Pioneer DVR-104 Service Manual
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Pioneer DVR-104 Service Manual

Pioneer dvd-r/rw; cd-r/rw writer
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3 7 63 1515 0
DVD-R/RW CD-R/RW WRITER
DVR-104
DVR-A04
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
TE
L 13942296513
Model
DVR-104
KBXV/2
DVR-104
KB/2
DVR-104
KB
DVR-A04
KBXV
DVR-A04
KB
www
For details, refer to "Important symbols for good services" on the next page.
.
PIONEER CORPORATION
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2002
http://www.xiaoyu163.com
Type
Power Requirement
DC Power supply from other system
DC Power supply from other system
DC Power supply from other system
DC Power supply from other system
DC Power supply from other system
x
ao
u163
y
i
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
http://www.xiaoyu163.com
2 9
8
PHONES
BUSY
DVR-104
Q Q
3
6 7
1 3
1 5
co
.
9 4
2 8
ORDER NO.
RRV2590
0 5
8
2 9
9 4
2 8
Remarks
m
T-ZZY APR.2002.printed in Japan
9 9
9 9

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  • Page 1 PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER CORPORATION 2002 T-ZZY APR.2002.printed in Japan...

  • Page 2: Safty Information

    MAXIMUM OUTPUT POWER: 7 mw LASER OF CLASS 1. WAVELENGTH: 650 nm (DVD) , 780 nm (CD-ROM) SERVICING OPERATION OF THE APPARATUS SHOULD BE DONE BY A SPECIALLY INSTRUCTED PERSON. DVR-104/KB, DVR-104/KB/2 and DVR-A04/KB only DVR-104/KBXV/2 and DVR-A04/KBXV only DRW2069 DRW2080 L 13942296513 (DRW2069)
  • Page 3 By following the instructions in this manual, be sure to apply the prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed ones should be used. L 13942296513 u163 DVR-104 http://www.xiaoyu163.com...

  • Page 4: Table Of Contents

    8. PANEL FACILITIES ..........68 u163 DVR-104 http://www.xiaoyu163.com...

  • Page 5: Specifications

    1. SPECIFICATIONS 3 7 63 1515 0 [DVR-104 and DVR-A04] [Setting] This drive is Horizontal and Vertical Use. [Disc Size] • 12 cm (4.72”) / 8 cm (3.15”)* *8 cm (3.15") discs cannot be used at upright position. [Data Transfer Rate] Data Read (Sustained) DVD Max.

  • Page 6: Exploded Views And Parts List

    For the applying amount of lubricants or glue, follow the instructions in this manual. (In the case of no amount instructions, apply as you think it appropriate.) 2.1 PACKING • for DVR-104 • for DVR-A04 L 13942296513 u163 DVR-104 http://www.xiaoyu163.com...
  • Page 7 Polyethylene Bag See Contrast table (2) Spacer1 See Contrast table (2) Spacer2 See Contrast table (2) (2) CONTRAST TABLE DVR-104/KB/2, DVR-104/KB, DVR-A04/KBXV, DVR-A04/KB and DVR-104/KBXV2 are constructed the same except for the following. Mark NO Symbol and Description DVR-104/KBXV/2 DVR-104/KB/2 DVR-104/KB...

  • Page 8: Exterior (1/2) Section

    2.2 EXTERIOR (1/2) SECTION 3 7 63 1515 0 Refer to "2.3 EXTERIOR SECTION (2/2)". L 13942296513 NON-CONTACT SIDE CONTACT SIDE u163 DVR-104 http://www.xiaoyu163.com...
  • Page 9 Bonnet R4 See Contrast table (2) Screw DBA1154 Air Packing DEB1474 Short-Circuit Socket DKX1042 (2) CONTRAST TABLE DVR-104/KB/2, DVR-104/KB, DVR-A04/KBXV, DVR-A04/KB and DVR-104/KBXV2 are constructed the same except for the following. Mark NO Symbol and Description DVR-104/KBXV/2 DVR-104/KB/2 DVR-104/KB DVR-A04/KBXV DVR-A04/KB...

