Kenwood KCD-BT6544U/UY Service Manual
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Kenwood KCD-BT6544U/UY Service Manual

Kenwood KCD-BT6544U/UY Service Manual

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CD RECEIVER
KDC-BT6544U/UY
KDC-BT7043U
KDC-BT742U
SERVICE MANUAL
Panel assy
KDC-BT6544U/UY (A64-4736-02)
Panel assy
KDC-BT742U (A64-4735-02)
Mounting hardware assy
(J22-0789-03)
* Screw (4x16)
* Screw set
(N84-4016-48)
(N99-1757-15)
* Depends on the model. Refer to the parts list.
KDC-BT6544U
Bluetooth
KDC-BT742U
Bluetooth
* DC cord
* DC cord
(E30-6428-05)
(E30-6671-05)
Lever
* Plastic cabinet assy
(D10-7049-04) x2
(A02-2755-23)
© 2009-1 PRINTED IN JA PAN
B53-0698-00 ( N ) 429
Panel assy
KDC-BT7043U (A64-4738-02)
TDF SPARE-PANEL
MAIN UNIT NAME
TDF PARTS No.
KDC-BT6544U
Y33-3072-71
KDC-BT6544UY
Y33-3072-71
KDC-BT7043U
Y33-3070-21
KDC-BT742U
Y33-3070-10
Remote controller assy (RC-547)
(A70-2085-15)
* Escutcheon
(B07-xxxx-xx)
This product uses Lead Free solder.
RoHS
This product complies with the
KDC-BT7043U
Bluetooth
TDF NAME
TDF-BT6544U
TDF-BT6544U
TDF-BT7043U
TDF-BT97D
Battery
(Not supplied)
* Carrying case
(W01-1710-05)
directive for the European market.

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Summary of Contents for Kenwood KCD-BT6544U/UY

  • Page 1 CD RECEIVER KDC-BT6544U/UY KDC-BT7043U KDC-BT742U SERVICE MANUAL © 2009-1 PRINTED IN JA PAN B53-0698-00 ( N ) 429 Panel assy Panel assy KDC-BT7043U (A64-4738-02) KDC-BT6544U/UY (A64-4736-02) KDC-BT6544U KDC-BT7043U Bluetooth Bluetooth Panel assy KDC-BT742U (A64-4735-02) TDF SPARE-PANEL MAIN UNIT NAME TDF PARTS No. TDF NAME KDC-BT6544U Y33-3072-71...
  • Page 2 ELECTRIC UNIT (X34- ) ∗ IC240 SW5V DSP5V ∗ IC241 ∗ DME1 Q440,442, MEMORY ∗ 450,451, J420 ∗ PRE OUT CD MECHA SERVO IC260 460,462 (FRONT) BU5V ∗ X92-6320-00 PRE OUT (W/O USB MODEL) MUTE (REAR) Q441,461 PRE OUT SW MUTE (SW) X92-6360-00 IC200...
  • Page 3 CD PLAYER UNIT (X32-6260-00) MOTHER BOARD DPU1 (X34- ) SIGNAL A/B/C/E/F CD SI DATA S CD SO REQ A LEVEL BUCK CD CLK MSTOP SHIFT MSTOP CD REQ DSP REQ MRST MRST RF AMP SERVO SRAMSTB CD SRAMSTB PROCESSOR CD RST Z DET ZDET IN DATA M...
  • Page 4 KDC-BT6544U/BT6544UY /BT7043U/BT742U COMPONENTS DESCRIPTION ● ELECTRIC UNIT (X34-629x-xx) Ref. No. Application / Function Operation / Condition / Compatibility IC10 Audio 8V REF / Power Supply Outputs 1.27V. IC70 Digital AVR for Panel & USB Switching regulator for USB&VBUS and FDC (5V). IC150 Power Control SW USB power control switch with over current detection and protection.

  • Page 5: Components Description

    KDC-BT6544U/BT6544UY /BT7043U/BT742U COMPONENTS DESCRIPTION ● SWITCH UNIT (X16-6500-21) Ref. No. Application / Function Operation / Condition / Compatibility Remote Controller Remote control receiver. PAN5V When the base goes Hi, PAN5V is supplied for IC2. Key Scan Timing Adjustment When the base goes Hi, key scan starts. PAN5V When the base of Q5 goes Hi, PAN5V is supplied for IC2.

