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CD RECEIVER
KDC-W9537U/W9537UY
KDC-X9006U/X991
SERVICE MANUAL
TDF SPARE-PANEL
MODEL
TDF PANEL No. TDF NAME
KDC-W9537U/W9537UY
Y33-2790-62
KDC-X991
Y33-2790-60
KDC-X9006U
Y33-2790-61
KDC-W9537U
KDC-W9537UY
(E type)
KDC-X991
(K type)
KDC-X9006U
(M type)
DC cord (K,M type)
Plastic cabinet assy (M type)
(E30-6408-05)
(A02-2732-03)
DC cord (E type)
Carrying case
(E30-6412-05)
(W01-1664-05): K type
(W01-1692-05): E type
Ferrite core (E type)
(L92-0638-05)
CD MECHANISM EXTENSIONCORD (24P) : W05-0934-00
TDF-W9537U
TDF-79DX
TDF-X9006U
WOW HD
WOW HD
WOW HD
Remote controller assy
(A70-2085-05)
RC-547
Compact disc
(W01-1704-05)
Screw set (K,M type)
Tapping screw
(N99-1758-05)
(N09-6280-05)
This product complies with the
© 2007-6 PRINTED IN JA PAN
B53-0551-00 ( N ) 521
KDC-W9537U
Panel assy
/PTY
(A64-4091-02)
KDC-X991
Panel assy
PTY/C.S.
(A64-4090-02)
KDC-X9006U
Panel assy
(A64-4092-02)
Escutcheon
(B07-3125-01)
SIZE AA BATTERY
(Not supplied)
Lever
Mounting hardware assy
(D10-4589-04) x2
(J21-9716-03)
This product uses Lead Free solder.
RoHS
directive for the European market.
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Summary of Contents for Kenwood KDC-W9537U
- Page 1 CD RECEIVER KDC-W9537U/W9537UY KDC-X9006U/X991 SERVICE MANUAL © 2007-6 PRINTED IN JA PAN B53-0551-00 ( N ) 521 TDF SPARE-PANEL CD MECHANISM EXTENSIONCORD (24P) : W05-0934-00 MODEL TDF PANEL No. TDF NAME KDC-W9537U/W9537UY Y33-2790-62 TDF-W9537U KDC-X991 Y33-2790-60 TDF-79DX KDC-X9006U Y33-2790-61 TDF-X9006U...
- Page 2 KDC-W9537U/W9537UY KDC-X9006U/X991 BLOCK DIAGRAM (X92-587) (X34-482) AUX IN (MINI PIN) SERVO RIPPLE REF+B PRE OUT B.U5V SPE. ANA. (FRONT) PRE OUT LEVEL IC860- (REAR) MUTE MUTE IC830 IC831 SHIFT IC480 PRE OUT DSP3.3V IC703 D3.3V (SW) IC450 A3.3V ACGND IC702...
- Page 3 KDC-W9537U/W9537UY KDC-X9006U/X991 BLOCK DIAGRAM CD PLAYER UNIT (X32-598x-xx) MOTHER BOARD (X34- ) DPU1 MRST D.GND MSTOP MSTOP A,B,C,E,F LEVEL SHIFT DATA LEVEL SHIFT DATA 1 CHIP IC RF AMP LEVEL SHIFT MUTE SERVO MUTE PROCESSOR (0-00),(0-01) ONLY L-ch MICRO R-ch...
- Page 4 KDC-W9537U/W9537UY KDC-X9006U/X991 COMPONENTS DESCRIPTION ● SWITCH UNIT (X16-3980-10) Ref. No. Application / Function Operation / Condition / Compatibility FLASH ROM Storage of graphics data and customized display data. SPECTRUM ANALYZER IC 6ch band pass fi lter. Control in panel. PANEL µ-COM Power management, OEL control, LED control, Key matrix, etc.
- Page 5 KDC-W9537U/W9537UY KDC-X9006U/X991 COMPONENTS DESCRIPTION Ref. No. Application / Function Operation / Condition / Compatibility Select analog source & Full source volume. * Analog source: AM/FM, Changer, AUX. Digital source is selected by SoC. (CD, USB, IC480 Source Selector & Electrical Volume Internal memory) Speaker out “DC-Offset”...
