Hitachi 28ld5000ta Service Manual
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Page 11
11 28LD5200E (PW1L) O : Should be adjusted : Should be followed previous data Function ADJ. No. Adjustment Items Mode Maximum Value DefaultFormatter PWB VIDEO PWB TUNER PWB LCD PANEL Changed Component 376 CM_THRESHOLD (D15-D8) - 254 0 377 CM_THRESHOLD (D7 -D0) - 254 36 378 Sharpness Gain(RF M) MAIN 15 11 379 Sharpness Gain(RF M) Sub 15 11 380 Sharpness f0 (RF M) Main 3 2 381 Sharpness f0 (RF M) SUB 3 2 382 Counting value of 2ms Sync.Detect MAIN - - 383 Counting value of 2ms Sync.Detect SUB - - 384...
Page 12
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12
28LD5200E (PW1L)
O : Should be adjusted
: Should be followed previous data
Function
ADJ. No. Adjustment Items Mode Maximum
Value DefaultFormatter
PWB VIDEO
PWB TUNER
PWB LCD
PANEL
Changed Component
470 [MYNRP8]
HD1/HD4/HD5/HD6/HD7/HD8 7 0
471 YFRNR Transition Level (Main/Sub) [MCNRP0] NT1/PAL1/multi 7 2
472 [MCNRP5] NT1/PAL1-video 7 2
473 [MCNRP6] NT2/NT3/NT4/PAL2/PAL3/PAL4 7 2
474 [MCNRP7] HD2/HD3/HD9/HD10 7 2
475 [MCNRP8] HD1/HD4/HD5/HD6/HD7/HD8 7 0
476 Vertical Enhancer [YVEG0_P0]...](http://img.usermanuals.tech/thumb/33/53689/w300_hitachi_28ld5000ta-service-manual-11.png "Page 12
12
28LD5200E (PW1L)
O : Should be adjusted
: Should be followed previous data
Function
ADJ. No. Adjustment Items Mode Maximum
Value DefaultFormatter
PWB VIDEO
PWB TUNER
PWB LCD
PANEL
Changed Component
470 [MYNRP8]
HD1/HD4/HD5/HD6/HD7/HD8 7 0
471 YFRNR Transition Level (Main/Sub) [MCNRP0] NT1/PAL1/multi 7 2
472 [MCNRP5] NT1/PAL1-video 7 2
473 [MCNRP6] NT2/NT3/NT4/PAL2/PAL3/PAL4 7 2
474 [MCNRP7] HD2/HD3/HD9/HD10 7 2
475 [MCNRP8] HD1/HD4/HD5/HD6/HD7/HD8 7 0
476 Vertical Enhancer [YVEG0_P0]...")
12 28LD5200E (PW1L) O : Should be adjusted : Should be followed previous data Function ADJ. No. Adjustment Items Mode Maximum Value DefaultFormatter PWB VIDEO PWB TUNER PWB LCD PANEL Changed Component 470 [MYNRP8] HD1/HD4/HD5/HD6/HD7/HD8 7 0 471 YFRNR Transition Level (Main/Sub) [MCNRP0] NT1/PAL1/multi 7 2 472 [MCNRP5] NT1/PAL1-video 7 2 473 [MCNRP6] NT2/NT3/NT4/PAL2/PAL3/PAL4 7 2 474 [MCNRP7] HD2/HD3/HD9/HD10 7 2 475 [MCNRP8] HD1/HD4/HD5/HD6/HD7/HD8 7 0 476 Vertical Enhancer [YVEG0_P0]...
