Toshiba 20HL85 Service Manual page 39

A B
R4301 (W128)
8
6
R4307
10K
5
HEADPHONE JACK
10K
J4301 4
HSJ0913-01-140 B4301
2
MMZ1608R102CT B4302
3
MMZ1608R102CT
1
YELLOW
J4306 NC
MTJ-032-05A-30-FE
7
W808
WHITE
J4302
NC
MTJ-032-05A-32-FE
W866
RED
J4303
MTJ-032-05A-31-FE
6
R4314
W876
WHITE
J4304 6.8K
NC
MTJ-032-05A-32-FE
5 R4313
W881
RED
J4305 6.8K
MTJ-032-05A-31-FE
D-SUB
CP4302
1-1734344-1
W839
VGA-R
1
W838
2 VGA-G
W837
3 VGA-B
4
4 NC NC
5 DGND
6 AGND
7 AGND
8 AGND
9 NC NC
10 DGND
11 NC NC
12 DDCD NC
13 VGAHS
14 VGAVS
15 DDCC NC
3
FROM/TO INTERFACE
CP4301 (CD3601)
A2501WV2-20P
1 Pb
2 Y
3 Pr
4 GND
5 NC
6 NC
+12V
7
8 DAC_A-L
2
9 GND
10 DAC_A-R
11 GND
12 +4V
13 +5V
14 AUDIO-L
15 GND
16 AUDIO-R
17 GND
18 NC
19 V-SYNC NC
20 H-SYNC NC
1
CAUTION
A B
G-19
C
P.CON+3.3V
HEADPHONE_IN
HP_OUT_L
HP_OUT_R
26
W890
SIDE_CVBS
NLCV32T
L4307
P.CON+9V
R4311 C4312
22uH
6.8K 1 B
BUFFER BUFFER
Q4301 Q4304
8.5
KTC3875S_Y_RTK KTC3875S_Y_RTK
8.5
R4312 C4313
3.0 2.4
6.8K 1 B
3.0 2.4
27
CVBS_A_IN_L
CVBS_A_IN_R
28
NLV32T
L4306
P.CON+9V
22uH
C4315
1 B BUFFER
BUFFER
Q4305
Q4302
KTC3875S_Y_RTK
8.5
KTC3875S_Y_RTK
8.5
C4314
3.0 2.4
3.0
1 B
2.4
29
PC_A_IN_L
PC_A_IN_R
30
B4303
BLM18BB600SN1
VGA-R
R4309
B4304
10K BLM18BB600SN1
VGA-G
R4315
B4305
10K
BLM18BB600SN1
VGA-B
R4316
10K
VGAHS
VGAVS
HDMI_PB
HDMI_Y
HDMI_PR
P.CON+12V
HDMI_A_IN_L
HDMI_A_IN_R
HDMI_VNREG+5V
HDMI+5V
DVI_A_IN_L
DVI_A_IN_R
ATTENTION
:LES PIECES REPAREES PAR UN
:SINCE THESE PARTS MARKED BY ARE
DANGEREUSES AN POINT DE VUE SECURITE
CRITICAL FOR SAFETY,USE ONES
N'UTILISER QUE CELLS DECRITES
DESCRIBED IN PARTS LIST ONLY
DANS LA NOMENCLATURE DES PIECES
C
D E
CVBS/PC
PC/YUV Rch SW IC
IC4301 MM1501XNRE
C4332 5.8
3.3
PC_A_IN_R
Vin1 SW1
1 B
0
5.0
GND V.OUT
5.3
C4333
4.0
CVBS_A_IN_R
Vin2 Vcc
1 B
PC/YUV Lch SW IC
IC4302 MM1501XNRE
5.8
C4334 3.3
PC_A_IN_L
Vin1 SW1
1 B
0
5.0
GND V.OUT
5.3
C4336
9.0
CVBS_A_IN_L
Vin2 Vcc
1 B
NLC3225
L4301
P.CON+9V
47uH
HDMI_A_IN_R
HDMI_A_IN_L
HDMI/DVI
DVI_A_IN_R
DVI_A_IN_L
COMPONENT/HDMI
ETANT
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D E
F G
JACK SCHEMATIC DIAGRAM
(SCALER PCB)
YUV/HDMI/DVI Rch SW IC
IC4305 NJM2534V
C4352
1 B
31
BUFFER
SW_AUDIO_R[PC]
C4353
1 B
BAIAS
C4358
1 B
YUV/HDMI/DVI Lch SW IC
IC4304 NJM2534V
C4350
1 B
32
BUFFER
SW_AUDIO_L[PC]
C4351
1 B
BAIAS
C4357
1 B
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
FROM/TO SCALER
SW_AUDIO_R[PC]
SW_AUDIO_L[PC]
SIDE_CVBS
7
HP_OUT_L
HP_OUT_R
FROM/TO MICOM
COMPONENT/HDMI
HDMI/DVI
HEADPHONE_IN
KEY-A
KEY-B
CVBS/PC
6
TO AV SWITCH2
HDMI_Y
HDMI_PB
HDMI_PR
VGA-R
VGA-G
VGA-B
VGAHS
5
VGAVS
C4378
FROM OPERATION/REMOCON
470P CH
C4372 CP2200 (CD2200)
A2001WV2-3P
470P CH
GND 1
KEY-B
KEY B 2
KEY-A
KEY A 3
D4301
UDZS5.6B
D4302
FROM REGULATOR
UDZS5.6B
4
P.CON+3.3V
P.CON+12V
HDMI+5V
HDMI_VNREG+5V
P.CON+9V
GND
3
2
PCBDS0
CEE082
1
H
G-20