  • Page 6: Microcomputer's Terminal Description

    KDC-BT6544U/BT6544UY /BT7043U/BT742U MICROCOMPUTER’S TERMINAL DESCRIPTION ● SYSTEM μ-COM: IC302 on X34- (ELECTRIC UNIT) Truth Value Pin No. Pin Name Application Processing / Operation / Description Table External remote control input and panel remote REMO control input LX REQ M Communication request to slave unit B SYS DATA Serial output to Bolero B MECHA DATA...
  • Page 7 KDC-BT6544U/BT6544UY /BT7043U/BT742U MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Value Pin No. Pin Name Application Processing / Operation / Description Table Detects pulse width ROTARY CCW VOL key detection (Counterclockwise) TDF: 15-pulse/360°, 2-click/1-pulse Not used Output L fi xed VFD CS VFD control request H: Possible to transfer VFD data BT RST Bluetooth module reset...
  • Page 8 KDC-BT6544U/BT6544UY /BT7043U/BT742U MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Value Pin No. Pin Name Application Processing / Operation / Description Table ST DC DET Wrong connection detection E2P SDA I/O E2PROM I2C data input/output E2P SCL I/O E2PROM I2C clock input/output DC DET DC offset detection MUTE AFS I/O AFS mute...

  • Page 9: Test Mode

    KDC-BT6544U/BT6544UY /BT7043U/BT742U TEST MODE ■ Display description Description of display Description ÷ ÷ ÷ ÷ ÷ ÷ ÷ A symbol “■” in the key column indicates that the key should be pressed and held for 1 second or longer. ■ Key layout TEL/ ←...
  • Page 10 KDC-BT6544U/BT6544UY /BT7043U/BT742U TEST MODE Description Default values System Q/dB EQ NATURAL (FLAT) Simple DSP STANDBY (FLAT) Simple DSP BYPASS (Set up the path that does not go through the DSP) Beep Goes on (i.e., beeps) when the key is pressed briefl y Preout Rear ■...
  • Page 11 KDC-BT6544U/BT6544UY /BT7043U/BT742U TEST MODE • Version and service information display (Sub-mode) * When “Version and service information display” is selected, “Destination terminal condition display” will be opened as default display. Description of display Description Destination “TYPE” indicates system μ-com (IC302) destination, terminal and shows real-time condition of the destination 2 : 1...
  • Page 12 KDC-BT6544U/BT6544UY /BT7043U/BT742U TEST MODE • CD information display mode (Sub-mode) Description of display Description Mechanism error log 1 (Latest) XX: Error number. “– –” is displayed in case there is no error. CD mecha- Mechanism error log 2 (Latest) nism error XX: Error number.
  • Page 13 KDC-BT6544U/BT6544UY /BT7043U/BT742U TEST MODE ■ Test mode specifi cations in TUNER source Error is found in front-end (A1), etc. if indications below is displayed while in tuner source. Status Display Description Front-end (A48x) E2PROM data Front-end (A48x) E2PROM is still the default error (unspecifi...
  • Page 14 KDC-BT6544U/BT6544UY /BT7043U/BT742U TEST MODE • FST adjustment mode Perform FST soft-mute adjustment. Note To enter into FST adjustment mode (Press and hold the key for 1 second) ■ In FM, the frequency changes to 98.3MHz Operations in the FST adjustment mode are as follows: Description of display Description / Soft-mute...
  • Page 15 KDC-BT6544U/BT6544UY /BT7043U/BT742U TEST MODE ■ Test mode specifi cations in CD source Display mode default: P-Time • Procedure in CD-DA media (KTD-02A) Display Description Every time pressed, jumps to the track shown below. No.9 → No.15 → No.10 → No.11 → No.12 → No.13 → No.22 Track up procedure →...
  • Page 16 KDC-BT6544U/BT6544UY /BT7043U/BT742U TEST MODE ■ Audio-related test mode Procedure Note Enter the audio adjustment mode (The default items shown are different from model with DSP to model without DSP) [Model with DSP] (Destination “K” and “E”) When DUAL ZONE is ON: BYPASS→DUAL ZONE→FADER→BALANCE→R-VOLUME→V-OFFSET When DUAL ZONE is OFF: BYPASS→DUAL ZONE→FADER→BALANCE→SUB-W→V-OFFSET ■...
  • Page 17 KDC-BT6544U/BT6544UY /BT7043U/BT742U TEST MODE ■ Backup current measurement Procedure Note MUTE terminal is OFF after 2 seconds, not after 15 seconds. While ACC OFF (Back Up ON), Reset (During this time, the CD mechanism does not function.) ■ Switching of Preout Procedure Note Press and hold [TEL/TI/AUTO] key in the Standby source...
  • Page 18 KDC-BT6544U/BT6544UY /BT7043U/BT742U TEST MODE ■ Clearing DC offset error detection data (E2PROM data clearing) Procedure Note Resetting while [PLAY/PAUSE] + [FAV] is being pressed Entering DC offset error display mode. While “----” is displayed, power can be ON. Even if the DC offset error detection is running, it shall be possible to move to this condition. This mode is cleared when the unit is reset.
  • Page 19 KDC-BT6544U/BT6544UY /BT7043U/BT742U TEST MODE ■ ROM data transfer * This function is shown in the MENU only when the source is STANDBY and thus in reality it is operational only in the case of STANDBY source. Procedure Display Description While pressing and holding [SEARCH] key and [SRC] All lights ON.

