Jvc-KDG-201-Service-Manual 电路图 维修手册.pdf

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1、SERVICE MANUAL COPYRIGHT 2004 VICTOR COMPANY OF JAPAN, LIMITED No.MA039 2004/1 CD RECEIVER MA03920041 KD-G201, KD-G202, KD-G207 TABLE OF CONTENTS 1PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2、 . 1-4 2SPECIFIC SERVICE INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6 3DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3、. . 1-7 4ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-25 5TROUBLE SHOOTING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4、. . . . . . . 1-26 Area suffix EE - Russian Federation STEERING CABLE RDS LINE OUT KD-G201 EKD-G202 E/EX KD-G207 Area suffix E - Continental Europe EX - Central Europe KD-G201,KD-G202 KD-G207 EE/EX KD-G202 KD-G207 KD-G201 RadioFans.CN 收音机爱 好者资料库 1-2 (No.MA039) SPECIFICATION ? ?KD-G202/KD-G201 Design

5、 and specifications are subject to change without notice. AUDIO AMPLIFIER SECTION Maximum Power OutputFront50 W per channel Rear50 W per channel Continuous Power Output (RMS) Front19 W per channel into 4 , 40 Hz to 20 000 Hz at no more than 0.8% total harmonic distortion. Rear19 W per channel into 4

6、 , 40 Hz to 20 000 Hz at no more than 0.8% total harmonic distortion. Load Impedance4 (4 to 8 allowance) Tone Control RangeBass10 dB at 100 Hz Treble10 dB at 10 kHz Frequency Response40 Hz to 20 000 Hz Signal-to-Noise Ratio70 dB Line-Out Level/Impedance2.0 V/20 k load (full scale) Output Impedance1

7、k TUNER SECTION Frequency RangeFM87.5 MHz to 108.0 MHz AM(MW) 522 kHz to 1 620 kHz (LW) 144 kHz to 279 kHz FM TunerUsable Sensitivity11.3 dBf (1.0 V/75 ) 50 dB Quieting Sensitivity16.3 dBf (1.8 V/75 ) Alternate Channel Selectivity (400 kHz) 65 dB Frequency Response40 Hz to 15 000 Hz Stereo Separatio

8、n30 dB Capture Ratio1.5 dB MW TunerSensitivity20 V Selectivity35 dB LW TunerSelectivity50 V CD PLAYER SECTION TypeCompact disc player Signal Detection SystemNon-contact optical pickup (semiconductor laser) Number of channels2 channels (stereo) Frequency Response5 Hz to 20 000 Hz Dynamic Range96 dB S

9、ignal-to-Noise Ratio98 dB Wow and FlutterLess than measurable limit GENERAL Power RequirementOperating VoltageDC 14.4 V (11 V to 16 V allowance) Grounding SystemNegative ground Allowable Operating Temperature0C to +40C Dimensions (W H D)Installation Size (approx.)182 mm 52 mm 150 mm Panel Size (appr

10、ox.)188 mm 58 mm 11 mm Mass (approx.)1.3 kg (excluding accessories) RadioFans.CN 收音机爱 好者资料库 (No.MA039)1-3 ? ?KD-G207 Design and specifications are subject to change without notice. AUDIO AMPLIFIER SECTION Maximum Power OutputFront50 W per channel Rear50 W per channel Continuous Power Output (RMS) Fr

11、ont19 W per channel into 4 , 40 Hz to 20 000 Hz at no more than 0.8% total harmonic distortion. Rear19 W per channel into 4 , 40 Hz to 20 000 Hz at no more than 0.8% total harmonic distortion. Load Impedance4 (4 to 8 allowance) Tone Control RangeBass10 dB at 100 Hz Treble10 dB at 10 kHz Frequency Re

12、sponse40 Hz to 20 000 Hz Signal-to-Noise Ratio70 dB Line-Out Level/Impedance2.0 V/20 k load (full scale) Output Impedance1 k TUNER SECTION Frequency RangeFM1/FM287.5 MHz to 108.0 MHz FM365.00 MHz to 74.00 MHz AM(MW) 522 kHz to 1 620 kHz (LW) 144 kHz to 279 kHz FM TunerUsable Sensitivity11.3 dBf (1.0

13、 V/75 ) 50 dB Quieting Sensitivity16.3 dBf (1.8 V/75 ) Alternate Channel Selectivity (400 kHz) 65 dB Frequency Response40 Hz to 15 000 Hz Stereo Separation30 dB Capture Ratio1.5 dB MW TunerSensitivity20 V Selectivity35 dB LW TunerSelectivity50 V CD PLAYER SECTION TypeCompact disc player Signal Detec

14、tion SystemNon-contact optical pickup (semiconductor laser) Number of channels2 channels (stereo) Frequency Response5 Hz to 20 000 Hz Dynamic Range96 dB Signal-to-Noise Ratio98 dB Wow and FlutterLess than measurable limit GENERAL Power RequirementOperating VoltageDC 14.4 V (11 V to 16 V allowance) G

