3-16
TRAINING MASTER FOR BLU-RAY (BD)
does the noise only
happen when a disc
is playing?
NO
YES
Bds make a slight hum when playing discs.
a clicking noise or a noise interfering with audio may indicate a problem.
try multiple discs. Multiple discs with the same issue means the
Bd may need service or be professionally cleaned.
check Bd service for service instructions.
does the noise happen
when the Bd is turned on?
NO
check to see if a disc is inserted into the Bd and eject the disc.
a humming or clicking noise when the disc is not inserted
may be a cooling fan. check oM to see if cooling fan is present.
if not, unit will need service. See Bd service for service instructions.
4-3. Humming/Clicking Noise
the unit is making a humming noise or a clicking noise.
has the customer tried
multiple tapes and discs?
NO
YES
YES
if the issue only shows up on one disc, then the problem is
with that disc. have the customer try multiple tapes or discs.
if the issue happens on multiple discs and tapes,
then ask the customer to try a lens or a head cleaner.
has the customer
connected to another tv?
NO
ask the customer to connect the product to another tv.
if the issue persists, try another set of cables. if the issue still persists,
then the issue is with the unit. the unit will need service.
arrange service following proper procedure.
how are the cables routed?
NO
Make sure cables are routed properly.
Make sure audio and video cables are routed to the same source
(if possible). routed audio and video to separate products
can cause a bit of a delay between the devices as not all devices
will process audio and video signals at the same speed.
4-4. Audio/Video Out of Synch
the audio and video do not match up. People look to be talking, but their voices are delayed by a few seconds.
Summary of Contents for XV-BP1B
Page 13: ...2 6 MEMO ...
Page 54: ...3 41 3 Video Part 1 100 Full Color bar 7 9 10 8 11 14 CVBS_I 7 Y 8 Pb 9 Pr 10 ...
Page 56: ...3 43 5 AUDIO PART S PDIF 15 17 16 18 19 21 ASPDIF 15 ...
Page 57: ...3 44 6 HDMI PART 17 16 18 19 21 20 HDMI_SDA 16 HDMI_SCL 17 HDMI_CLK 18 HDMI_DATA 19 ...
Page 58: ...3 45 7 FRONT I F PART 21 20 T_TX 20 R_RX 21 ...
Page 59: ...3 46 BLOCK DIAGRAMS 1 OVERALL BLOCK DIAGRAM ...
Page 60: ...3 47 2 SMPS BLOCK DIAGRAM ...
Page 61: ...3 48 3 SYSTEM BLOCK DIAGRAM ...
Page 62: ...3 49 4 MT8520 DDR2 SDRAM NAND FLASH EEPROM BLOCK DIAGRAM ...
Page 63: ...3 50 5 MT8520 HDMI ETHERNET USB AV BLOCK DIAGRAM ...
Page 65: ...3 52 7 SMPS POWER SIGNAL BLOCK DIAGRAM ...
Page 66: ...3 53 8 MAIN BOARD POWER SIGNAL BLOCK DIAGRAM ...
Page 68: ...3 55 10 LEVEL SHIFTER CEC EFUSE BLOCK DIAGRAM ...
Page 69: ...3 56 MEMO ...
Page 71: ...3 60 3 59 2 POWER TIMER USB CIRCUIT DIAGRAM ...
Page 72: ...3 61 3 62 3 MT8520 1 CIRCUIT DIAGRAM ...
Page 73: ...3 63 3 64 4 MT8520 2 CIRCUIT DIAGRAM ...
Page 74: ...3 65 3 66 5 KEY CIRCUIT DIAGRAM ...
Page 75: ...3 67 3 68 6 TIMER CIRCUIT DIAGRAM ...
Page 76: ...3 69 3 70 7 DDR2 SDRAM CIRCUIT DIAGRAM ...
Page 77: ...3 71 3 72 8 NAND FLASH ETHERNET CIRCUIT DIAGRAM ...
Page 78: ...3 73 3 74 9 AV HDMI CIRCUIT DIAGRAM ...
Page 79: ...3 75 3 76 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW BOTTOM VIEW ...
Page 80: ...3 77 3 78 2 SMPS P C BOARD TOP VIEW BOTTOM VIEW ...
Page 81: ...3 79 3 80 3 KEY P C BOARD TOP VIEW 4 TIMER P C BOARD TOP VIEW BOTTOM VIEW BOTTOM VIEW ...
Page 105: ...4 24 MEMO ...
Page 106: ...4 26 4 25 CIRCUIT DIAGRAM ...
Page 108: ...4 29 4 30 PRINTED CIRCUIT BOARD DIAGRAMS TOP VIEW ...
Page 109: ...4 31 4 32 BOTTOM VIEW ...