Sony CPD-L181A Service Manual ▷ View online
CPD-L181A
SECTION 3
ADJUSTMENTS
3-1
Connect the personal computer, monitor, and signal generator as shown below, and control the monitor.
•
Adjustment of screen position
1.
Adjustment with expansion signal (below XGA)
(1) Input a cross hatch signal of VGA 640
×
480, fv: 60 Hz, and
fh: 31.5 kHz.
(2) Set ZOOM to Full-2.
(3) Set PHASE to 20.
(4) Adjust IN_OFFSET_H to bring the screen to an appropriate
(3) Set PHASE to 20.
(4) Adjust IN_OFFSET_H to bring the screen to an appropriate
position.
(5) Write the adjusted IN_OFFSET_H value into LOW_MEAS.
(Input “IN_OFFSET_H” of UMT to “LOW_MEAS” of SC
TABLE, and conduct service save ( Select S with ALT + M ).
TABLE, and conduct service save ( Select S with ALT + M ).
(6) Input a cross hatch signal of XGA 1024
×
768, fv: 85 Hz,
and fh: 68.7 kHz.
(7) Set ZOOM to Full-2.
(8) Set PHASE to 20.
(9) Adjust IN_OFFSET_H to bring the screen to an appropriate
(8) Set PHASE to 20.
(9) Adjust IN_OFFSET_H to bring the screen to an appropriate
position.
(10)Write the adjusted IN_OFFSET_H value into HIGH_MEAS.
(Input “IN_OFFSET_H” of UMT to “HI_MEAS” of SC TABLE,
and conduct service save ( Select S with ALT + M ).
and conduct service save ( Select S with ALT + M ).
2.
Adjustment with same size signal (SXGA)
(1) Input a cross hatch signal of SXGA 1280
×
1024, fv: 60 Hz,
and fh: 63.98 kHz.
(2) Set ZOOM to Full-2.
(3) Set PHASE to 20.
(4) Adjust IN_OFFSET_H to bring the screen to an appropriate
(3) Set PHASE to 20.
(4) Adjust IN_OFFSET_H to bring the screen to an appropriate
position.
(5) Write the adjusted IN_OFFSET_H value into SXGA1_MEAS.
(Input “IN_OFFSET_H” of UMT to “SXGA1_MEAS” of SC
TABLE, and conduct service save ( Select S with ALT + M ).
TABLE, and conduct service save ( Select S with ALT + M ).
(6) Input a cross hatch signal of SXGA 1280
×
1024, fv: 85 Hz,
and fh: 91.15 kHz.
(7) Set ZOOM to Full-2.
(8) Set PHASE to 20.
(9) Adjust IN_OFFSET_H to bring the screen to an appropriate
(8) Set PHASE to 20.
(9) Adjust IN_OFFSET_H to bring the screen to an appropriate
position.
(10)Write the adjusted IN_OFFSET_H value into SXGA2_MEAS.
(Input “IN_OFFSET_H” of UMT to “SXGA2_MEAS” of SC
TABLE, and conduct service save ( Select S with ALT + M ).
TABLE, and conduct service save ( Select S with ALT + M ).
(11)Get out of the adjustment mode.
Note: “Appropriate” means that vertical lines at both edges are
uniform. If impossible, select the adjustment value with
which the left vertical line becomes thicker.
which the left vertical line becomes thicker.
* Maintain the Aging mode for 30 to 60 minutes.
Computer for jig
Signal generator
(VG-819, etc.)
(VG-819, etc.)
TO INPUT-1
TO REMOTE
The left edge is not shown.
The right edge is not shown.
CPD-L181A
3-2
•
Adjustment of factory preset mode
Repeat the following operations as many times as the num-
ber of preset frequency sets.
ber of preset frequency sets.
(1) Input the signal that is to be confirmed.
(2) Set ZOOM to Full-1.
(3) Check that H_CENTER is appropriate.
(4) Check that V_CENTER is appropriate.
(5) Check that PITCH is appropriate.
(6) Check that PHASE is appropriate.
(7) If not, make adjustment and save the adjusted data.
(2) Set ZOOM to Full-1.
(3) Check that H_CENTER is appropriate.
(4) Check that V_CENTER is appropriate.
(5) Check that PITCH is appropriate.
