Denon D-T1 Service Manual Download | Manualshive

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POWER DIAGRAM

20mA

25mA

5mA

140mA

330mA

1.9A

20mA

25mA

25mA

3mA

1mA

52mA

20mA

40mA

3mA

530mA

500mA

2mA

417mA

3mA

503mA

3mA

330mA

STB_5V

1000mA

DC-DC

TPS54335

LDO

SGM2202

12V

Internal

PSU

15V/2.3A

AP2305

VFD_14V

SYS_5V

DCDC

MP1605

STB_3V3

Moter Driver

AM5890S

MOS

AP2305

-24V

15mA

DCDC

MP1605

STB_MCU_3V3

Audio SW

74HC4052

MOS AP2305

SYS_3V3

SGM2036

VCC_1.2V for

SP8104

MOS AP2305

ADC + AMP

SDRAM

RTC

PCF8563

BT

CS8635

EEPROM

M24C16

VFD + Audio_SW

IR

BT_LED

R_G_O_LED

MOS

LT527SL AMP_15V

ADC

AK5358

OP_BT

12V

+5V

Optical

Flash for SP8104

MOS AP2305

FM3V3

MCU

STM32F0

BT

OP4558

AC 110-

230V

INPUT

U25

Q7

Q1

U3

LDO

SGM2202

SYS_EAR_5V

EAR

　

OP

SGM4917

U27

Q2

U26

Q3

U2

Q10

U1

LDO

SGM2202

STB_BT_3V3

U28

Q26

Before Servicing

This Unit

Electrical

Mechanical

Repair Information

Updating

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Summary of Contents for D-T1

Page 1: ...P ZH index php JP http manuals denon com DT1 JP JA index php Upload is planned for the time of a future press release BEFORE SERVICING THIS UNIT ELECTRICAL MECHANICAL REPAIR INFORMATION UPDATING Ver 1 Confidential For purposes of improvement specifications and design are subject to change without notice Please use this service manual when referring to the operating instructions without fail Some i...

Page 2: ...AND LASER SAFETY INSTRUCTIONS ONLINE PARTS LIST Accessing the Parts List Searching Part Numbers or Ref Numbers NOTE FOR PARTS LIST SERIAL NUMBER Serial Number Organization SKU Code of this Unit POST SERVICE PRECAUTIONS Initializing this Unit Before Servicing This Unit Electrical Mechanical Repair Information Updating 2 ...

Page 3: ...c diagrams and parts lists be sure to use the designated parts Be sure to mount parts and arrange the wires as they were originally placed For safety seasons some parts use tapes tubes or other insulating materials and some parts are mount ed away from the surface of printed circuit boards Care should also be taken with the positions of the wires by arranging them and using clamps to keep them awa...

Page 4: ...e gli utensili con quali si lavora siano anche a questo potenziale LASER SAFETY CAUTION VISIBLE AND INVISIBLE LASER RADIATION WHEN OPEN AVOID EXPOSURE TO BEAM ADVARSEL SYNLIG OG USYNLIG LASERSTRÅLING VED ÅBNING UNDGÅ UDSÆTTELSE FOR STRÅLING ADVARSEL SYNLIG OG USYNLIG LASERSTRÅLING NÅR DEKSEL Å PNES UNNGÅ EKSPONERING FOR STRÅLEN VARNING SYNLIG OCH OSYNLIG LASERSTRÅLNING NÄR DENNA DEL ÄR ÖPPNAD BETR...

Page 5: ...mbers or Ref numbers 1 Enter the part number or Ref number in the search window of the Parts List and press the search button 2 The search results are displayed The name of the sheet in which the search part is used and the part s line are displayed 3 Next click the Sheet section of the search results 1 Parts indicated by nsp on this table cannot be supplied 2 When ordering a part make a clear dis...

Page 6: ...The 14 digit serial number that contains the code of the manufacturing plant and the manufacturing date SKU code 14 digits Factory code Cumulative serial number Manufactured Year month The last 2digit of year Month 01 12 SKU Code of this Unit Before Servicing This Unit Electrical Mechanical Repair Information Updating 6 ...

