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Pioneer CX-3311 Service Manual
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Pioneer CX-3311 Service Manual

Pioneer CX-3311 Service Manual

Dvd mechanism module
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DVD MECHANISM MODULE (LS2.5)
CX-3311
- This service manual describes the operation of the DVD mechanism module incorporated in models
listed in the table below.
- When performing repairs use this manual together with the specific manual for model under repair.
AVH-X5700BHS/XNUC, AVH-X4700BS/XNUC
AVH-X4700DVD/XNUW5, AVH-X4750DVD/XNRC, AVH-X4750DVD/XNRD,
AVH-X4750DVD/XNRI, AVH-X4790DVD/XNID
AVH-X5700DAB/XNEW5, AVH-X5700BT/XNUW5, AVH-X5750BT/XNRC,
AVH-X5750BT/XNRD, AVH-X5750TV/XNRD, AVH-X5750BT/XNRI,
AVH-X5790BT/XNID
AVH-X1700S/XNUC, AVH-X1700DVD/XNUW5, AVH-X1750DVD/XNRC,
AVH-X1750DVD/XNRD, AVH-X1750DVD/XNRI, AVH-X1790DVD/XNID
AVH-X2700BS/XNUC, AVH-X2700BT/XNEW5, AVH-X2700BT/XNUW5,
AVH-X2750BT/XNRC, AVH-X2750BT/XNRD, AVH-X2750BT/XNRI,
AVH-X2790BT/XNID
AVH-X3700BHS/XNUC, AVH-X3700DAB/XNEW5
CONTENTS
1. CIRCUIT DESCRIPTION.......................................................................................................................................................2
2. MECHANISM DESCRIPTION .............................................................................................................................................15
3. DISASSEMBLY ....................................................................................................................................................................21
4. DIAGNOSIS .........................................................................................................................................................................32
5. EACH SETTING AND ADJUSTMENT.................................................................................................................................51
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
Model
1-1, Shin-ogura, Saiwai-ku, Kawasaki-shi, Kanagawa 212-0031, Japan
2014
CX-3311
Service manual
DVD Mechanism Module
CRT5614
CXK8100
CRT5615
CXK8100
CRT5616
CXK8100
CRT5617
CXK8100
CRT5618
CXK8100
CRT5619
CXK8100
K-FZZ DEC.
ORDER NO.
CRT5651
2014 Printed in Japan

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Summary of Contents for Pioneer CX-3311

  • Page 1: Table Of Contents

    PIONEER CORPORATION 1-1, Shin-ogura, Saiwai-ku, Kawasaki-shi, Kanagawa 212-0031, 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...