  • Page 10: Exterior (2/2) Section

    2.3 EXTERIOR (2/2) SECTION 3 7 63 1515 0 Refer to "2.4 TRAVERSE MECHANISM ASSY". L 13942296513 Grease (GYA1001) Cleaning paper Grease (GED-008) (GYA1001) Grease (GYA1001) u163 DVR-104 http://www.xiaoyu163.com...
  • Page 11 • • • • • Screw BMZ26P050FM Spacer DEB1482 Fan Motor R4 DXM1169 (2) CONTRAST TABLE DVR-104/KB/2, DVR-104/KB, DVR-A04/KBXV, DVR-A04/KB and DVR-104/KBXV2 are constructed the same except for the following. Mark NO Symbol and Description DVR-104/KBXV/2 DVR-104/KB/2 DVR-104/KB DVR-A04/KBXV DVR-A04/KB...

  • Page 12: Traverse Mechanism Assy-S

    2.4 TRAVERSE MECHANISM ASSY-S 3 7 63 1515 0 Cleaning liquid (GEM1004) Cleaning paper (GED-008) L 13942296513 u163 DVR-104 http://www.xiaoyu163.com...
  • Page 13 OWY8016 OWY8001 DNH2509 DNH2501 Mechanism Base Warm DNK3899 DNK3825 Tilt Gear A DNK3900 DNK3826 Tilt Gear B DNK3901 DNK3827 Tilt Cam DNK3902 DNK3828 Guide Spring (R4) DBK1218 DBK1215 Cam Cover DNK3903 DNK3863 DBK1217 DBK1213 Hold Spring (R4) u163 DVR-104 http://www.xiaoyu163.com...

  • Page 14: Block Diagram And Schematic Diagram

    (SP) ACTUATOR Discrete TILT ER THERMO SENSOR Laser Diode HOLOGRAM 18-21 37-40 DVD-PB PW Adj. FRONT MONITOR (SP) DIODE RF: 116 10-11 47-48 TE: 56 CD-PB PW Adj. FE: 60 6- 9 3, 4 14,17 BUFFER u163 BUFFER DVR-104 http://www.xiaoyu163.com...
  • Page 15 L 13942296513 (PB) 58,59 1st PLL VCO Adj. VC701 VC702 2nd PLL VCO Adj. (PB) (PB) (SP) (PB) 209,210 RF, TE, FE RF: 116 16.93M TE: 140 JA201 FE: 139 (PB) (PB) 211,212 (PB) D/A CONVERTER u163 146-148 13-15 DVR-104 http://www.xiaoyu163.com...

  • Page 16: Overall Wiring Diagram

    3.2 OVERALL WIRING DIAGRAM 3 7 63 1515 0 SLIDER MOTOR (DXM1151) TILT MOTOR ASSY (DXX2492) L 13942296513 u163 DVR-104 http://www.xiaoyu163.com...
  • Page 17 3 7 63 1515 0 SPINDLE MOTOR (DXM1165) 1/5 -5/5 DVR R4 MAIN ASSY L 13942296513 (DWX2187) LOADING MOTOR ASSY (DXX2503) TRAY OPEN CLUMP UP u163 DVR-104 http://www.xiaoyu163.com...

  • Page 18: Dvr R4 Main Assy (1/5)

    3.3 DVR R4 MAIN ASSY (1/5) 3 7 63 1515 0 (C)(D) 5 6a L 13942296513 1/5, 4/5 CN101 1/5, 4/5 BTL DRIVER u163 DVR-104 http://www.xiaoyu163.com...
  • Page 19 : CD TE SIGNAL ROUTE : DVD REC SIGNAL ROUTE : DVD TE SIGNAL ROUTE (SP) : SLIDER MOTOR SIGNAL : SLIDER MOTOR SIGNAL : TILT MOTOR SIGNAL DRIVER DRIVER CN601 (SP) L 13942296513 2/5, 3/5 BTL DRIVER u163 DVR-104 http://www.xiaoyu163.com...

  • Page 20: Dvr R4 Main Assy (2/5)

    3.4 DVR R4 MAIN ASSY (2/5) 3 7 63 1515 0 L 13942296513 (PB) (at 10kΩ LOAD) (PB) (PB) (PB) CN401 (PB) (PB) (PB) PHONES u163 JA201 (at 32Ω LOAD) DVR-104 http://www.xiaoyu163.com...
  • Page 21 3 7 63 1515 0 : RF SIGNAL ROUTE DVR R4 MAIN ASSY : REC SIGNAL ROUTE (DWX2187) (PB) : PB SIGNAL ROUTE : TE SIGNAL ROUTE CN301 : FE SIGNAL ROUTE L 13942296513 CN401 CN401 u163 DVR-104 http://www.xiaoyu163.com...

