plasma tv service manual

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14. No Sound (1) Symptom 1) LED is green. 2) There is a picture but no sound. (2) Follow check Is there sound in any mode? Is there no sound only for HDMI? - 22 - Is the speaker on? Yes Yes Yes Is there no sound only AV /COM2/PC? Yes Is there no sound only for RF? No No No No Download the EDID data. Is the output of IC600(R607, R608) normal? Yes Check the signal after IC600. refer to circuit diagram. Check the Tuner In/Out. No Replace the IC600 Is the speaker cable normal? Yes Is the IC500 operating normal? Yes Is the IC601 operating normal? Yes Replace the VSC BD No No No No Set speaker on in the menu. Check the Speaker cable Replace the IC500 Replace the IC601
15. HDMI mode Is only video normal? No Is only audio normal? Check the TMDS line wave. (R312~E3273) Is the wave continuous? Yes Yes Yes No Download EDID data each port. 1. Check the HDMI receiver’s status register. (0x60, offset 0x66) - If the value is 0xf or 0x8, it is normal. 2. Check the HDCP register. (0x6, offset 0x32) - Enable bit 6 : HDCP key loaded - Enable bit 5 : HDCP decryption active - Enable bit 4 : HDCP authentication attempted Reset TMDS power down/ on register. - 0x60, offset 0x3f => 0xff 1. Check TV input mode. (HDMI 1 port support HDMI and DVI. So if you input DVI signal and PC audio from phone jack, You can hear PC audio.) 2. Unplug and plug in the HDMI cable. (sometimes ESD surge occurred at HDMI port.) 3. Check the HDMI Mute register. (0x68, offset 0x37) 4. Check the Audio-out channel mute register (0x68, offset 0x32) is appropriately enabled. Check HDMI source. Change to another source or cable. Yes Normal video, Normal audio? - 23 - No Replace the IC303.
Page 1 and 2: PLASMA TV SERVICE MANUAL CHASSIS :
Page 3 and 4: SAFETY PRECAUTIONS Many electrical
Page 5 and 6: V Module Specification1 (PDP42X4) N
Page 7: => Select the "Bootloader.bat" file
Page 11 and 12: 8. Tool Option Area Option Change 8
Page 14 and 15: 12. Adjustment of White Balance 12-
Page 16 and 17: 1. No power (1) Symptom 1) Minute d
Page 18 and 19: 3. No Raster (1) Symptom 1) No OSD
Page 20 and 21: 8. In the case of an unusual displa
Page 24 and 25: EEPROM PC_SCL/SDA I2 C MC74HC4066 D
Page 26 and 27: 570 520 303 501 560 306 502 EXPLODE
Page 28 and 29: REPLACEMENT PARTS LIST LOC. NO. PAR
Page 30 and 31: LOC. NO. PART NO. DESCRIPTION / SPE
Page 39 and 40: MAIN(TOP) MAIN(BOTTOM) PRINTED CIRC

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