Service manual

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
Q4305
KTC3875S_Y_RTK
BUFFER
Q4302
KTC3875S_Y_RTK
BUFFER
L4301
47uH
NLCV32T
CP4302
1-1734344-1
D-SUB
1
10
11
12
13
14
15
2
3
4
5
6
7
8
9
CP2200
A2001WV2-3P
1
2
3
H2NC H1
E
J4301
MSD-242VA1-03_NI_FE_LF
AUDIO IN(DVI1/PC)
1 234
L4306
22uH
NLCV32T
C4337
10016V V-S
C4324
10016V V-S
D4301
UDZS5.6B
D4302
UDZS5.6B
B4303 BLM18BB600SN1
B4304 BLM18BB600SN1
B4305
BLM18BB600SN1
B4308
MMZ1608R102CT
B4307
MMZ1608R102CT
W891
W892
C4328 0.1 B
C4350
1B
C4351
1B
C4357
1B
C4378
470PCH
C4372
470PCH
C4314
1B
C4315
1B
C4358
1B
C4353
1B
C4352
1B
C4366
0.001 B
C4362
0.001 B
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
R4309 10K
R4315 10K
R4316
10K
R4333
4.7K
R4329
220K
R4328
180K
R4308
75
R4310
75
R4305
75
R4320
220K
R4319
180K
R4324
4.7K
R4314
1K
R4313
1K
R4304
10
R4323
10
IC4304 NJM2534V
YUV/HDMI/DVI Lch SW
1234
5678
IC4305 NJM2534V
YUV/HDMI/DVI Rch SW
1234
5678
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
DVI_A_IN_L
DVI_A_IN_R
HDMI_A_IN_L
HDMI_A_IN_R
SW_AUDIO_R[PC]
SW_AUDIO_L[PC]
SW_AUDIO_R[PC]
PC_A_IN_R
PC_A_IN_L
P.CON+9V
COMPONENT/HDMI
HDMI/DVI
KEY-A
KEY-B
HDMI_A_IN_R
HDMI_A_IN_L
HDMI/DVI SW_AUDIO_L[PC]
DVI_A_IN_R
DVI_A_IN_L
P.CON+9V
COMPONENT/HDMI
VGA-R
VGA-G
VGA-B
VGAVS
VGAHS
PC_A_IN_L
PC_A_IN_R
KEY-B
KEY-A
VGA-R
VGA-G
VGA-B
P.CON+9V
GND
VGAHS
VGAVS
(SCALER PCB)
JACK SCHEMATIC DIAGRAM
H-30
H-29
PCBDS0
CEF156
FROM/TO AV SWITCH1
FROM/TO MICON
FROM/TO SCALER
3.0 2.4
8.5
NC
NC
NC
DGND
AGND
AGND
NC
DGND
NC
DDCD
DDCC
NC
NC
NC
4.74.84.6
5.2 9.1 4.5 0
4.8
BAIAS
BUFFER
GND
KEY A
KEY B
VGA-R
VGA-G
VGA-B
AGND
VGAHS
VGAVS
5.4
3.0
8.5
BAIAS
BUFFER
4.74.84.6
5.2 9.1 4.5 0
4.8
FROM/TO REGULATOR
RED
R
WHITE L
(CP2203)
25
26
FROM/TO INTERFACE_HDMI IC
FROM/TO ADC1
FROM/TO OPERATION/SIDE JACK/
REMOCON/FILTER/POWER SWITCH