(6) Check that PHASE is appropriate.
(7) If not, make adjustment and save the adjusted data.
•
Adjustment of white balance
When no measuring instrument is used, compare the color
with the reference set so that the colors will be the same.
with the reference set so that the colors will be the same.
1.
Adjustment of 9300
°
K
(1) Receive MODE29 (1280
×
1024 60Hz) 30IRE.
Set COLOR to 9300
°
K. (COLOR_INDEX=1)
(2) Begin with adjustment value, R_DRV_MAX, "G/
B_DRV_MAX" -20.
(Adjusted value by set-up adjustment)
(Adjusted value by set-up adjustment)
(3) Make adjustment with R/G_USR_DRV to set the chroma-
ticity within the specification.
y adjustment ..... Make adjustment with G_USR_DRV.
G_USR_DRV DOWN
Value y decrease.
G_USR_DRV UP
Value y increase.
x adjustment ..... Make adjustment with R_USR_DRV.
R_USR_DRV UP
Value y increases.
R_USR_DRV DOWN
Value y decreases.
(4) Make the signal 30IRE all white to check that it is within the
specification.
(5) Input a gray scale to check the picture quality.
(6) Conduct color save ( Select C with ALT + M ).
(6) Conduct color save ( Select C with ALT + M ).
Spec: 9300
°
K 30IRE (x, y) = (0.285, 0.294)
Within 3JND
Check the following specification for dispersion control
without adjustment.
without adjustment.
9300
°
K 30IRE (x, y) = (0.285, 0.294)
Within 5JND
Note: Make adjustment up to
±
0.0002.
2.
Adjustment of 6500
°
K
(1) Receive MODE29 (1280
×
1024 60Hz) 50IRE.
Set COLOR to 6500
°
K. (COLOR_INDEX=2)
(2) Begin with adjustment value, R_DRV_MAX, "G/
B_DRV_MAX" -10.
(3) Make adjustment with R/B_USR_DRV to set the chroma-
ticity within the specification.
y adjustment ..... Make adjustment with B_USR_DRV.
(The value x also changes.)
B_USR_DRV UP
Values x and y decrease.
B_USR_DRV DOWN
Values x and y increase.
x adjustment ..... Make adjustment with R_USR_DRV.
R_USR_DRV UP
Value y increases.
R_USR_DRV DOWN
Value y decreases.
(4) Make the signal 30IRE all white to check that it is within the
specification.
(5) Input a gray scale to check the picture quality.
(6) Conduct color save ( Select C with ALT + M ) and get out of
the adjustment mode.
Spec: 6500
Spec: 6500
°
K 50IRE (x, y) = (0.314, 0.324)
Within 3JND
Check the following specification for dispersion control
without adjustment.
6500
°
K 30IRE (x, y) = (0.314, 0.324)
Within 4JND
Note: Make adjustment up to
±
0.0002.
3.
Adjustment of 5000
°
K
(1) Receive MODE29 (1280
×
1024 60Hz) 50IRE.
Set COLOR to 5000
°
K. (COLOR_INDEX=3)
(2) Begin with adjustment value, R/G/B_DRV_MAX.
(3) Make adjustment with R/B_USR_DRV to set the chroma-
(3) Make adjustment with R/B_USR_DRV to set the chroma-
ticity within the specification when 50IRE is input. (The H/
L input level is 50IRE only for 5000
L input level is 50IRE only for 5000
°
K.)
y adjustment ..... Make adjustment with B_USR_DRV.
(The value x also changes.)
B_USR_DRV UP
Values x and y decrease.
B_USR_DRV DOWN
Values x and y increase.
x adjustment ..... Make adjustment with R_USR_DRV.
R_USR_DRV UP
Value y increases.
R_USR_DRV DOWN
Value y decreases.
(4) Make the signal 30IRE all white to check that it is within the
specification.
(5) Input a gray scale to check the picture quality.
(6) Conduct color save ( Select C with ALT + M )and get out of
(6) Conduct color save ( Select C with ALT + M )and get out of
the adjustment mode.
Spec: 5000
Spec: 5000
°
K 50IRE (x, y) = (0.345, 0.352)
Within 3JND
Check the following specification for dispersion control
without adjustment.
5000
without adjustment.
