Service Manual
Page 18
...J301 (HEADPHONE) CN851 (2/2) (WM-PORT) 14 AU_L_OUT 17 AU_R_OUT 13 AU_L_IN 16 AU_R_IN • SIGNAL PATH : AUDIO NW-A805/A806/A808/NWZ-A815/A816/A818 256Mbit SD-RAM IC701 DQ0 - SDR_A12 BA0 J7 BA1 H8 CLK J1 CS J8 CKE J2 WE K8 CAS K7 RAS J9 DQM0 ... LCD_R0 - LCD_G5 LCD_B0 - USB ADDRESS8 IC508 LEVEL SHIFT IC509 D FLIP-FLOP IC505, 506 IC507 RESET SWITCH IC502 X603 11.2896MHz SYSTEM CONTROLLER, POWER CONTROL, LCD DRIVER, NAND FLASH INTERFACE, MS INTERFACE, SD-RAM INTERFACE IC601 AB0_D0 - LCD_B5 A0 - LCD_G5 LCD_B0 - BLOCK DIAGRAM CN851 (1/2) (WM-PORT) D+ 3 D- 4 USB ...
...J301 (HEADPHONE) CN851 (2/2) (WM-PORT) 14 AU_L_OUT 17 AU_R_OUT 13 AU_L_IN 16 AU_R_IN • SIGNAL PATH : AUDIO NW-A805/A806/A808/NWZ-A815/A816/A818 256Mbit SD-RAM IC701 DQ0 - SDR_A12 BA0 J7 BA1 H8 CLK J1 CS J8 CKE J2 WE K8 CAS K7 RAS J9 DQM0 ... LCD_R0 - LCD_G5 LCD_B0 - USB ADDRESS8 IC508 LEVEL SHIFT IC509 D FLIP-FLOP IC505, 506 IC507 RESET SWITCH IC502 X603 11.2896MHz SYSTEM CONTROLLER, POWER CONTROL, LCD DRIVER, NAND FLASH INTERFACE, MS INTERFACE, SD-RAM INTERFACE IC601 AB0_D0 - LCD_B5 A0 - LCD_G5 LCD_B0 - BLOCK DIAGRAM CN851 (1/2) (WM-PORT) D+ 3 D- 4 USB ...
Service Manual
Page 26
...LCD801 LIQUID CRYSTAL DISPLAY 10 VDD_UNREG I MAIN BOARD (6/6) DGND (Page 27) NW-A805/A806/A808/NWZ-A815/A816/A818 R802 0 C808 0.1 R809 22 C810 1 26 26 Note: When IC802 and IC803 cannot exchange with single. NW-A805/A806.../A808/NWZ-A815/A816/A818 5-8. When IC802 and IC803 are damaged, exchange the entire mounted board. MAIN Section (5/6) - ...22µH C3 C2 IC B/D GND SW A2 A1 GNDA EN IC802 LCD BACK LIGHT DRIVER IC802 BD6069GUT-E2 VOUT VFB TEST VIN A3 B1 B3 C1 B0 B1 B2 B3 B4...
...LCD801 LIQUID CRYSTAL DISPLAY 10 VDD_UNREG I MAIN BOARD (6/6) DGND (Page 27) NW-A805/A806/A808/NWZ-A815/A816/A818 R802 0 C808 0.1 R809 22 C810 1 26 26 Note: When IC802 and IC803 cannot exchange with single. NW-A805/A806.../A808/NWZ-A815/A816/A818 5-8. When IC802 and IC803 are damaged, exchange the entire mounted board. MAIN Section (5/6) - ...22µH C3 C2 IC B/D GND SW A2 A1 GNDA EN IC802 LCD BACK LIGHT DRIVER IC802 BD6069GUT-E2 VOUT VFB TEST VIN A3 B1 B3 C1 B0 B1 B2 B3 B4...
