Kenwood Ez700SR Service Manual
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Kenwood Ez700SR Service Manual

Kenwood Ez700SR Service Manual

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CD RECEIVER
Ez700SR/Ez900HDS
SERVICE MANUAL
Panel assy
(A64-3386-22) : Ez900HDS
(A64-3417-22) : Ez700SR
Plastic cabinet assy
(A02-2735-03)
Remote controller assy (RC-505)
(A70-2059-05)
Lever
Mounting hardware assy
(D10-4589-04)
(J22-0011-03)
x2
Screw set
(N99-1757-05)
Size AA battery
(Not supplied)
TDF PANEL INFORMATION
MODEL
TDF PANEL No. TDF NAME
Ez700SR, Ez900HDS Y33-2110-10
© 2005-1 PRINTED IN JAPAN
B53-0237-00 ( N ) 609
CD MECHANISM EXTENSION CORD (24P) : W05-0934-00
Escutcheon
(B07-3117-02)
DC cord
(E30-6364-05)
Screw set
(N99-1764-05)
TDF-EZ900
This product uses Lead Free solder.

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  • Page 1 SERVICE MANUAL © 2005-1 PRINTED IN JAPAN B53-0237-00 ( N ) 609 CD MECHANISM EXTENSION CORD (24P) : W05-0934-00 Panel assy (A64-3386-22) : Ez900HDS Escutcheon (A64-3417-22) : Ez700SR (B07-3117-02) Plastic cabinet assy Lever Mounting hardware assy DC cord (A02-2735-03) (D10-4589-04)

  • Page 4: Components Description

    Ez700SR/Ez900HDS COMPONENTS DESCRIPTION SWITCH UNIT (X16-2960-10) Ref. No. Application / Function Operation / Condition / Compatibility LCD Driver Drives LCD Remote Control IC Controls the unit REMO ON SW The power supply of IC2 is turned on when base level goes “L”...
  • Page 5 Ez700SR/Ez900HDS COMPONENTS DESCRIPTION Ref. No. Application / Function Operation / Condition / Compatibility Q205 Logic reversal ON: IC203, 4 ch1 on / OFF: IC203,4 ch1 off Q206 Control SW ON: IC203 ch1 off / OFF: IC203 ch1 on Q207 DC/DC drive FET...

  • Page 6: Microcomputer's Terminal Description

    Ez700SR/Ez900HDS MICROCOMPUTER’S TERMINAL DESCRIPTION MAIN MICROCOMPUTER : 703030GC053A (X34 : IC101) Truth Pin No. Pin Name Module Application Processing Operation Description Value Table PLL CLK TUNER I/O CLK output terminal to F/E SPAN O SPAN information output terminal L : K destination H : M destination or equivalent...
  • Page 7 Ez700SR/Ez900HDS MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Pin No. Pin Name Module Application Processing Operation Description Value Table Power supply control terminal for power CD MECHA+B Power supply I/O ON : L, OFF : Hi-Z supply MP3 SW5V Power supply I/O SW5V control terminal...
  • Page 8 Ez700SR/Ez900HDS MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Pin No. Pin Name Module Application Processing Operation Description Value Table LX_REQ_S Request input from external devices Request input pending : L KEY-REQ to PANEL Communication request from LCD driver L : KEY input LO.S SW...
  • Page 9 Ez700SR/Ez900HDS MICROCOMPUTER’S TERMINAL DESCRIPTION SUB MICROCOMPUTER : 70F3263GC3T5A or 703262GC301A (X34 : IC501) Truth Pin No. Pin Name Module Application Processing Operation Description Value Table AVREF0 ADC reference voltage Connected to BU+3.3V with H/W. AVSS ADC/DAC GND Connected to GND with H/W.
  • Page 10 Ez700SR/Ez900HDS MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Pin No. Pin Name Module Application Processing Operation Description Value Table D/L ALARM D/L function O Alarm LED lightup (When D/L is used.) H : Lightup, L : No lightup BEEP D/L function O BEEP output (When D/L is used.) Test&Debug...
  • Page 11 Ez700SR/Ez900HDS MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Pin No. Pin Name Module Application Processing Operation Description Value Table HD Radio Blend signal from IDM Fixed with H/W. HR_7730BLEND HD Radio O Blend signal (output to 7730) H : Digital, L : Analog...
  • Page 12 Ez700SR/Ez900HDS MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Value Table Destination Setting SLAVE LOCAL TEST MODE SPECIFICATION TYPE1 TYPE0 Destination Remarks TEST2 TEST1 TEST0 Function Ez900HDS Sirius installed, HD installed. Normal Ez700SR Sirius installed, HD not installed. Sirius TA Mode ON Reserved Debug Mode ON...
  • Page 13 Ez700SR/Ez900HDS MICROCOMPUTER’S TERMINAL DESCRIPTION r Antenna Detection Method (1) SSM internal circuit is used to detect antenna connection. Sub µ- Normal Condition com makes judgment by a notification from SSP. Terminal setting Signal name Debug terminal TX UART_O H/L (2) Current detection for excess current protection uses the same U_SW L method as KTC-SR902.