- Page 6 KDC-W9537U/W9537UY KDC-X9006U/X991 COMPONENTS DESCRIPTION Ref. No. Application / Function Operation / Condition / Compatibility Q22,23 Switch5V Active time is “Power on”. Q30,31 Panel Mecha Motor AVR Active time is “Power on”. Motor / Servo enable Active time is “Power on”.
- Page 7 KDC-W9537U/W9537UY KDC-X9006U/X991 COMPONENTS DESCRIPTION Ref. No. Application / Function Operation / Condition / Compatibility Q368 Preout mute switch Rear Rch Q400,401 AM+B switch Active time is “AM” source. Q500,501 Panel detect switch When connect panel, it is on. DSI lights when this Tr on.
- Page 8 KDC-W9537U/W9537UY KDC-X9006U/X991 MICROCOMPUTER’S TERMINAL DESCRIPTION ● SYSTEM MICROCOMPUTER: 30624MWPB56GP (X34: IC500) Truth Pin No. Pin Name Application Processing Operation Description Value Table WIRED_REMO Remote control input Pulse width detection Not used in models without remote control Output L fi xed...
- Page 9 KDC-W9537U/W9537UY KDC-X9006U/X991 MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Pin No. Pin Name Application Processing Operation Description Value Table TUN_SDA I/O F/E I2C data input/output terminal 400k PAN_SYS_DATA System µ-com → Panel data UART MAX 500k PAN_PAN_DATA Panel → System µ-com data UART MAX 500k Panel →...
- Page 10 KDC-W9537U/W9537UY KDC-X9006U/X991 MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Pin No. Pin Name Application Processing Operation Description Value Table Panel LED H: ON, L: OFF PON_ILL FL fi lament power supply Turned OFF when the display is black out. FL bias power supply control Turned OFF when panel is dismounted/opened.
- Page 11 KDC-W9537U/W9537UY KDC-X9006U/X991 MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Pin No. Pin Name Application Processing Operation Description Value Table PWIC_STBY Power IC standby terminal POWER ON: H, POWER OFF: L TEL MUTE: 1V or lower (J: NAVI MUTE) LINE_MUTE Line mute detection NAVI MUTE: 2.5V or higher (To the entire destination)
- Page 12 KDC-W9537U/W9537UY KDC-X9006U/X991 MICROCOMPUTER’S TERMINAL DESCRIPTION Truth value table q CD_MOTOR, CD_LOEJ CD_MOTOR CD_LOEJ Standby Eject Load Brake Hi-z w PANEL MOTOR control OPEN CLOSE STOP WAIT PM_MOT1 Connect to IN1 PM_MOT2 Connect to IN2 e PANEL MECHANISM control FULL_OPEN FULL_CLOSE...
- Page 13 KDC-W9537U/W9537UY KDC-X9006U/X991 MICROCOMPUTER’S TERMINAL DESCRIPTION ● PANEL MICROCOMPUTER 703134AGJ017A (X16-398: IC4) Pin No. Pin Name Application Processing Operation Description D14~D8 I/O Data input/output 3.3VDD 3.3V 10~17 D7~D0 I/O Data input/output OEL_RST I/O OEL controller RESET output H: Clear RESET, Hi-Z: RESET SYS_REQ System µ-com communication request input...
- Page 14 KDC-W9537U/W9537UY KDC-X9006U/X991 MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No. Pin Name Application Processing Operation Description 3.3VDD 57,58 X2, X1 Clock input 8MHz, internal 80MHz CVSS CKSEL Clock generator operational mode input Direct connection to GND Input of input frequency selection signal in VDD connection when the main clock is 5.5MHz or above,...
- Page 15 KDC-W9537U/W9537UY KDC-X9006U/X991 MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No. Pin Name Application Processing Operation Description For checking the SRAM production technology SRAMCHK OK: H, NG: L (check land is needed) implementation Output L fi xed Data input request to memory (writing-in) L: Write the data in memory, Hi-Z: Wait...
- Page 16 KDC-W9537U/W9537UY KDC-X9006U/X991 TEST MODE ● How to enter the test mode ● Specifi cation of FST soft mute adjustment mode Press and hold the [FNC] and [AUD] keys and reset. (While 1. R e c e i ve t h e T U N E R F M m o d e i n t h e L O U D O F F “–...