Page 13
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13
28LD5200E (PW1L)
O : Should be adjusted
: Should be followed previous data
Function
ADJ. No. Adjustment Items Mode Maximum
Value DefaultFormatter
PWB VIDEO
PWB TUNER
PWB LCD
PANEL
Changed Component
564 DSB Gain of Vertical for B-Y/B,R-Y/R [CVDSBG0] NTSC/PAL/multi 3 0
565 [CVDSBG1]
HD 3 0
566 DSB coring of Vertical for B-Y/B,R-Y/R [CVDSBC0] NTSC/PAL/multi 7 0
567 [CVDSBC1] HD 7 0
568 Vertical enhancer Clip for B-Y/B, R-Y/R [CVECLP0] NTSC/PAL/multi 1 0
569 [CVECLP1] HD 1 0
570 Horizontal HPF Peak...](http://img.usermanuals.tech/thumb/33/53689/w300_hitachi_28ld5000ta-service-manual-12.png "Page 13
13
28LD5200E (PW1L)
O : Should be adjusted
: Should be followed previous data
Function
ADJ. No. Adjustment Items Mode Maximum
Value DefaultFormatter
PWB VIDEO
PWB TUNER
PWB LCD
PANEL
Changed Component
564 DSB Gain of Vertical for B-Y/B,R-Y/R [CVDSBG0] NTSC/PAL/multi 3 0
565 [CVDSBG1]
HD 3 0
566 DSB coring of Vertical for B-Y/B,R-Y/R [CVDSBC0] NTSC/PAL/multi 7 0
567 [CVDSBC1] HD 7 0
568 Vertical enhancer Clip for B-Y/B, R-Y/R [CVECLP0] NTSC/PAL/multi 1 0
569 [CVECLP1] HD 1 0
570 Horizontal HPF Peak...")
13 28LD5200E (PW1L) O : Should be adjusted : Should be followed previous data Function ADJ. No. Adjustment Items Mode Maximum Value DefaultFormatter PWB VIDEO PWB TUNER PWB LCD PANEL Changed Component 564 DSB Gain of Vertical for B-Y/B,R-Y/R [CVDSBG0] NTSC/PAL/multi 3 0 565 [CVDSBG1] HD 3 0 566 DSB coring of Vertical for B-Y/B,R-Y/R [CVDSBC0] NTSC/PAL/multi 7 0 567 [CVDSBC1] HD 7 0 568 Vertical enhancer Clip for B-Y/B, R-Y/R [CVECLP0] NTSC/PAL/multi 1 0 569 [CVECLP1] HD 1 0 570 Horizontal HPF Peak...
Page 14
14 28LD5200E (PW1L) O : Should be adjusted : Should be followed previous data Function ADJ. No. Adjustment Items Mode Maximum Value DefaultFormatter PWB VIDEO PWB TUNER PWB LCD PANEL Changed Component 658 Tint Center (CM) DVI-STB (720p-60/1080i-60/1080i-50 254 128 659 Tint Center (CM) DVI-STB (VGA) 254 128 660 Tint Center (CM) DSUB-RGB 254 128 661 Center of Sharpness (HV Enhance Gain for Y) DVI-STB (480i/576i) 31 14 662 Center of Sharpness (HV Enhance Gain for Y) DVI-STB (480p/576p) 31 10 663 Center...
Page 15
15 28LD5200E (PW1L) The Expression of input signal mode (format) PAL1: RF, S and Composite of PAL/SECAM PAL2: Component of PAL (YCBCR) PAL3: Component of PAL (YPBPR) PAL4: Component of PAL (YCBCR-SCART) PAL: PAL1-4 NT1: S and Composite of NTSC NT2: Component of NTSC (YCBCR) NT3: Component of NTSC (YPBPR) NT4: Component of NTSC (YCBCR-SCART) NTSC: NTSC1-4 HD1-6: Component (shown in the table ) HD7: Component of 1080i/50 (YPBPR) HD8: Component of 1080i/50 (YCBCR) HD9: Component of 576p (YPBPR) HD10:...
Page 16
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16
28LD5200E (PW1L)
Item AUTOMATIC SIGNAL LEVEL ADJ USTMENT –RGB (1)
Preparation Procedure
(1) Input the adjustment signal of VGA (60Hz) format into RGB2 [D-sub] input terminal.
(1) Select RGB2 and enter the service adjustment
mode.
the adjustment signal
(2) Select No.740 “RGB Amp. Gain ADJ.” and press
OK button for more than 2 seconds to start the
adjustment.
It will complete the adjustment after the OSD of
“AUTO MODE” disappeared.