Page 7: ...alization the Unit returns to normal mode NOTE If the unit fails to enter the service mode in step 2 repeat the procedure from step 1 Initializing the device restores the customized settings to the factory settings Write down your settings in advance and reconfigure the settings after initialization X 5 SOURCE Initializing this Unit POST SERVICE PRECAUTIONS Before Servicing This Unit Electrical Me...

Page 8: ...TUNER SCH05 MAIN5 MCU RTC Connector SCH06 MAIN6 BT ADC SCH07 MAIN7 AMP EAR SCH08 VFD SCH09 Power PRINTED CIRCUIT BOARDS DISPLAY MAIN POWER BLOCK DIAGRAM POWER DIAGRAM WIRING DIAGRAM SEMICONDUCTORS 1 IC s 2 FL DISPLAY 3 Remote Code Table Before Servicing This Unit Electrical Mechanical Repair Information Updating 8 ...

Page 9: ...W 4 ZD3 MM3Z5V1 5 1V R330 2 2 R294 75K 1 U25 TPS54335 BOOT 1 VIN 2 PH 3 GND 4 VSENSE 5 COMP 6 EN 7 RT 8 GND 9 CE269 1uF 35V X5R C16 0 01uF 50V X7R R323 47K R3 43 2K 1 C267 100nF 25V X5R U28 SGM2202 ADJ VIN 1 GND 2 EN 3 ADJ 4 BP 5 VOUT 6 C257 120pF 50V NP0 FB27 60 3A C259 0 012uF 50V X7R R302 100K C4 0 1uF 16V X7R R7 10 C24 0 1uF 50V X7R R346 300Ω 1 C7 100pF 50V NP0 C28 0 1uF 50V X7R CE1 1uF 35V X5...

Page 10: ...3904M C31 0 1uF 16V X7R R339 470K R337 10K TP1 C25 0 1uF 50V X7R Q7 P_AP2305 G D S R16 10K C17 1UF 16V X7R Q26 P_AP2305 G D S R31 47K R23 10K R19 4 7K Q27 NPN_3DG3904M TP2 R13 680K Q2 P_AP2305 G D S TP52 C287 0 1uF 16V X7R Q5 NPN_3DG3904M C30 0 1uF 16V X7R R36 10K Q3 P_AP2305 G D S R18 4 7K R12 470K Q9 NPN_3DG3904M TP53 R15 47K R33 4 7K C26 NC 0 1uF 50V X7R R38 4 7K Q4 NPN_3DG3904M R338 47K R22 10...

Page 11: ...ROTECT IC 2 1 R87 NC 10K C85 1UF 16V X7R C63 0 1uF 16V X7R C317 NC 0 1uF 16V X7R C88 0 1uF 16V X7R Q14 NPN_3DG3904M U5 SPHE8104WW NC 103 RFIS 92 AGCCAP 91 AD_AVDD 90 AD_AVSS 89 LDSW GPIO67 88 HOME GPIO66 87 VDD_12 86 CLKOUT 85 CLKIN 84 PLL_VDD 83 PLL_VSS 82 USB_AVSS 81 USB_DM 80 USB_DP 79 ADAC_AVSS 64 AOUT_L 65 USB_AVDD 78 VDD_12 77 TV_AVSS 76 TV_DAC3 75 TV_DAC2 74 TV_DAC1 73 TV_AVDD 72 TV_AVSS 71...

Page 12: ...V X7R FB13 NC 500 500mA 47uF 16V CE8 C112 0 1uF 16V X7R C123 0 1uF 16V X7R C109 1000pF 50V X7R C96 1000pF 50V X7R C99 33pF 50V NP0 FB12 600 200mA C102 1000pF 50V X7R R112 1K C101 1000pF 50V X7R C110 1000pF 50V X7R C98 33pF 50V NP0 C107 1000pF 50V X7R XP10 20PIN 1 0MM 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 C103 1000pF 50V X7R C127 100pF...