  • Page 22: Dvr R4 Main Assy (3/5)

    3.5 DVR R4 MAIN ASSY (3/5) 3 7 63 1515 0 DVR R4 MAIN ASSY (DWX2187) (SP) : SPINDLE MOTOR SIGNAL BTL DRIVER L 13942296513 (SP) (SP) u163 DVR-104 http://www.xiaoyu163.com...
  • Page 23 3 7 63 1515 0 L 13942296513 u163 DVR-104 http://www.xiaoyu163.com...

  • Page 24: Dvr R4 Main Assy (4/5)

    SPDL DRIVER (SP) (SP) (SP) (SP) (SP) L 13942296513 CN801 u163 (SP) : SPINDLE MOTOR SIGNAL : TILT MOTOR SIGNAL : SLIDER MOTOR SIGNAL : LOADING MOTOR SIGNAL : TE SIGNAL ROUTE 2/5, 4/5 : FE SIGNAL ROUTE DVR-104 http://www.xiaoyu163.com...
  • Page 25 : The power supply is shown with the marked box. CAUTION:FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE ONLY WITH SAME TIME NO. ICP-S1.8, MFD BY ROHM CO., LTD. FOR IC409. CN401 POWER SUPPLY CN402 2/5, 3/5 L 13942296513 CN802 u163 DVR-104 http://www.xiaoyu163.com...

  • Page 26: Dvr R4 Main Assy (5/5)

    3.7 DVR R4 MAIN ASSY (5/5) 3 7 63 1515 0 DVR R4 MAIN ASSY (DWX2187) L 13942296513 u163 DVR-104 http://www.xiaoyu163.com...
  • Page 27 3 7 63 1515 0 FOR FREE-RUN ADJ 1st PLL VCO FREE-RUN ADJ L 13942296513 FILTER CHECK FOR FREE-RUN ADJ 2nd PLL VCO FREE-RUN ADJ u163 DVR-104 http://www.xiaoyu163.com...
  • Page 28 V : 2V/div. H : 5µsec/div. (Wobble before BPF) V : 2V/div. H : 2msec/div. V : 500mV/div. H : 200µsec/div. (Disc: CD-R x8 speed) (Disc: CD-R Trk open) (Disc: CD-R 1Trk Jump Reverse) (Wobble before BPF) VSB1 u163 VSB1 DVR-104 http://www.xiaoyu163.com...
  • Page 29 (Disc: CD-R x4 speed Trk open) (Disc: CD-R x8 speed) V : 2V/div. H : 1µsec/div. V : 1V/div. H : 1msec/div. (AC mode) (Disc: DVD-R Unrecode-Recoded) (Disc: DVD-ROM Dual) (FocusJump Layer0- Layer1) VSB1 VSB1 VSB1 u163 VSB1 DVR-104 http://www.xiaoyu163.com...
  • Page 30 Note: The encircled numbers denote measuring point in the schematic diagram. (Refer to pages 18 and 19) IC112-Pin 59 (FE) V : 500mV/div. H : 1msec/div. TP951 (FD_MON) V : 1V/div. H : 1msec/div. (Disc: DVD-ROM Dual) (FocusJump Layer1- Layer0) VSB1 VSB1 L 13942296513 u163 DVR-104 http://www.xiaoyu163.com...

  • Page 31: Pcb Connection Diagram

    Symbol In Schematic Part Name Diagrams Diagrams C E B Capacitor Connector Transistor B C E SIDE A Transistor with resistor B C E Field effect SIDE B P.C.Board Chip Part transistor Resistor array 3-terminal regulator L 13942296513 u163 DVR-104 http://www.xiaoyu163.com...

  • Page 32: Dvr R4 Main Assy

    R201 R202 R203 C819 C820 R205 V+5M C801 C803 C802 R709 C326 R303 R631 R632 IC703 R702 R701 R716 R725 C716 R731 C632 IC631 R700 lot NO. R600 R712 IC704 VR270 S601 C392 GNDD GCMK-M1X D302 u163 (DNP1991-D) DVR-104 http://www.xiaoyu163.com...
  • Page 33 R276 R275 C289 R833 TP718 C610 C276 C273 R279 X601 C294 L601 R647 R646 R294 TP702 C623 C293 R293 R274 C609 IC271 L275 C295 C717 R280 C296 R278 Q701 u163 BLACK CN601 (DNP1991-D) LOADING MOTOR ASSY LOADING SW DVR-104 http://www.xiaoyu163.com...