[Note] Never adjust...](http://img.usermanuals.tech/thumb/33/53689/w300_hitachi_28ld5000ta-service-manual-15.png "Page 16
16
28LD5200E (PW1L)
Item AUTOMATIC SIGNAL LEVEL ADJ USTMENT –RGB (1)
Preparation Procedure
(1) Input the adjustment signal of VGA (60Hz) format into RGB2 [D-sub] input terminal.
(1) Select RGB2 and enter the service adjustment
mode.
the adjustment signal
(2) Select No.740 “RGB Amp. Gain ADJ.” and press
OK button for more than 2 seconds to start the
adjustment.
It will complete the adjustment after the OSD of
“AUTO MODE” disappeared.
[Note] Never adjust...")
16 28LD5200E (PW1L) Item AUTOMATIC SIGNAL LEVEL ADJ USTMENT –RGB (1) Preparation Procedure (1) Input the adjustment signal of VGA (60Hz) format into RGB2 [D-sub] input terminal. (1) Select RGB2 and enter the service adjustment mode. the adjustment signal (2) Select No.740 “RGB Amp. Gain ADJ.” and press OK button for more than 2 seconds to start the adjustment. It will complete the adjustment after the OSD of “AUTO MODE” disappeared. [Note] Never adjust...
Page 17
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17
28LD5200E (PW1L)
Item COLOR TEMPERATURE ADJ USTMENT -VIDEO
Preparation Procedure
[Adjustment of Cool mode]
Enter the service adjustment mode, and confirm that
Adjustment NO 0,1 are set as 230. NO2 is set as 255.
If initial x and y value are larger than specification, No.0:R drive(cool) will be adjusted(decrease from 230)
No.1:G drive(cool) will be adjusted(decrease from 230)
No.2:B drive(cool) is set as 255
If initial x or y value is smaller than specification. No2:B drive(cool) will...](http://img.usermanuals.tech/thumb/33/53689/w300_hitachi_28ld5000ta-service-manual-16.png "Page 17
17
28LD5200E (PW1L)
Item COLOR TEMPERATURE ADJ USTMENT -VIDEO
Preparation Procedure
[Adjustment of Cool mode]
Enter the service adjustment mode, and confirm that
Adjustment NO 0,1 are set as 230. NO2 is set as 255.
If initial x and y value are larger than specification, No.0:R drive(cool) will be adjusted(decrease from 230)
No.1:G drive(cool) will be adjusted(decrease from 230)
No.2:B drive(cool) is set as 255
If initial x or y value is smaller than specification. No2:B drive(cool) will...")
17
28LD5200E (PW1L)
Item COLOR TEMPERATURE ADJ USTMENT -VIDEO
Preparation Procedure
[Adjustment of Cool mode]
Enter the service adjustment mode, and confirm that
Adjustment NO 0,1 are set as 230. NO2 is set as 255.
If initial x and y value are larger than specification, No.0:R drive(cool) will be adjusted(decrease from 230)
No.1:G drive(cool) will be adjusted(decrease from 230)
No.2:B drive(cool) is set as 255
If initial x or y value is smaller than specification. No2:B drive(cool) will...
Page 18
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18
28LD5200E (PW1L)
Item COLOR TEMPERATURE ADJUSTMENT -PC
Preparation Procedure
It is same as color temperature adjustment
data of video.
Write the data which are inside drive No0
to No11 into drive N0.12 to No.23 respectively.
Example. [at VIDEO] [at PC]
No.0 'data' No.12 'data'
No.1 'data' No.13 'data'
No.2 'data' No.14 'data'...](http://img.usermanuals.tech/thumb/33/53689/w300_hitachi_28ld5000ta-service-manual-17.png "Page 18
18
28LD5200E (PW1L)
Item COLOR TEMPERATURE ADJUSTMENT -PC
Preparation Procedure
It is same as color temperature adjustment
data of video.
Write the data which are inside drive No0
to No11 into drive N0.12 to No.23 respectively.
Example. [at VIDEO] [at PC]
No.0 'data' No.12 'data'
No.1 'data' No.13 'data'
No.2 'data' No.14 'data'...")
