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MODEL
For purposes of improvement, specifications and
●
design are subject to change without notice.
Please use this service manual with referring to the
●
operating instructions without fail.
Some illustrations using in this service manual are
●
slightly different from the actual set.
SERVICE MANUAL
DN-V750/V755
NETWORK AUDIO VIDEO PLAYER
Professional business company
注 意
サービスをおこなう前に、このサービスマニュアルを
必ずお読みください。本機は、火災、感電、けがなど
に対する安全性を確保するために、さまざまな配慮を
おこなっており、また法的には「電気用品安全法」に
もとづき、所定の許可を得て製造されております。
従ってサービスをおこなう際は、これらの安全性が維
持されるよう、このサービスマニュアルに記載されて
いる注意事項を必ずお守りください。
本機の仕様は性能改良のため、予告なく変更すること
●
があります。
補修用性能部品の保有期間は、製造打切後8年です。
●
修理の際は、必ず取扱説明書を参照の上、作業を行っ
●
てください。
本文中に使用しているイラストは、説明の都合上現物
●
と多少異なる場合があります。
JAPAN
For U.S.A., Canada
& Europe model
Ver. 2
X0221V.02 DE/CDM 0412
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Table of Contents
Related Manuals for Denon DN-V750
Summary of Contents for Denon DN-V750
- Page 1 For U.S.A., Canada & Europe model Ver. 2 SERVICE MANUAL DN-V750/V755 MODEL NETWORK AUDIO VIDEO PLAYER 注 意 サービスをおこなう前に、このサービスマニュアルを 必ずお読みください。本機は、火災、感電、けがなど に対する安全性を確保するために、さまざまな配慮を おこなっており、また法的には「電気用品安全法」に もとづき、所定の許可を得て製造されております。 従ってサービスをおこなう際は、これらの安全性が維 持されるよう、このサービスマニュアルに記載されて いる注意事項を必ずお守りください。 本機の仕様は性能改良のため、予告なく変更すること For purposes of improvement, specifications and ● ● があります。 design are subject to change without notice.
-
Page 2: Safety Precautions
DN-V750/V755 SAFETY PRECAUTIONS The following check should be performed for the continued protection of the customer and service technician. LEAKAGE CURRENT CHECK Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis resistance check. - Page 3 DN-V750/V755 BLOCK DIAGRAM...
- Page 4 DN-V750/V755 ADJUSTMENT (for DN-V750 model) 1. Connect the terminal as shown fig. 1. 2. Set the CF card (CF-96-27=adjustment 2) to CARD SLOT. 3. Turn OFF the 1 and 2 Dip switch on the back panel. 4. Turn the power switch ON.
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Page 5: Video Mode
DN-V750/V755 ADJUSTMENT (for DN-V755 model) 1. Connect the terminal as shown fig. 1. 2. Set to the IDE→ CF conversion P.W.B. (1) Extract the IDE cable of HDD from the main P.W.B. (2) Extract the power cable of HDD from the HDD. - Page 6 DN-V750/V755 SEMICONDUCTORS Only major semiconductors are shown, general semiconductors etc. are omitted to list. 主な半導体を記載しています。汎用の半導体は記載を省略しています。 1. IC’s EM8551B (IC105)
- Page 7 DN-V750/V755 EM8551B Terminal Function Port Name Symbol Description Function CVBS Analog Video Output CVBS Ext video buffer(BH7862) ganerates composite video. AVDD_CVBS VDD3_3CVBS Connect to 3.3V_A(for Video DAC) AVSS_CVBS VSS_CVBS Connect to GND_A(for Video DAC) AVDD_VDAC VDD3_3DAC Connect to 3.3V_A(for Video DAC)
- Page 8 DN-V750/V755 Port Name Symbol Description Function PIO1[13] Programmable I/O Port 1 Bit 13 Control signal for rtc(RTC4543) L:disable/ H:enable UART0_TXD UART0:Transmit Data Not used UART0_RXD UART0:Receive Data intPd Not used UART0_DCD# UART0:Data Carriar Detect intPd Not used PIO0[1] Programmable I/O Port 0 Bit 1...
- Page 9 DN-V750/V755 Port Name Symbol Description Function DAMCK Serial Audio Clk Out Not used DABCK Bitclk Not used AUD_CH1_VD DAC1 VCC 3V3 Connect to 3.3V_D VDD_IO Connect to 3.3V_D VSS_IO Connect to GND_D VSS_IO Connect to GND_D VSS_CORE Connect to GND_D...
- Page 10 DN-V750/V755 Port Name Symbol Description Function VSS_IO Connect to GND_D VSS_IO Connect to GND_D VSS_IO Connect to GND_D VSS_IO Connect to GND_D VSS_IO Connect to GND_D VSS_IO Connect to GND_D VSS_IO Connect to GND_D VSS_IO Connect to GND_D SM_D[7] System Memory Data Bit7 Connect to system sdram(D7) and flash chip(D7) and mode select pulldown is mounted.
