Toshiba 32DF46 Service Manual page 31

A B
8
C001
7
0.1 B
C002
6.3V 220 YK
L001
22uH 0305
C040
0.1 B
6
FRON/TO MICON
5
AFT_MAIN
DTV_TX
DTV_RX
AFT_0[L/H]
AFT_1[L/H]
SD-H
DTV_POWER_ON-H
DTV_RESET
GND
4 DTV_POWER_ON-H
DTV_POWER_ON-H
TO AV SW/SOUND AMP/TONE CTL
SPDIF_OUT
TUNER_AUDIO[L]
TUNER_AUDIO[R]
GND
3
FROM CHROMA/IF
GND
TUNER_P.CON+5V
AT+5V
FROM POWER
P.CON+9V
2
UN_REG.3V
UN_REG.6V
TUNER+30V
C005
GND
10V 2200
CAUTION: DIGITAL TRANSISTOR CAUTION: DIGITAL TRANSISTOR
1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
G-9
C
TUNER SCHEMATIC DIAGRAM
DIGITAL/ANALOG TUNER W/NTSC_MPX
TU001 ENG36A49KF
0 4.9 0 31.4 3.3 0 4.9 3.3 3.3 1.6
NC NC 1.3
C004
0.1 B
L003
100uH 0305
C007
0.1 B
4 3 2 1
5 6 7 8
SW
5.01
Q004
KRC103SRTK
0
0
DTV.P.ON_SW REG.+3.3V IC
Q003
IC002 BA00BC0WFP
KTA1271_Y
4.8 5.0
4.2
V_C V_IN GND V_OUT V_ADJ
1 2 6 4 5
3.2 4.2
5.0 3.3
3.2 0 0.2
DTV.P.ON_SWzz
C010
Q002
KRC102SRTK
0 10V
100 YK
C006
R005 0.33 B C011
1K 0.1 B
C015
D003 10V 470 YK
1N4005-EIC
W817
R002 R004 R007
1 3W 1 3W 1 3W
NC
YK
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
C
D E
(TV MT PCB)
2.3 4.9 4.9 0 0 0 0.6 0
4.9
L004
22uH 0305
C024
0.01 B
R019 R022
IF AMP
Q005
2SC3841 390K 4.7K
R031
-T1B_T63
5.0 0.5 82K
0.5
2.4
IF AMP
Q006
1.8 0.0
2SC3841-T1B_T63
1.8
C027
0
0.0022 B IF AMP
0
Q007
2SC3841-
T1B_T63
ACIC. 1.8V IC
REG. +2.6V IC
IC004 PQ070VK02FZH
BA00BC0WFP
IC003
V_IN CTL V_OUT ADJ GND V_IN
V_C V_IN GND V_OUT V_ADJ
1 2 3 4 5
1 2 6 4 5
2.6 2.6 2.6 0 1.3 1.3
3.1 4.2 0 1.2
C023 C012
C034
10V 10V
100 YK 470 YK
C021
C033 10V 470 YK
0.33 B
0.33 B
C025
C035
0.1 B
C026
W804
W801 0.1 B
NC
NC
R038
10V
1000 YK
82
R018
HS001
1K 1/4W
763WAA0309
NC
CAUTION
:SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D E
F G
W844
5.0
5.0
SW
0
0.0
Q009
KRA102SRTK 3.2
SW
Q010
KRC103SRTK 0
F/E 1.8V IC
IC005 PQ070VK02FZH
CTL V_OUT ADJ GND
1 2 3 4 5
2.6 2.6 0
1.8
1.3
C036
C038
10V
470 YK
C037 10V 470 YK
0.33 B
C039
0.1 B
R042
68
D_Y_OUT
HS002
763WAA0309
D_C_OUT
ATTENTION
ARE :LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
F G
H
8
TO CHROMA/IF
A_TUNER_CVBS
7
6
5
4
3
TO COMB/FILTER
D_Y_OUT
D_C_OUT
GND
2
PCB070
CME077
1
H
G-10