- Page 17 KDC-W9537U/W9537UY KDC-X9006U/X991 TEST MODE ● MENU • Pressing the [ ] key goes back by 1 track from the track being played. • Press the [FNC] key briefly to make the multi-function • While in CD source, press the [1] key briefl y ([1] key for display and press the [ ] key briefl...
- Page 18 KDC-W9537U/W9537UY KDC-X9006U/X991 TEST MODE [FM] Key pressed briefl y: ROM correction version is displayed. Key pressed briefl y: CD operation time is displayed. (Display) R1234_ _ _ (Display) CDTim_0H××_ ( 00~50 is displayed for “xx”. When E2PROM is not installed: ERR_ _ _ _ _ When less than 1 hour, When not written in: R –...
- Page 19 KDC-W9537U/W9537UY KDC-X9006U/X991 TEST MODE ● Other ↓ CD time code error count data display (count not updated) • When Power ON, do not display “CODE_NG”, “CODE_ (Display) C o u n t _ S t a y [FM] OFF” and “CODE_ON”.
- Page 20 KDC-W9537U/W9537UY KDC-X9006U/X991 TEST MODE 3. While the DC error detection condition is being displayed 3. After the initialization process is completed, the following as above, press and hold [1] key for 2 seconds to clear is displayed. the information about the improper connection and other When successfully completed detection.
- Page 21 KDC-W9537U/W9537UY KDC-X9006U/X991 TEST MODE • How to register the security code on the “Car 5. Then, press [ ] key for 3 seconds or longer, which will display “APPROVED”. This completes the security code Audio Passport” sheet after replacing E2PROM registration.
- Page 22 KDC-W9537U/W9537UY KDC-X9006U/X991 DC OFFSET ERROR ● Cancel Condition • Controlling µ-com terminal • Set Mute for all channels including for pre-out. • Press the Reset terminal on the main body. Or set Backup • Turn off power IC control system power supply. (Set AMP- to OFF (Unplug and plug back in the DC connector).
- Page 23 KDC-W9537U/W9537UY KDC-X9006U/X991 PC BOARD (COMPONENT SIDE VIEW) (FOIL SIDE VIEW) SWITCH UNIT SWITCH UNIT X16-3980-10 (J76-0398-12) X16-3980-10 (J76-0398-12) IC12 CP10 TRST CP18 CP13 CP23 CP12 CP31 SCK2 CP15 CP20 CP33 CP16 CP14 MODE1 PAN RST FROMCHK SRAMCHK PAN5V CP34 CP32...
- Page 24 KDC-W9537U/W9537UY KDC-X9006U/X991 PC BOARD (COMPONENT SIDE VIEW) ELECTRIC UNIT X34-482x-xx (J76-0399-12) J420 R470 C900 C901 IC450 13 11 12 8 R467 D366 D365 D368 D367 D370 R457 C423 CN361 R431 C456 C466 C110 R915 R133 C379 D411 C109 R413 R414...
- Page 25 KDC-W9537U/W9537UY KDC-X9006U/X991 X34-482x-xx Ref. No. Address IC10 C904 IC80 IC100 IC300 IC310 IC350 R457 IC10 IC361 R161 C181 IC362 Q180 IC363 C170 C180 C350 R132 R170 IC450 R131 R171 C122 D121 R126 R128 IC500 L350 IC600 C351 D120 C354 IC650...
- Page 26 KDC-W9537U/W9537UY KDC-X9006U/X991 PC BOARD (FOIL SIDE VIEW) ELECTRIC UNIT X34-482x-xx (J76-0399-12) TP626 TP600 TP588 TP595 TP637 TP629 TP625 TP617 TP621 TP635 TP627 TP623 TP619 C359 R357 D141 D151 Q358 TP578 R356 R358 D150 D140 R107 TP631 R354 Q357 Q352 IC140...
- Page 27 KDC-W9537U/W9537UY KDC-X9006U/X991 X34-482x-xx Ref. No. Address Ref. No. Address IC83 IC101 IC140 Q100 IC320 Q101 IC340 Q103 TP501 TP710 IC480 Q150 TP562 TP560 TP573 TP711 TP507 IC510 Q151 TP571 TP561 TP577 IC520 Q350 IC530 Q351 TP596 IC701 Q352 IC703 Q353...
