Page 1
E : Europe X : Australia Figure is DVF-3400 (E) KENWOOD Corp. certifi es this equipment conforms to DHHS Regu- In compliance with Federal Regulations, following are reproduction lations No.21 CFR 1040. 10, Chapter 1, subchapter J. of labels on, or inside the product relating to laser product safety.
Ensure that is displayed. TOKYO, JAPAN e Wait a few seconds, and then switch the system OFF. KENWOOD CORP. CERTIFIES THIS EQUIPMENT CONFORMS TO DHHS REGULATIONS NO. 21 CFR 1040.10, CHAPTER 1, SUBCHAPTER J. Operation to reset The microprocessor may fall into malfunction (impossibility to operate erroneous display, etc.) when the power cord is...
DVF-3400 PARENTAL LOCK / DISASSEMBLY FOR REPAIR hole A (L3) FIG. 1-1 How to Reset Parental Lock 1. Connect the TV set to DVF-3400. FIG. 2-2 2. Push the power switch of DVF-3400 to be on. 3. Check the display of DVF-3400 shown “NO DISC”. 4.
1. POWER CHECK FLOW 2. SYSTEM OPERATION FLOW No 5V No 3.3VA. Power on 1. 8032 initializes SERVO,DSP & RISC registers 2. Write RISC code to SDRAM Is 3.3VA Is 3.3VA 3. Reset RISC section working? section working? Show LOGO Is 3.3V Is 5.6V present at No 3.3VA...
3. SYSTEM TEST FLOW TEST Check the AC Replace power PCBA or AC transformer. Voltage Power PCBA (110V RESET or power on. or 220V) Check connection lines Flash between FLASH & ZR966 Switch on the power PCBA memory operates Show LOGO? and the FLASH access time properly? whether is suitable or not.
Page 9
Check the laser power circuit Laser DVD_LD, Does Motor on ZR966 and connecting to turns on when reading the SLED move Check the connection line CD_LD output properly? Driver DRVSB Pin power transistor. disc? to inner side when it is of DRVSB signal.
Page 10
Check connections between Proper signals on Normal Audio Check connection between Focus on OK? ZR966 and pick-up head. A,B,C,D of ZR966 Audio output when disc DAC received correct ZR966 & Audio DAC. playback? data stream? Check the focus_s connection Check focus_s on ZR966 and motor driver.
1. SYSTEM 27MHz CLOCK, RESET, FLASH R/W SIGNAL 3) RS232 waveform during procedure (Downloading) 1) ZR966 main clock is at 27MHz (X601) FIG 1-1 FIG 1-3 4) Flash R/W enable signal during download (Downloading) 2) ZR699 reset is active high 3.3VA PWR_CTL RESET...
2. SDRAM CLOCK 4. SLED CONTROL RELATED SIGNAL (NO DISC CONDITION) DCLK = 128MHz, Vp-p=2.2, Vmax=2.7V SLED_S(1.9V/1.4V/1.1V) DRVSB(3.3V) SLED+(4.2V/2.8V/1.2V) SLED-(4.2V/2.8V/1.5V) FIG 4-1 FIG 2-1 3. TRAY OPEN/CLOSE SIGNAL 5. LENS CONTROL RELATED SIGNAL (NO DISC CONDITION) INSW FOCUS_S(1.5V/1.4V/1.3V) OUTSW FACT+(3.2V/2.7V/2.2V) FACT-(3.2V/2.7V/2.2V) CLOSE OPEN...
6. LASER POWER CONTROL RELATED SIGNAL 8. FOCUS ON WAVEFORM (NO DISC CONDITION) MDI1(0V/180mV) FOCUS_S CD_LD(3.3V//2.3V) DVD_LD(3.3V/2.3V) FIG 6-1 FIG 8-1 (DVD) 7. SPINDLE CONTROL WAVEFORM (NO DISC CONDITION) SPINDLE_S(1.4V/1.8V) FOCUS_S SP-(3.6V/2.4V) SP+(3.6V/4.8V) FIG 7-1 FIG 8-2 (CD) Note: Waveform number shows check points in schematic diagram...
2) COMPOSITE VIDEO SIGNAL FIG 11-2 12. AUDIO OUTPUT FROM ZR966 FIG 12-1 Note: Waveform number shows check points in schematic diagram...
Page 16
DVF-3400 PC BOARD COMPONENT/PROGRESSIVE SCAN MAIN (SIDE A) VIDEO DIGITAL AUDIO COAXIAL AUDIO JK703 OUTPUT R760 JK702 R759 C741 C715 R755 R720 C712 Q713 R721 C742 R753 R738 C711 Q711 Q702 C705 C729 C718 R761 C713 C719 R724 Q714 C727 R722 IC701 C728...
