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NWZ-A826/A826K/A828/A828K/A829
US Model
SERVICE MANUAL
NWZ-A828K/A829
Ver. 1.0 2008.03
Canadian Model
NWZ-A826K/A829
AEP Model
UK Model
NWZ-A826/A826K/A828/A828K/A829
E Model
NWZ-A826/A826K/A828/A829
Australian Model
NWZ-A826K
Chinese Model
NWZ-A826/A828
Tourist Model
NWZ-A829
Photo : NWZ-A828
• NWZ-A826K/A828K, Wirless stereo headset (DR-BT21G), it attaches.
About DR-BT21G, refer to the following service manual.
US, Canadian, E, Australian models: 9-887-599-[][]
AEP, UK models: 9-887-601-[]
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NWZ-A826/A826K/A828/A828K/A829 SPECIFICATIONS Supported file format Interface Music Headphone: Stereo mini-jack File format MP3(MPEG-1 Layer3) file format, ASF file format, MP4 file format, Wave-Riff file WM-PORT (multiple connecting terminal): 22 pins format Hi-Speed USB (USB 2.0 compliant) 1 2 File extension MP3 (.mp3), WMA* (.wma), AAC-LC* (.mp4, .m4a, .3gp), Linear PCM (.wav) Codec MP3 Bit rate: 32 to 320 kbps (Supports variable bit rate (VBR)) Operating temperature 3 Sampling frequency* : 32
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NWZ-A826/A826K/A828/A828K/A829 SECTION 1 SERVICING NOTES TABLE OF CONTENTS UNLEADED SOLDER Boards requiring use of unleaded solder are printed with the lead- free mark (LF) indicating the solder contains no lead. 1. SERVICING NOTES ............................................. 3 (Caution: Some printed circuit boards may not come printed with the lead free mark due to their particular size) 2. GENERAL .................................................................. 5 : LEAD FREE MAR
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NWZ-A826/A826K/A828/A828K/A829 NOTE THE MAIN BOARD REPLACING Press the /// button to select “Common Settings,” and then press the button to confirm. When the MAIN board is replaced, format it according to the fol- The list of “Common Settings” options appears. lowing. Press the /// button to select “Format,” and then press the Formatting Memory (Format) button to confirm. “All data including songs will be deleted. Proceed?” appears. You can format the built-in flash memory
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NWZ-A826/A826K/A828/A828K/A829 SECTION 2 This section is extracted from instruction manual. GENERAL PartsandControls Front 1 OPTION/PWROFFbutton* Displays the option menu. IfyoupressandholdtheOPTION/ PWR OFF button, screen turns off and the player enters standby mode. If you press any button while the player is in standby mode, the “Now Playing” screen, etc., appears and the player is ready for operation. Furthermore, if you leave the player in standby mode for about a day, the player turns
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NWZ-A826/A826K/A828/A828K/A829 SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW SET 3-2. COVER (REAR), REAR ASSY (Page 6) 3-4. MAIN BOARD 3-3. BATTERY (Page 7) (Page 7) 3-5. LCD ASSY (Page 8) Note: Follow the disassembly procedure in the numerical order given. 3-2. COVER (REAR), REAR ASSY two screws (M1.4) two screw claws claw (M1.4) cover (rear) lid (ACC) two ornamental screws claw claw window (LED) two claws re
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NWZ-A826/A826K/A828/A828K/A829 3-3. BATTERY Note 1: This illustlation sees the battery assy from back. Note 2: When removing battery, BATT wire sheet don't remove by the impossible power. spacer (line in) battery lead wire connector (black) (CN901) adhesive sheet (BATT) lead wire (red) Note 3: Adhesive sheet (BATT) cannot re-used. Please replace to brand-new part ones adhesive sheet (BATT) is removed. battery connector Note 4: When installing battery connector, please be c