- Page 28 KDC-W9537U/W9537UY KDC-X9006U/X991 PC BOARD (COMPONENT SIDE VIEW) CD PLAYER UNIT X32-5980-02 (J76-0377-02) R28 R27 X32-5980-02 Ref. No. Address Refer to the schematic diagram for the values of resistors and capacitors.
- Page 29 KDC-W9537U/W9537UY KDC-X9006U/X991 PC BOARD (FOIL SIDE VIEW) CD PLAYER UNIT X32-5980-02 (J76-0377-02) P-ON2 P-ON1 IOP+ R105 R101 R100 FCS+ R103 FCS- A3.3V NPWDOWN R129 R128 C15 R13 TP24 CP11 R132 OCDSEL R102 TESTIN0 /MRST /MUTE FCLK /MSTOP LO/EJ MOTOR BU5V...
- Page 30 KDC-W9537U/W9537UY KDC-X9006U/X991 PRE OUT AUX IN (X34-482x-xx) CN361 12 11 10 9 8 7 6 5 4 3 2 1 J410 TP710 R415 5V PRE AMP C413 0.01 TP711 D410 SUB(+REAR) D411 9.5V 9.5V IC361 IC362 IC363 9.5V D412 -9.0V -9.0V...
- Page 31 KDC-W9537U/W9537UY KDC-X9006U/X991 J420 ∗ C901 0.01 TP588 C475 R454 ∗ R457 1u16 C451 C900 5L I/F 0.01 98-100 IC450 D426 C450 D422 D428 D450 D425 D420 D423 5.0V D421 D427 R466 D424 R194 W511 2.2K R195 100K POWER R440 TP568...
- Page 32 KDC-W9537U/W9537UY KDC-X9006U/X991 UCOM5V UCOM5V PON5V TP587 98-100 CP505 TP597 TP585 IC520 5.0V IC510 (INSTALLER MEMO) C511 C510 CP504 4.7K TP586 TP599 0.01 1000P 5.0V 5.0V R433 C509 0.01 R471 RESET 100K TP584 R215 100K UCOM5V R194 R214 5.0V 2.2K S SYS REQ WIRED REMO R182 2.2K...
- Page 33 KDC-W9537U/W9537UY KDC-X9006U/X991 to DC CORD FUSE TP631 TP633 TP636 ∗ ∗ TP643 4700P 4700P IC10 13.7V ∗ ∗ 4700P 4700P 1.3V ∗ ∗ 4700P 4700P 3900u16 ∗ ∗ ∗ 4700P 4700P C904 0.01 TP637 BU5V BU5V BU5V PON5V TP600 TP632...
- Page 34 KDC-W9537U/W9537UY KDC-X9006U/X991 PON5V PON5V R861 R862 C860 R860 4.7K 4.7K 3.9K 10u16 3.3V IC712 C861 R863 3.3V TP643 R816 3.3V 270P 6.8K Q707 3.3V R902 R866 C864 8.0V R864 R865 3.9K 10u16 3.3V 6.8K 4.7K IC862 3.3V C756 SOC3.3V 0.01...
- Page 35 KDC-W9537U/W9537UY KDC-X9006U/X991 PON5V PON5V DSP3.3V X830 SOC3.3V C832 C836 C838 SOC1.8V 11.2896MHz 1.3V Q703 11.2896MHz R831 220 SDOUT4 3.3V Q705 R832 220 SDOUT5 AINL8 3.3V R827 220 CLKO1 AINR8 3.3V AINL7 DVDD Q706 AINR7 Q704 AINL6 DVSS VSSIO AINR6 SDIN1...
- Page 36 KDC-W9537U/W9537UY KDC-X9006U/X991 READY SOC3.3V SOC3.3V SOC1.8V SOC1.8V 3.3V C761 0.01 CP712 3.3V VSSIO 3.3V 3.3V 3.3V 3.3V 3.3V 3.3V T MCKI 3.3V 3.3V 3.3V 3.3V T SDTI 3.3V 3.3V 3.3V 3.3V ZERO DET VSSIO 3.3V C762 TA12 CP706 10 TA11 CP713 0.01...