Service Manual
Page 28
... IC503, 602 TK63731AB1G0B VCONT A2 THERMAL & OVER CURRENT PROTECTION B2 VIN ON / OFF CONTROL VOLTAGE REFERENCE REGULATOR GND A1 B1 VOUT NW-A805/A806/A808/NWZ-A815/A816/A818 IC504 TK63718HCL-G VIN 1 THERMAL & OVER CURRENT PROTECTION GND 2 REGULATOR VOLTAGE REFERENCE ON / OFF CONTROL VOUT 3 6 VCONT 5 GND 4 NC IC505, 506 TC7WG74FC... GND B1 A C1 A2 VCCB B2 DIR C2 B 28 TEST GND VIN SW IC802 BD6069GUT-E2 C3 C2 GNDA A1 EN A2 DRIVER OVER VOLTAGE PROTECT C1 VOUT CONTROL SHORT PROTECT OSCILLATOR A3 B1 PWM COMPARATOR CURRENT SENSE + THERMAL SHUTDOWN ERROR AMP B3 VFB 28
... IC503, 602 TK63731AB1G0B VCONT A2 THERMAL & OVER CURRENT PROTECTION B2 VIN ON / OFF CONTROL VOLTAGE REFERENCE REGULATOR GND A1 B1 VOUT NW-A805/A806/A808/NWZ-A815/A816/A818 IC504 TK63718HCL-G VIN 1 THERMAL & OVER CURRENT PROTECTION GND 2 REGULATOR VOLTAGE REFERENCE ON / OFF CONTROL VOUT 3 6 VCONT 5 GND 4 NC IC505, 506 TC7WG74FC... GND B1 A C1 A2 VCCB B2 DIR C2 B 28 TEST GND VIN SW IC802 BD6069GUT-E2 C3 C2 GNDA A1 EN A2 DRIVER OVER VOLTAGE PROTECT C1 VOUT CONTROL SHORT PROTECT OSCILLATOR A3 B1 PWM COMPARATOR CURRENT SENSE + THERMAL SHUTDOWN ERROR AMP B3 VFB 28
Service Manual
Page 29
NW-A805/A806/A808/NWZ-A815/A816/A818 IC901 MAX8677AETG GND /FLT /UOK /DOK SYS SYS /CHG /DONE 1 DC 2 DC 3 25 24 23 22 CURRENT-LIMITED VOLTAGE REGULATOR 21 20 19 /CEN 4 ... SLOPE COMPARATOR ERROR AMPLIFIER PWM COMPARATOR CLOCK 1MHZ 11 PWM AUTO SKIP CONTROL SKIP-OVER ENTER SKIP/ SR OFF OUTPUT VOLTAGE SELECTOR SHORT-CIRCUIT PROTECTION DRIVER ZERO-CROSS DETECT 10 D1 9 INP 8 LX 7 PGND 6 D2 PGND 29
NW-A805/A806/A808/NWZ-A815/A816/A818 IC901 MAX8677AETG GND /FLT /UOK /DOK SYS SYS /CHG /DONE 1 DC 2 DC 3 25 24 23 22 CURRENT-LIMITED VOLTAGE REGULATOR 21 20 19 /CEN 4 ... SLOPE COMPARATOR ERROR AMPLIFIER PWM COMPARATOR CLOCK 1MHZ 11 PWM AUTO SKIP CONTROL SKIP-OVER ENTER SKIP/ SR OFF OUTPUT VOLTAGE SELECTOR SHORT-CIRCUIT PROTECTION DRIVER ZERO-CROSS DETECT 10 D1 9 INP 8 LX 7 PGND 6 D2 PGND 29
Service Manual
Page 31
... A20 A21 NC VCCVBUS NC IO_A VDD_L0 AB0_A8 - Not used B11, B12 GND - Not used - NW-A805/A806/A808/NWZ-A815/A816/A818 MAIN BOARD IC601 MC-10051F1-FAE-A (SYSTEM CONTROLLER, POWER CONTROL, LCD DRIVER, NAND FLASH INTERFACE, MS INTERFACE, SD-RAM INTERFACE) Pin No. Ground terminal A14 to NC B26, C1 - Not...
... A20 A21 NC VCCVBUS NC IO_A VDD_L0 AB0_A8 - Not used B11, B12 GND - Not used - NW-A805/A806/A808/NWZ-A815/A816/A818 MAIN BOARD IC601 MC-10051F1-FAE-A (SYSTEM CONTROLLER, POWER CONTROL, LCD DRIVER, NAND FLASH INTERFACE, MS INTERFACE, SD-RAM INTERFACE) Pin No. Ground terminal A14 to NC B26, C1 - Not...
Service Manual
Page 36
... signal output to V15 GND - Not used 36 Not used Y24, Y25 VDD_DSP - Ground terminal V16 DSP_DET - Not used V12 to the LCD back light driver V18, V19 NC - Power supply terminal Y2 CHG_ICTL O Charge on/off control signal output to the charge control Y3 HP_XMUTE O Analog muting on/off control... control V11 NC - Not used V24 VPLLIN I Power supply voltage input terminal V25 VDSPIN I Wake up signal input terminal AA3 GPIO9 - NW-A805/A806/A808/NWZ-A815/A816/A818 Pin No.
... signal output to V15 GND - Not used 36 Not used Y24, Y25 VDD_DSP - Ground terminal V16 DSP_DET - Not used V12 to the LCD back light driver V18, V19 NC - Power supply terminal Y2 CHG_ICTL O Charge on/off control signal output to the charge control Y3 HP_XMUTE O Analog muting on/off control... control V11 NC - Not used V24 VPLLIN I Power supply voltage input terminal V25 VDSPIN I Wake up signal input terminal AA3 GPIO9 - NW-A805/A806/A808/NWZ-A815/A816/A818 Pin No.
Service Manual
Page 38
... AE12 DD1INA I /O Description AC25 IO_C - Power supply terminal AE9 IO_C - Power supply terminal AE8 VDD_L1 - Power supply terminal AD15 AVDD_HPLL - NW-A805/A806/A808/NWZ-A815/A816/A818 Pin No. Pin Name I Power supply voltage input terminal AE13 IO_B - Not used AD7 SPI0_CSZ2 O I2C mode : Address signal output to the D/A converter SPI...
... AE12 DD1INA I /O Description AC25 IO_C - Power supply terminal AE9 IO_C - Power supply terminal AE8 VDD_L1 - Power supply terminal AD15 AVDD_HPLL - NW-A805/A806/A808/NWZ-A815/A816/A818 Pin No. Pin Name I Power supply voltage input terminal AE13 IO_B - Not used AD7 SPI0_CSZ2 O I2C mode : Address signal output to the D/A converter SPI...