Page 13: ...0 R137 4 7K R134 1M R162 33 C140 10UF 6 3V X5R Y3 32 768KHz 30PPM R168 100K TP49 R153 10K R163 1K TP46 C148 0 1uF 16V X7R R157 10K R132 10K C135 100nF C137 100nF D5 LL4148 R350 10K R140 1M R143 NC 10K 47uF 16V CE9 D4 LL4148 R133 NC 10K R154 10K Y4 NC 32 768KHz C139 10UF 6 3V X5R R341 33 FB16 500 800mA C147 15pF 50V NP0 R125 33 R142 1M R146 10K R360 1M R144 NC 10K R123 10K XP8 NC 4PIN 2 0mm 1 1 2 2...

Page 14: ...362 47K R214 10K 1 R184 15K 1 C160 0 1uF 16V X7R R216 NC 1M R227 4 7K R177 NC 10K 1 C154 4 7uF R186 NC 10K 1 R310 0 R172 0 C152 4 7uF BT_TX1 C173 4 7uF R376 4 7K R190 33 C276 4 7uF C166 100pF 50V NP0 R306 NC 300Ω 1 R202 4 7K R228 200KΩ R204 0 CE10 10uF 25V X5R R374 NC 2 2 R203 4 7K R348 0 C155 4 7uF CE266 10uF 10V X5R C310 10UF 25V X5R C170 10uF 10V X5R R195 1K R201 4 7K R171 30K 1 R181 0 R369 NC ...

Page 15: ... 10uF 25V Q19 PNP_MMBT8550CLT1 Q16 PNP_3CG3906M R249 220K C313 NC 0 1uF 50V X7R R264 10K L31 10uH 3A R244 6 2 C191 1000pF 50V X7R Q21 NPN_3DG3904M R268 20K C205 0 1uF 50V X7R C224 0 1uF 50V X7R R276 10K 1 FB46 500Ω 200mA FB22 300Ω 3A R357 NC 33 Q17 PNP_3CG3906M C309 NC 1000pF 50V X7R R240 220K TM14 C218 680pF 50V X7R C198 0 1uF 50V X7R C306 10PF 50V NPO R257 0 C211 0 22uF 50V X7R R267 47K C312 NC ...

Page 16: ...8 SEG14 29 SEG15 30 SEG16 31 G6 32 G5 33 G4 34 G3 35 G2 36 G1 37 VDD D 38 LED4 39 LED3 40 LED2 41 LED1 42 GND 43 OSC 44 1000pF 50V X7R C4 1000pF 50V X7R C11 R35 4 7K R8 5 6 XP3 PHONEJACK 1 1 8 8 7 7 3 3 2 2 4 4 5 5 R47 30K XP4 20PIN 1 0mm 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 Q3 NPN_3DG3904M R18 47 C19 10uF 25V R26 0 R15 47 R19 10K FB...

Page 17: ... SR3100 3A 100V D504 BAT54C 1 3 2 R557 75K 1 R532 0 33uF 400V CE502 R503 2M D510 BAS316 RV501 VDR 620V T501 36 TRF356 SX0 E 4 4 1 1 2 2 6 6 9 9 10 10 8 8 11 11 R528 20k R510 0 R5014 2 74M R515 10K Q504 NPN_MMBT3904LT1 R520 24K 1 C513 330pF R507 20K 1 R533 4 7K ZD503 P6KE200A C554 0 1uF R511 20K 1 R502 33K LIF502 30mH 2 3 1 4 R514 1K 1000UF 25V CE552 D511 BAS316 D506 FR107 1A 1000V R5012 2 74M R529...

Page 18: ...15 C112 C31 C247 C245 C229 C233 C209 C202 C196 C206 C177 C6 C2 C22 C23 C194 C148 C147 C47 C190 C149 C89 C180 C249 C227 C243 C235 C231 C101 C88 C9 C250 C251 C237 C236 C230 C246 C116 C12 C114 C113 C35 C207 C82 C8 C7 C226 C75 C76 C143 C135 C191 C16 C91C 92 C218 C79 C30 C83 C287 C 7 3 C238 C40 C41 C90 C36 C72 C71 C62 C56 C87 C21 C217 C291 C123 C80 C81 C169 C66 C65 C134 C4 R305 CE11 XP17 FB43 FB42 CE27...