- Page 37 KDC-W9537U/W9537UY KDC-X9006U/X991 DTA123JK DAN202U SOC3.3V DTC114YUA SDRAM IC714 C764 DTC124EE 3.3V 0.01 3.3V VSS1 VDD3 DTC143TUA DTC143ZE 2SA1576A 2SB1295-E 2SC4617 KTA1046-P 3.3V NC36 SDCS UDQM UDQM C765 C761 NC40 LDQM LDQM 0.01 0.01 3.3V VSS2 VDD2 CP718 3.3V 2SB1188 VDDQ3...
- Page 38 KDC-W9537U/W9537UY KDC-X9006U/X991 (X16-3980-10) SW3.3V SW3.3V C9 10 R13 2.2K FLASH ROM 3.3V 270K 1.4V CP7 47K SW5V CP1 22K 270K NOT USED (ROM CORRECTION) 3.3V LNNF 3.3V RESET 2.4V 3.3V LNIN R-WE 3.3V R43 47K 4.7K RENF NC54 R44 47K 3.3V...
- Page 39 KDC-W9537U/W9537UY KDC-X9006U/X991 CAUTION : For continued safety, re place safe ty critical com po nents only with manufacturer’s rec om mend ed parts (refer to parts list). Indicates safety critical com po nents. To reduce the risk of electric shock, leakage-cur rent or re sis tance mea sure ments shall be carried SW3.3V...
- Page 40 KDC-W9537U/W9537UY KDC-X9006U/X991 CD PLAYER UNIT (X32-598x-xx) A3.3V 3.3V A8V SW ∗ ∗ ∗ D.GND A3.3V ∗ A.GND 1.5V ∗ 16.934MHz Q1 SW ASEL OCDSEL ∗ 5V-3.3V 4.00pp LEVEL 2.45pp SHIFT BCLK 3.3V LRCK 3.3V 0-3.3V ∗ SRDATA 0-3.2V 3.3V R106...
- Page 41 KDC-W9537U/W9537UY KDC-X9006U/X991 A3.3V A.GND CAUTION : For continued safety, re place safe ty critical com po nents only with manufac- turer’s rec om mend ed parts (refer to parts list). ∗ Indicates safety critical com po nents. To re- C71 10 ∗...
- Page 42 KDC-W9537U/W9537UY KDC-X9006U/X991 EXPLODED VIEW (CD MECHANISM) DPU1 DFPC1 (X32) φ : N09-4460-15 M1.6x6.0 : N09-6317-05 M1.7x2.5 : N09-6004-15 M2x2 : N09-6007-15 φ 2x5(BLK) : N09-6051-15 1.6 WASHER : N19-2163-04 M2x2 : N39-2020-48 φ 2x3.5 : N09-6108-15 φ : N09-6155-15 Parts with the exploded numbers larger than 700 are not supplied.
- Page 43 KDC-W9537U/W9537UY KDC-X9006U/X991 EXPLODED VIEW (UNIT) DME1 SIZE AA BATTERY (Not supplied) (X34) W400 M2x2 : N09-6269-05 M2x2.5 : N09-6326-05 M1.7x2 : N09-6140-05 M2.6x6 : N78-2660-48 M2x2 : N09-6141-05 M2x3.5 : N09-6108-15 M2x2.5 : N09-6142-05 : N80-2008-43 φ2x8 : N09-6190-05 : N83-3005-48 φ1.7x4.5...