  • Page 14: Test Mode

    • Ez700SR/Ez900HDS Model jump to No. 15. Reset while pressing down Preset y key. This should be (Models with DC error detection function (Ez700SR, done with panel-not-installed and other modes ON. (Reset, Ez900HDS) ACC OFF, power OFF, and momentary power drown do not Audio-related matters clear the test mode.)
  • Page 15 Ez700SR/Ez900HDS TEST MODE conducted into the following 3 steps : 0 ⇔ 5 ⇔ 10. (Initial Others value : 7) • When q key is pressed, only during internal AUX, 2-ZONE ON/OFF is effected. When ON, P/S dot is turned ON all the Back up current measurement time.

  • Page 16: Sirius Test Mode

    4. If wrong codes were entered, the unit goes into the Code Sirius Function Lock Release mode Request mode. • Ez700SR/Ez900HDS Model 1. While pressing down on Preset t and Disp keys, reset Initializing AUDIO-related value setting (DCERR- to enter the DC Error Display mode. (The Test Mode is related) cleared at this point.)

  • Page 17: Hd Radio Test Mode

    Ez700SR/Ez900HDS HD RADIO TEST MODE 1. How to Start/End the Test Mode 999. 99 1-1. How to start the test mode While pressing Preset 1 and Preset 3 keys at the same time, press the reset button. Keep on pressing on the Preset keys, until the H/U boots up.
  • Page 18 Ez700SR/Ez900HDS HD RADIO TEST MODE 3-2-3. Reception mode switching (Ez900HDS only) stopped, which makes normal operation impossible imme- In each band, every time the Preset 5 key is pressed, the re- diately after the adjustment. For normal operation, the unit ception mode is switched in the following manner : Auto →...
  • Page 19 Ez700SR/Ez900HDS HD RADIO TEST MODE While adjusting these, “1,” “2,” or “3” is displayed and when the 3-3-7. BER measurement (Ez900HDS only) adjustment is successful, the 1 digit will display 1 and when BER information obtained from IDM is displayed.
  • Page 20 Ez700SR/Ez900HDS ADJUSTMENT Note1) If and when there is more than a minute after turning Calibration on the Fan Operation Temperature the power is turned on a set, wait till the heat sink on the back 1. Objective cools or cool the heat sink using a fan. (Cool to temperature In order to reduce the soiling of the CD mechanism pick, the below 30°C.
