Toshiba 26HF66 Service Manual page 40

A B
8
7
6
5
4
3
2
CAUTION: DIGITAL TRANSISTOR
1
A B
G-17
C D
TUNER SCHEMATIC DIAGRAM
DIGITAL/ANALOG TUNER W/NTSC_MPX
TU2801 ENG36A53KF
0 4.96 0 31.7 0.9 0 4.9 1.6 3.33 3.32 0.27 3.87
NC NC
C2807
C2801 C2804
0.1 B 0.1 B 0.1 B
C2831
0.1 B
L2802
4.96 22uH 0305
0
4.95
C2803
0.1 B
4 3 2 1
5 6 7 8
0
4.95
SW
Q2801
0 RT1N241C
REG_AT+5V
UNREG+5V
UNREG+4V
CAUTION: DIGITAL TRANSISTOR NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
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
(AV PCB)
1.45 4.98 0 0 0 0.82 0 0
55
R2810 R2811
4.7K 390K
R2805
5.0
82K 0 2.46
0.56
54 IF AMP IF AMP
0.6
1.75 Q2805
Q2804
2SC3841-T1B_T63
2SC3841-T1B_T63
0.55
C2814
0
0.0022 B
0
NC
NC NC
ATTENTION
:LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
E
F G
FROM/TO MICON
AFT_MAIN
DTV_POWER_ON-H
DTV_RESET
DTV_RX
DTV_TX
SD-H
AFT_1[L/H]
AFT_2[L/H]
P.CON+5V
GND
DTV_A_MUTE-L
FROM/TO STEREO
SIF_IN
I2S_DA_IN3
I2S_WS3
I2S_CL3
I2S_DA_OUT
I2S_WS
I2S_CL
FROM AV_SWICTH/JACK
TU_V_OUT
SWD_U
SWD_V
SWD_Y
Y_OUT
C_OUT
DTV_A_MUTE-L
SPDIF_OUT
C2828_1
0.027 B
C2826
47P CH
CAUTION
:SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
F G
H
8
7
6
5
4
3
2
PCBD20
CEF155
1
H
G-18