- Page 44 PAN HEAD TAPTITE SCREW E39-0736-05 FLAT CABLE N86-2004-43 BINDING HEAD TAPTITE SCREW F29-0626-04 INSULATING COVER T42-1086-14 MOTOR ASSY E1 : KDC-W9537U E2 : KDC-W9537UY (Europe) Indicates safety critical com po nents. K1 : KDC-X991 (North America) M1 : KDC-X9006U (Other Areas)
- Page 45 CHIP R J 1/10W L78-1211-05 RESONATOR (8.000MHZ) RK73GB2A473J CHIP R J 1/10W RK73GB2A102J CHIP R 1.0K J 1/10W E1 : KDC-W9537U E2 : KDC-W9537UY (Europe) Indicates safety critical com po nents. K1 : KDC-X991 (North America) M1 : KDC-X9006U (Other Areas)
- Page 46 1.0UF RK73GB2A104J CHIP R 100K J 1/10W CK73GB1H223K CHIP C 0.022UF K RK73GB2A823J CHIP R J 1/10W E1 : KDC-W9537U E2 : KDC-W9537UY (Europe) Indicates safety critical com po nents. K1 : KDC-X991 (North America) M1 : KDC-X9006U (Other Areas)
- Page 47 ✽ CE32BD1C100M CHIP EL 10UF 16WV C412 CE32BD0J470M CHIP EL 47UF 6.3WV C413 CK73GB1H103K CHIP C 0.010UF K E1 : KDC-W9537U E2 : KDC-W9537UY (Europe) Indicates safety critical com po nents. K1 : KDC-X991 (North America) M1 : KDC-X9006U (Other Areas)
- Page 48 CHIP C 1.0UF C890 CC73GCH1H151J CHIP C 150PF C738 CK73GB1A105K CHIP C 1.0UF C893 CK73FB1A225K CHIP C 2.2UF E1 : KDC-W9537U E2 : KDC-W9537UY (Europe) Indicates safety critical com po nents. K1 : KDC-X991 (North America) M1 : KDC-X9006U (Other Areas)
- Page 49 RK73FB2B683J CHIP R J 1/8W RK73GH2A243D CHIP R D 1/10W R133 RK73GH2A222D CHIP R 2.2K D 1/10W E1 : KDC-W9537U E2 : KDC-W9537UY (Europe) Indicates safety critical com po nents. K1 : KDC-X991 (North America) M1 : KDC-X9006U (Other Areas)
- Page 50 CHIP R J 1/4W R354 RK73GB2A752J CHIP R 7.5K J 1/10W R491,492 RK73GB2A101J CHIP R J 1/10W E1 : KDC-W9537U E2 : KDC-W9537UY (Europe) Indicates safety critical com po nents. K1 : KDC-X991 (North America) M1 : KDC-X9006U (Other Areas)
- Page 51 RK73GB2A473J CHIP R J 1/10W R721 RK73GB2A473J CHIP R J 1/10W R820,821 RK73GB2A473J CHIP R J 1/10W E1 : KDC-W9537U E2 : KDC-W9537UY (Europe) Indicates safety critical com po nents. K1 : KDC-X991 (North America) M1 : KDC-X9006U (Other Areas)
- Page 52 0 OHM J 1/16W E1E2 IC100 NJM4565V-ZB ANALOGUE IC W340 R92-1252-05 CHIP R 0 OHM J 1/16W K1E1E2 E1 : KDC-W9537U E2 : KDC-W9537UY (Europe) Indicates safety critical com po nents. K1 : KDC-X991 (North America) M1 : KDC-X9006U (Other Areas)
- Page 53 TRANSISTOR D13-2152-04 GEAR 2SC5053 TRANSISTOR D13-2153-04 GEAR UMC2N TRANSISTOR RTQ025P02 D13-2154-04 GEAR DTC124EE DIGITAL TRANSISTOR D13-2155-04 WORM E1 : KDC-W9537U E2 : KDC-W9537UY (Europe) Indicates safety critical com po nents. K1 : KDC-X991 (North America) M1 : KDC-X9006U (Other Areas)
- Page 54 SEMS (TAPTITE SCREW) (PT 2X6) T42-1066-14 DC MOTOR ASSY (SP) T42-1067-14 DC MOTOR ASSY (LO&SL) DPU1 X93-2130-01 OPTICAL PICKUP ASSY E1 : KDC-W9537U E2 : KDC-W9537UY (Europe) Indicates safety critical com po nents. K1 : KDC-X991 (North America) M1 : KDC-X9006U (Other Areas)
- Page 55 KDC-W9537U/W9537UY KDC-X9006U/X991 PARTS LIST CAPACITORS 2 2 0 • Capacitor value CC45 Color* 010 = 1pF 0 = 22pF 1 = Type ... ceramic, electrolytic, etc. 4 = Voltage rating 100 = 10pF 2 = Shape ... round, square, etc.
- Page 56 D/A Converter ..............1 Bit Weight ............3.31lbs (1.5kg) Spindle Speed ......1000~400rpm (CLV 2 times) DANGER: KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be Please do not look at the laser beam directly during changed without notice.