5000
°
K 30IRE (x, y) = (0.345, 0.352)
Within 4JND
Note: Make adjustment up to
±
0.002. Check to see if the
specification “within 5000
°
K
±
3JND” is met when
adjustment up to
±
0.0002 is impossible although
B_USR_DRV can be lowered to 0 because of the nature
of PRE-AMP, for which white balance adjustment is
made. If the specification is met, there is no problem.
of PRE-AMP, for which white balance adjustment is
made. If the specification is met, there is no problem.
4-1
4-2
SECTION 4
DIAGRAMS
4-1. BLOCK DIAGRAMS
H
( CONTROL PANEL )
1
GND
CN201
LED DRIVE
Q203,204
LED DRIVE
Q201
LED DRIVE
Q202
KEY MATRIX
S202-S208
2
POWER LED P
3
POWER LED S
4
INPUT LED 1
5
INPUT LED 2
6
SUB 5V
7
KEY DET
8
GND
9
POWER KEY
POWER / STBY
D207
POWER
S201
INPUT 1
D202
INPUT2
D201
C
TO
A BOARD
CN413
A BOARD
CN413
B-SS3495<J..>-BD2-24
12
RED
CN101
CN103
CN105
11
GND
10
GREEN
9
GND
8
BLUE
7
GND
6
H SYNC 1
5
V SYNC 1
4
DDC SCL 1
2
HOST GND 1
DDC 5V 1
3
DDC SDA 1
1
12
RED
11
GND
10
GREEN
9
GND
8
BLUE
B
J
7
GND
6
H SYNC 2
7
GND
1
RED
1
RED
2
GREEN
3
BLUE
13
H SYNC 2
14
V SYNC 2
15
DDC SCL 2
12
DDC SDA 2
INPUT 2
CN104
5
HOST GND 2
9
7
8
6
4
5
3
2
1
DDC 5V 2
6,7,8,10
GND
2
GREEN
3
BLUE
13
1
5
6
10
11
15
H SYNC 1
14
V SYNC 1
15
DDC SCL 1
12
DDC SDA 1
5
HOST GND 1
9
DDC 5V 1
6,7,8,10
GND
6
DTR
5
RXD
4
TXD
D120
D121
F102
F101
3
V-
2
A 5V
1
A 5V
CN108
6
VCC
5
VCC
4
VCC
3
GND
2
GND
1
GND
CN109
1
DC IN
2
DC IN
DC IN
3
GND
4
NC
5
GND
5
V SYNC 2
4
DDC SCL 2
2
HOST GND 2
DDC 5V 2
TO
A BOARD
CN512
A BOARD
CN512
3
DDC SDA 2
1
REMOTE
CN106
INPUT 1
CN102
D
TO
A BOARD
CN414
A BOARD
CN414
( INPUT TERMINAL )
E
TO
GA BOARD
CN301
GA BOARD
CN301
A
TO
A BOARD
CN511
A BOARD
CN511
1
5
6
10
11
15
B-SS3495<J..>-BD1-24
1
20V
CN301
2
20V
3
20V
4
GND
5
GND
6
GND
7
2
IC301
DC-DC CONVERTER
8
3
VCC
OUT
OUT
BOOT
VFB
INH
VCC
9
12
10
5
4
IC302
DC-DC CONVERTER
VCC
VCC
FB
BOOT
6
8
C
TO
J BOARD
CN108
J BOARD
CN108
+12V
CN303
1
2
3
2
3
4
5
6
7
+12V
GND
GND
GND
GND
BL-BRT
BL-ON
+12V
1
2
3
2
3
4
5
6
7
+12V
GND
GND
GND
GND
BL-BRT
BL-ON
+6V
CN305
1
2
3
2
3
4
+6V
GND
GND
+13V
CN306
1
2
3
2
3
4
+13V
GND
GND
VCC
CN302
1
2
2
3
FAN-DET
GND
G
TO
A BOARD