Page 19: ...tor Driver AM5890 LOADER VSH M33DS D1206V KT S76RFS7GP RF I2C ADC AK5358 Selector I2S L R Analog audio in SPDIF Optical in KST MW104MV 1 R75B Bluetooth CSR8635 SPK L SPK R 6Ω TW 6Ω WF 15W 10 OP AS4558 IR RTC I2C INT GPIO 6 IO 2 VOL VOL ADC 2 Power_key other power signal Standardized module Three new modules Mass production But not standardized modules Operating frequency 2 4 2 5GHz Before Servicin...

Page 20: ...5 STB_MCU_3V3 Audio SW 74HC4052 MOS AP2305 SYS_3V3 SGM2036 VCC_1 2V for SP8104 MOS AP2305 ADC AMP SP8104 SDRAM RTC PCF8563 BT CS8635 EEPROM M24C16 VFD Audio_SW IR BT_LED R_G_O_LED MOS LT527SL AMP_15V ADC AK5358 OP_BT 12V 5V Optical Flash for SP8104 MOS AP2305 FM3V3 MCU STM32F0 BT OP4558 AC 110 230V INPUT U25 Q7 Q1 U3 LDO SGM2202 SYS_EAR_5V EAR OP SGM4917 U27 Q2 U26 Q3 U2 Q10 U1 LDO SGM2202 STB_BT_...

Page 21: ...WIRING DIAGRAM DISPLAY PCB MAIN PCB POWER PCB Before Servicing This Unit Electrical Mechanical Repair Information Updating 21 ...

Page 22: ...OUT USART6_RX 5 ADC_IN11 10 PC2 I O TTa SPI2_MISO 5 EVENTOUT ADC_IN12 11 PC3 I O TTa SPI2_MOSI 5 EVENTOUT ADC_IN13 12 VSSA S Analog ground 13 VDDA S Analog power supply 14 PA0 I O TTa USART1_CTS 2 USART2_CTS 3 5 USART4_TX 5 ADC_IN0 RTC_TAMP2 WKUP1 15 PA1 I O TTa USART1_RTS 2 USART2_RTS 3 5 EVENTOUT USART4_RX 5 ADC_IN1 16 PA2 I O TTa USART1_TX 2 USART2_TX 3 5 TIM15_CH1 3 5 ADC_IN2 WKPU4 5 17 PA3 I ...

Page 23: ..._SCL USART1_TX TIM16_CH1N 59 PB7 I O FTf I2C1_SDA USART1_RX TIM17_CH1N USART4_CTS 5 60 BOOT0 I B Boot memory selection 61 PB8 I O FTf 6 I2C1_SCL TIM16_CH1 62 PB9 I O FTf I2C1_SDA IR_OUT SPI2_NSS 5 TIM17_CH1 EVENTOUT 63 VSS S Ground 64 VDD S Digital power supply 1 C13 PC14 and PC15 are supplied through the power switch Since the switch only sinks a limited amount of current 3 mA the use of GPIOs PC...

Page 24: ...DD_33 P I O power supply 95 C I CD RF input C from the main beam photo detector 34 M_A11 I O SDRAM address bus 11 96 B I CD RF input B from the main beam photo detector 35 M_A9 I O SDRAM address bus 9 97 A I CD RF input A from the main beam photo detector 36 M_A8 I O SDRAM address bus 8 98 F I CD tracking error input F from the sub beam photo detector 37 M_A7 I O SDRAM address bus 7 99 E I CD trac...