  • Page 34: Pcb Parts List

    IC230 UPD63600GM-8EV C717 CCSRCH560J50 Q802 2SB1182 C166 CCSRCH5R0C50 Q122 2SC2412K C722, C824, C91- C94 CCSRCH680J50 Q272, Q273, Q401 2SD2114K Q111, Q701 DTA114EUA C71, C74, C77, C80 CCSRCH6R0D50 C281, C282, C411 CEV100M16 Q271 DTA144EUA C407, C410, C412, C424 CEV101M16 DVR-104 http://www.xiaoyu163.com...
  • Page 35 C707, C72, C721, C730, C807 CKSRYF104Z25 u163 C81, C812, C815, C825, C829 CKSRYF104Z25 C83, C832, C833, C846, C847 CKSRYF104Z25 C97- C99 CKSRYF104Z25 C150, C401, C413, C423, C711 CKSRYF105Z10 C713, C731, C733 CKSRYF105Z10 C293, C294 CKSRYF224Z16 C116, C700 (22/6.3V) DCH1130 DVR-104 http://www.xiaoyu163.com...

  • Page 36: Adjustment

    [Focus Position Adjustment of Layer 0] [Focus Position Adjustment of Layer 1] 6.2.6 Playback Ability Confirmation 6.2.7 Recording Ability Confirmation Note: When Traverse Mechanism Assy-S is replaced, adjustment of the mechanism section is not required because of it's u163 DVR-104 http://www.xiaoyu163.com...
  • Page 37 EXCHANGE TRAVERSE MECHA ASSY Mechanical Exchange point TRAVERSE MECHANISM ASSY-S Electric Adjustment and confirmation of the main unit point EXCHANGE PCB ASSY Mechanical Exchange board point DVR R4 MAIN ASSY u163 Electric Adjustment and confirmation of the main unit point DVR-104 http://www.xiaoyu163.com...

  • Page 38: Test Mode

    It becomes each disc mode when entering the following codes. Enter code Mode "0DT" : "Selects CD-ROM mode" "1DT" : "Selects CD-R mode" "2DT" : "Selects CD-RW mode" "3DT" : "Selects DVD-ROM (Single) mode" "4DT" : "Selects DVD-ROM (Dual) mode" "7DT" : "Selects DVD-RWmode" u163 DVR-104 http://www.xiaoyu163.com...

  • Page 39: Adjustment

    Set the value with the command location Adjustment standard Disc None needed value [Procedure] It is automatic adjustment of only a command without setting a disc. u163 "5DT" (Selects 4.7R mode) "1XS" (1x Setup) "+99200000+FR" "2XS" (2x Setup) "+99200000+FR" DVR-104 http://www.xiaoyu163.com...

  • Page 40: Power Adjustment

    [Write Power Low Adjustment] "1AW" Adjust with UP/DN command so that the indication of light power meter becomes 5.34 ± 0.2mW. (When enters the "5UP/5DN", it can send every 5 step.) "EE" (Store the adjustment value in the nonvolatile memory) u163 DVR-104 http://www.xiaoyu163.com...
  • Page 41 Adjust VR2 so that the indication of light power meter becomes 1.44 ± 0.03mW. "LD" (LD FF) Note: When confirm the output power once again after the Playback Power Adjustment, if indication of the light power meter is limit of 1.44 ± 0.06mW, there is not a problem. u163 DVR-104 http://www.xiaoyu163.com...
  • Page 42 "EE" (Store the adjustment value in the nonvolatile memory) About the following adjustment items, a microcomputer performs automatic adjustment. [Write Power Low PD Gain Adjustment] [Write Power High PD Gain Adjustment] [Erase Power Low PD Gain Adjustment] [Erase Power High PD Gain Adjustment] u163 DVR-104 http://www.xiaoyu163.com...

  • Page 43: Radial Tilt Circuit Adjustment

    "7TL" (Obtain the TILT TARGET) "RJ" (REJECT) (2) CD • Clamp the Recorded CD-R disc. "1DT" (Selects CD-R mode) "+200000+PL" (Search for 20 minutes) "2000XN" (Set the 2000RPM_CAV mode) "+99400000+FR" (Tilt automatic adjustment.) if it ends ("R" is returned) "RJ" (REJECT) u163 DVR-104 http://www.xiaoyu163.com...

  • Page 44: Focus Position Adjustment

    "+200000+PL" (Search for 20 minutes) "2000XN" (Set the 2000RPM_CAV mode) "99300000+FR" (Focus Position automatic adjustment ) u163 if it ends ("R" is returned) "RJ" (REJECT) • Perform the Focus Position Adjustment as same step as in the recorded CD-R and CD-RW discs DVR-104 http://www.xiaoyu163.com...