  • Page 2: Circuit Description

    CRG mechanism (equipped with the PU unit) or the mechanism module board is replaced. For details, refer to the Power Adjustment Specifications. CN1101 CDL1 CDL0 106:LPC02 13:78LD 22:IMON 105:CDMPD IC1501 MN2DS0018MA DVDL1 DVDL0 104:LPC01 14:65LD 103:DVDMPD PU Unit CX-3311...
  • Page 3 Gain switching Gain switching VIN7 3 dB, 9 dB 6 dB, 7.5 dB, 9 dB, 10.5 dB 50k Hz MN2DS0018MA LSI After 10 bit ADC FE signal generating circuit 1+Pfbal0,1/0x0100 Fbal coarse Offset Cancel adjustment value 1-Pfbal0,1/0x0100 MN2DS0018MA LSI CX-3311...
  • Page 4 Gain switching Gain switching E+G_E+F 3 dB, 9 dB 6 dB, 7.5 dB, 9 dB, 10.5 dB 50k Hz MN2DS0018MA LSI After 10 bit ADC TE signal generating circuit 1+Ptbal0,1/0x0100 F+H_G+H Tbal adjustment value Offset Cancel 1-Ptbal0,1/0x0100 E+G_E+F MN2DS0018MA LSI CX-3311...
  • Page 5 Process the tracking drive hold with an OFTR signal. 3. Pulling-in check Check that track jump is less than the specified number within the specified period. The pulling-in check will time out in 8.4 msec and be retried upon receiving a command from the microprocessor. CX-3311...
  • Page 6 1-10 Interval Jump 1-10 Interval Jump 11-500 Multi Jump 11-100 Multi Jump 501-1000 Combination of Multi Jump and Interval Jump 101-500 Combination of Multi Jump and Interval Jump 1001-Traverse Seek 501-Traverse Seek Here are the wavefoms of Track Jump. Tracking-on process CX-3311...
  • Page 7 Inward Jump Outward Jump Multi Jump (by 32 tracks) for DVD Inward Jump Outward Jump Traverse Seek (by 1001 track) for DVD Inward Jump Outward Jump COP-COM Traverse Seek (by 10000 track) for DVD Inward Jump Outward Jump COP-COM CX-3311...
  • Page 8 Then, it reads a Frequency Control Value (FCNT) and adjusts the VARI register so that the value will be equal to the target FCNT value. 1.3.3 FE Normalization Adjustment The function is to adjust the FE signal level so that the level measured during Focus Close will be 190LSB at the digital equalizer input stage. CX-3311...
  • Page 9 (EFM demodulation and error correction) and the digital servo processing function for a Spindle Motor. 1.5 DRC BLOCK (MN2DS0018MA : IC1501) The Digital Read Channel (DRC) is equipped with A/D converter, Digital Equalizer (DEQ), Adaptive equalizer, Viterbi detector, Digital PLL circuit, RISC interface, and peripheral circuits to read signals of an optical disc. CX-3311...
  • Page 10 3.3 Reg(VCC33) SDRAM 3.3 V ± 0.033 V IC1480 M12L64164A-5TG2Y-K IC1004 NJM2855DL1-33 Flash-ROM 1 (Program) IC1402 S99-50243D-K Flash-ROM 2 (Data) IC1401 S99-50243D-K Other DVD1chip(3.3 V) DVD LSI 1.2 Reg(VCC12) IC1501 1.2 V ± 0.015 V MN2DS0018MA IC1953 DVD1chip(1.2 V) S-1135D12-A6 CX-3311...
  • Page 11 * CXK8100 and CXK8101 are not equipped with R1508 or IC1801 as they do not support analog audio output. IC1501 IC1801 R1508 DVD-LSI Audio-DAC 220 ohm PCM1753DBQ MN2DS0018MA 156pin 155pin OSCO OSCI DACCLK R1503 1 Mohm 33.8688 MHz or 36.864 MHz X1501 CSS1823-A 27 MHz CX-3311...
  • Page 12 47 kohm or more Audio DAC (Audio GND) (PCM1753) 47 kohm or more 7pin Audio GND C1801 R1803 (Rch) 820 ohm 4.7 uF 23pin MUTE AMUTE Circuit [Digital Audio Signal] IC1501 DVD_LSI L1511 R1504 152pin 6pin 120 ohm VTL1126-A (IECOUT) CX-3311...
  • Page 13 (DV5) IC1501 200 ohm 9,11pin 138pin : Composite LS2.5 Mechanism module VCC33 LPF & 75 ohm Video Driver 12,14,16pin (Cr,Cb,Y) DVD LSI Zo=300 ohm (DV5) IC1501 11,13,15,17pin 129pin : Component Cr 130pin : Component Cb 131pin : Component Y CX-3311...
  • Page 14  CAS latency = 3  8 word burst forwarding  Manual precharge  CAS before RAS refresh (Auto refresh)  Connection Structure of SDRAM DVD-LSI SDRAM IC1501 IC1480 MDQ[15:0] DQ[15:0] MA[11:0] A[11:0] BA[1:0] BA[1:0] NRAS XRAS NCAS XCAS DQM[1:0] DQM[1:0] NCSM MCKI CX-3311...