  • Page 20: Rom Data Transfer Processes

    KDC-BT6544U/BT6544UY /BT7043U/BT742U ROM DATA TRANSFER PROCESSES When replacing front-end (A48x) of mother unit (X34-), or Forced Power OFF information (For maintenance) when adding or replacing ROM correction (program cor- Serial number (For maintenance) rection with ROM IC (IC300)), the following activities are E2PROM data check data (For internal check) required.
  • Page 21 KDC-BT6544U/BT6544UY /BT7043U/BT742U ROM DATA TRANSFER PROCESSES Turn power on. Install new front-end (A48x). Press and hold the [1] and [3] keys and press reset button. No ROM correction or other data status. (Enter the system in the test mode.) Press [B.BOOST] key. (ROM data System enters data trans- fer mode.) Mother unit (X34-) Press...
  • Page 22 KDC-BT6544U/BT6544UY /BT7043U/BT742U ROM DATA TRANSFER PROCESSES 4. In case of applying a new ROM correction when front- Turn power on. end (A48x) is replaced (There is ROM correction data.) Press and hold the [1] and [3] keys, press reset button. (Enter 5.
  • Page 23 KDC-BT6544U/BT6544UY /BT7043U/BT742U ROM DATA TRANSFER PROCESSES Press key. (Exit ROM data transfer mode.) Turn power on. Turn power off. Press and hold the [1] and [3] keys press reset button. (Enter the system in the test mode.) Remove front-end (A48x). Press [B.BOOST] key.