- Page 11 DN-V750/V755 Port Name Symbol Description Function VSS_IO Connect to GND_D VSS_IO Connect to GND_D VSS_IO Connect to GND_D VSS_IO Connect to GND_D VSS_IO Connect to GND_D VSS_IO Connect to GND_D VDD_IO Connect to 3.3V_D SM_D[31] System Memory Data Bit31 Connect to system sdram(D31)
- Page 12 DN-V750/V755 Port Name Symbol Description Function VSS_IO Connect to GND_D FLASH_CFG[0] Flash configulation(16#/32bits flash Select bus width.(L fixed:16bit bus width) Width) FLASH_RYBY# Flash ready/busy Reserved function. FLASH_CS[0]# Flash Chip Select 0 Connect to flash chip(-CS0) or adress decoder(- FLASH_WE# Flash Write Enable...
- Page 13 DN-V750/V755 Port Name Symbol Description Function AD12 LPB_AD[7] Local Peripheral Bus Address/Data bit Connect to Ethernet(DM9000) and CX303(for DN-V1500X) AD13 LPB_AD[3] Local Peripheral Bus Address/Data bit Connect to Ethernet(DM9000) and CX303(for DN-V1500X) AD14 LPB_AD[0] Local Peripheral Bus Address/Data bit Connect to Ethernet(DM9000) and CX303(for...
- Page 14 DN-V750/V755 Port Name Symbol Description Function AF14 Not used AF15 LPB_INTR Local Peripheral Bus Interrupt (Ed) Connect to Ethernet(DM9000) and CX241(for Request DN-V1500X) AF16 LPB_PGIO[3] Local Peripheral Bus Programmable I/ (Lev intPd Connect to CX241(for DN-V1500X) O Bit 3 AF17...
- Page 15 DN-V750/V755 DM9000EP (IC308) DGND TXD0 TX_CLK LINK_O TEST5 WAKEUP RX_CLK PW_RST# RX_ER DGND RX_DV SD15 SD14 SD13 DGND SD12 RXD3 SD11 RXD2 DM9000 SD10 RXD1 RXD0 LINK_I DVDD DVDD IO16 AVDD TXO- TXO+ AGND AGND AVDD DGND AVDD BGRES...
- Page 16 DN-V750/V755 DM9000EP Terminal Function Pin No. Pin Name Type Description MII Interface LINK_I External MII device link status. 41,40,39, RXD[3:0] External MII Receive Data External MII Carrier Sense External MII Collision Detect RX_DV External MII Receive Data Valid RX_ER External MII Receive Error...
- Page 17 DN-V750/V755 93,94,95, SA4~9 address bus 4~9 for ISA mode 96,97,98 Command type: When high, the access of this command cycle is DATA port. When low, the access of this command cycle is ADDRESS port. IO16 word command indication When the access of internal memory is word or dword width, this pin will be asserted.
- Page 18 DN-V750/V755 CLK20MO 20Mhz clock output It is used as the clock signal for the external MII device’s clock is 20Mhz. LED Interface SPEED100# Speed LED It is low output to indicate that the internal PHY is operated in 100M speed, or it is floating for the 10M mode of the internal PHY.
- Page 19 DN-V750/V755 LINK_O Cable link status output. Active High. This pin is also used as a strap pin to define the MII interface is reversed MII interface (pull-high) or normal MII interface (not pull-high). WAKEUP Issue a wake-up signal when wake-up event happens.
- Page 20 DN-V750/V755 64M SDRAM Terminal Function...
- Page 21 DN-V750/V755 BLOCK DIAGRAM...
-
Page 22: Block Diagram
DN-V750/V755 128M SDRAM (IC106) DQ15 DQ14 DQ13 DQ12 DQ11 DQ10 DQM0 DQM1 CAS# RAS# DQM2 DQM3 DQ16 DQ31 DQ17 DQ30 DQ18 DQ29 DQ19 DQ28 DQ20 DQ27 DQ21 DQ26 DQ22 DQ25 DQ23 DQ24 BLOCK DIAGRAM CONTROL LOGIC BANK3 CAS# BANK2 BANK1... - Page 23 DN-V750/V755 M29W160EB70N6 (IC109) BYTE V SS DQ15A–1 DQ14 DQ13 DQ12 V CC M29W160EB DQ11 DQ10 V SS BH7862F (IC302) CTRAP COUT 75Ω TEST MUTE1 MUTE1 TEST 1.5-6M 75Ω MIXOUT MIXFB YTRAP CLAMP CLAMP PYIN 75Ω YOUT PYTRAP PYOUT 75Ω PYFB...