Page 25: ...ixed voltage version only Bypass with a low leakage 0 01 μ F ceramic capacitor for reduced noise at the output The capacitor is recommended to be placed very close to the pin for high PSRR FB Feedback Pin adjustable voltage version only This is used to set the output voltage of the device Exposed Pad The exposed pad should be connected to a large ground plane to maximize thermal performance tps543...

Page 26: ...7 PGND 25K 10K Vcc1 PGND Vcc2 Vcc2 Vcc1 Pre DRV TRAY DRIVER VCTL FWD REV TRB_2 RESET VCCD REGO2 TRB_1 REGO1 VOTR VOTR VOSL VOSL VOFC VOFC VOLD VOLD VOTK VOTK VINSL VINFC MUTE BIAS VINTK VINLD GND VCC2 VCC1 10K 25K 15K 10K Voltage Detection PCF8563T OSCI VDD OSCO CLKOUT INT SCL VSS SDA 1 2 3 4 6 5 8 7 AK5358BET U16 ADC Pin function 74HC4052 U17 Analog_SW Pin function PIN SYMBOL DESCRIPTION PIN SYMB...

Page 27: ...Power VDD_DIG Digital supply voltage EP Exposed pad for PCB heatsink to be connected to GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 VDD_DIG GND_DIG SCL SDA INT_LINE RESET SDI LRCKI BICKI XTI GND_PLL FILTER_PLL VDD_PLL PWRDN GND_DIG VDD_DIG TWARN OUT4A EAPD OUT4B GND_SUB SA TEST_MODE VSS VCC_REG OUT2B GND2 VCC2 OUT2A OUT1B VCC1 GND1 OUT1A G...

Page 28: ...osition is Sn 3Ag 0 5Cu 7 1 5MAX is applied to all the leads inside A area 0 8MAX is applied to all the leads inside B area q E2 a d 1G 8G f b h k j e c r n j Dp Dp 3G 7G g m col 2G 4G 6G 1G 2G 3G 5G 7G 8G 6G 4G ANODE CONNECTION 1G 2G 3G 4G 5G 6G 7G 8G P1 a a a a a a a a P2 k k k k k k k k P3 j j j j j j j j P4 h h h h h h h h P5 b b b b b b b b P6 f f f f f f f f P7 m m m m m m m m P8 g g g g g g...

Page 29: ...01000010 11001100 KEY26 ENTER SYSTEM 5H SYSTEM 1H ENTER 424H 53H 00001010 10000010 01000010 11001010 KEY27 RIGHT SYSTEM 5H SYSTEM 1H CURSOR RIGHT 423H 23H 00001010 10001100 01000010 11000100 KEY28 DOWN SYSTEM 5H SYSTEM 1H CURSOR DOWN 421H 03H 00001010 10001000 01000010 11000000 KEY29 BACK SYSTEM 5H SYSTEM 1H BACK RETURN 425H 43H 00001010 10001010 01000010 11000010 KEY30 TIMER MENU SYSTEM 5H SYSTEM...

Page 30: ...MECHANICAL DISASSEMBLY Flowchart 1 FRONT ASSY 2 CD MECHA ASSY 3 MAIN PCB 4 POWER PCB EXPLODED VIEW PACKAGING VIEW Before Servicing This Unit Electrical Mechanical Repair Information Updating 30 ...

Page 31: ... See EXPLODED VIEW FRONT ASSY DISASSEMBLY 1 FRONT ASSY and EXPLODED VIEW FRONT PCB Ref No of EXPLODED VIEW 11 Bluetooth antenna Ref No of EXPLODED VIEW 5 TOP COVER CD MECHA ASSY DISASSEMBLY 2 CD MECHA ASSY and EXPLODED VIEW Suction Loader Ref No of EXPLODED VIEW 13 MAIN PCB DISASSEMBLY 3 MAIN PCB and EXPLODED VIEW MAIN PCB Ref No of EXPLODED VIEW 26 POWER PCB DISASSEMBLY 4 POWER PCB and EXPLODED V...