15、rounding SystemNegative ground Allowable Operating Temperature0C to +40C Dimensions (W H D)Installation Size (approx.)182 mm 52 mm 150 mm Panel Size (approx.)188 mm 58 mm 11 mm Mass (approx.)1.3 kg (excluding accessories) RadioFans.CN 收音机爱 好者资料库 (No.MA039)1-7 SECTION 3 DISASSEMBLY 3.1Main body 3.1.1

16、Removing the front panel assembly (See Fig.1) (1) Push the detach button in the lower right part of the front panel assembly and remove the front panel assembly. Fig.1 3.1.2Removing the bottom cover (See Fig.2) (1) From the bottom side of the main body, release the two joints a, two joints b and joi

17、nt c. CAUTION: Do not damage the main board when releasing the joints using a screwdriver. Fig.2 3.1.3Removing the front chassis assembly (See Fig.3) Prior to performing the following procedures, remove the front panel assembly and bottom cover. (1) Remove the two screws A on the both sides of the m

18、ain body. (2) Release the two joints d and two joints e on the both sides of the main body, then remove the front chassis assembly toward the front. Fig.3 Front panel assembly Detach button Bottom cover Joint b Joint b Joint c Joint a Joint a Joint d Front chassis A Joint e Joint dJoint e 1-8 (No.MA

19、039) 3.1.4Removing the side panel (See Fig.4) Prior to performing the following procedure, remove the front panel assembly as required. (1) Remove the screw B and two screws C attaching the heat sink on the left side of the main body, and remove the side panel. Fig.4 3.1.5Removing the rear bracket (

20、See Fig.5) Prior to performing the following procedure, remove the bottom cover. (1) Remove the three screws D, screw E and two screws F at- taching the rear bracket on the back side of the main body. (2) Remove the rear bracket. 3.1.6Removing the main board (See Figs.5 and 6) Prior to performing th

21、e following procedures, remove the front panel assembly, bottom cover, front chassis assembly and side panel. Remove the front chassis assembly as required. (1) Remove the three screws D attaching the rear bracket on the back side of the main body. (See fig.5.) (2) From the bottom side of the main b

22、ody, remove the two screws H attaching the main board. (See fig.6.) (3) Disconnect the connector CN501 from the CD mechanism assembly and remove the main board. (See fig.6.) Reference: Remove the rear bracket from the main body as re- quired.(See 3.1.5 Removing the rear bracket .) During reassembly,

23、 before fixing the rear bracket onto the main body, insert the steering remote into the slot. (For G201 and G202) Fig.5 Fig.6 Side panel CBC FF D Rear bracket Insert the steering remote into the slot. E D Main board G G CN501 (No.MA039)1-9 3.1.7Removing the CD mechanism assembly (See Fig.7) Prior to

24、 performing the following procedure, remove the front panel assembly, bottom cover, front chassis assembly, side panel, rear bracket, main board and CD mechanism board. (1) Remove the three screws H attaching the top chassis. (2) Take out the CD mechanism assembly. (3) Fig.7 3.1.8Removing the front

25、board (See Figs.8 to 10) Prior to performing the following procedure, remove the front panel assembly. (1) Remove the four screws J on the back side of the front pan- el assembly. (See Fig.8.) (2) Release the ten joints f attaching the rear cover to the front panel assembly. (See Fig.9.) (3) Release

26、 the joint g and take out the front board. (See Fig.10.) Fig.8 Fig.9 Fig.10 H H CD mechanism assembly Top chassis J J J Joints f Joint fJoints f Joints f Joints f Joint f Front board Joint gFront panel assembly 1-10 (No.MA039) 3.2CD Mechanism Assembly 3.2.1Removing the top cover (See Figs.1 and 2) (

27、1) Remove the two screws A on the both side of the body. (2) Lift the front side of the top cover and move the top cover backward to release the two joints a. Fig.1 Fig.2 A A A Joints aTop cover Joints a Top cover (No.MA039)1-11 3.2.2Removing the connector board (See Figs.3 to 5) CAUTION: Before dis

28、connecting the flexible wire from the pickup, solder the short-circuit point on the pickup. No observance of this in- struction may cause damage of the pickup. (1) Remove the screw B fixing the connector board. (2) Solder the short-circuit point on the connector board. (3) Disconnect the flexible wi

29、re from the pickup. (4) Move the connector board in the direction of the arrow to release the two joints b. (5) Unsolder the wire on the connector board if necessary. CAUTION: Unsolder the short-circuit point after reassembling. Fig.3 Fig.4 Fig.5 B Connector board PickupShort-circuit point Joints b

30、Wires Pickup Short-circuit point (Soldering) Flexible wire B Flexible wire Connector board Frame 1-12 (No.MA039) 3.2.3Removing the DET switch (See Figs.6 and 7) (1) Extend the two tabs c of the feed sw. holder and pull out the switch. (2) Unsolder the DET switch wire if necessary. Fig.6 Fig.7 Connec