Page 17
DVF-3400 PC BOARD MAIN (SIDE B) JIG701 JIG702 JIG703 JIG705 JIG704 JIG706 JIG707 JIG708 JIG710 JIG709 TP602 M RESET TP TP601 JIG217 JIG207 JIG229 JIG231 JIG230 JIG228 JIG232 JIG227 JIG224 JIG226 JIG225 SLIT2 JIG641 Refer to the schematic diagram for the values of resistors and capacitors.
Page 19
DC VOLTMETER MEASUREMENT METHOD No Disc Play No Disc Play No Disc Play No Disc Play No Disc Play No Disc Play 1.61 2.47 IC201 3.28 1.51 1.61 0.93 0.0002 0.0005 3.22 2.16 Playback 0.0001 0.001 1.59 1.91 0.0003 0.0005 3.28 3.25 0.16...
Page 20
DVF-3400 MAIN : WAVEFORM POINT (Refer to Service Manual) P6601 DUPTD0 DUPRD0 +3.3VA P6602 DUPTD1 DUPRD1 +1.8V R249 33K C225 0.1 R640 P6901 R229 R230 1K POWER JIG641 C226 0.1 ∗ MOTOR DRIVE IC201 L611 C655 0.1 MUTE VINFC L612 BIAS +3.3VA Q203...
Page 22
DVF-3400 PW6101 M.GND +3.3VA L610 +3.3V SMPS- P101 A.GND +1.8V-1 +3.3VA-4 3.3VA +3.3VA 3.3VA +3.3V 3.3V P3701 D.GND R651 12V 1 4.7K 16 9 H C627 CTL LH 220u6.3 CVBS OUT C628 L623 RGB H 0.01 R OUT C629 G OUT 0.01 B OUT DVD AUDIO L...
Page 23
DVF-3400 DESTINATION C701,704,705, L702, R730, R765,768, IC604 Q714 R780 708,790 727,729 757,758 771,772 COUNTRY ABB. EUROPE KV2020302ZIC AUSTRALIA KV2020304ZIC 150PF SCART (E) TYPE ONLY JK301 PLUG SCREEN EARTH Q301 VIDEO INPUT VIDEO OUTPUT BLANKING SIGNAL EARTH IC201 : AM5890 R305 IC601 : ZR36966ELCG-D P3701 VIDEO EARTH...
Page 24
DVF-3400 TIMER DIG901 DIG.1 DIG.2 DIG.3 DIG.4 DIG.5 RC901 REMOTE SENSOR R904 SW902 OPEN/ IC901 CLOSE R905 SW904 CN901 D OUT DOUT PLAY D IN MAIN- P6901 SW905 +3.3VA SG14/GR5 R901 STOP L901 SG1/KS1 SG13/GR6 SW906 SG2/KS2 SG12/GR7 SG3/KS3 SG11 R906 SG10/KS10 POWER...
DVF-3400 EXPLODED VIEW (MECHANISM) 1.7x7 N09-5550-08 1.7x3 N09-5565-08 2.0x6 (BLK) N89-2006-43 DVF-3400 Parts with the exploded numbers larger than 700 are not supplied.
Page 26
(YEL) (R/W) (BLK) R: DVF-3400-B (SLV/BLK) : N09-5521-08 3x10 : N09-5520-08 M3x8(BLK) : N89-3008-43 TO TV 3x10(BLK) : N89-3010-43 JK301 3x8(BLK) : N09-5551-08 5.1CH 3x6.5 : N09-5574-08 SCART PCB OUTPUT JK702 DIG901 POWER OPEN/CLOSE PLAY STOP REVERSE FORWARD MAIN PCB...
Add- Desti- Parts No. Description Ref. No. Parts No. Description ress Parts nation marks ress Parts nation marks DVF-3400-S (S) / DVF-3400-B (B) C128 C90-5842-08 FILM 0.1UF C153 CD04BJ1H4R7M ELECTRO 4.7UF 50WV ✽ B60-5680-08 Inst.manual (EN) MFL36465758 C154 CD04BJ1H010M ELECTRO 1.0UF...
Page 28
✽ New parts ✽ New parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
✽ New parts ✽ New parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
Page 30
✽ New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. Add- Desti- Ref. No. Parts No. Description ress Parts nation marks D16-0812-08 Belt 4400R-0010A...