  • Page 24: Installer Memory Specifications

    KDC-BT6544U/BT6544UY /BT7043U/BT742U INSTALLER MEMORY SPECIFICATIONS At specialists (or specialty stores), when the installer sends • The contents read out by the call key shall be refl ected the vehicle back to the user, they may make the store-rec- only to the current source at the time→EQ curve is ommended audio confi...
  • Page 25 KDC-BT6544U/BT6544UY /BT7043U/BT742U PC BOARD PC BOARD (COMPONENT SIDE VIEW) (FOIL SIDE VIEW) SWITCH UNIT SWITCH UNIT X16-6500-21 (J76-0568-02) X16-6500-21 (J76-0568-02) VCC VOUT TP30 MIC-N R101 D101 MIC-P R102 D102 PAN-DET RTRY-CW R103 D103 RTRY-CCW R104 D104 R105 REMO D105 D106 R106 VFD-CE CP10...
  • Page 26 KDC-BT6544U/BT6544UY /BT7043U/BT742U PC BOARD (COMPONENT SIDE VIEW) ELECTRIC UNIT X34-629x-xx (J76-0567-02) C223 J400 R213 IC200 13 11 12 8 4 3 2 J420 R209 C217 R208 R210 R206 R204 C451 C452 C461 C462 R207 C442 C441 Q200 C206 R442 D605 R452 R453 R462 R463 R443 D604...
  • Page 27 KDC-BT6544U/BT6544UY /BT7043U/BT742U X34-629x-xx Ref. No. Address IC10 C217 IC70 IC200 R102 IC240 IC241 R132 C133 IC260 C131 R131 IC301 C130 IC302 IC303 IC500 D164 D165 L160 C257 X240 IC70 W601 IC20 Q130 C616 Q170 Q440 C612 R616 R619 Q442 Q450 Q451 Q460 Q462...
  • Page 28 KDC-BT6544U/BT6544UY /BT7043U/BT742U PC BOARD (FOIL SIDE VIEW) ELECTRIC UNIT X34-629x-xx (J76-0567-02) TP17 TP12 C204 TP14 TP20 C216 C207 TP10 TP18 TP15 TP204 TP19 R203 C205 C200 R115 R120 C220 C202 C201 TP23 TP16 D112 TP201 TP80 TP21 Q113 Q114 R116 Q111 Q112 Q110 Q115...
  • Page 29 KDC-BT6544U/BT6544UY /BT7043U/BT742U X34-629x-xx Ref. No. Address TP424 TP422 IC150 TP423 IC600 TP618 TP460 IC601 TP617 Q110 Q111 D410 Q112 W480 Q113 TP498 Q114 Q115 Q441 C488 TP480 TP481 Q461 R483 TP496 TP497 Q481 TP484 Q601 TP485 TP486 TP487 TP488 TP489 C278 C279 TP490...
  • Page 30 KDC-BT6544U/BT6544UY /BT7043U/BT742U PC BOARD (COMPONENT SIDE VIEW) X32 B/2 12EJE ORG LOS GRE GND BLU R105 CD PLAYER UNIT R102 X32-6260-00 A/2 (J76-0572-02) AGND CD RST IOP+ BUCK A3.3V R119 R177 CP11 R101 R121 12EJE SW R171 R118 LOS SW R117 SRAMSTB BU5V...
  • Page 31 KDC-BT6544U/BT6544UY /BT7043U/BT742U PC BOARD (FOIL SIDE VIEW) X32 B/2 CD PLAYER UNIT X32-6260-00 A/2 (J76-0572-02) R127 R120 R128 CP15 R166 CP12 C102 R167 R68 R69 R132 R131 X32-6260-00 Ref. No. Address Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 32 KDC-BT6544U/BT6544UY /BT7043U/BT742U PRE OUT ANT. ∗ ELECTRIC UNIT (X34-6xxx-xx) J420 W481 TP480 FRONT-END A480: For European models ∗ A480 A481: For other models RFGND C482 ANTINPUT 0.01 TP496 Q440,442 Q450,451 Q460,462 PRE OUT PRE OUT PRE OUT AM+B MUTE SW MUTE SW MUTE SW OSCGND...