  • Page 15: Mechanism Description

    2. MECHANISM DESCRIPTION 2.1 OUTLINE Mechanism Module Upper Chassis Rear Bracket Damper Load Carriage Motor PU Unit DVD Core Unit Spindle Motor Front Bracket CX-3311...
  • Page 16 CRG Mechanism Clamp Arm ASSY Roller Arm ASSY SW Arm Disc Guide ASSY CX-3311...
  • Page 17 2. In the case of 12 cm disc, as SW Arm R spreads widely, SW1 switches from ON to OFF, and the microcomputer judges that it is 12 cm disc. Load Carriage Motor PU Unit Rubber Roller SW Arm R DISC CX-3311...
  • Page 18 2.3 DISC CENTERING MECHANISM 1. The 12 cm disc passes under the Guide Pin and the Centering Pin, and is centered at the back position of mechanism. Centering Pin Guide Pin Guide Pin Guide Pin 12 cm disc Centering Pin CX-3311...
  • Page 19 Screw Drive Gear and the carriage operation starts. Clamp Arm Detection Arm Switch Idle Arm Switch Lock Arm Roller Arm Rubber Roller Worm Wheel Switch Idle Gear Drive Lever Jumping Rack Rack Drive Gear Feed Screw Drive Gear Feed Screw Gear CX-3311...
  • Page 20 1. When the Load Carriage Motor reverses and the PU moves SW2 to the inner circumference (beyond ON), the eject operation stars in the inverse process of the above description. 2. Eject completion of 12 cm disc: SW1 ONOFFONOFFON CX-3311...

  • Page 21: Disassembly

    (areas surrounded by blue dashed lines) of Upper Chassis, Front and Rear Bracket. 2. Do not hold in the red areas or the CRG Mechanism Section or insert a foreign object. Doing so may cause deformation. Handling – OK Handling – NG CX-3311...
  • Page 22 3. Stop the motor when the PU reaches the intermediate circumference. (Note) If the PU moves to the outermost circumference, tooth jumping occurs. There is no problem, but prevent tooth jumping as much as possible. Fig.1 Fig.2 Left rear part of mechanism CX-3311...
  • Page 23 Drive Lever to prevent tooth break of the pinion of Drive Gear in the installation. Fig.1 Joint Washer Drive Gear Fig. 2 b. Open lock status a. Eject status c. Empty clamp status / with a gap / without a gap with a gap without a gap CX-3311...
  • Page 24 6. Solder the lead wires. 7. Bring the lead wires together according to "3.5 HOW TO TREAT LEAD WIRES". 8. Connect the FPC with the connector. 9. Remove the soldering that has shorted the land for the FPC. A-hook Fig.5 Fig.6 B-hook CX-3311...
  • Page 25 Fig.2 Fig.3 Fig.4 Fig.6 Tips of the red and black wires should be below the CORE UNIT surface. Upper limit Lower limit Tips of the wires should be above the top surface of Chassis. (They must not touch it.) CX-3311...
  • Page 26 Fixing Screw of Upper Chassis Fig.1 Fig.2 Damper Fig.3 Fig.4 Fig.5 Shaft is inside the spring. OK: Upper part of Damper is flat. Tip of the spring should be within the red circle. Shaft is outside the spring. NG: Damper dents. CX-3311...
  • Page 27 6. Hold A-parts of Roller ASSY, turn in PLAY direction and then slide it to the left and remove it (Fig. 4) (Note) When the Disc Guide ASSY is installed, make sure to install the two Side Gears. Fig.3 Fig.4 Biasing Spring of Roller ASSY Roller ASSY CX-3311...
  • Page 28 4. Turn the Detection Arm completely to the position of OK in Fig.4, and tuck the Clamp Arm ASSY. 5. Install the Right Biasing Spring of Clamp Arm. (Note) When the Clamp Arm ASSY is replaced, replace the Polyester Film with a new one. Fig.4 CX-3311...
  • Page 29 Tuck A-part of Fig.6c while aligning the tip of the plate hole. Support Boss with the plate hole with the fingers (Fig.6b) and install the Idle Arm. b: Engage the Idle Gear with the Worm Wheel. c: Adjust the positioning while checking the external form of plate CX-3311...
  • Page 30 (Fig.5) Judge sufficient movement of A-part based on the position of C-part of Fig.5. Biasing Spring of Drive Lever Fig.1 Fig.2 Fig.4 Fig.5 Idle Gear C-part: NG position Position of insufficient movement C-part: OK position Position of sufficient movement CX-3311...
  • Page 31 2. Insert the flathead screwdriver under A-part of plate which is joined with the Damper, raise the plate and release the clinch. 3. Similarly, insert the flathead screwdriver under C-part, raise the plate, release the clinch and remove the Damper. Caution: Make sure to reinstall the clinch after repair. CX-3311...