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NWZ-A826/A826K/A828/A828K/A829 3-5. LCD ASSY two claws Open the LCD assy in the direction of the arrow. two claws LCD flexible board boss LCD assy Pull out the LCD flexible board. two screws (B1.4) sheet (LCD-B) LCD assy LCD flexible board (CN801) screw SW board (B1.4) two screws (M1.4) two spacers (WM-P) waterproof jack (J301) Front block Remove the waterproof jack (J301) Front block in the direction of the arrow. 8
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NWZ-A826/A826K/A828/A828K/A829 SECTION 4 TEST MODE 4-1-1. Power supply voltage check Note: Information on the test mode must correspond in enough This mode is used in case power supply voltage in the state where security. When the leakage has been revealed by any chance, the source of information is specifi ed. all power supply lines are starting is checked. 1. SETTING THE TEST MODE Checking method: Note: Perform the test mode in the state of 3.6 V or more in the battery 1. Enter the tes
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NWZ-A826/A826K/A828/A828K/A829 4-1-3. Standby current check 4-1-5. Battery voltage detection check This mode is used in case standby current is checked. This mode is used in case battery voltage is checked. Checking method: Checking method: 1. Enter the test mode. 1. Enter the test mode. 2. Press the [ ]/[ ] key to select the “POWER”, and press the 2. Press the [ ]/[ ] key to select the “POWER”, and press the v V v V [B] key to enter the minor item. [B] key to enter the minor item. 3. Press the
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NWZ-A826/A826K/A828/A828K/A829 4-2-1. Output check 4-2-3. Frequency characteristic 1 check “1 kHz 0 dBs L-ch/R-ch VOLUME: 25” audio signal is output- “20 Hz 0 dBs L-ch/R-ch VOLUME: 25” audio signal is output- ted. ted. Checking method: Checking method: 1. Enter the test mode. 1. Enter the test mode. 2. Press the [v]/[V] key to select the “AUDIO”, and press the [B] 2. Press the [v]/[V] key to select the “AUDIO”, and press the [B] key to enter the minor item. key to enter the minor item. 3. Press
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NWZ-A826/A826K/A828/A828K/A829 4-2-5. CH separation (L-ch) check 4-2-7. Maximum output check “1 kHz 0 dBs L-ch VOLUME: 25” audio signal is outputted. “1 kHz 0 dBs L-ch/R-ch VOLUME: 30” (Headphone output when AVLS operates: “1 kHz 0 dBs L-ch/R-ch VOLUME: 13”) audio Checking method: signal is outputted. 1. Enter the test mode. 2. Press the [ ]/[ ] key to select the “AUDIO”, and press the [ ] Checking method: v V B key to enter the minor item. 1. Enter the test mode. 3. Press the [v]/[V] key to s
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NWZ-A826/A826K/A828/A828K/A829 4-2-9. Sound pressure regulation level check 5. In this state, each time the [VOL –] key is pressed, LCD back “1 kHz 0 dBs L-ch/R-ch VOLUME: 30” audio signal is output- light brightness min/max/middle switch is performed. ted. 6. Press the [BACK] key, return to minor item selection screen. Checking method: 4-4. Other 1. Enter the test mode. 2. Press the [v]/[V] key to select the “AUDIO”, and press the [B] liquid crystal display key to enter the minor item. MPTAPP