  • Page 21 Ez700SR/Ez900HDS PC BOARD (COMPONENT SIDE VIEW) (FOIL SIDE VIEW) SWITCH UNIT SWITCH UNIT X16-2960-10 (J76-0036-12) X16-2960-10 (J76-0036-12) X16-2960-10 X16-2960-10 Ref. No. Address Ref. No. Address C12 C13 Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 22 Ez700SR/Ez900HDS PC BOARD (COMPONENT SIDE VIEW) ELECTRIC UNIT X34-3340-1x (J76-0031-12) A301 C261 C242 W301 C222 I G O IC202 C404 C339 IC207 C321 C433 C420 C403 L309 C434 C266 R421 IC402 C370 C317 C304 C428 IC301 C303 W501 C424 IC501...
  • Page 23 Ez700SR/Ez900HDS DAUGHTER UNIT X89-2680-10 (J76-0038-02) C216 C215 C202 IC208 D220 C270 IC503 IC102 IC205 C209 Q231 C214 IC403 X34-3340-1x C256 D204 R278 Ref. No. Address Ref. No. Address C204 L201 C246 C234 C255 IC101 IC102 IC103 C244 Q205 L204 C235...
  • Page 24 Ez700SR/Ez900HDS PC BOARD (FOIL SIDE VIEW) ELECTRIC UNIT X34-3340-1x (J76-0031-12) C31 R53 Q227 A-8V C241 C320 C319 C203 C343 C342 R279 BU3.3V D D D D C238 3.3V R555 C279 S G S R282 C280 D D D D S G S I1.8V...
  • Page 25 Ez700SR/Ez900HDS DAUGHTER UNIT X89-2680-10 (J76-0038-02) C271 C257 C218 L310 L311 C402 C338 C337 C318 C405 C336 C316 C315 C335 C372 C334 X34-3340-1x S G S R333 Ref. No. Address Ref. No. Address R335 R334 R345 IC105 Q227 C377 C357 I-3.3V...
  • Page 26 Ez700SR/Ez900HDS PC BOARD (COMPONENT SIDE VIEW) CD PLAYER UNIT X32-5540-02 (J74-1602-12) CP12 CP13 CP15 MIACK X32-5540-02 Ref. No. Address Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 27 Ez700SR/Ez900HDS PC BOARD (FOIL SIDE VIEW) CD PLAYER UNIT X32-5540-02 (J74-1602-12) Vref FLAG HOLD MIRR LOCK TRK IN TRK OUT FCS DOWN FCS UP C22 C23 D3.3V BCKIA SDIO 12EJE A.+8V LRCKIA /EJECT SLED IN SLED OUT A.GND /LOAD DATA SPDL- BU2.5V...
  • Page 28 Ez700SR/Ez900HDS (X34-3340-1x) (E30-6363) SUB WOOFER R LX BUS SUB WOOFER GND WOOFER SUB WOOFER L (E30-6370) 4.7K FRONT R FRONT GND FRONT FRONT L 4.7K REAR R REAR REAR GND REAR L 4.7K LX-REQ-M LX-RST AUX IN R 0.47 CH-R B.U.
  • Page 29 Ez700SR/Ez900HDS EZ900HDS IC403 ONLY 3.3V 3.3V DVDD DVSS Q211 IC503 3.3V 3.3V 5.0V TVDD OCKS1 POWER C432 V/TX OCKS0 0.01 100K 5.0V MCKO1 ENABLEG 3.3V SW5V MCKO2 R124 100K 5.0V 5.0V DAUX 5.0V 3.3V C431 R429 BICK 0.01 SDTO 3.3V D501 3.3V...
  • Page 30 Ez700SR/Ez900HDS Q507 Q503 Q504 R257 ∗ R550 R553 IC502 R272 5.0V 5.0V C508 4.7K Q505 Q506 E2PROM BU3.3V ∗ C507 R545 R535 ∗ Q239 0.01 100K C510 3.3V 220P R546 100K ∗ R534 DL DATA Q215 4.7K UART SW DIR CSN 3.3V...
