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Kenwood Z919 Servise Manual
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Kenwood Z919 Servise Manual

Kenwood Z919 Servise Manual

Cd/md-ch dsp control cd receiver
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Download this manual See also: Instruction Manual
CD/MD-CH DSP CONTROL CD RECEIVER
Z919
QQ
3 7 63 1515 0
SERVICE MANUAL
Panel assy
(A64-2119-02) : K type
(A64-2120-02) : M type
TE
L 13942296513
Panel escutcheon
: K type only
(B01-0887-05)
www
.
Mounting hardware assy
(J21-7596 -02)
DC cord
(E30-4737-15)
x
ao
u163
y
i
Mounting hardware
(J21-7673 -05)
2 9
8
Front glass
(B10-3229-02)
Q Q
3
6 7
1 3
1 5
Remote controller assy
(RC-601)
(A70-2006-05)
co
.
Screw set
(N99-1559-05)
9 4
2 8
2000-5 PRINTED IN JAPAN
C
B51-7635-00 ( N ) 1694
Knob (FM,AM,FWD,REV)
(K25-1114-03)
0 5
8
2 9
9 4
2 8
Sub panel assy
(A22-2803-13) : K type
(A22-2857-03) : M type
Size AAA battary
(Not supplied)
m
Screw set
: K type only
(N99-1694-05)
9 9
9 9

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Summary of Contents for Kenwood Z919

