Sony VPL-PX20 Service Manual page 163

• Refer to page 9-28 for Printed Wiring Board
• Refer to page 9-28 for Waveforms
• Refer to page 9-31 for IC Block Diagrams
15.5V
1
L604
1µH
C668 C670
0.1 100
25V
B:CHIP
:AL-CP
SCEN
(P1) B VCOM
B OUT
B
C671
BINV
C669
11
#
TP604
SID-OUT
D5V-2
B
JL619
#
2
48 47 46
FB611
BKM1608TS601
DLY-CON
49 DLY-CNT
50 MCLK
51 MCLK
INV-CNT
52 INV-CNT
53 VDD
C663
54 CLK-OUT
22
6.3V
:AL-CP 55 CLK-OUT
56 NC
TP625
57 NC
58 DGND
C665
JL660 C664
0.1 59 CLK-IN
# 0.1
16V 16V
B:CHIP B:CHIP 60
61 CLK-IN
PRG
62 PRG
63 NC
64 NC
3
V33
1 2 3
+15.5V
POS-CON1
POS-CON2
R716 0 SHORT
R717 0 SHORT
FRP
R718
R724 R727
100k
C667
0.1 1/16W 0
B:CHIP :CHIP SHORT
B
R714 # R722
B
(P1)
R715 0 SHORT
48 47 46
R711
0
SHORT
4
49 DLY-CNT
(P3)
4.6
MCLK 50 MCLK
3.7
MCLK 51 MCLK
3.7
(P3)
52 INV-CNT
R712
5.0
#
53 VDD
R710 R713
3.5
0 #
54 CLK-OUT
SHORT
55 CLK-OUT
3.5
56
NC
57 NC
58 DGND
59
CLK-IN
3.5
60
61 CLK-IN
3.5
62
PRG
0.3
63 NC
64 NC
1 2 3
5
R721
R725
SHORT
LCD DRIVE (P3)
A B
15.5V
Q602
HN1B01FU-T
FB645
BUFF
R617
2.2k
1/16W
R602
7.7 :CHIP
100
1
1/16W
7.1
:CHIP
2
3 6
5 2 6
7.1
0
C602
4 1
6.5 6.5 15.6
0.1
B:CHIP
R605
2.2k
7.1
1/16W
:CHIP
JL651
#
#
C672 L605
R719
0.1 1µH
47
C788
B:CHIP C677
1/16W
R735 C675 #
0.1
:CHIP 0.1
27k
B:CHIP
1/16W 25V
B:CHIP
:RN-CP
R750
JL622
0
#
SHORT
C673
C676
#
0.1 25V B:CHIP
C678 C680
C681
45 44 43 42 41 40 39 38 37 36 35 34 33
0.1 100
0.1
B:CHIP
16V 25V
:AL-CP
B:CHIP
R738
47
1/16W
GND2 32
:CHIP
VID1
SH-OUT1 31
R739
NC 30 47 1/16W :CHIP
VID2
SH-OUT2 29
NC 28
VID3
SH-OUT3 27
R740
PVCC 26 47
IC609
1/16W
CXA2112R NC 25 :CHIP
LCD DRIVER
15.5V
NC 24
(B)
PGND 23 R741
B
47
NC 22 1/16W
:CHIP
VID4
SH-OUT4 21
R742
NC 20 47 1/16W :CHIP
VID5
SH-OUT5 19 12
JL620 TP605
#
NC 18
VID1
VID6
SH-OUT6 17
VID2
R743
47 VID3
1/16W
:CHIP
VID4
4 5 6 7 8 9 10 11 12 13 14 15 16
VID5
VID6
R723
10k TP606
13 VID7
1/16W
:CHIP
JL621 #
VID8
RB DIR (P3) VID9
VID10
R729
VID11
0
SHORT
VID12
JL638
#
HST
R736 R737
R730
27k 0 C679 B
100k
1/16W 0.1 HCK2
0 1/16W
1/16W
:RN-CP :CHIP B:CHIP
SHORT :CHIP
HCK1
#
JL637
#
ENB1
45 44 43 42 41 40 39 38 37 36 35 34 33
VCK
VST
R744
47
1/16W
GND2 32
:CHIP
VID7
SH-OUT1 31
7.1
R745
NC 30 JL633
47 1/16W :CHIP
#
VID8 PCG