  • Page 32: Diagnosis

    ROM replacement is basically necessary by service, but please handle by core unit replacement (as keys and so forth are not written in single Flash units). Normal? FE section check. Go to FE related Is FE section repair process. normal? Replace the unit. Normal? CX-3311...
  • Page 33 <Check> Check the voltage at the “STANBY” test point while the power is on. Check the “DGND1” test point at the reference. Check point Module No. Specification value Unit STANBY - DGND1 VCC33 - 0.6 or more Side A DGND1 STANBY Fig 1.1: STANBY check point CX-3311...
  • Page 34 Check point Module No. Specification value Unit VDD5_1 - DGND1 5.0 ± 0.4 VCC33_1 - DGND1 3.3 ± 0.033 VCC12_1 - DGND1 1.2 ± 0.015 Side A VCC12_1 VCC33_1 VDD5_1 DGND1 Fig 2.2: VDD5, VCC33, VCC12 voltage check points CX-3311...
  • Page 35 <Check> Check the voltage at the “NRES” test point while the power is on. Check the “DGND1” test point at the reference. Check point Module No. Specification value Unit NRES - DGND1 VCC33 - 0.7 or more Side A NRES DGND1 Fig 3.1: Reset check point CX-3311...
  • Page 36 Check the “DGND1” test point at the reference. Check point Module No. Specification value Unit VSENS - DGND1 0.95 - 1.07 * When VD8 = 8.0 ± 0.4 V, the range for VSENS value Side A DGND1 VSENS Fig 4.2: VSENS check point CX-3311...
  • Page 37 Check point Module No. Specification value Unit 27 MHz ± 50 IC1501 156pin - DGND1 Specification value Fig 5.2: Clock specification value Side A DGND1 IC1501 156pin Fig 5.3: 27 MHz check point CX-3311...
  • Page 38 190pin 56 ohm ± 5% DQM0 IC1480 15pin IC1501 179pin 56 ohm ± 5% DQM1 IC1480 39pin IC1501 180pin 56 ohm ± 5% IC1480 20pin IC1501 193pin 56 ohm ± 5% IC1480 21pin IC1501 197pin 56 ohm ± 5% CX-3311...
  • Page 39 Side A Check point 1 (IC1480) Check point 2 (IC1501) Fig 6.2: SDRAM I/F check point CX-3311...
  • Page 40 Check point Module No. Specification value Unit VD8_P - PGND1 8.0 ± 0.4 VD8_A - AGND1 8.0 ± 0.4 VCC5_1 - AGND1 5.0 ± 0.05 Side A AGND1 VCC5_1 VD8_A VD8_P PGND1 Fig 7.2: VD8, VCC5 voltage check points CX-3311...
  • Page 41 Check the “PGND_3 and GNDAU1” test point at the reference. Check point Module No. Specification value Unit VD8_A - PGND_3 8.0 ± 0.4 VCC5_AU - GNDAU1 5.0 ± 0.05 Side A VD8_A PGND3 VCC5_AU GNDAU1 Fig 8.2: VD8, AVCC5 voltage check points CX-3311...
  • Page 42 2.0 V - VCC33V DGND - 0.8 V 33.8688 MHz ± 300 ppm Specification value 1 Specification Specification value 2 value 3 Fig 9.2: Clock specification value Side A DGND4 Check point (IC1501 148pin) Fig 9.3: DACCLK check point CX-3311...
  • Page 43 0.4 V or less Waveform 3 Specification value 2 Specification value 1 Fig 10.2: Serial 3 lines specification value Side A DGND1 IC1501 151pin ADOUT signal IC1501 150pin LRCK signal IC1501 149pin SRCK signal Fig 10.3: Serial 3 lines check points CX-3311...
  • Page 44 Reference waveform 1400 ± 150 mV Waveform 4 1400 ± 150 mV Waveform 4 Specification value is the effective value (rms). Fig 10.4: Analog audio out (LO, RO) specification value. Side A GNDAU1 Fig 10.5: Analog audio out check points CX-3311...
  • Page 45 Reference waveform VCC33V - 0.6 V or more 0.4 V or less Waveform 5 Specification value 2 Specification value 1 Fig 10.6: Digital audio signal (IECOUT) specification value Side A DGND1 Fig 10.7: Digital audio signal (IECOUT) check point CX-3311...
  • Page 46 Waveform 7 700 mVpp ± 5 % Waveform 8 700 mVpp ± 5 % Waveform 9 In case of NG, check the applicable line, periphery of major components in the above drawing, soldering of the peripheral components and defective components. CX-3311...
  • Page 47 Cb signal Specification value BOTTOM PEAK Cr signal Specification value BOTTOM 100 % Color Bars signal Fig 11.3: Waveform for the case of component 100 % color bar output Side A GNDV2 COMPOSITE Fig 11.4: VIDEO signal check points CX-3311...
  • Page 48 (Refer to the FE test mode for the method of displaying the LD energizing time.) 2. If the second digit from the left of the energizing time display is showing E, it means that the flash memory has reached its life. Example: 0E000BB8 CX-3311...
  • Page 49 1 V/div. 5 μsec/div Waveform 1 Waveform 4 CH1 : IECOUT CH1 : SRCK Reference voltage:DGND1 1 V/div. 500 nsec/div Reference voltage:DGND1 1 V/div. 1 μsec/div Waveform 2 Waveform 5 CH1 : LRCK Reference voltage:DGND1 1 V/div. 5 μsec/div Waveform 3 CX-3311...
  • Page 50 200 mV/div. 10 μsec/div Reference voltage:GNDV2 200 mV/div. 5 μsec/div Waveform 6 Waveform 7 [100% Color Bar] [100% Color Bar] CH1 : Cb CH1 : Cr Reference voltage:GNDV2 200 mV/div. 5 μsec/div Reference voltage:GNDV2 200 mV/div. 5 μsec/div Waveform 8 Waveform 9 CX-3311...