  • Page 1 CD/MD-CH DSP CONTROL CD RECEIVER Z919 3 7 63 1515 0 SERVICE MANUAL 2000-5 PRINTED IN JAPAN B51-7635-00 ( N ) 1694 Panel assy Knob (FM,AM,FWD,REV) Front glass (A64-2119-02) : K type (K25-1114-03) (B10-3229-02) (A64-2120-02) : M type L 13942296513...
  • Page 2 Z919 3 7 63 1515 0 BLOCK DIAGRAM PROCESSOR UNIT (X32-4800-00) IC11 DRIVER DRAM uPD67324B PCM1716 SLED SPINDLE SERVO DPS&ROM DECODER IC10 RF MATRIX OPTICAL PICKUP AMPLIFIER SIO (DMA) M30620MC-XXXGP STA013 ROM : 128K SLED SW IICBUS RAM : 10K...
  • Page 3 Z919 Z919 BLOCK DIAGRAM 3 7 6 3 1 5 1 5 0 MD,CD: 358mV MD,CD: 427mV MD,CD-CH: 343mV MD,CD-CH: 409mV TAPE,TV: 566mV TAPE,TV: 674mV 572mV 682mV MZ-BUS 189mV 225mV IC10,11,14,15 FRONT IN NJM4565M REAR IN MD,CD: 939mV MD,CD-CH: 900mV...
  • Page 4 Z919 3 7 63 1515 0 COMPONENTS DESCRIPTION Synthesizer Unit (X14-6260-xx) Ref. No. Components Name Application / Functions Operation / Condition / Compatibility UPD72042BGT MZ-BUS Interface IC MZ-BUS Communication Interface 784215YGC-038 Microcomputer System Microcomputer M5237ML Regulator IC Tuner+B S-24C01B E2PROM...
  • Page 5 Z919 3 7 63 1515 0 COMPONENTS DESCRIPTION Ref. No. Components Name Application / Functions Operation / Condition / Compatibility DTC124EK Level Meter Mute Swtich ON when “H” at Q16 ON (level meter mute processing) DTC144Ek Navu Mute Switch ON when nave mute is “H” (mute processing)
  • Page 6 Z919 3 7 63 1515 0 MICROCOMPUTER’S TERMINAL DESCRIPTION System Microcomputer 784215YGC (X14-6260-xx : IC3) Pin Name Function Description Processing Operation P120/RTP0 DIAG PCON-IC excess voltage & current detection terminal L: Abnormal / H: Normal P121/RTP1 P_CON P-CON control output terminal...
  • Page 7 Z919 3 7 63 1515 0 MICROCOMPUTER’S TERMINAL DESCRIPTION Pin Name Function Description Processing Operation P23/PCL Not used Open (L-fixed) P24/BUZ Not used Open (L-fixed) P25/SI0/SDA0 CD_DATA CD mecha control data I/O terminal P26/SO0 Not used Open (L-fixed) P27/SCK0/SCL0 CD_CLK...
  • Page 8 Z919 3 7 63 1515 0 MICROCOMPUTER’S TERMINAL DESCRIPTION Pin Name Function Description Processing Operation P102/TI7/TO7 RELAY BUS-AUDIO switching control terminal L: Other source inpout H: Own source outpout P103/I8/TO8 PLL_CE PLL-IC CE output terminal P30/TO0 FM_SD FM SD detection terminal...
  • Page 9 Z919 3 7 63 1515 0 MICROCOMPUTER’S TERMINAL DESCRIPTION Pin Name Function Description Processing Operation AVRH – AD port reference voltage input terminal 34,35 AVRL – P50/AN0/SIN3 LEVEL_M HEAD spec analyzer signal input terminal 37~39 Not used 41~44 Not used...
  • Page 10 Z919 3 7 63 1515 0 MICROCOMPUTER’S TERMINAL DESCRIPTION Mechanism Microcomputer M30620MCAA56GP (X32-4800-00 : IC1) Pin Name Function Description Processing Operation – BYTE BYTE Switching Bus width 8Bit/16Bit CNVss CNVss – – RESET RESET Reset terminal L: Reset, H: Normal...
  • Page 11 Z919 3 7 63 1515 0 MICROCOMPUTER’S TERMINAL DESCRIPTION Pin Name Function Description Processing Operation P27/A7 (/D7/D6) Address/Data (7 Bit) Line – P26/A6 (/D6/D5) Address/Data (6 Bit) Line P25/A5 (/D5/D4) Address/Data (5 Bit) Line P24/A4 (/D4/D3) Address/Data (4 Bit) Line...
  • Page 12 SINGLE CHIP MPEG2 LAYER 3 DECODER SUPPORT- SUPPORTED UPON REQUEST TO STM ING. Note Z919 : 10MHz Note (Z919 is guaranteed to the MPEG 1.0 Layer III.) • All features specified for Layer III in ISO/IEC11172-3 APPLICATIONS (MPEG 1 Audio) PC SOUND CARDS •...
  • Page 13 Z919 3 7 63 1515 0 CIRCUIT DESCRIPTION (MP3) Pin Connection VDD_1 OUT_CLK/DATA_REQ VSS_1 VSS_5 RESET SCANEN TESTEN VDD_4 SCKR BIT EN VSS_4 SRC_INT SCKT FILT LRCKT PVSS OCLK PVDD VSS_2 VDD_3 VDD_2 VSS_3 Pin Description Pin No. Pin Name...
  • Page 14 The STA013 PLL can drive directly most of the commercial put frequencies of 10, 14.31818 or 14.7456MHz. DACs families, providing the VCO frequency with a software Note Z919 : 10MHz programmable dividers. XTI is an input Pad with specific levels µP...
  • Page 15 Z919 3 7 63 1515 0 CIRCUIT DESCRIPTION (MP3) PCM output Interface STA013 Operation Mode The decoded audio data are output in serial PCM format. The STA013 can work in two different modes, called Multi- media Mode and Broadast Mode.
  • Page 16 Z919 3 7 63 1515 0 CIRCUIT DESCRIPTION (MP3) • Init Mode fer. The bus transmitter, either master or slave, releases the “PLAY” and “MUTE” changes are ignored in this mode. The SDA bus after sending 8 bit of data.