  • Page 31 Ez700SR/Ez900HDS A302 Q232 3.3V BU5V to DC CORD R257 F1 10A Q226 FUSE 2.2K C243 R287 Q235 R272 0.01 C242 330u6.3 SYSTEM 2200u25 R267 POWER 3.3V 5.0V IC208 SUPPLY 100K R206 Q227 BU3.3V R260 IC205 1/2W D207 3.3V R269 PCON...
  • Page 32 Ez700SR/Ez900HDS SIRIUS ANT. FM/AM ANT. W301 A301 EZ900HDS ONLY C302 C388 C310 C402 C401 1000P C405 0.01 0.01 0.01 R322 I-3.3V I-1.8V 3.3V 1.8V 1.6V 1.6V IF1.5V C306 1.6V IFADN2 C307 IFADP2 C321 IF1.5V 47u10 1.3V VIFADBG C320 0.01 I-1.8V 3.3V...
  • Page 33 Values m a y v a r y slightly due to I-1.8V variations be- I-3.3V t w e e n i n d i - vidual instru- ments or/and units. Ez700SR/Ez900HDS (1/2) X34-3340-1x (6/6)
  • Page 34 Ez700SR/Ez900HDS SWITCH UNIT (X16-2960-10) ED1(SEGMENT) ED1(COMMON) ESD-GND FLIP DET TP13 RESET S14 RESET VOL A D GND+ILL GND VOL B ILL+B DIMMER REMOTE CONTROL IC TP11 TP19 REMO OUT GND TP21 CP2 470 TP10 TP23 REMOTE TP25 CONTROL TP12 TP27...
  • Page 35 DTC124EUA DTC144EUA DAN202U TA78L05F-F AUTO DAP202U DISP DA204U DTA114YUA AUDIO TC7SH08FU GREEN TA48M033F-F Ez700SR/Ez900HDS (2/2) LC75808W-E RS-171 DTA114EE Q3-5 2SC4617 B30-1566-05 D2,3 B30-1698-05 MAZS0820L CAUTION : For continued safety, replace safety critical components D22-29 UDZS6.2B only with manufacturer's recommended parts (refer to parts list).
  • Page 36 Ez700SR/Ez900HDS CD PLAYER UNIT (X32-5500-0x/X32-5540-0x/5680-0x) LEVEL SHIFT (DA) 0V (3.3V 5.0V) IOP1 IOP2 R34 4.7K (MP3) 0/3.3V C28 10 LEVEL SHIFT (3.3V 5.0V) 16.000MHz R35 100K 3.3V 0.2V 100K RESET 3.3V 3.8/0V 3.3V AVDD1 DGND1 2.4/0V 1000P 3.3V RFOK RFOK 3.3V...
  • Page 37 Ez700SR/Ez900HDS Q9,10 Vref DPU1(X92- ) 1.7Vp-p 390K 6800P OPTICAL PICKUP 0.3Vp-p 1.65V 1.65V RF2- 1.65V 1.0Vp-p FCS+ 1.0Vp-p TRK+ 3.9K TRK- 1.7Vp-p 3.3V FCS- 3300P ADVDD 3.3V 0.01 1.65V 3.0/0.3V 0.01 ∗ ADGND 3.3/0V UPD63712GC TEST0 RF AMP/SERVO TC94A20F-010 TEST1...
  • Page 38 Ez700SR/Ez900HDS EXPLODED VIEW (CD MECHANISM) DPU1 DFPC1 (X32) φ : N09-6192-05 : N09-6191-05 M1.7x8.5 M1.7x2.5 : N09-6004-05 M2x2 : N09-6193-05 φ : N09-6194-05 2x6(BLK) : N19-2163-04 1.6 WASHER : N39-2020-46 M2x2 : N09-6196-05 M2x3.5 φ : N09-6195-05 DXM-6740V Refer to the service manual X92-4030-0x (B51-7867-00) for CD mechanism operation.