CN412
A BOARD
CN412
BL-ON
CN304
1
2
3
2
3
4
5
6
7
8
9
BL-BRT
GND
GND
POWER
FAN-DET
+6V
+6V
SUB-ON
F
TO
A BOARD
CN411
A BOARD
CN411
5
IC304
DC-DC CONVERTER
IC303
FAN DRIVE
4
VCC
BOOT
OUT
FB
SS-INH
6
8
2
FAN
SW
Q301
SW
Q302 - Q304
I
O
GA
(DC-DC CONVERTER)
INVERTER
B-SS3495<J..>-BD3-24
4-3
4-4
IC1221
PANEL CONTROL
2
1
3
4
5
6
LVD S GND
CN1202
RXE IN 0-
RXE IN 0+
RXE IN 1-
RXE IN 1+
RXE IN 2-
RXE IN 2+
RXE CLK-
RXE CLK+
RXE IN 3-
RXE IN 3+
RXO IN 0-
RXO IN 0+
RXO IN 1-
RXO IN 1+
RXO IN 2-
RXO IN 2+
RXO CLK-
RXO CLK+
RXO IN 3-
RXO IN 3+
D GND
V CONT
SELL VDS
V IN RTN
V IN RTN
V IN RTN
V IN
V IN
VIW
TO
PANEL
PANEL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
12
RED
CN511
11
GND
10
GREEN
9
GND
8
BLUE
7
GND
6
H SYNC1
5
V SYNC1
4
DDC1 SCL
3
DDC1 SDA
2
DDC1 GND
1
DDC1 5V
12
RED
CN512
11
GND
10
GREEN
9
GND
8
BLUE
7
GND
6
H SYNC2
5
V SYNC2
4
DDC2 SCL
3
DDC2 SDA
2
DDC2 GND
1
DDC2 5V
9
GND
CN413
8
POWER LED P
7
POWER LED S
6
INPUT LED 1
5
INPUT LED 2
4
SUB 5V
3
KEY DET
2
1
GND
POWER KEY
2
BUFF
Q522
5
8
2 IN1(R)
R IN
OUT(R)
R OUT
G IN
G OUT
B IN
B OUT
PIX
R DRV
G DRV
B DRV
CLP
A01
REF
A02
R DRV
PIX
G CRV
B DRV
PIX
BL BRT
SILI DO
SILI CLK
DAC SEL
A03
A07
A08
DI
CLK
LD
VIDEO
2Q
POLH
EXIH
POLH
EXIV
VSIV
C/H SYNC
V SYNC
H DRV
2G
R BRT
G BRT
V IN
R NEW 0 — R NEW7
R OLD0 — ROLD7
P2 CLKH R
CLK H
CLK L
CLK 2L
R NEW 0-R NEW 7
R OLD 0-R OLD 7
PICLKH G
CLKH
CLKL
CLK 2L
CLK 2H
CLK H
CLK L
CLK 2L
CLK 2H
PIHS
PIVS
B NEW 0-B NEW 7
B OLD 0-B OLD 7
DTEN
PIHS
PIVS
MA 00
MA 09
D0
Y0M
Y0P
Y1M
Y1P
Y2M
Y2P
CLK OUT M
CLK OUT P
Y3M
Y3P
D7
D14
D27
D6
G OLD 7
B OLD 7
HSO
VSO
DEA/B
MD 00
MD 31
DQM 0
DQM 1
DQM 2
DQM 3
WE
CAS
RAS
CS
A10
MEM CLK
R SEL
PICLK
PID 15
PID 00
POVS
PICLKH G
CLK 2H
P1DO-P1D7
VRB
VRT
P2DO-P2D7
CLK OUT
CLK/E
RESET/E
V IN
P1DO-P1D7
VRB
VRT
P2DO-P2D7
CLK OUT
CLK/E
-CLK N/E
RESET/E
-RESET N/E
V IN
P1DO-P1D7
VRB
VRT
P2DO-P2D7
CLK OUT
CLK/E
-CLK N/E
RESET/E
-RESET N/E
POFLD
PIHS, PIVS
DQM 2
CLK
MD 31
MD 00
MA 00
MA 09
POD 15
POD 00
PIHS
PIVS
OSDT
POVS
POHS
PO CLK
ROSD
SIL 2 CLK
SIL 2 D0
RESET
DI
POHS
DQM 1
PO CLK
DTNIO
CAS
MWR
S CLK
RAS
SI
RST
SO
POFLD
CSO
BAO
M CLK
SS
OSDT
POVS
POHS
POCLK
GB OSD
