DIGITAL TRANSISTOR
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
C
D E

CHROMA/IF SCHEMATIC DIAGRAM

R625
22K
R620
4.7M
C628
NC NC NC NC
0.47 B
5.0 0 4.8 0 2.5 4.3 3.9 2.6 3.7 5.0 3.1 3.5 2.7
46 45 44 43 42 41 40 39 38 37 36 35 34 33
2.2
COMB COMB 6DB
REG SW SW AMP
0
CLMP
SW
2.7
VXD APC1 FSC
SW C621
CLMP
2.5
TINT
AF/D1
0
0.1
SW
BPF YC SW ACC BMO
HOR
X-RAY
VCO 0
C PIN
SW
CLMP
1.7
1/256
V/Y DL BS Y PIN RGB COLOR
HOR
TRAP SW SHARP SG SW MATRIX 5.1
CLAMP
C/D
0
VM DC REST CONTRAST SYNC
AFC1 FBP
BRIGHT
SEP NC
YSW
1.5 R616
AFC2
VER
OSD OSD
SEP
2.6 330 1/4W
CONTRAST SW
PHASE
VER
SHIFTER
5.2
C/D
DRIVE/CUT-OFF
CLMP
VER
HOR HOR
LPF
2.4
CLMP CLMP CLMP CLMP RAMP OUT
VCC
SW
ABL/ACL
3.1
VER D/A
REG-SW
3.1
5V/8V-REG
0
E/W AMP
3 4 5 6 7 8 9 10 11 12 13 14 15 16
0 5.2 5.8 8.6 3.4 0 2.5 4.3 8.5 2.6 7.8 3.4 3.4 3.5
NC
NC
R608
26
3.9K
10V REG
KTA1271_Y
25
L601 100uH0305
Q603
8.6 R606
0.2
15K
5.0 VM_OSD_SW
1.4
Q604
2SC3052
0.8
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D E
F
(VCR MT PCB)
YUV SW
IC702 NJM2584AM(TE1)
C706
3.0
IN1B
1 B
0
C716 NC NC NC
W852
SWD_U
10P CH
2.3
OUT1
0
C724 GND2
W853
SWD_V
10P CH
2.3
OUT2
C760
SWD_Y 10P CH 1.0
OUT3
24
0
C767 NC NC NC
C710 10P CH
1.7
IN3A
1 B R710
1M
R602
1K1/4W
C622 R622
1 B 390 1/4W
C601
B
0.1 B
R619
4.7K +-1%
C618
0.0056 B
C619_1 R615
2.2 B 10K
R613
100 1/2W
C617
0.33 B
W907
27
R605
15K 1/4W
D601
MTZJ12B
D602
C615 MTZJ12B
0.0082 B
D603
MTZJ12B
NOTE: THE RESISTOR MARKED F IS FUSE RESISTOR.
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
F
G H
8
C731
3.0 DTV_C[U]
IN1A
1 B
0
GND1
C732
3.0 V_IN
IN2B
C714
1 B
L702
5.1 16V 47 YK P.CON+5V
VCC
C730
47uH 0305
7
0 0.01 B REAR_Y/U/V_H
CTL
C733
3.0 DTV_V
IN2A
C763 1 B
0
GND3 10P CH
C734
1.8 Y_IN
IN3B
R714 1 B
1M
DTV_Y
6
30
R618
AFC
5
220
H.OUT
29
P.CON+8V
H_CTL
0 5.0
BUFFER
Q601
RT1N141C
4.4
5.0
4
4.4
SW
9.0
Q605
RT1P141C
+5V
28
V.OUT
P.CON+5V_B
3
P.CON+8V
ACL
MOTOR+12V
FROM/TO CRT/SVM
L603
CD603 (CP802B)
W5T29X7.5X19
CU285001
C634
CUT_OFF 1
1 B
GND(SIGNAL) 2
R.OUT 3
2
G.OUT 4
B.OUT 5
CLAMP_OFF 6
VM_OUT 7
NC 8
1
PCB010
DMF079
G H
G-18