- Page 24 DN-V750/V755 UPD4721GS-GJG (IC101) SN74LV573APW-EL2 (IC306) STBY OUT1 OUT2 OUT1 OUT2 WM8725GED (IC303)
- Page 25 DN-V750/V755 SN74LV02APW-EL2 (IC104) SN74LV00APW-EL2 (IC110) SN74LV08APW-EL2 (IC301) SN74LV74APW-EL2 (IC311, 312) 1CLR 2CLR 1CLK 1PRE 2CLK 2PRE BA4510F-E2 (IC304, 305) RTC4543SAB-L2 (IC309) ...
- Page 26 DN-V750/V755 S-24C01BFJ-TB (IC103) PinNo. PinName Function N.C. N.C. N.C. Serial data input/output Serial clock input Connect to GND Power supply BA4510F-E2 (IC304, 305) BA08ST (IC503) BD4298G-TR (IC111) BA05ST (IC504) BA18BC0WT (IC505) BA033T (IC506) N.C . 4 N.C. 1pin CTL 2pin V...
- Page 27 DN-V750/V755 PRINTED WIRING BOARDS GU-3606 MAIN P.W.B. UNIT COMPONENT SIDE...
- Page 28 DN-V750/V755 FOIL SIDE...
- Page 29 DN-V750/V755 NOTE FOR PARTS LIST Part indicated with the mark " " are not always in stock and possibly to take a long period of time for supplying, or in some case supplying of part may be refused. When ordering of part, clearly indicate "1" and "I" (i) to avoid mis- supplying.
- Page 30 PARTS LIST OF P.W.B. UNIT ＊本表に記載されている部品は、補修用部品のため製品に使用している部品とは一部、形状、寸法などが異なる場合があります Note: The symbols in the column "Remarks" indicate the following destinations. E3: U.S.A. & Canada model E2: Europe model 00DGU-3606 MAIN P.W.B. UNIT ASS'Y (for DN-V750 model) Ref. No. Part No. Part Name Remarks...
- Page 31 DN-V750/V755 Ref. No. Part No. Part Name Remarks Q'ty D502 00D 276 0684 900 RB051L-40TE25 ZD501 00D 276 0469 905 HZS9C-1TD LD501-503 00D 393 9543 910 SLR-325MC (GRN) TAPE LD504 00D 393 9543 907 SLR-325VC (RED) TAPE RESISTORS GROUP VR101...
- Page 32 DN-V750/V755 Ref. No. Part No. Part Name Remarks Q'ty C168 00D 257 0511 904 CK73F1H103ZT +1608 C169 00D 257 0512 903 CK73F1E104ZT +1608 C170 00D 254 4464 906 CE67C0J101MT +REF C173 00D 257 0509 929 CK73B1H102KT +1608 C175 00D 257 0511 904...
- Page 33 DN-V750/V755 Ref. No. Part No. Part Name Remarks Q'ty C381 00D 257 0506 951 CC73CH1H101JT +1608 C382,383 00D 257 0508 917 CC73CH1H471JT +1608 C384-387 00D 257 0506 951 CC73CH1H101JT +1608 C389 00D 257 0509 929 CK73B1H102KT +1608 C390 00D 257 0511 904...
- Page 34 DN-V750/V755 Ref. No. Part No. Part Name Remarks Q'ty RL301 00D 214 0159 000 RELAY (EA2-12) S101 00D 212 4807 909 TACT SW(SKQDAA) +REF S301 00D 212 1181 000 DIP SW-4(74D) S501 00D 212 0470 000 POWER SWITCH S502-504 00D 212 5604 910...
- Page 35 DN-V750/V755 00DGU-3606A MAIN P.W.B. UNIT ASS'Y (for DN-V755 model) Ref. No. Part No. Part Name Remarks Q'ty SEMICONDUCTORS GROUP IC101 00D 262 2114 903 UPD4721GS-GJG IC102 00D 262 2916 004 64M SDRAM(TSOP) IC103 00D 262 3114 902 S-24C01BFJ-TB IC104 00D 262 2729 903...
- Page 36 DN-V750/V755 Ref. No. Part No. Part Name Remarks Q'ty LD504 00D 393 9543 907 SLR-325VC (RED) TAPE RESISTORS GROUP VR101 00D 211 6148 906 V03PB471MT(RH03ADCS) +REF CAPACITORS GROUP C105 00D 254 4465 905 CE67C1C220MT +REF C106 00D 257 0509 929...
- Page 37 DN-V750/V755 Ref. No. Part No. Part Name Remarks Q'ty C177 00D 257 0512 903 CK73F1E104ZT +1608 C178 00D 257 0509 929 CK73B1H102KT +1608 C301 00D 257 0511 904 CK73F1H103ZT +1608 C302 00D 257 0512 903 CK73F1E104ZT +1608 C303 00D 257 0511 904...