Page 32: ...this manual The viewpoint of each photograph Shooting direction X View from the top Shooting direction C Shooting direction D Shooting direction A Shooting direction B Proceeding TOP COVER FRONT ASSY 1 Remove the hook 1 Remove the connector Remove the FFC Remove the wire from the antenna along with the glue 1 FRONT ASSY Shooting direction C Shooting direction D View from the bottom Hook x4 Shootin...

Page 33: ... XP3 FFC XP4 Glue Hook Proceeding TOP COVER MAIN PCB 1 Remove the screws Remove the connector Remove the FFC Remove the wire from the antenna along with the glue 3 MAIN PCB Shooting direction A x2 x1 x1 x2 XP1 FFC XP3 FFC XP4 FFC Glue Before Servicing This Unit Electrical Mechanical Repair Information Updating 33 ...

Page 34: ... PCB POWER PCB 1 Remove the screws Remove the Main board support Remove the screws Remove the connector 4 POWER PCB x4 x4 CN501 Main board support Before Servicing This Unit Electrical Mechanical Repair Information Updating 34 ...

Page 35: ...9 20 21 22 23 24 26 25 19 19 14 28 27 14 2x 4x 4x 4x 4x 2x 2x 7x 4x 4x 10 1 4 5 6 7 11 12 29 7x 4x 2 A WARNING Parts marked with this symbol z have critical characteristics Use ONLY replacement parts recommended by the manufacturer Before Servicing This Unit Electrical Mechanical Repair Information Updating 35 ...

Page 36: ... 12 4 WARRANTY USA CANADA E3 Only E3 Version ZIPPERBAG 12 5 FM Antenna 12 1 SAFETY INST ALL 12 3 Notes on RADIO ALL JP Version ZIPPERBAG 12 5 FM Antenna 12 1 SAFETY INST ALL 12 3 Notes on RADIO ALL E1C Version ZIPPERBAG 12 5 FM Antenna 12 6 Antenna Isolator E1C only 29 30 1 3 4 5 2 6 8 9 12 14 21 22 z 25 17 26 23 24 20 19 18 16 15 13 12 5 11 10 7 27 12 UK plug UK Only Before Servicing This Unit El...

Page 37: ...r cause 3 VFD is not lit 4 The disc is not ejected 5 The disk is not loaded or is not played 6 No audio output 7 No audio from headphones SPECIAL MODE Special mode setting button 1 Version Display Mode 2 Display check mode 3 Initialization Mode Before Servicing This Unit Electrical Mechanical Repair Information Updating 37 ...

Page 38: ... If there are no abnormalities there may be a defect in U19 Checking the 2 The unit will not power on other cause Check for abnormalities in the power supply SYS_3V3 SYS_5V STB_3V3 An abnormal temperature increase has occurred in D AMP U19 or overcurrent detection is activated Check for open or short circuits in the circuits connected to 6 9 10 13pin of the U19 STA339BW output Check for abnormalit...

Page 39: ...the operation of MCU MAIN PCB POWER_EN changes from Lo to Hi when U10 3pin is powered on With U10 58 59pin powered on start com munication with U5 SPHE8104 using this port Check of STB_3 3V MAIN PCB Voltage is supplied as normal to U1 Check the state soldering for the following parts SMPS PCB Check the circuits around F501 D553 D556 U501 T501 U502 U503 U504 Q501 Check the state soldering for the f...

Page 40: ...VFD Check the operation of the VFD filament DISPLAY PCB VFD1 1 2 31 32pin Filament voltage pulse is supplied as normal Defect in the VFD DISPLAY PCB Check or replace the soldering of VFD1 Check the state soldering for the following parts MAIN PCB Check the circuits around Q7 Replace the mechanical Remove the disc by undoing the mecha screws Check the state soldering for the following parts DISPLAY...

Page 41: ...cuits Replace the mechanical Repair the abnormal area Repair the abnormal area NO NO NO NO YES YES YES YES 6 No audio output 6 1 No sound is output from any inputs 6 2 No sound is output from DIGITAL IN Check I2S between U5 SPHE8104 and U19 STA339BW MAIN PCB R250 R365 R366 R367 I2S is input as normal to U19 Check the following parts and surrounding circuits MAIN PCB U9 No sound is output from the ...

