Hitachi 28ld5000ta Service Manual
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21
28LD5200E (PW1L)
No(low)
No red
green/orange
Yes(high) Ye s
No
Ye s
Is the LED red or
Is backlight lighting? green/orange?
Picture is not displayed (LED is lighting)
Is the voltage of
P802[5]pin on the Power supply unit high?
Is the voltage of
EFP2[1][2]pins on the Formatter PWB 12V?
Is the voltage of
P804[1][2][3][4]pin on the Power supply unit 16V?
Is it the power
saving mode?
Input signal Cable
or Formatter PWB
Ye s No
Inverter unit No
Ye s [1] +5V
[3] +5V
Is Voltage...](http://img.usermanuals.tech/thumb/33/53689/w300_hitachi_28ld5000ta-service-manual-20.png "Page 21
21
28LD5200E (PW1L)
No(low)
No red
green/orange
Yes(high) Ye s
No
Ye s
Is the LED red or
Is backlight lighting? green/orange?
Picture is not displayed (LED is lighting)
Is the voltage of
P802[5]pin on the Power supply unit high?
Is the voltage of
EFP2[1][2]pins on the Formatter PWB 12V?
Is the voltage of
P804[1][2][3][4]pin on the Power supply unit 16V?
Is it the power
saving mode?
Input signal Cable
or Formatter PWB
Ye s No
Inverter unit No
Ye s [1] +5V
[3] +5V
Is Voltage...")
21 28LD5200E (PW1L) No(low) No red green/orange Yes(high) Ye s No Ye s Is the LED red or Is backlight lighting? green/orange? Picture is not displayed (LED is lighting) Is the voltage of P802[5]pin on the Power supply unit high? Is the voltage of EFP2[1][2]pins on the Formatter PWB 12V? Is the voltage of P804[1][2][3][4]pin on the Power supply unit 16V? Is it the power saving mode? Input signal Cable or Formatter PWB Ye s No Inverter unit No Ye s [1] +5V [3] +5V Is Voltage...
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22
28LD5200E (PW1L)
6. Self-Diagnosis Function
Signal circuit check mode: It indicates the check result on some points \
of the signal circuit and the history of them with On -Screen Display (OSD).
Signal circuit self-diagnosis function
This function is for the failure of the signal circuit, for example the \
phenomenon as below:
"Sometimes power turns off abnormally." "Sometimes picture disappears abnormally."
To enter to this Self-Diagnosis mode, follow the next steps:...](http://img.usermanuals.tech/thumb/33/53689/w300_hitachi_28ld5000ta-service-manual-21.png "Page 22
22
28LD5200E (PW1L)
6. Self-Diagnosis Function
Signal circuit check mode: It indicates the check result on some points \
of the signal circuit and the history of them with On -Screen Display (OSD).
Signal circuit self-diagnosis function
This function is for the failure of the signal circuit, for example the \
phenomenon as below:
\"Sometimes power turns off abnormally.\" \"Sometimes picture disappears abnormally.\"
To enter to this Self-Diagnosis mode, follow the next steps:...")
22
28LD5200E (PW1L)
6. Self-Diagnosis Function
Signal circuit check mode: It indicates the check result on some points \
of the signal circuit and the history of them with On -Screen Display (OSD).
Signal circuit self-diagnosis function
This function is for the failure of the signal circuit, for example the \
phenomenon as below:
"Sometimes power turns off abnormally." "Sometimes picture disappears abnormally."
To enter to this Self-Diagnosis mode, follow the next steps:...
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THE UPDATED PARTS LIST FOR THIS MODEL IS AVAILABLE ON ESTA 23
Page 24
24 28LD5200E (PW1L) Speaker x2 Main Power SW Remote Control AC100V -240V CPU (Main)Formatter PWBOSC 16MHz AudioProcessing Audio Signal Processing Unit TMDS (RECEIVER) RGBHV (Digital) Audio Signal LED PWB Digital Audio Amp Noise Filter LV D S Transmitter Power Unit (Main Power Circuit) DVI Signal Power Audio Power Supply FC4 CPU (Sub) D-SUB15P VIDEO PWB TACT SW PWB AUDIO SELECTAUDIO AV 1 AV 1 AV 2 AV 3 AV 4 AV 2 AV 3 AV 4 VIDEO VIDEO CROMA 3D/3L COMB VIDEO SELECT Tuner PWB Tuner...
