Toshiba 27DF47 Service Manual page 28

A B
8
FROM POWER
UN_REG.12V
GND
W817
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]
VIDEO_IN3
P.CON+5V
C653
AT+5V
10V 100 YK
6
R601
SCL1
FROM/TO DEFLECTION
100 1/4W
SDA1
V.OUT
R629 100 1/4W
ACL
AFC
PIN_PROTECT
R630
OSD_BLK
H.OUT
1K
EW_OUT
OSD_B
P.CON+5V_A
5
OSD_G
OSD_R
HD
VD
AT+5V_D
4
FROM/TO TUNER
VIDEO_IN1
AT+5V_D
TUNER_P.CON+5V
A_TUNER_CVBS
D_C_OUT
CVBS
D_C_OUT D_Y_OUT
D_Y_OUT
AT+5V
3
12.3
7.7
8.3
+8V_SW
Q602
KTC3209_Y
FROM/TO MICON
P.CON+5V
AT+5V
PROTECT
VD
HD
OSD_BLK
2
OSD_B
OSD_G
OSD_R
SDA1
SCL1
H.CTL
TV_POWER_H
VIDEO_OUT
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
G-3
C
CHROMA/IF SCHEMATIC DIAGRAM
CHROMA_IC
IC601
LA76327M-B-MPB-E
NC
2.4 2.4 2.4 4.97 0
48 47 46 45 44
0
NC
5.0
CLMP CLMP
5.0
VIDEO
SW
0
NC
MIX
5.0
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
5.2 9.6 R640
NC SW
2.53
AT+5V 56 1/2W
5.8 NC
Q611
REG-SW
3.3
KTC3209_Y
R606
NC
0
100 1/4W
NC RST
1 2 3 4 5
0 0 0 5.2 5.84
C636
1 B
C613
KANP
16V 4.7
10V REG SW
Q603
KTA1266
R645
AT+5V_SW
R604
Q607
10 12
47 1/4W
KTC3209_Y
100 1/4W R603
12
5.2 5.2
D611 D612
56 2W
1SS133 1SS133
11.1
R612
100 1/4W
NOTE:THE DC VOLTAGE EACH PART WAS ATTENTION
:LES PIECES REPAREES PAR UN
MEASURED WITH THE DIGITAL TESTER
DANGEREUSES AN POINT DE VUE SECURITE
DURING PLAYBACK.
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
C
D E
(TV MT PCB)
W886
20
C638
R659
25V 10 KA
1M
R625
12K
Q604
C628
KTC3875S_
R641
Y_RTK
1 B
1K
R660
NC
NC
4.8 0 2.5 4.3 3.9 2.6 3.7 5.0 3.1 3.5 2.7
1M
43 42 41 40 39 38 37 36 35 34 33
2.2
COMB COMB 6DB
NC
REG SW SW AMP
0
SW
2.7 C622
VXD APC1 FSC
50V 1 KA
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 R619
V/Y DL BS Y PIN RGB
COLOR
4.7K 1/4W
TRAP HOR
SW SHARP SG SW MATRIX CLAMP 5.1
+-1%
C/D
0
VM DC REST CONTRAST SYNC
AFC1 FBP
BRIGHT NC
SEP
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
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
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
NC
C647
1 B
23
24
22
R608
L601
4.7K
22uH
R605
27K 1/4W
CAUTION
ETANT :SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D E
F G
P.CON+5V_SW
Q609
KTD1691Y
P.CON+5V_SW
Q608
5.0 7.1
KTC3209_Y
5.6
5.0 7.1
R632
5.6
100 1/4W
21
R623
100 1/4W
28
R622
390 1/4W
C621
C601 0.1 B
0.1 B
R618
220 1/4W
C618
0.015 B
C619 R615
2.2
B 5.6K
R613
100 1/2W
C617
SW
Q605
0.33 B
KRA102SRTK
W881
2.1
PIN PROTECT
Q610
0
KTC3875S
Y_RTK
TO CRT/SVM
CP802A (CP802B)
B2013H02-6P
C634
CUT_OFF 1
1 B
GND 2
R.OUT 3
G.OUT 4
B.OUT 5
C608 CLAMP_OFF 6
47P CH
C654
47P CH
C657
CH
47P
ARE CAUTION: DIGITAL TRANSISTOR
F G
H
8
R650
UN_REG.12V
15 3W
7
6
Y_IN
V_IN
U_IN
27
5
AFC
H.OUT
26
C651
50V 1 YK
BUFFER 0
Q601 0.2
H.CTL
KRC102SRTK
0.8
5.0
5.0
5.0
4
0.2
R635
PROTECT
4.7K
PIN_PROTECT
0.3
R656
PIN PROTECT
2.6 Q612
12K
KTC3875S_Y_RTK
0
VIDEO_IN2
EW_OUT
25
V.OUT
3
ACL
UN_REG.12V
2
PCB070
CMF094
CAUTION: DIGITAL TRANSISTOR
1
H
G-4