18
28LD5200E (PW1L)
Item COLOR TEMPERATURE ADJUSTMENT -PC
Preparation Procedure
It is same as color temperature adjustment
data of video.
Write the data which are inside drive No0
to No11 into drive N0.12 to No.23 respectively.
Example. [at VIDEO] [at PC]
No.0 'data' No.12 'data'
No.1 'data' No.13 'data'
No.2 'data' No.14 'data'...
Page 19
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19
28LD5200E (PW1L)
5. Troubleshooting
How to get to Burn-in mode
This mode displays the test patterns of some single color raster in turn\
. These signals are from built-in generator
of LCD monitor.
Using the front control buttons with the set turned off (standby) can activate this mode.
Press the SUB-POWER(
) button, INPUT SELECT() button and VOLUME DOWN() button at the same
time, and hold for more than 5 seconds.
The set turns on with single color raster and the OSD of [BURN IN: ON].
To escape...](http://img.usermanuals.tech/thumb/33/53689/w300_hitachi_28ld5000ta-service-manual-18.png "Page 19
19
28LD5200E (PW1L)
5. Troubleshooting
How to get to Burn-in mode
This mode displays the test patterns of some single color raster in turn\
. These signals are from built-in generator
of LCD monitor.
Using the front control buttons with the set turned off (standby) can activate this mode.
Press the SUB-POWER(
) button, INPUT SELECT() button and VOLUME DOWN() button at the same
time, and hold for more than 5 seconds.
The set turns on with single color raster and the OSD of [BURN IN: ON].
To escape...")
19 28LD5200E (PW1L) 5. Troubleshooting How to get to Burn-in mode This mode displays the test patterns of some single color raster in turn\ . These signals are from built-in generator of LCD monitor. Using the front control buttons with the set turned off (standby) can activate this mode. Press the SUB-POWER( ) button, INPUT SELECT() button and VOLUME DOWN() button at the same time, and hold for more than 5 seconds. The set turns on with single color raster and the OSD of [BURN IN: ON]. To escape...
Page 20
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20
28LD5200E (PW1L)
Ye s[1] +5V
[5] +12V
[3] GND
Ye s
Ye s
Ye s
Speaker
Picture is displayed. But no sound
Are the voltages
applied to EAJ1[1][5]pins of the Audio PWB?
Are the signals
applied to EAF1[1][3]pins
of the Audio PWB? NoNo(low)
Audio PWB
[1] L ch
[3] R ch
[2] GND
No
Are there signals
on Speaker Terminals?
Audio PWB
No
Formatter PWB or Video PWB
No
Ye s
Power cannot be turned on (LED does not light)
Is the input voltage
applied to Power supply unit? (CN5 [1][3])
Is the...](http://img.usermanuals.tech/thumb/33/53689/w300_hitachi_28ld5000ta-service-manual-19.png "Page 20
20
28LD5200E (PW1L)
Ye s[1] +5V
[5] +12V
[3] GND
Ye s
Ye s
Ye s
Speaker
Picture is displayed. But no sound
Are the voltages
applied to EAJ1[1][5]pins of the Audio PWB?
Are the signals
applied to EAF1[1][3]pins
of the Audio PWB? NoNo(low)
Audio PWB
[1] L ch
[3] R ch
[2] GND
No
Are there signals
on Speaker Terminals?
Audio PWB
No
Formatter PWB or Video PWB
No
Ye s
Power cannot be turned on (LED does not light)
Is the input voltage
applied to Power supply unit? (CN5 [1][3])
Is the...")
20 28LD5200E (PW1L) Ye s[1] +5V [5] +12V [3] GND Ye s Ye s Ye s Speaker Picture is displayed. But no sound Are the voltages applied to EAJ1[1][5]pins of the Audio PWB? Are the signals applied to EAF1[1][3]pins of the Audio PWB? NoNo(low) Audio PWB [1] L ch [3] R ch [2] GND No Are there signals on Speaker Terminals? Audio PWB No Formatter PWB or Video PWB No Ye s Power cannot be turned on (LED does not light) Is the input voltage applied to Power supply unit? (CN5 [1][3]) Is the...