  • Page 39: Exploded View (Unit)

    Ez700SR/Ez900HDS EXPLODED VIEW (UNIT) SIZE AA BATTERY φ2.6x6 M3x8 : N30-3008-48 : N84-2606-43 φ2x5 φ2x3.5 : N80-2005-48 : N09-6309-05 DME1 φ2x8 φ3x10 : N80-2008-43 : N80-3010-43 φ2x14 : N82-2014-48 M3x10 : N30-3010-48 φ3x5 : N83-3005-48 M2.5x4 : N35-2504-41 φ2x5 : N84-2005-43...

  • Page 40: Parts List

    CHIP R 4.7K J 1/10W K23-1091-03 KNOB (VOL) S2-13 S70-0856-05 TACT SWITCH K24-4000-03 PUSH KNOB (EJECT) S70-0901-05 TACT SWITCH K24-4196-03 PUSH KNOB (AUTO) S68-0888-05 PUSH SWITCH K : Ez900HDS K1 : Ez700SR Indicates safety critical components. (K : North America)
  • Page 41 CHIP C 0.010UF K R44,45 RK73GB2A302J CHIP R 3.0K J 1/10W CK73FB1A225K CHIP C 2.2UF RK73GB2A105J CHIP R 1.0M J 1/10W RK73GB2A104J CHIP R 100K J 1/10W K : Ez900HDS K1 : Ez700SR Indicates safety critical components. (K : North America)
  • Page 42 0.010UF K CK73GB1H103K CHIP C 0.010UF K C233 CK73GB1A105K CHIP C 1.0UF CK73GB1A105K CHIP C 1.0UF C234 CD04BF1A221M ELECTRO 220UF 10WV C235-237 CD04BK0J331M ELECTRO 330UF 6.3WV K : Ez900HDS K1 : Ez700SR Indicates safety critical components. (K : North America)
  • Page 43 0.010UF K X102 L78-0821-05 RESONATOR C339 CD04BK0J331M ELECTRO 330UF 6.3WV X301 L77-2885-05 CRYSTAL RESONATOR (41.6M) C340,341 CK73GB1H103K CHIP C 0.010UF K X302 L77-2888-05 CRYSTAL RESONATOR (28.224M) K K : Ez900HDS K1 : Ez700SR Indicates safety critical components. (K : North America)
  • Page 44 J 1/10W R232 RK73GH2A822D CHIP R 8.2K D 1/10W R125 RK73GB2A103J CHIP R J 1/10W R233,234 RK73GB2A471J CHIP R J 1/10W R235 RK73GB2A470J CHIP R J 1/10W K : Ez900HDS K1 : Ez700SR Indicates safety critical components. (K : North America)
  • Page 45 RK73GB2A101J CHIP R J 1/10W R550 RK73GB2A472J CHIP R 4.7K J 1/10W R319 RK73GB2A104J CHIP R 100K J 1/10W R551 RK73GB2A471J CHIP R J 1/10W K K : Ez900HDS K1 : Ez700SR Indicates safety critical components. (K : North America)
  • Page 46 CHIP R 1.0K J 1/4W IC304 M25P80-VMW6T ROM IC RK73EB2E241J CHIP R J 1/4W IC402 E-TDA7414 ANALOGUE IC R9,10 RK73EB2E471J CHIP R J 1/4W IC403 AK4112BVFP MOS-IC K : Ez900HDS K1 : Ez700SR Indicates safety critical components. (K : North America)
  • Page 47 FLEXIBLE PRINTED WIRING BOARD N09-6192-05 TAPPING SCREW (P2X8COUNTERSU) N09-6191-05 STEPPED SCREW (M1.7TOTAL8BON) N09-6004-05 MACHINE SCREW (M1.7X2.5 IB-L) N09-6193-05 MACHINE SCREW (M2X2PAN-HEAD#) N09-6194-05 TAPPING SCREW (P2X5BINDING-H) N19-2163-04 FLAT WASHER K : Ez900HDS K1 : Ez700SR Indicates safety critical components. (K : North America)

  • Page 48: Specifications

    Installation Size (W x H x D) ....178 x 50 x 165mm ............7 x 1-15/16 x 6-1/2inch Weight ............. 3.1lbs (1.4kg) KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. KENWOOD CORPORATION 2967-3, Ishikawa-machi, Hachioji-shi, Tokyo, 192-8525 Japan KENWOOD USA CORPORATION KENWOOD ELECTRONICS ITALIA S.p.A.

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