- Page 38 DN-V750/V755 Ref. No. Part No. Part Name Remarks Q'ty C391 00D 257 0512 903 CK73F1E104ZT +1608 C392 00D 257 0509 929 CK73B1H102KT +1608 C393 00D 257 0511 904 CK73F1H103ZT +1608 C394 00D 257 0512 903 CK73F1E104ZT +1608 C395 00D 257 0509 929...
- Page 39 DN-V750/V755 Ref. No. Part No. Part Name Remarks Q'ty T301 00D 239 0033 002 TLA-6T118 X101 00D 399 0964 907 X'TAL(27M) +REF X301 00D 399 0776 001 X'TAL(25MHZ) 00D 417 0253 013 RADIATOR 00D 471 3305 014 3X10 CBS-Z...
- Page 40 DN-V750/V755 EXPLODED VIEW (for DN-V750 model) Parts List WARNING: Parts marked with this symbol have critical characteristics. Use ONLY replacement parts recommended by the manufacturer. 印の部分は安全を維持するために重要 な部品です。従って交換時は必ず指定の 部品を使用してください。 Accessory ★ mark is the screw of 50...
- Page 41 DN-V750/V755 PARTS LIST OF EXPLODED VIEW (for DN-V750 model) ＊本表に記載されている部品は、補修用部品のため製品に使用している部品とは一部、形状、寸法などが異なる場合があります。 Note: The symbols in the column "Remarks" indicate the following destinations. E3: U.S.A. & Canada model E2: Europe model Ref. No. Part No. Part Name Remarks Q'ty 00DGU-3606 MAIN P.W.B. UNIT ASS'Y...
- Page 42 DN-V750/V755 EXPLODED VIEW (for DN-V755 model) Parts List WARNING: Parts marked with this symbol have critical characteristics. Use ONLY replacement parts recommended by the manufacturer. 印の部分は安全を維持するために重要 な部品です。従って交換時は必ず指定の 部品を使用してください。 Accessory ★ mark is the screw of 50...
- Page 43 DN-V750/V755 PARTS LIST OF EXPLODED VIEW (for DN-V755 model) ＊本表に記載されている部品は、補修用部品のため製品に使用している部品とは一部、形状、寸法などが異なる場合があります。 Note: The symbols in the column "Remarks" indicate the following destinations. E3: U.S.A. & Canada model E2: Europe model Ref. No. Part No. Part Name Remarks Q'ty 00DGU-3606A MAIN P.W.B. UNIT ASS'Y...
- Page 44 Part Name Remarks Q'ty 00D 505 0293 008 ENVELOPE for set 00D 501 2280 004 CARTON CASE for DN-V750 model 00D 501 2281 003 CARTON CASE for DN-V755 model 00D 502 1085 106 CUSHION 00D 501 2274 007 ACC. BOX...
- Page 45 DN-V750/V755 WIRING DIAGRAM (for DN-V750 model)
- Page 46 DN-V750/V755 WIRING DIAGRAM (for DN-V755 model)
- Page 47 DN-V750/V755 NOTE FOR SCHEMATIC DIAGRAM 配線図について WARNING: ! 印の部品は安全を維持するために重要な部品です。 Parts marked with this symbol ! have critical characteristics. 従って交換時は必ず指定の部品を使用してください。 Use ONLY replacement parts recommended by the manufactur- 注） CAUTION: (1) 指定なき抵抗値は Ω、ｋ は ｋΩ、M は MΩ を示す。 Before returning the unit to the customer, make sure you make (2) 指定なきコンデンサーの値は...
- Page 48 DN-V750/V755 SCHEMATIC DIAGRAMS (1/3) SCHEMATIC DIAGRAMS (1/3) GU-3606-1 MAIN UNIT (1/3)
- Page 49 DN-V750/V755 SCHEMATIC DIAGRAMS (2/3) SCHEMATIC DIAGRAMS (2/3) GU-3606-1 MAIN UNIT (2/3)
- Page 50 DN-V750/V755 SCHEMATIC DIAGRAMS (3/3) SCHEMATIC DIAGRAMS (3/3) GU-3606-1 MAIN UNIT (3/3) GU-3606-2 PC CARD UNIT (DN-V750 only) GU-3606-3 KEY UNIT GU-3606-4 LED UNIT...
- Page 51 DN-V750/V755 DOCUMENTS FOR WEEE Details of Recycle parts for DN-V750E2 model...
- Page 52 DN-V750/V755 Exploded view for DN-V750E2 model...
- Page 53 DN-V750/V755 Details of Recycle parts for DN-V755E2 model...
- Page 54 DN-V750/V755 Exploded view for DN-V755E2 model...