SIL2 CLK
SIL2 DO
Y6
RESET
DI
CS
B BRT
A06
A05
A04
CLAMP
1B
1Q 2B
POLH
EXIH
POLH
EXIV
V DRV
1G
1A1
SILI DO
HSI 1
SYNC IRQ
EXIH
POLH
SILI CLK
SILI DI
PLL SEL
UNLOCK
1Y1
2A1
2Y1
1A2
1Y2
2A2
1A3
2A3
2Y2
1Y3
2Y3
V CLK
+12V
INPUT SEL
DDC2 5V
BL BRT, P CON
DDC1 V CLK
DDC1 SCL
DDC1 SDA
SCL
SDA
VCC
IN1(G)
OUT(G)
IN1(B)
IN2(R)
IN2(G)
IN2(B)
IN2(H)
IN2(V)
SW
DDC2 V CLK
G2
G1
H2
DDC1 V CLK
H1
V2
V1
OUT(B)
OUT(SOG)
OUT(H)
OUT(V)
5
7
IN1(H)
8
IN1(V)
9
35
IC501
SW
IC502
RGB PRE AMP
30
27
28
R
G
B
R/G/B
BUFF
BUFF
Q516 - Q518
Q530 - Q532
Q530 - Q532
24
20
BUFF
Q519
BUFF
Q520
BUFF
Q521
12
3
22
11
47
48
IC608
A/D CONVERTER (G)
IC603
A/D CONVERTER (R)
IC607
A/D CONVERTER (B)
2
14
13
21
I
28
21
I
28
33
I
40
33
I
40
21
I
28
33
I
40
43
6
R - PROCESS
IC1002
MEMORY CONTROLLER
47
48
2
14
13
92
95
94
23
30
56
24
57
27
57
48
47
46
45
42
41
40
39
38
37
28
30
31
IC1001
SG RAM
MA 00 — MA 09
R OLD 0 — R OLD 7
R NEW 0 — R NEW 7
MD 00 — MD 31
5
108
110
115
118
110
115
118
91
121
122
41
40
66
70
69
42
67
46
130
123
25
26
27
28
29
55
125
128
131
132
137
134
43
6
47
48
2
14
13
6
6
9
14
5
4
3
19
18
25
11
13
16
17
18
19
2
6
22
21
17
7
16
15
VRB REG
Q602
INV.
Q523
11
3
5
IC601
B-FF
2
2
3
IC504
SYNC SEP
IC507 INV.
INV.
Q501
INV.
Q503
IC508
V.SYNC SW
V2
V1
18
17
16
15
11
18
1
12
13
11
10
10
8
9
IC506
(2/6)
IC506
(3/6)
1
2
3
4
6
VD
HD
5
CLK L
CLK H
CLK 2H
D SYNC
CLK 2L
HOLD
5
5
A6
MEM CLK
G/B SEL
Y5
A5
Y4
A4
Y3
A3
Y2
A2
Y1
XTAL 0
XTAL 1
EEP WP
EEP SCL
EEP SDA
LED 0
LED 1
LED 2
LED 3
KEY DET
POWER IRQ
SIL2 CLK
C702 RESET
SIL2 DO
APA SEL
C702R SEL
C702G SEL
C702B SEL
SIL 2 D0
APA SEL
B SEL
G SEL
R SEL
APA CLK
A1
WC
SCL
SDA
MEM CLK, APA CLK, SIL2 DO, APA SEL
PN CLOK
P. CON
B NEW 0 — B NEW 7,B OLD O — B OLD 7,PICLKH B
COMP, EXIV, POWER KEY, BL BRT, SILI D0, SILI CLK
HSO, VSO, DE A/B
OSDT, POVS, POHS, POCLK, R/G/B OSD, PIHS, PLVS, APA DI
POWER
STBY
INPUT 1
INPUT 2
KEY DET
POWER KEY
SIL2 DI
SIL1 DL
SIL1 CLK
DAC SEL
SIL1 DI
PLL SEL
PLL UNLOCK
SYNC SEP1
SYNC SEP2
SYNC SEP3
SYNC SEP4
VS OUT U/D
HTRIG
SYNC IRQ
INPUT SEL
DDC SCL1
DDC SDA1
DDC SCL2
5DDC SDA2
SIL1 DO
SIL1 CLK
DAC SEL
SIL1 DI
PLL SEL
UNLOCK
POLH
EXIH
POLV
COMP
EXIV
EXIV