  • Page 45: Playback Ability Confirmation

    "4XN" (Set the CLV 4th speed) "PL" (PLAY) "+20000000+FR" (TOC information readout, etc.) Connect the jitter meter to RFEQOUT and measure the jitter of both total-T edges. Confirm that jitter is less than 12%. "RJ" (REJECT) "RS" (RESET) u163 DVR-104 http://www.xiaoyu163.com...

  • Page 46: Recording Ability Confirmation

    "+ ****** +PL" (Measure the self recording/playback jitter and confirm that jitter is less than 12%.) "RJ" (REJECT) 6.3 Release the Test mode Remove the short-pin which short-circuited in the initial setting, and release the Test mode. DVR-104 http://www.xiaoyu163.com...

  • Page 47: D 7. General Information

    (Front side) (Rear side) Open L 13942296513 ×5 Rear View Clamper Holder R4 ×4 Base Chassis R4 Tray Assy DVR R4 MAIN Assy CN101 CN601 CN803 Front Vessel R4 Push Rod (Red) (Black) Loading Motor Lead Wire u163 DVR-104 http://www.xiaoyu163.com...
  • Page 48 Confirm the position of Clamp Cam R4 there is in the arrow direction. DVR R4 MAIN Assy Traverse Mechanism Assy Clamp Cam R4 CN802 Tray Assy CN402 CN801 Rear Side Exchange L 13942296513 Traverse Mechanism Assy Traverse Mechanism Assy ×2 u163 DVR-104 http://www.xiaoyu163.com...

  • Page 49: Cleaning

    Before shipping out the product, be sure to clean the following positions by using the prescribed cleaning tools: Position to be cleaned Cleaning tools Pickup leneses Cleaning liquid : GEM1004 Cleaning paper : GED-008 Position to be cleaned Cleaning tools Fans Cleaning paper : GED-008 u163 DVR-104 http://www.xiaoyu163.com...

