Toshiba 27D46 Service Manual page 28

A B
8
FROM POWER
UN_REG.12V
GND
7
FROM/TO AV SW/SOUND AMP/TONE CTL
Y_IN
U_IN
V_IN
VIDEO_IN1
VIDEO_IN2
S_VIDEO_IN[Y]
S_VIDEO_IN[C]
P.CON+5V
P.CON+8V
AT+5V
6
R601
SCL1
FROM/TO DEFLECTION
100 1/4W
R629
SDA1
V.OUT
100 1/4W
ACL
OSD_BLK2
AFC
PIN_PROTECT
OSD_BLK1
H.OUT
EW_OUT
OSD_B
P.CON+5V
5
OSD_G
OSD_R
FROM/TO COMB/FILTER HD
VD
FSC_OUT
COMB_Y
COMB_C
VIDEO_OUT
P.CON+5V
P.CON+8V
4
P.CON+5V_A
FROM/TO TUNER
VIDEO_IN1
AT+5V
AT+5V
TUNER_P.CON+5V
COMB_C
A_TUNER_CVBS
COMB_Y
P.CON+8V
FROM/TO MICON
3
AT+5V
C.SYNC
P.CON+5V
PROTECT
VD
HD
OSD_BLK2
OSD_BLK1
OSD_B
OSD_G
OSD_R
2
SDA1
SCL1
H.CTL
TV_POWER_H
VIDEO_OUT
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
1
DURING PLAYBACK.
A B
G-3
C
CHROMA/IF SCHEMATIC DIAGRAM
2.4 2.4 2.4
48 47 46
0
CHROMA_IC
NC
IC601
LA76327M-A 5.0
CLMP
5.0
VIDEO
SW
0
NC
MIX
R649 5.0
1K
R630 5.0
COMB COMB
SW SW
1K
3.3
3.3 CLMP
3.3
BUS
0
NC
5.0
5.0
CLMP
0
NC
2.53
NC
3.3
0
NC
RST
1 2 3
0 0 0
C636
1 B
7.8
12.3
P.CON+8V_SW
Q606
7.7 12.3 8.3
+8V_SW KTC3209_Y
8.3
Q602 10V REG SW
R606
KTC3209_Y Q603
R604 KTA1266
1/4W R645
100
100 1/4W 10 12
47
R603
1/4W
12
5.2
D611 D612
8.4
56 2W
1SS133 1SS133
11.1 AT+5V_SW
5.0 C610
1.4
Q607
KTC3209_Y
50V 2.2 KANP
R612
0.8
VM_OSD_SW
Q604 100 1/4W
2SC3052
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
ATTENTION
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
S817X R631
20
1.8 1/4W
C638
25V 10 KA
R625
12K
R659
1M
C628
1 B
NC
4.97 0 4.8 0 2.5 4.3 3.9 2.6 3.7 NC 5.0 3.1 3.5 2.7
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
50V
CLMP
2.5
TINT
AF/D1
0
SW
BPF YC SW ACC BMO
HOR
X-RAY
VCO 0
C PIN
SW
CLMP R619
1/256 1.7
V/Y DL BS Y PIN RGB
COLOR
4.7K 1/4W +-1%
TRAP HOR
SW SHARP SG SW MATRIX CLAMP 5.1
C/D
0
VM DC REST CONTRAST SYNC
AFC1 FBP
BRIGHT NC
SEP
YSW
1.5 R616
AFC2
VER
OSD OSD
SEP 330 1/4W
2.6
CONTRAST SW
PHASE
VER
SHIFTER 5.2
C/D
DRIVE/CUT-OFF
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
4 5 6 7 8 9 10 11 12 13 14 15 16
5.2 5.84 8.6 3.4 0 2.5 4.3 8.5 2.6 7.8 3.4 3.4 3.5
C647
1
B
23
22
R608
L601
4.7K
D604
100uH 0305
MTZJ5.6B-EIC
R605
27K 1/4W
CAUTION
:SINCE THESE PARTS MARKED BY
:LES PIECES REPAREES PAR UN ETANT
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
D E
F G
(MAIN PCB)
TU P 5V_SW
Q611
KTC3209_Y
5.0
5.6
P.CON+5V_SW
Q609
5.0 7.1
KTC3209_Y
5.6
P.CON+5V_SW
Q608 5.0 7.1
KTC3209_Y
5.6
R632
R623
1/4W
100
100 1/4W
R647
21
100 1/4W
R660
1M
R602
1K 1/4W
C622 28
W885
1 KA
C621
C601 0.1 B
0.1 B
S809Y
C618
0.015 B
C619 R615
2.2 B 5.6K
R613
100 1/2W
C617
B
0.33
W881
24
C634
C639 1 B
39P CH
S819Y
ARE CAUTION: DIGITAL TRANSISTOR
F G
H
8
7.1
R651 R650
UN_REG.12V
8.2 3W 8.2 3W
7
6
Y_IN
V_IN
U_IN
27
R618
5
AFC
220 1/4W
H.OUT
26
C651_1
16V 22 KA
0
BUFFER
SW Q601 0.2 H.CTL
RT1N141C
Q605
0.8
5.0
RT1P141C
5.0
5.0
4
PIN PROTECT
Q612
2.1 0.2
R635
2SC3052
PROTECT
4.7K
0
PIN_PROTECT
PIN PROTECT
R656
2.6
Q610
0.3
2SC3052
12K
0
VIDEO_IN2
EW_OUT
25
V.OUT
3
ACL
UN_REG.12V
TO CRT/SVM
CP802A (CP802B)
B2013H02-7P
CUT_OFF 1
GND 2
2
R.OUT 3
G.OUT 4
B.OUT 5
CLAMP_OFF 6
VM_COIL 7
PCB070
CME077
CAUTION: DIGITAL TRANSISTOR
1
H
G-4