SH-OUT2 29
7.1
NC 28
VID9
SH-OUT3 27
7.1
R746
PVCC 26
IC610 47
1/16W
CXA2112R
25
NC :CHIP
LCD DRIVER
(B) NC 24
R747
PGND 23
47
22 1/16W
NC
:CHIP
VID10
SH-OUT4 21
7.1 R748
NC 20 47 1/16W :CHIP
VID11
19
SH-OUT5
7.1
NC 18
VID12
SH-OUT6 17
7.1 R749
47
1/16W
:CHIP
4 5 6 7 8 9 10 11 12 13 14 15 16
R734
#
#
R731
R726
0 0
#
SHORT
C
C (2/3) C (2/3)
Q605
HN1B01FU-T
BUFF
7.1 R622
4 B:CHIP
2.2
1/16W
5
:CHIP
7.7 SCEN
3
R623 R626
(P1) R VCOM
2.2 0 JL602
1/16W #
1/16W
R OUT
:CHIP :CHIP
RINV
14
TP607
SID-OUT
JL623
#
R
D 5V-2
FB622
BKM1608TS601
DLY-CON
49
50
51
INV-CNT
52
53
54
55
TP626 56
57
C688
#
FB635
58
BKM1608TS601
CN602 C686
C687
32P JL661 22 59
0.1
6.3V
FPC #
16V
C683 :AL-CP
FB612 60
B:CHIP
0.1
# TO LCD PANEL(B)
B:CHIP
61
32
PS2G
1 PRG
62
R753
31
0 2 VSSGR
SHORT 63
30
3 VSIG1
64
29
VSIG2
4
28
5 VSIG3
V33
27
6 VSIG4
26
VSIG5
7
+15.5V
25
8 VSIG6
POS-CON1
24
9 VSIG7
POS-CON2
23
10 VSIG8
22
11 VSIG9
21
12 VSIG10
20
13 VSIG11
19
14 VSIG12
18
15 HVDD
FB613
BKM1608TS601 17 FRP
16 RGT
FB614
BKM1608TS601 16
17 HST
FB615
BKM1608TS601
15
18 HCK2
FB616
BKM1608TS601 14
19 HCK1
R754 (P1)
R
0 13
VSS R
20
SHORT
R762
12
21 VSSGL
FB617
11
#
22 BLK
FB618
BKM1608TS601 10
ENB
23
FB619
BKM1608TS601 9
24 VCK
FB620
BKM1608TS601 8
25 VST
R755
7
DWN
FB636 0 26 49
(P3)
BKM1608TS601
SHORT
6
27 HB MCLK 50
3.7
5
28 VB MCLK 51
4 (P3)
PCG
29 R757 52
0
3
30 VVDD SHORT 53
3.5
C685 2
31 COM 54
0.1 R759
B:CHIP 1 R758 #
SOUT
32 55
0
FB621 SHORT
56
#
C689 57
0.1
R756
16V 58
#
B:CHIP
59
DWN
60
61
VB2
62
JL639
# (P1)
63
BLK
64
VB1
RB DIR (P3)
LCD DRIVE
(P3)
9-30 9-30
D E
15.5V
L606
HN1B01FU-T
1µH
C691 C693
R601
0.1 100
100
25V
1/16W
:AL-CP
:CHIP
5
7.1
6.5
C601
R 0.1 R604
B:CHIP 2.2k
1/16W
:CHIP
C787
#
C694
C692
#
# C695 L607
R766
0.1 1µH
10
B:CHIP
C700
1/16W
R782 C698
0.1
:CHIP
27k 0.1
B:CHIP
1/16W 25V
:RN-CP B:CHIP R797
0
SHORT
C696
C699
#
0.1 25V B:CHIP
C703
C701
100
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
0.1 16V
B:CHIP
:AL-CP
R785
47
DLY-CNT GND2 32 1/16W
:CHIP VID1
MCLK SH-OUT1 31
R786
MCLK NC 30
47 1/16W :CHIP
VID2
INV-CNT SH-OUT2 29
VDD NC 28
VID3
CLK-OUT SH-OUT3 27
R787
CLK-OUT PVCC 26 47
IC611
1/16W
NC CXA2112R NC 25 :CHIP
LCD DRIVER
NC NC 24 R