Page 25
25 28LD5200E (PW1L) Block diagram 2/2
Page 26
26 28LD5200E (PW1L) EU Tuner Transfer BoardEU-ENG295244G 11 12 FE.MODE FE.SAP 13 14 FE.ST MSP.STATUSMSP.RESET15 GND GND GND GND SDA0 VIDEO.DET1 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 41 42 43TX.RESET A+6V STB+5V A+10V SCL0 DIP.DET TUNER.DET1 TUNER.DET2 VIDEO.DET2 WSS 44 45 46 47 48 49 50 51 52 53 54 55 GND AV.LINK V. F R E Q H.FREQ GND MCV.SYNCGND SCV.SYNC GND MY MPB MPR 56 57 58 59 60 61 62 63 64 65 L R 66 67 68 69 70 GND GND GND GND MH MV GND SY SPR SH SPB GND SV GND TV.POWER 11 12 FE.MODE...
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27 28LD5200E (PW1L) EAS1 TO SP (Right) EAS2 EJF1 P901 P903 CN1 INVERTER UNIT AUDIO board FORMATTER board JOINT board POWER board LED board POWER SW INLET board SUB POWER boardECONT EJA1EJF2 CN4 CN5 SW902 CN5-1 CN6-1 CN1 EAF1EJP1 EJF4 EJF6 EJF5 EJF3A EFJ3 EFJ2 EFJ1 EFP1 EFP2 EFJ4 EFA1 EFL1 EFK1 EFG1 EFG2 EPM1 EJP2 P802 P803 P804 P806 P808 P804CN6 EAJ1 To Panel CN2 CN4-1 SW901 86 86 34 31 33 86 21 22 25 37 86 3830 24 23 27 26 29 32 10. Wiring diagram
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28
28LD5200E (PW1L)
The codes in brackets shown in the wiring diagram express the name of ma\
terials.
The key to the codes and materials is shown on the table below.CodeABS
PC
Material
ACRYLONITRILE BUTADIENE STYRENE POLYCARBONATE
#$5
2%
#$5
11. Disassembly diagram](http://img.usermanuals.tech/thumb/33/53689/w300_hitachi_28ld5000ta-service-manual-27.png "Page 28
28
28LD5200E (PW1L)
The codes in brackets shown in the wiring diagram express the name of ma\
terials.
The key to the codes and materials is shown on the table below.CodeABS
PC
Material
ACRYLONITRILE BUTADIENE STYRENE POLYCARBONATE
#$5
2%
#$5
11. Disassembly diagram")
28 28LD5200E (PW1L) The codes in brackets shown in the wiring diagram express the name of ma\ terials. The key to the codes and materials is shown on the table below.CodeABS PC Material ACRYLONITRILE BUTADIENE STYRENE POLYCARBONATE #$5 2% #$5 11. Disassembly diagram
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Hitachi, Ltd. Tokyo, Japan International Sales Division THE HITACHI ATAGO BUILDING, No. 15 –12 Nishi Shinbashi, 2 – Chome, Minato – Ku, Tokyo 105-8430, Japan. Tel: 03 35022111 HITACHI EUROPE LTD, Whitebrook Park Lower Cookham Road Maidenhead Berkshire SL6 8YA UNITED KINGDOM Tel: 01628 643000 Fax: 01628 643400 Email: [email protected] HITACHI EUROPE S.A. 364 Kifissias Ave. & 1, Delfon Str. 152 33 Chalandri Athens GREECE Tel: 1-6837200 Fax: 1-6835964 Email:...