VSI1
HSI1
SYNC IRQ
INPUT SEL
S DATA
S CLK
SER OUT
SENABLE
UNLOCK
SIL 2 CLK
2
1
SYNC
IC702(3/6)
IC511
(4/6)
IC511
(1/6)
IC513
(1/4)
IC513
(2/4)
9
8
1
2
4
3
2
1
4
SILI D0, SILI CLK
3
5
6
IC512(2/4)
1
3
APA DI
2
4
6
5
IC512(1/4)
1
4
2
IC415
4
3
19
IC511
(6/6)
IC512
(3/4)
IC511
(5/6)
SYNC IRQ
Q502,525
IC511
(3/6)
IC506
(4/6)
IC510
(1/4)
9
8
2
3
1
IC511(2/6)
6
5
IC510(2/4)
IC506(6/6)
12
13
6
5
9
16
7
2
11
4
13
14
6
5
15
12
12
11
9
8
5
5
2
13
10
11
43
MEMORY
CONTROLLER
(IC802, 902)
SG RAM
(IC801, 901)
(SAME AS R PROCESS)
IC414
BUFF
BUFF
IC407(1/2) -COM
1CK
1Q
2Q
1D
2CK
2D
32
IC604
PLL
30
24
29
9
6
11
12
10
17
14
IC413
(1/6)
IC413
(2/6)
4
3
15
26
29
22
21
10
24
38
54
70
71
72
73
63
64
59
48
13 28 39 40 41 43
7
6
5
4
3
2
13
G OLD 0 - G OLD 7
G NEW 0 - G NEW 7
B OLD 0 - BOLD 7
B NEW 0 - B NEW 7
G & B PROCESS
14
15
16
17
18
79
31
30
33
32
6
7
IC409
EEP ROM
X401
4MHz
5
99
98
83
82
100
87
88
89
90
46
47
9
11
12
7
8
IC412
EEP ROM
6
5
7
8
IC411
EEP ROM
4
V CLK
SCL
SDA
DDC2 V CLK
H1
H2
G1
G2
H1
H2
DDC2 SCL
DDC2 SDA
POWER
STBY
INPUT 1
INPUT2
INPUT2
KEY DET
POWER KEY
VCC
6
5
26
1
OUT
1
IC609
VRT REG
IC610
VRB REG
IC510(3/4)
IC510(4/4)
IC503
D/A CONV.
5V-2
3
+V IN
OUT
3
-V IN 2
BUFF
Q515
IC513
(3/4)
8
9
10
SW
Q508
SW
Q504,505
SW
Q506,510
SW
Q509,511
Q507,513,514
5V SW
Q401
P.CON
A010
9
2A
2Q
IC509 MONOMULTI
12
9
73
I
80
81
I
88
98
I
102
105
I
107
84
74
21
9
72
60
7
1
98
100
97
3
2
51
47
34
31
37
30
27
20
17
10
7
144
1
61
56
53
50
31
R1
TP505
B1
TP503
G1 TP504
V1
TP501
H1
TP502
TP605
RA
TP606
GA
TP602
VRT
TP603
VRB
TP607
BA
A
(1/2)
( SCAN CONVERTER, CPU, INPUT SW)
A
TO
J BOARD
CN101
J BOARD
CN101
B
TO
J BOARD
CN103
J BOARD
CN103
C
TO
H BOARD
CN201
H BOARD
CN201
18
G SYNC
13
SW
Q512,524,
Q526 - Q529
SW
Q533,534
52
50
56
54
4
8
6
12
14
10
15
18
16
22
24
20
D15
D22
D24
D25
D26
CLK IN
IC1222
PANEL CONTR0L
D0
Y0M
Y0P
Y1M
Y1P
Y2M
Y2P
CLK OUT M
CLK OUT P
Y3M
Y3P
D7
D14
D27
D6
27
57
48
47
46
45
42
41
40
39
38
37
28
30
31
3
2
52
50
56
54
4
8
6
12
14
10
15
18
16
22
24
20
D15
D22
D24
D25
D26
CLK IN
HSO
VSO
DEA/B
B-SS3495<J..>-BD4-24
Click on the first or last page to see other CPD-L181A service manuals if exist.