(R)
R788
DGND PGND 23
47
CLK-IN NC 22 1/16W
:CHIP
VID4
SH-OUT4 21
R789
JL624
CLK-IN NC 20 47 1/16W :CHIP
VID5 VID1
PRG SH-OUT5 19
VID2
NC NC 18
VID6 VID3
NC SH-OUT6 17
R790
VID4
47
1/16W VID5
:CHIP
VID6
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
16 VID7
R770
VID8
R779
10k
R767 1/16W #
# VID9
:CHIP
VID10
RB DIR (P3)
VID11
R776
VID12
R763 0 SHORT 0
SHORT
R764 0 SHORT
HST
HCK2
C690
R784
0.1
R771 R774 R777
R765 R783 0 HCK1
B:CHIP C702
100k 0 100k SHORT
0 27k
0.1
1/16W SHORT 1/16W 1/16W
SHORT B:CHIP
:CHIP
:CHIP :RN-CP
R761 # R769 #
0 SHORT
R
ENB1
C697
#
VCK
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
VST
R791
47
1/16W
DLY-CNT GND2 32
4.6 :CHIP
VID7
MCLK SH-OUT1 31
PCG
7.1
R792
MCLK NC 30
47 1/16W :CHIP
3.7
VID8
INV-CNT SH-OUT2 29
5.0 7.1
VDD NC 28
VID9
CLK-OUT SH-OUT3 27
7.1 R793
CLK-OUT PVCC 26 47
IC612
3.5
1/16W
CXA2112R 25 :CHIP
NC NC
LCD DRIVER
NC NC 24
(R)
DGND PGND 23 R794
47
22 1/16W
CLK-IN NC
3.5 :CHIP
VID10
SH-OUT4 21
7.1 R795
CLK-IN NC 20 47 1/16W :CHIP
3.5 VID11
19
PRG SH-OUT5
0.3 7.1
NC NC 18
VID12
NC SH-OUT6 17
7.1
R796
47
1/16W
:CHIP
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
R781
R768 #
#
R772
R778
0 R773
0
#
SHORT
SHORT
F
15.5V
Q601
FB644
BUFF
R615
Q604
2.2k
HN1B01FU-T
1/16W
:CHIP BUFF
7.7
7.1
1 4
7.1 R620
2.2
2 5
1/16W
3 6
:CHIP
7.7
2 6 3
R621 R625
2.2 0 JL601
0
1/16W #
4 1 1/16W
6.5 15.6
:CHIP :CHIP
7.1
JL626
#
C704
0.1
25V
B:CHIP
15.5V
FB637
BKM1608TS601
CN603
32P
C706 FPC
FB623
0.1
TO LCD PANEL(R)
#
B:CHIP
32
R798 1 PS2G
15 0
31
TP608 SHORT 2 VSSGR
#
30
3 VSIG1
29
4 VSIG2
28
5 VSIG3
27
6 VSIG4
26
7 VSIG5
25
8 VSIG6
TP609
24
VSIG7
9
JL625 #
23
10 VSIG8
22
11 VSIG9
21
VSIG10
12
20
13 VSIG11
19
14 VSIG12
18
HVDD
15
FB624
BKM1608TS601 17
16 RGT
FB625
BKM1608TS601
16
17 HST
FB626
BKM1608TS601 15
HCK2
18
FB627
BKM1608TS601 14
19 HCK1
R799
13
0 20 VSS
SHORT
12
VSSGL
21
FB628
# 11
22 BLK
FB629
BKM1608TS601
10
23 ENB
FB630
BKM1608TS601 9
VCK
24
FB631
BKM1608TS601 8
25 VST
7
26 DWN
6
HB
27
5
28 VB
4
29 PCG
3
30 VVDD
FB638
2
31 COM
BKM1608TS601
C708
0.1 1
32 SOUT
B:CHIP
FB632 R1601
# 0
SHORT
R1602
#
DWN
VB2
(P1)
BLK
VB1
RB DIR (P3)
C(2/3)
(LCD DRIVER)
B-SS1696<08.>-C..-P2
VPL-PX20/PX30
G H