Sony NW-A808 Sound pressure regulation level check, Video, LCD display check, Other, Clock check

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NW-A805/A806/A808/NWZ-A815/A816/A818

4-2-9. Sound pressure regulation level check

“1 kHz 0 dBs L-ch/R-ch VOLUME: 30” audio signal is outputted.

Checking method:

1.Enter the test mode.

2.Press the v / V key to select the “AUDIO”, and press the B key to enter the minor item.

3.Press the v / V key to select the “SPCHK”.

4.Press the u key, “1 kHz 0 dBs L-ch/R-ch VOLUME: 30” audio signal is outputted.

liquid crystal display

AUDIO SPCHK

1kHz 0dBs L/Rch HPOUT [ VOL: 30 ]

START

5. Press the [BACK] key, return to minor item selection screen.

4-3. Video

liquid crystal display

MPTAPP MENU

POWER

AUDIO

VIDEO LCD

OTHER

SHUTDOWN

EXITTEST

4-3-1. LCD display check

Liquid crystal display is checked.

Checking method:

1.Enter the test mode.

2.Press the v / V key to select the “VIDEO”, and press the B key to select the “LCD”.

3.Press the u key, all black is displayed on the liquid crystal display.

4.In this state, each time the [OPTION] key is pressed, the screen display changes in the following order.

All black (default) All red All green All blue All white Color bar Maximum drawing size confirmation

Maximum drawing size confirmation:

All blue (All sides are red) is displayed. Whether red in all sides is seen is confirmed.

4.In this state, each time the [VOL ---]key is pressed, LCD back light brightness min/max/middle switch is performed.

5.Press the [BACK] key, return to minor item selection screen.

4-4. Other

liquid crystal display

MPTAPP MENU

POWER

AUDIO

VIDEO

OTHER CLOCK

SHUTDOWN KEY

EXITTEST FORMAT

DEST

SPSET

FWVER

NCAPCHK

4-4-1. Clock check

The movement of an internal clock is confirmed.

Checking method:

1.Enter the test mode.

2.Press the v / V key to select the “OTHER”, and press the B key to enter the minor item.

3.Press the v / V key to select the “CLOCK”.

4.Press the u key, date and time are displayed.

liquid crystal display

OTHER CLOCK XX, XX XX XXXX ##:##:##.######

START

XX, XX XX XXXX

: Date

##:##:##.######

: Time

“START” changes into “OK” if the movement of an internal clock is confirmed.

5. Press the [BACK] key, return to minor item selection screen.

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Contents Specifications NW-A805/A806/A808NW-A805/A806/A808/NWZ-A815/A816/A818 Table of Contents DisassemblyDiagrams Flexible Circuit Board RepairingFormatting Memory Format Color Variation Whenusing the headphone extension cord Parts and ControlsDisassembly Flow Rear Cabinet AssyHolder Connector Main BoardNand BOARD, SVX Switch Flexible PWB Assy About Holding the bent partSVX LCD Assy LCD801, Battery Assy Front ButtonFront Cabinet Assy Operation of the Test Mode 4-1. Power Power supply voltage checkConsumption current audio playback check Battery voltage check Standby current checkCharge current check AudioFrequency characteristic 1 check Frequency characteristic 2 checkOutput check 2. S/N checkCH separation L-ch check CH separation R-ch checkMaximum output check Normalizer checkSound pressure regulation level check VideoLCD display check OtherDestination setting Sound pressure regulation settingKey check FormatSection Diagrams Block DiagramAudio Video Uses unleaded solder SemiconductorLocation Main Board Side B Uses unleaded solder Semiconductor LocationMain Board 1/6 Schematic Diagram Main /6 See page 28 for IC Block Diagrams IIC IC701 IC803 Main Board 6/6 IC Block Diagrams Main Board IC301 XC6401FF58DR IC303 MAX4764ETB+TG069MAX8677AETG IC Pin Function Description Pin No Pin Name DescriptionIOB VccvbusVDDL0 NANDCEZ2Swadp CapvbdlVccvbat IdpullupFlashclk ChgvbusAB0CSZ2 AB0XACKResetz SDRDATA28SDRDATA26 LcdhsyncVlogin LcdpxclkSDRDQM1 SdrwezVpll CKIDspdet LcdbltctlVanain VanaAB1 VDDL0 AB2 XusbokOscout XholdkeyKeywake SPI0CSZ2VGP45IN DD2VFB2DD2LX3 DD2LX1 DD2LX2B5OUT VCCIO2Vaux B1OUTExploded Views Rear Cabinet Section NW-A805/A806/A808Rear Cabinet Section NWZ-A815/A816/A818 BLACK, SILVER, VIOLET, Blue models onlyMain BOARD, Nand Board Section NW-A805/A806/A808 109Main BOARD, Nand Board Section NWZ-A815/A816/A818 159Front Cabinet Section 208 207Electrical Parts List MainCeramic Chip 5PF CS42L51-CNZR Switch Nand NW-A805 E, MX, AUS, JECD-ROM Assy Russia Help Revision History