  • Page 17 Z919 3 7 63 1515 0 CIRCUIT DESCRIPTION (MP3) READ OPERATION (see Fig. 8) • Curent byte address read • Sequential address read The RTA013 has an internal byte adress counter. Each time This mode can be intiated with either a curret address read a byte is written or read, this counter is incremented.
  • Page 18 Z919 3 7 63 1515 0 CIRCUIT DESCRIPTION (MP3) / ADJUSTMENT MP3 Playing Procedure 1. A request for read (minute, second, frame) occurs in the MP3 decoder control within the mechanical micon (IC1). 2. The mechanical control within the mechanical micon sets the requested time on the ROM decoder and conducts search.
  • Page 19 PC BOARD 3 7 63 1515 0 X25-8530-11 (J74-1021-12) X25-8530-11 (J74-1021-12) L 13942296513 HSTX HSTX X25-8530-11 X25-8530-11 Address Address u163 Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 20 (FOIL SIDE VIEW) PC BOARD (COMPONENT SIDE VIEW) 3 7 6 3 1 5 1 5 0 X32-4800-00 (J74-1046-22) X32-4800-00 (J74-1046-22) MP3/CD MP3/CD DATA DATA IC11 IC11 C101 C101 DMUTE DMUTE R200 R200 R108 R107 R107 R108 R109 R109 C100 C100 R102 MC 28...
  • Page 21 PC BOARD (COMPONENT SIDE VIEW) 3 7 6 3 1 5 1 5 0 X14-6260-11 (J74-1108-02) R170 R168 R171 R169 R180 R188 R189 R187 R186 R182 R181 C158 R183 C159 C160 C161 MAIN D24 D25 C141 IC16 R190 C138 C143 R102 R119 R131...
  • Page 22 PC BOARD (FOIL SIDE VIEW) 3 7 6 3 1 5 1 5 0 X14-6260-11 (J74-1108-02) R170 R168 R169 R171 R180 R186 R187 R189 R188 R181 R182 C158 C159 R183 C160 C161 MAIN C141 IC16 R190 C138 C143 R102 R119 R131 C130 C188...
  • Page 23 3 7 6 3 1 5 1 5 0 (E30-4889-05) (X14-626X-XX) (X92-3580-01) ANT. (X32-4800-00) DXM-1701 (X14-626X-XX) DESTINATION UNIT No. R221 R222 S GND 0-11 S +B (W02-3119-15) 0-21 MOTOR 4.7K LO/EJ R214 SIGNAL LINE 4.7K C191 GND LINE B LINE C194 AUDIO+B 0.01...
  • Page 24 (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the cus- tomer. • DC voltages are as measured with a high impedance voltme- ter. Values may vary slightly due to variations between indi- Z919 vidual instruments or/and units.
  • Page 25 D GND a high impedance voltmeter. Val- ues may vary slightly due to varia- u 1 6 3 4.7uH tions between individual instru- ments or/and units. BU5V BU5V PON 5V ILL GND 41.0V FL +B FL+B Z919 FL GND...
  • Page 26 CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list). Z919 Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.
  • Page 27 Z919 3 7 63 1515 0 EXPLODED VIEW (MECHANISM) M1.7x2.5 N09-4249-05 2x3.5 N09-4172-05 M1.7x4 N09-4202-05 M2x2 N38-2020-46 N09-4294-05 WASHER 1.2 N19-2023-04 WASHER 1.6 N19-2058-04 WASHER 1.6 N19-2093-04 M2x2 N39-2020-46 405A L 13942296513 DPU1 u163 X32-4800-00 Parts with the exploded numbers larger than 700 are not supplied.
  • Page 28 Z919 3 7 63 1515 0 EXPLODED VIEW (UNIT) SIZE AAA BATTARY (NOT SUPPLIED) (X14) DME1 PME1 L 13942296513 (X14) (X14) (X14) (X14) X14-6260-XX (X14) IC20 (X14) IC26 (X14) IC25 X25-8530-11 (X25) FPC1 (X25) u163 Parts with the exploded numbers larger than 700 are not supplied.
  • Page 29 Z919 3 7 63 1515 0 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.
  • Page 30 Z919 3 7 63 1515 0 PARTS LIST ∗ New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. SYNTHESIZER UNIT (X14-6260-xx) Teile ohne Parts No. werden nicht geliefert.
  • Page 31 Z919 3 7 63 1515 0 PARTS LIST ∗ New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. SYNTHESIZER UNIT (X14-6260-xx) Teile ohne Parts No. werden nicht geliefert.
  • Page 32 Z919 3 7 63 1515 0 PARTS LIST ∗ New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. SYNTHESIZER UNIT (X14-6260-xx) Teile ohne Parts No. werden nicht geliefert.
  • Page 33 Z919 3 7 63 1515 0 PARTS LIST ∗ New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. SWITCH UNIT (X25-8530-11) Teile ohne Parts No. werden nicht geliefert.
  • Page 34 Z919 3 7 63 1515 0 PARTS LIST ∗ New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. PROCESSOR UNIT (X32-4800-00) Teile ohne Parts No. werden nicht geliefert.
  • Page 35 Z919 3 7 63 1515 0 PARTS LIST ∗ New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. SYNTHESIZER UNIT (X14-6260-xx) Teile ohne Parts No. werden nicht geliefert.
  • Page 36 Z919 3 7 63 1515 0 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.
  • Page 37 Z919 3 7 63 1515 0 MEMO L 13942296513 u163...

  • Page 38: Specifications

    KENWOOD ELECTRONICS GULF FZE KENWOOD ELECTRONICS UK LIMITED P.O. Box 61318, Jebel Ali, Dubai, U.A.E. Kenwood House, Dwight Road, Watford, Herts, WD1 8EB United Kingdom KENWOOD ELECTRONICS (THAILAND) CO., LTD. KENWOOD ELECTRONICS DEUTSCHLAND GMBH 2019 New Pechburi Road, Bangkapi, Huaykwang, Bangkok, 10320 Thailand Rembrücker-Str.