Page 42: ...CB U19 Check the Audio output MAIN PCB U8 7 8pin Audio signal is output as normal to U8 7 8pin when TUNER receives a station Check the I2S signal output of the ADC MAIN PCB U16 9 10 11 12pin I2S signal is output as normal from U16 Check the following parts and surrounding circuits MAIN PCB U5 MAIN PCB Check the data line from U5 119 120pin to U8 3 4pin Check the state soldering for the following p...

Page 43: ... Line of ANALOG IN MAIN PCB P1 1 3pin U17 4 11pin No sound is output from the BLUETOOTH input source Check the Audio signal Line of U13 output MAIN PCB U13 1 7pin U17 5 14pin Check the Audio Line of U13 output MAIN PCB U15 54 55 56 57pin Audio signal is output as normal Check the circuits around U13 If there are no abnormalities there may be a defect in U13 MAIN PCB Check the connection of U10 44 ...

Page 44: ...ges from Lo to Hi when head phones are connected to this unit Check the output of U24 SGM4917 MAIN PCB U24 10 12pin Audio output is normal Check the following parts and surrounding circuits MAIN PCB U19 Check the status of the headphone detection circuit as follows Check the circuit from MAIN PCB U10 40pin to DISPLAY PCB XP3 5 8pin Check the following parts and surrounding circuits MAIN PCB U24 NO...

Page 45: ...ode CLEAR Cursor 0 2 The firmware version is shown on the display 2 Display check mode SOURCE 9 The display is fully lit 3 Factory Initialization Mode SOURCE 5 Initializes backup data SHUFFLE PROGRAM REPEAT CD Bluetooth ANALOG IN CLOCK SLEEP ENTER PRESET DIMMER BACK VOLUME SOURCE POWER TUNE TONE OPTICAL IN MODE AM FM TUNE INFO TIMERMENU 4 5 6 7 8 9 CLEAR 10 0 1 2 3 0 2 CLEAR X 5 9 SOURCE Before Se...

Page 46: ...CE and 9 for at least 5 seconds 2 The display is fully lit The power LED orange and Bluetooth LED blue are lit 3 The display returns to the normal mode after 3 seconds 3 Initialization Mode Make sure to initialize this unit after replacing the microcomputer or any peripheral equipment or the PCB 3 1 Operations 1 While the power is On hold down buttons SOURCE and SOUND MODE for at least 5 seconds 2...

Page 47: ... PCB PROCEDURE AFTER REPLACING THE U COM ETC FIRMWARE UPDATE PROCEDURE 1 Items necessary for update 2 Updating via Disc 3 Updating via DSP U4 4 MCU Updates U10 Before Servicing This Unit Electrical Mechanical Repair Information Updating 47 ...

Page 48: ...RE DSP MAIN U10 STM32F030R8T6 B SOFTWARE Main Procedure after Replacement A The software has been written The software is not written at the time of replacement B The software has been written The software may need to be rewritten by version updates Check the version C The software has not been written The software needs to be written after replacement See FIRMWARE UPDATE PROCEDURE for information...

Page 49: ...Update Requirement Offered not Offered Standard Service Equipment Not offered by D M Purchase from D M Article code Download from SDI Via Disc Provide a writable CD R RW disc X File name for MCU DM_MICRO_MCU bin File name for DSP DM_MICRO_MPEG bin Before Servicing This Unit Electrical Mechanical Repair Information Updating 49 ...

Page 50: ...PD 3 Press the 1 3 button on the remote control UPGING The disc is ejected 4 Eject the update disc 5 After updating the firmware check the version See 1 Version Display Mode Cautions on Firmware Update Turning on the power while the update disc is inserted starts the update automatically Do not turn off the power until updating is completed 4 MCU Updates U10 4 1 Preparation Use the Disc created in...

Page 51: ...Copyright 2018 D M Holdings Inc All Rights Reserved www denon com ...

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