Toshiba 27D46 - Page 31

ABC D E F GH
ABC D E F GH
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
S807Y
TU001
ENG36A49KF
DIGITAL/ANALOG TUNER W/NTSC_MPX
1
10 11 12 13
14 15 16 17 18 19
2
20
21 22 23 24
3 4 5 6 7
8 9
IC001 TC7W66FU
SW
1234
5678
CP2403B 0
1
10 11 12 13 14 15
16 17 18 19
2
20 21 22 23 24 25 26 27 28 29
3
30
31 32 33 34
4 5
6 7 8 9
IC002 BA00BC0WFP
REG.+3.3V IC
12 456
IC003 BA00BC0WFP
REG. +2.6V IC
12 456
IC004 PQ070VK02FZH
ACIC. 1.8V IC
12345
IC005 PQ070VK02FZH
F/E 1.8V IC
12345
HS002
763WAA0309
HS001
763WAA0309
B001
FCM1608KF-102T02
R007
13W
R004
13W
R002
1
3W
C031
1010V KANP
DANS LA NOMENCLATURE DES PIECES
N’UTILISER QUE CELLS DECRITES
DANGEREUSES AN POINT DE VUE SECURITE
:LES PIECES REPAREES PAR UN ETANT
ATTENTION
:SINCE THESE PARTS MARKED BY
CAUTION
DESCRIBED IN PARTS LIST ONLY
CRITICAL FOR SAFETY,USE ONES
ARE
L003
100uH 0305
L004
22uH 0305
L001
22uH
0305
CAUTION: DIGITAL TRANSISTOR
Q009
KRA102SRTK
SW
CAUTION: DIGITAL TRANSISTOR
Q010
KRC103SRTK
SW
Q004
KRC103SRTK
SW
Q002
KRC102SRTK
DTV.P.ON_SW
Q007
2SC3841-
T1B_T63
IF AMP
Q006
2SC3841-T1B_T63
IF AMP
Q005
2SC3841-T1B_T63
IF AMP
D003
1N4005-EIC
C038
47010V
YK
C034
47010V YK
C026
100010V YK
C015
47010V YK
C022
2206.3V YK
C002
220
6.3V
YK
C030
1025V KA
C010
10010V
YK
C023
10010V YK
C005
220010V YK
C012
470
10V
YK
C036
47010V YK
W817
W844
C024
0.01 B
C029 47P
CH
C044 47P CH
C046
47P
CH
C043
0.01 B
C042
0.01
B
C039
0.1
B
C014
220P
CH
C035
0.1
B
C033
0.33 B
C025
0.1
B
C021
0.33 B
C006
0.33 B
C011
0.1 B
C016
0.47
B
C004
0.1 B
C001 0.1 B
C009
220P CH
C018
0.01
B
C017
0.1 B
C027
0.0022 B
C019
0.1
B
C040
0.1 B
C007
0.1 B
C037
0.33
B
C028
47P
CH
C003 0.1 B
R015
12K
R014
12K
R006
180
1/4W
R010
100
R001
2.2K
R042
68
R043
470
R044
1K
R038
82
R039
470
R040
1K
R027
820
+-1%
R028
100
R012
2.2K
+-1%
R013
68
R018
1K 1/4W
R003
22K
R008 2.2K
R031
82K
R019
390K
R022
4.7K
R016
75
R017
2.7K
R029
15K
R030
8.2K
R005
1K
R011
3.9K
+-1%
R026
1K
+-1%
R020
12K
R021 3.3K
R037
1K
R041
1K
R009 100
R023
1K
R025 4.7K
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
Q003
KTA1271_Y
DTV.P.ON_SW
A_TUNER_CVBS
TU_I2C_DATA
TU_I2C_CLK
IF_OUT_1 IF_OUT_2
SIF_OUT
AFT_MAIN
IF_AGC
RF_SW
DTV_TX
DTV_RX
AFT_0[L/H]
AFT_1[L/H]
SD-H
DTV_POWER_ON-H
DTV_RESET
DTV_POWER_ON-H
DTV_POWER_ON-H
SPDIF_OUT
TUNER_AUDIO[L]
TUNER_AUDIO[R]
TUNER_P.CON+5V
AT+5V
D_Y_OUT
D_Y_OUT
D_C_OUT
D_C_OUT
AFT_0[L/H]
DTV_TX
RF_SW
SIF_OUT
IF_AGC
IF_OUT_1 IF_OUT_2
AFT_1[L/H]
DTV_RX
TU_I2C_CLK
DTV_RESET SPDIF_OUT
TU_I2C_DATA
TUNER_AUDIO[L] TUNER_AUDIO[R]
SD-H
D_Y_OUT D_C_OUT
P.CON+9V
UN_REG.3V
UN_REG.6V
TUNER+30V
GND
(CP2403)
FROM CHROMA/IF
TO CHROMA/IF
G-10G-9
1.8
0.5
0.0
0.5
1.8
5.0
2.4
4.2
5.0
(MAIN PCB)
TUNER SCHEMATIC DIAGRAM
FROM POWER
PCB070
CME077
5.0
5.0
0.0
3.2
NC NC NC
NC
FROM/TO AV OUT
IF OUT1 IF OUT2
GND GND
U OUT Y OUT
DTV_RESET
SD-H
ACIC+1.8V
GND GND
GND GND
GND GND
AUDIO OUT L
AUDIO OUT R
SPDIF OUT
SIF OUT
IF AGC
TU I2C CLK
TU I2C DATA
D_P.CON+2.6V
D_P.CON+5V
D_P.CON+3.3V
RX (DTV_MAIN) TX (DTV_MAIN)
RF_SW
F/E+1.8V
AFT(0) AFT(1)
D_P.CON+9V
TO COMB/FILTER
TO AV SW/SOUND AMP/TONE CTL
FRON/TO MICON
0
0
0
1.87 1.86
0 01.87
4.85
5.01 5.01
0
0
5.01
NC
+5V GND V_OUT AGC_OUT AFT SCL SDA AGC +30V GND +5V
NC
+5V SIF IF SW IF OUT IF AGC IF_OUT 1 IF_OUT 2
0
V_C V_IN V_OUTGND V_ADJ
V_C V_IN GND
GND GNDV_IN
V_ADJ
ADJ ADJ
V_IN
V_IN CTL CTL
V_OUT
V_OUT V_OUT
3.2
0
NC
NC
3.2
5.0
0
3.3
0.2
2.6 2.6 0 1.3 1.3
2.6 2.6
0 1.8 1.3
4.9 0 31.45 3.36 3.36 1.69 4.96 4.96 0 0 0.6 000 3.36
4.9 1.37
2.37 04.9
4.8
4.2
3.1 4.2 0 2.6 1.2