  • Page 33 KDC-BT6544U/BT6544UY /BT7043U/BT742U TP315 TP317 L300 BU5V-1 4.7uH IC301 ∗ ∗ R325 R330 TP316 BU5V 100K 100K VOUT PON5V C306 5.0V SYSTEM u-COM RESET CP306 CONTROL 4.7K R300 2.2M R315 2.2K REMO ∗ R316 100 LX REQ M 0V or 1.6V or 0-5.0V 5.0V P CON...
  • Page 34 KDC-BT6544U/BT6544UY /BT7043U/BT742U ∗ 5L I/F J400 TP404 TP629 C212 0.22 TP631 C210 0.22 TP200 TP405 POWER 5.0V IC200 R411 5.6V 5.7V IC303 C403 MUTE 0.01 D403 LOGIC D408 D406 5.5V TP630 C208 TP201 C214 0.22 TP628 0.22 ∗ DSP5V IC240 TSTI REF18 VSS2...
  • Page 35 KDC-BT6544U/BT6544UY /BT7043U/BT742U ∗ R209 4.3K F1 10A DC IN (F52-0023-05) TP15 D200 FUSE C3 0.01 3300u16 4.8V R206 1000P AUDIO 8V AVR TP21 IC10 1.3V 11.4V TP23 Q81-83 ∗ AUDIO 8V REF/ C286 OVER-CURRENT 4V PRE OUT DSP5V 47u16 POWER SUPPLY PROTECTION ∗...
  • Page 36 KDC-BT6544U/BT6544UY /BT7043U/BT742U IC10 : M5237ML-CF0J IC70 : LT3685EMSE IC150 : BD6538G IC200 : E-TDA7851A 2SB1565 IC240 : AK7600VF IC241 ∗ 1 10A IC260 : E-TDA7415CB 0023-05) IC301 : XC6120N362N1 IC302 ∗ IC303 : 74HC2G02DP IC500 : E-TDA7478AD IC600 : NJM4565V-ZB IC601 : SI-3033KMS Q10,22,42,52,82,441,461...
  • Page 37 KDC-BT6544U/BT6544UY /BT7043U/BT742U SWITCH UNIT (X16-6xxx-xx) 1.1V CP14 0.01 TP31 Q22-24 GRID REVERSING BLUETOOTH DRIVER D GND ∗ KEY SCAN KEY MATRIX (09TDF BASIC) MIC P TIMING COL1 COL2 COL3 COL4 COL5 COL6 MIC N ADJUSTMENT ROW1 ROW2 FAVORITE SEARCH AUTO TP24 PAN DET EJECT...
  • Page 38 KDC-BT6544U/BT6544UY /BT7043U/BT742U (1G-3G) (3G) (2G) (1G) col5 col3 col1 col3 col1 col3 col1 col6 col4 col2 col4 col2 col4 col2 (1G) col3 col3 col3 col1 col1 col1 (1G-3G) 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).
  • Page 39 KDC-BT6544U/BT6544UY /BT7043U/BT742U CD PLAYER UNIT (X32-6260-00) (A/2) MECHA. (X92- ) SLED OUT /LOAD 4ch BTL DRIVER TP123 TP128 1.7V ZDET 7.5V POWVCC1 R132 100 TP124 LOADING & POWGND1 SLED IN SLED TP127 /EJECT SLIN MOTOR VO1- R131 200K LDIN SPDL+ VO1+ TP122 BIASSW...
  • Page 40 KDC-BT6544U/BT6544UY /BT7043U/BT742U ZDET ZDET D1.5V DRVMUTE B3.3V-2 B3.3V TP95 B3.3V CD REQ TP93 TP94 OUTPUT ZDET TP68 B3.3V B3.3V 3.3V ZDET CONTROL SIGNAL 3.3V INVERTER AGND DVSS3R 1.7V TP92 R112 4.7 R28 1K 3.3V DVDD3R DSP RST 3.3V R113 4.7 R27 100 DVDD3L 1.7V...
  • Page 41 KDC-BT6544U/BT6544UY /BT7043U/BT742U TP31 FCS- TP32 TRK- A3.3V TP33 TRK+ TP34 FCS+ TP59 RFRP TP37 1.5V DPU1 TP38 TP60 (X92- ) TP40 PD R104 OPTICAL 2.2M TP41 C+D R103 PICKUP 2.3V TP42 F 0.2V TP43 A AVSS3 1.7V TP44 B 2.0V TP45 E FP11 1.9V...
  • Page 42 KDC-BT6544U/BT6544UY /BT7043U/BT742U EXPLODED VIEW (CD MECHANISM) : N09-6108-15 : N09-6426-15+ : N09-6735-05 : N09-6737-15 : N09-6738-15 : N19-2335-14 : N35-2003-48 : N39-1720-48 (X32) DPU1 (X32) Parts with the exploded numbers larger than 700 are not supplied.