  • Page 50: Parts

    Op code, address, Serial Data Input Serial Data Output Ground 0V Write Control Input AD8062ARM (DVR R4 MAIN ASSY : IC191, IC192) Dual OP-Amp Block Diagram AD8062 OUT1 –IN1 OUT2 –IN2 +IN1 u163 –V +IN2 (Not to Scale) DVR-104 http://www.xiaoyu163.com...
  • Page 51 L/R-Channel. ZEROL/NA Zero Flag Output for L-Channel/No Assign. AGND Mode Control Data Input. Mode Control Clock Input. Mode Control Latch Input. System Clock Input. NOTES: (1) Schmitt-trigger input, 5V tolerant. (2) Schmitt-trigger with internal pull-down, 5V tolerant. u163 DVR-104 http://www.xiaoyu163.com...
  • Page 52 Power and ground for the input buffers and the core logic. Isolated power supply and ground for the output buffers to provide improved noise Data Output Power/Ground u163 immunity. No Connection/ N.C/RFU This pin is recommended to be left No Connection on the device. Reserved for Future Use DVR-104 http://www.xiaoyu163.com...
  • Page 53 M29W400BT70N1 (DVR R4 MAIN ASSY : IC303) 3 7 63 1515 0 SDRAM Block Diagram L 13942296513 Pin Function u163 DVR-104 http://www.xiaoyu163.com...
  • Page 54 PM0032AF (DVR R4 MAIN ASSY : IC108) 3 7 63 1515 0 A3 Chip Pin Assignment (TOP VIEW) Block Diagram L 13942296513 u163 DVR-104 http://www.xiaoyu163.com...
  • Page 55 55-62 RFDET SYS_54M ARFDET PRSY KBLK SYSTEM A(8-0) 163-171 WBLCK D(7-0) 190-197 PLLFO OPCADCK LPPCK XE1WAIT XE0WAIT STEPPER IOEXP L 13942296513 XWAIT MCKIN PORT_A(6-0) 139-145 XINT PORT_B(3-0) 146-149 EX0INT PORT_C0 MCKIN MCKOUT PLL_VDD CPUCKO 119,120 PLL_GND 121,122 u163 DVR-104 http://www.xiaoyu163.com...
  • Page 56 Set the mode (15:0) at TSEL (3:0) pin. TSEL3 Mode setting pin at the test mode Set the mode (15:0) at TSEL (3:0) pin. NRZIEN_M NRZI EN output (MOD output) u163 NRZI_M NRZI output (MOD output) − 3.3V Vdd +3.3V − − DVR-104 http://www.xiaoyu163.com...
  • Page 57 I/O Binarization WBL input (CD) WBL_ORG I/O Binarization WBL input (DVD) 100 WVCOEN WBL VCO ERR EN output 101 WVCOERR WBL VCO ERR output u163 102 WBLVCK WBL VCO CLK input − 103 3.3V Vdd +3.3V − 104 2.5V Vdd +2.5V DVR-104 http://www.xiaoyu163.com...
  • Page 58 I/O General-purpose I/O port (port B3) 150 PWM2_A PWM output (port2_A) 151 PWM2_B PWM output (port2_B) 152 PWM2_C PWM output (port2_C) u163 153 PWM2_D PWM output (port2_D) − 154 3.3V Vdd +3.3V − 155 GND − 156 GND DVR-104 http://www.xiaoyu163.com...
  • Page 59 I/O ASTB latch address bus (bit 6) General-purpose I/O port at parallel bus mode (port D6) 206 AOUT7 I/O ASTB latch address bus (bit 7) General-purpose I/O port at parallel bus mode (port 07) − 207 3.3V Vdd +3.3V − 208 2.5V Vdd +2.5V DVR-104 http://www.xiaoyu163.com...
  • Page 60 Pickup / internal reference voltage output (at REFI pin is 2.5V: 2.25V output) Sub beam signal (E1) input Sub beam signal (F1) input Sub beam signal (G1) input u163 Sub beam signal (H1) input Sub beam signal (E2) input Sub beam signal (F2) input DVR-104 http://www.xiaoyu163.com...
  • Page 61 Sample and hold pulse input for main-beam signal SHAPCR Sample and hold pulse input for Read ALPC SHAPCE Sample and hold pulse input for Erase ALPC u163 SHAPCW Sample and hold pulse input for Write ALPC − GND4 Digital GND DVR-104 http://www.xiaoyu163.com...
  • Page 62 115 AGCIN AGC input 116 RFO Read RF signal output − 117 VCC1 Analog power supply 118 MONI1 Internal signal monitor pin u163 119 WRF Write RF signal output 120 SWRF1 Sample and hold signal output of WRF signal DVR-104 http://www.xiaoyu163.com...
  • Page 63 I/O DMA acknowledge signal u163 I/O channel ready (open drain) It becomes DDMARDY: DSTROBE signal and 3-state pin during Ultra DMA IORDY burst. DIOR I/O Read input signal of host interface It becomes HDMARDY: HSTROBE signal during Ultra DMA burst. DVR-104 http://www.xiaoyu163.com...
  • Page 64 I/O Data bus of buffer memory interface MD10 I/O Data bus of buffer memory interface I/O Data bus of buffer memory interface u163 − DVDD33 3.3V positive power supply for digital (buffer memory block) − DGND Digital GND (buffer memory block) DVR-104 http://www.xiaoyu163.com...
  • Page 65 Jitter detection result output 113 EFM EFM comparator output 114 ASY Asymmetry adjustment voltage input of EFM comparator u163 − 115 AVDD 2.5V positive power supply for analog (EFM comparator block) 116 RFI RF signal input to EFM comparator DVR-104 http://www.xiaoyu163.com...
  • Page 66 3.3V positive power supply for digital − 163 DGND Digital GND 164 AD7 I/O Address/data multiplex bus of Local CPU u163 165 AD6 I/O Address/data multiplex bus of Local CPU 166 AD5 I/O Address/data multiplex bus of Local CPU DVR-104 http://www.xiaoyu163.com...
  • Page 67 3.3V positive power supply for digital − 214 DGND Digital GND u163 215 DOUT Serial audio data output pin L- output when using the internal DAC. 216 EMPH Emphasis discrimination signal L+ output when using the internal DAC. DVR-104 http://www.xiaoyu163.com...

  • Page 68: Panel Facilities

    Make sure the power of the drive is turned off and wait more than one minute till the disc rotation is stopped when access the eject hole. u163 DVR-104 http://www.xiaoyu163.com...
  • Page 69 - Host IDE Interface This is a 40 pin I/O connector according to the ATA specifications. = DC Input Name Function Power supply input for DC +12 V. Ground. Ground. Power supply input for DC +5 V. u163 DVR-104 http://www.xiaoyu163.com...
  • Page 70 3 7 63 1515 0 L 13942296513 u163 DVR-104 http://www.xiaoyu163.com...

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Dvr-a04

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