Toshiba 20HL85 Service Manual page 31

A B
TU4401
115-V-LA35AR
C4407 C4418
8
NC 1 NC
0.1 B 0.001 B
C4403
NC 2 NC
L4401
6.3V 1000 YK
+B 3
22uH 0305
NC 4 NC
NC 5 NC
R4415
100K
C4420
7
BT 7 NC
0.001 B
R4403
8
NC NC
47K
C4410
IF OUT 9 NC
R4412
56P CH
SCL 10
100
R4413
SDA 11
100
C4411
AFT 12
56P CH
AUDIO OUT 13 NC
W857
SIF OUT 14
6
15
+32V
C4408
NC 16 NC
0.1 B
C4419 L4402
C4409
VIDO OUT 17
27P CH 33uH
35V 100 YK
NC
5
S_VIDEO
J4401
MDC-070V-A_LF
W830
4
YELLOW
J4402
NC
MTJ-032-05A-30-FE
R4211
WHITE
J4403 6.8K
NC
MTJ-032-05A-32-FE
R4409
RED
J4404 6.8K
MTJ-032-05A-31-FE
3
RED
J4405
NC
MTJ-032-05A-31-FE
BLUE
J4406
NC
MTJ-032-05A-29-FE
GREEN
J4407
2 NC
MTJ-032-05A-50-FE
R4410
WHITE
J4408
6.8K
NC
MTJ-032-05A-32-FE
R4411
RED
J4409 6.8K
MTJ-032-05A-31-FE
1
A B
G-3
C
P.CON+5V
AFT
SCL
SDA
SIF
P.CON+32V
TUNER_VIDEO
38
S_DET
W801
S_IN_Y
S_IN_C
REAR_CVBS
R4438
P.CON+9V
C4422 100 1/2W
BUFFER
BUFFER Q4403
1 B
Q4401 KTC3875S_Y_RTK
8.9
KTC3875S_Y_RTK
8.9
C4423
3.0 3.7
3.0 3.7
1 B
AV_AUDIO_L
AV_AUDIO_R
GND
D_PR
D_PB
W823
D_Y
R4439
P.CON+9V
C4424 100 1/2W
BUFFER
Q4404
1 B BUFFER
KTC3875S_Y_RTK
Q4402
8.9
KTC3875S_Y_RTK
8.9
C4425
3.0 3.7
3.0 3.7
1 B
YUV_AUDIO_L
YUV_AUDIO_R
C
D E
TUNER/JACK SCHEMATIC DIAGRAM
(AV PCB)
ATTENTION
:LES PIECES REPAREES PAR UN
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
CAUTION
:SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D E
F G
FROM/TO POWER
REMOCON_IN
AFT
HP_MUTE
AUDIO_MUTE
R4416
D_PB
56
R4423
D_Y
56
R4440
D_PR
56
SIDE_CVBS
GND
CVBS_SW2
S_DET
CVBS_SW1
FROM/TO AV SWITCH
REMOCON_IN
CVBS_SW1
CVBS_SW2
SIDE_CVBS
TUNER_VIDEO
REAR_CVBS
S_IN_Y
S_IN_C
SDA
SCL
TO STEREO/SOUND AMP
SIF
AV_AUDIO_L
AV_AUDIO_R
YUV_AUDIO_L
YUV_AUDIO_R
AUDIO_MUTE
ETANT NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
ARE
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.
F G
H
8
HP_MUTE
7
P.CON+5V
P.CON+32V
P.CON+9V
LIGHT_CTL
LCDON
LCD-H
POWER_ON-H
POWER_FAIL
GND
FROM/TO SCALER
6
CP4401 (CP802)
00_6232_030_006_800+
NC 30
REMOCON IN 29
AFT 28
NC AGC 27
26
HP_MUTE
AUDIO_MUTE 25
NC EXT_MUTE 24
23
GND
22
SCART1_B
GND 21
20
SCART1_G 5
19
GND
18
SCART1_R
17
GND
16
SIDE_CVBS
15
GND
NC 14
SCART1_Y
13
SCART2_SW
NC 12
SC2 CVBS_OUT-H
11
POWER_FAIL
10
POWER_ON-H
9
LCD-H
8
LCDON
4
7
LIGHT CTL
NC 6
PDP_RLY
5
S_DET
SCART1_SW 4
NC 3
SW_SCART
NC HP_IN 2
NC PSU_5VD/DSR 1
3
2
PCBD20
CME030
1
H
G-4