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DIA-13
PCB_KP4A
Printed Wiring Board Diagrams
!
CAUTION
This projector is isolated from AC line by using the internal converter transformer.
Please pay attention to the following notes in servicing
1. Do not touch the part on hot side (primary circuit) or both parts on hot and cold
sides (secondary circuit) at the same time.
2. Do not shorten the circuit between hot and cold sides.
3. The grounding lead must be connected to the ground of the same circuit when
measuring of voltages and waveforms.
PbF
1LG4B10W1180A
***,???
A
A
K30A
K30B
K30C
K30D
K30E
K38A
K20C
K20D
SCB506
6
SCB5067
R3801
R3802
R3803
R3804
R3805
R3806
R3807
R3808
C3831
1
8
9
16
IC3801
R3809
C3832
8
5
1
4
IC3805
8
5
1
4
IC3806
R3810
R3813
R3814
R3815
L5251
L5252
R3817
R3818
R3819
R3820
R3821
R3822
R3823
R3824
R3825
R3826
R3827
R3828
R3831
R3832
R3833
R3834
R3835
R3836
R3837
R3838
TE5001
L8166
C5001
C5002
C5003
C5004
C5006
C5007
R1931
C5009
R1932
R1933
R1934
R1935
C5011
C5012
C5013
C5014
SC2001
SC2002
SC2003
SC2004
R1941
SC2006
C5022
C5024
L2001
L2002
L2003
L200
4
R5001
R5002
L2006
R5003
R5004
R5005
R5006
R5007
R5008
1
10
20
11
IC5001
R5009
Q503
1
R5201
Q5032
R5202
R5204
R5209
R5021
R5022
C5051
R5031
R5032
R5033
R5034
R5036
R5037
C5061
Q5061
Q5062
Q5063
Q5064
C5069
1
12
25
36
13
48
37
24
IC5231
C5261
C5262
C5263 C5264
C5265
C5266
C5267
C5268
SC3001
L2821
SC3002
L2822
SC3003
SC3004
R5051
SC3006
R5052
R5053
R5054
R5055
R5056
R5057
R5058
8
5
1
4
IC5051
R5059
L3001
D5061
L3002
D5062
R5252
L3003
L3004
R5061
R5256
L3006
R5062
R5063
R5064
R5066
R5067
R5068
R5069
R5071
SC3801
SC3802
C1035 C1036 C1037
L3801
L3802
SC3813
SC3814
SC3815
SC3816
SC3817
SC3818
SC3819
L3811
SC3821
C1051
L3812
L3813
L3814
L3815
L3816
C1056 C1057
L3817
L3818
C1059
C1060
Q200
1
Q2002
Q2003
Q2004
R1055
R1057
R1058
1
2
39
40
K21A
R1059
R2001
R1062
R2003
R2005
R2007
R2008
R2010
R2011
R2012
R2013
R2014
R2015
R2019
R2020
C2824
R2035
R2036
C3001
C3002
C3003
C3004
Q3001
Q3002
D2821
D2822
D2823
R2824
R2826
R2827
R2828
R2829
R3001
R3003
R3005
R3007
R3009
C3801
Q5355
C3802
Q5356
C3803
C3804
C3805
Q380
1
C3806
R3011
R3012
R3017
R3018
C3810
C3811
R3019
C3812
C3815
R3020
R3021
R3022
C3821
PbF
A/V (SIDE:A)
MAIN
“K8I”
ID CONNECT (SIDE:A)
ID CONNECT (SIDE:A)
FILTER SW (SIDE:A)
FILTER SW (SIDE:B)
PbF
1LG4B10W1160D
SW1891
1
3
K18W
PbF
PbF
1LG4B10W1160D
SW1891
PbF
PbF
??? ***
1LG4B10W1180D
2
6
1
5
K87B
L8731
L8732
L8733
L8734
L8737
R8738
1
6
K87A
PbF
PbF
1LG4B10W1180D
*** ???
PbF
MAIN
“K8E”
PbF
1LG4B10W1180A
*** ???
K30A
K30B
K30C
K30D
K30E
K38A
K20C
K20D
SCB5066
SCB5067
PbF
A/V (SIDE:B)
MAIN
“K10A”
PbF
1LG4B10W1180B
POWE
R
DL
V
SENSO
R
TEMP WARNING
WARNING FITE
R
SHUTTE
R
LAMP REPLAC
E
*** ???
PARTS SIDE
AU2801
AU2803
C6891
D6883
D6884
D6885
D6887
D6888
D6889
D6890
D6891
D6892
D6893
R6891
R6892
R6893
R6894
R6895
R6896
C2851
C2852
C2853
C2854
C2855
C2856
D2851
D2852
D2853
D2854
R2851
R2852
R2853
R2854
D6886
D6881
5
8
1
4
IC2860
R2861
D2861
C2861
R2862
C2862
R2863
C2863
R2864
R2865
R2866
R2867
R2868
K28A
1
13
PbF
PbF
1LG4B10W1180B
*** ???
SOLDER SIDE
AU2801
AU2803
PbF
RC & LED (SIDE:A)
RC & LED (SIDE:B)
MAIN
“K8H”
Summary of Contents for PT-EX600U
Page 113: ...113 IC Block Diagrams M62393 DAC IC7801 ISL51002 A D converter IC201...
Page 115: ...115 IC Block Diagrams PW392 Scaler IC301 STR A6079 Power switching IC603...
Page 116: ...116 IC Block Diagrams LIS331 3600 G Sensor IC3850 TB6608 IRIS Driver IC601...
Page 117: ...117 IC Block Diagrams MB95F353EPFT Sub CPU IC9885 SSC9512S Power switching IC604...
Page 118: ...118 IC Block Diagrams IP00C783 Keystone IC2301 TPA3111D Audio Output IC001...
Page 160: ......