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NWZ-A826/A826K/A828/A828K/A829 4-4-2. Key check 4-4-7. Firmware version check The operation of the key is confi rmed. The fi rmware version is displayed. Checking method: Checking method: 1. Enter the test mode. 1. Enter the test mode. 2. Press the [ ]/[ ] key to select the “OTHER”, and press the [ ] 2. Press the [ ]/[ ] key to select the “OTHER” and press the [ ] v V B v V B key to enter the minor item. key to enter the minor item. 3. Press the [v]/[V] key to select the “KEY”. 3. Press the [v]/[
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NWZ-A826/A826K/A828/A828K/A829 4-4-8. NAND capacity check 4-5-2. Clear stereo setting (No cable) Capacity of NAND fl ash memory, present bud block, maximum This mode is according to an original sound playback, for adjust- bud block, and vender ID are displayed. ment to right and left sound. Note: Not used for the servicing. Checking method: 1. Enter the test mode. 4-6. DAC 2. Press the [v]/[V] key to select the “OTHER”, and press the [B] key to enter the minor item. liquid crystal display 3. Pre
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NWZ-A826/A826K/A828/A828K/A829 4-7-1. Bluetooth address setting Bluetooth address is set. If the test mode is released, the address set in this mode becomes invalid. Note: Not used for the servicing. 4-7-2. Bluetooth transmitting power setting Bluetooth transmitting power is set. If the test mode is released, the transmitting power set in this mode becomes invalid. Note: Not used for the servicing. 4-7-3. Bluetooth transmitting power setting Bluetooth transmitting power is set. If the test mod
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NWZ-A826/A826K/A828/A828K/A829 SECTION 5 DIAGRAMS 5-1. BLOCK DIAGRAM - MAIN Section - CN851 (1/3) SYSTEM CONTROLLER USB CONTROLLER (WM-PORT) IC601 (1/2) IC501 USB DATA0 – USB DATA15 3 D+ A3 DP CD0 – CD15 AB0_D0 – AB0_D15 4 USB ADDRESS1 – USB ADDRESS8 D– A4 DM CA1 – CA8 AB0_A1 – AB0_A8 IC508 LEVEL SHIFT XINT E3 AC5 USB_INT1 IC509 AB14 USB_INT2 XCS H2 F22 AB0_CSZ2 XRD G3 J19 AB0_RDZ A/D CONVERTER, D/A CONVERTER, HEADPHONE/WM-PORT XWRH F3 H16 AB0_WRZ HEADPHONE AMP SELECTOR XWRL H3 IC302 IC305 X
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NWZ-A826/A826K/A828/A828K/A829 5-2. BLOCK DIAGRAM - PANEL, POWER SUPPLY Section - SPIO_SO, SPIO_SK, SPIO_LCD_XCS SDI SPIO_SO SPIO_SO A SCL SPIO_SK SIGNAL PATH SPIO_LCD_XCS CS RESET : VIDEO LCD_PON W3 6 R0 – R5 LCD_R0 – LCD_R5 6 G0 – G5 LCD_G0 – LCD_G5 6 LCD B0 – B5 LCD_B0 – LCD_B5 ASSY DOTCLK LCD_PXCLK P23 HSYNC LCD_HSYNC K22 VSYNC LCD_VSYNC K24 DEN LCD_ENABLE K23 SHEET KEY ANODE C6 KEY_AD0 LCD_BLTCTL V17 & CATHODE (1) LED B6 KEY_AD1 S890 - 896 CONTROL CATHODE (2) Q801 IC801 CATHODE (3) WAKE U
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NWZ-A826/A826K/A828/A828K/A829 THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) For Printed Wiring Boards. For Schematic Diagrams. Note: Note: • X : Parts extracted from the component side. • All capacitors are in μF unless otherwise noted. (p: pF) • : Pattern from the side which enables seeing. 50 WV or less are not indicated except for electrolytics (The other layers' patterns are not indica
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NWZ-A826/A826K/A828/A828K/A829 5-3. PRINTED WIRING BOARD - MAIN Board (Side A) - • : Uses unleaded solder. 123456789 10 11 12 13 14 15 16 A ANT451 K A K R256 FB301 R106 R206 B R123 R223 FB201 R210 R110 FB101 MAIN BOARD (SIDE A) D101 C307 R209 C R208 FB854 C321 C216 R220 2E 2C 1C 2B 2E 2B 1B Q302 1C 1E 1 10 Q303 C116 3 1E 1B 2C IC305 2 1 FL701 C701 4 5 6 C455 X501 C457 R1 P1 N1 M1 L1 K1 J1 H1 G1 F1 E1 D1 C1 B1 A1 R506 D R2 P2 N2 M2 L2 K2 J2 H2 G2 F2 E2 D2 C2 B2 A2 1 R3 P3 N3 M3 L3 K3 J3 H3 G