  • Page 43: Exploded View (Unit)

    KDC-BT6544U/BT6544UY /BT7043U/BT742U EXPLODED VIEW (UNIT) Batteries for RC1 DME1 : N24-3015-48 : N80-2006-48 : N80-2008-43 : N86-2604-43 : N86-2606-48 : N83-3005-48 : N83-3016-48 : N86-2604-43 : N80-3008-48 : N89-3008-48 (X34-) W481 (X16-) (X34-) WH160 (X34) (X34) A480 or A481 (X34-) Depends on the models.

  • Page 44: Parts List

    KDC-BT6544U/BT6544UY /BT7043U/BT742U PARTS LIST ✽ 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. Desti- Desti- Ref. No. Parts No. Description Ref.
  • Page 45 KDC-BT6544U/BT6544UY /BT7043U/BT742U PARTS LIST SWITCH UNIT (X16-6500-21) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation RK73GB2A223J CHIP R J 1/10W CK73GB1C104K CHIP C 0.10UF CK73FB0J106K CHIP C 10UF R117,118 RK73GB2A103J CHIP R J 1/10W R120 RK73GB2A103J CHIP R...

  • Page 46: Electric Unit (X34-629X-Xx)

    KDC-BT6544U/BT6544UY /BT7043U/BT742U PARTS LIST CD PLAYER UNIT (X32-6260-00) IN CD MECHA Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation RK73GB2A153J CHIP R J 1/10W RUE003N02 RK73GB2A100J CHIP R J 1/10W 2SA1577 TRANSISTOR RK73GB2A153J CHIP R J 1/10W DTC114YUA DIGITAL TRANSISTOR...
  • Page 47 KDC-BT6544U/BT6544UY /BT7043U/BT742U PARTS LIST ELECTRIC UNIT (X34-629x-xx) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation C261 CK73GB1A474K CHIP C 0.47UF C615 CK73FB1H334K CHIP C 0.33UF C616 CD04BK0J331M ELECTRO 330UF 6.3WV C262,263 CK73GB1A105K CHIP C 1.0UF C264 CK73GB1A474K...
  • Page 48 KDC-BT6544U/BT6544UY /BT7043U/BT742U PARTS LIST ELECTRIC UNIT (X34-629x-xx) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation RK73GB2A104J CHIP R 100K J 1/10W R321 RK73GB2A104J CHIP R 100K J 1/10W R323 RK73GB2A104J CHIP R 100K J 1/10W RK73FB2B203J CHIP R J 1/8W...
  • Page 49 KDC-BT6544U/BT6544UY /BT7043U/BT742U PARTS LIST ELECTRIC UNIT (X34-629x-xx) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation R462,463 RK73GB2A223J CHIP R J 1/10W D532-534 UDZW6.8(B) ZENER DIODE R464 RK73FB2B181J CHIP R J 1/8W D600 UDZW6.2(B) ZENER DIODE R465 RK73GB2A331J CHIP R...

  • Page 50: Mechanism Assy (X92-6360-00) Dxm-9B30W

    KDC-BT6544U/BT6544UY /BT7043U/BT742U PARTS LIST ELECTRIC UNIT (X34-629x-xx) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation Q481 2SA1577 TRANSISTOR J11-0675-03 CLAMPER J19-7210-21 HOLDER Q520 KRA307-P DIGITAL TRANSISTOR Q601 KRC403-P DIGITAL TRANSISTOR J19-7225-04 HOLDER TH200 PRF18BE471QS2 POSITIVE RESISTOR J22-0706-03 MOUNTING HARDWARE...

  • Page 51: Specifications

    KDC-BT6544U/BT6544UY /BT7043U/BT742U SPECIFICATIONS ■ Models for destination “K” Auxiliary input Frequency response (±1dB) ......20Hz~20kHz FM tuner section Input Maximum Voltage ..........1200mV Frequency range (200kHz space) ..87.9MHz~107.9MHz Input Impedance ............100kΩ Usable sensitivity (S/N=30dB) ....9.3dBf (0.8μV/75Ω) General Quieting Sensitivity (S/N=50dB) ....15.2dBf (1.6μV/75Ω) Frequency response (±3.0dB) ......30Hz~15kHz Operating voltage (10.5~16V allowable) .......
  • Page 52 Output Power ..+4dBm (MAX), 0dBm (AVE) Power Class 2 Installation Size (W x H x D) .....182 x 53 x 155mm Weight ................1.2kg KENWOOD follows a policy of continuous advancements DANGER: in development. For this reason specifi cations may be Please do not look at the laser beam directly during changed without notice.

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