  • Page 51: Each Setting And Adjustment

    Press the EJECT key only after the disk has stopped completely. If the product hangs up turn the power OFF immediately. Don't touch the volume for laser power adjustment other than the time of POWER adjustment. (Laser diode may be damaged.) CX-3311...
  • Page 52 (enough to check the level) (In LS2, DVD (x 1.5CLV) MAX RF 6.55 MHz / DVD (x 1.5CLV) MIN RF 1.40 MHz) DISC: DVD TEST DISC (GGV1025) Pioneer CD TEST DISC (TCD-782) Almedio Adjustment screwdriver : crosshead, No.0, nonmetal (ceramic screwdriver for adjustment) Line Locating The following line locating is required.
  • Page 53 Adjust VR in order that this width is within the range of target RF level adjustment value. Power adjustment standard RF level adjustment value (The setup is completed. STEP 12, 26) 848 mV to 892 mV 658 mV to 702 mV CX-3311...
  • Page 54 2.0E – 4 and under 15. Power off. 16. Return to the original position. 17. Set up again (setting of DVD single layer) and conduct the final check of RF level and ERR rate. (Check in the state of Tracking Close) 18. Eject. CX-3311...
  • Page 55 (Check in the state of Tracking Close) 528 mV to 832 mV Refer to FE test mode function flow. 1.0E – 2 and under 32. Eject. Refer to FE test mode function flow. 33. Take out CD TCD-782. 34. Power off. CX-3311...