31、tor board DET switch Pickup DET switch Tab c Tab c DET switch wire Feed sw. holder (No.MA039)1-13 3.2.4Removing the chassis unit (See Figs.8 and 9) Prior to performing the following procedure, remove the top cover and connector board. (1) Remove the two suspension springs (L) and (R) attaching the c

32、hassis unit to the frame. CAUTION: The shape of the suspension spring (L) and (R) are dif- ferent. Handle them with care. When reassembling, make sure that the three shafts on the underside of the chassis unit are inserted to the dampers certainly. Fig.8 Fig.9 Suspension spring (L) Suspension spring

33、 (L) Suspension spring (R) Suspension spring (R) Chassis unit Frame Chassis unit Frame Shafts Shaft Damper Damper Damper 1-14 (No.MA039) 3.2.5Removing the clamper assembly (See Figs.10 and 11) Prior to performing the following procedure, remove the top cover. (1) Remove the clamper arm spring. (2) M

34、ove the clamper assembly in the direction of the arrow to release the two joints d. Fig.10 Fig.11 Clamper arm spring Chassis rivet assembly Joint d Joint d Clamper assembly Clamper arm spring Clamper assembly Joint d Joint d Chassis rivet assembly (No.MA039)1-15 3.2.6Removing the loading / feed moto

35、r assembly (See Figs.12 and 13) Prior to performing the following procedure, remove the top cover, connector board and chassis unit. (1) Remove the screw C and move the loading / feed motor assembly in the direction of the arrow to remove it from the chassis rivet assembly. (2) Disconnect the wire f

36、rom the loading / feed motor assembly if necessary. CAUTION: When reassembling, connect the wire from the loading / feed motor assembly to the flame as shown in Fig.12. Fig.12 Fig.13 Loading / feed motor assembly Loading / feed motor assembly C 1-16 (No.MA039) 3.2.7Removing the pickup unit (See Figs

37、.14 to 18) Prior to performing the following procedure, remove the top cover, connector board and chassis unit. (1) Remove the screw D and pull out the pu. shaft holder from the pu. shaft. (2) Remove the screw E attaching the feed sw. holder. (3) Move the part e of the pickup unit upward with the pu

38、. shaft and the feed sw. holder, then release the joint f of the feed sw. holder in the direction of the arrow. The joint g of the pickup unit and the feed rack is released, and the feed sw. holder comes off. (4) Remove the pu. shaft from the pickup unit. (5) Remove the screw F attaching the feed ra

39、ck to the pickup unit. 3.2.8Reattaching the pickup unit (See Figs.14 to 17) (1) Reattach the feed rack to the pickup unit using the screw F. (2) Reattach the feed sw. holder to the feed rack while setting the joint g to the slot of the feed rack and setting the part f of the feed rack to the switch

40、of the feed sw. holder correct- ly. (3) As the feed sw. holder is temporarily attached to the pickup unit, set to the gear of the joint g and to the bending part of the chassis (joint h) at a time. CAUTION: Make sure that the part i on the underside of the feed rack is certainly inserted to the slot

41、 j of the change lock lever. (4) Reattach the feed sw. holder using the screw E. (5) Reattach the pu. shaft to the pickup unit. Reattach the pu. shaft holder to the pu. shaft using the screw D. Fig.14 Fig.15 Fig.16 Fig.17 Fig.18 Feed sw. holder E D Joint g Joint f Part e Pickup unit Pu. shaft holder

42、 Pu. shaft Feed sw. holder Part e Pickup unit Feed rack Feed sw. holder D E Joint f Pu. shaft holder Pu. shaft Pickup unit Joint h Part i Slot j Joint g FFeed rack Pickup unit Joint f Joint g Feed rack Pickup unit Feed sw. holder (No.MA039)1-17 3.2.9Removing the trigger arm (See Figs.19 and 20) Prio

43、r to performing the following procedure, remove the top cover, connector board and clamper unit. (1) Turn the trigger arm in the direction of the arrow to release the joint k and pull out upward. CAUTION: When reassembling, insert the part m and n of the trigger arm into the part p and q at the slot

44、 of the chassis rivet assembly respectively and join the joint k at a time. Fig.19 Fig.20 3.2.10 Removing the top plate assembly (See Fig.21) Prior to performing the following procedure, remove the top cover, connector board, chassis unit, and clamper assembly. (1) Remove the screw H. (2) Move the t

45、op plate assembly in the direction of the arrow to release the two joints r. (3) Unsolder the wire marked s if necessary. Fig.21 Joint k Trigger arm Chassis rivet assembly Trigger arm Chassis rivet assembly Part p Part m Part n Part q Top plate assembly Joints r s H 1-18 (No.MA039) 3.2.11 Removing t

46、he mode sw. / select lock arm (See Figs.22 and 23) Prior to performing the following procedure, remove the top plate assembly. (1) Bring up the mode sw. to release from the link plate (joint t) and turn in the direction of the arrow to release the joint u. (2) Unsolder the wire of the mode sw. marke

47、d s if necessary. (3) Turn the select lock arm in the direction of the arrow to re- lease the two joints v. (4) The select lock arm spring comes off the select lock arm at the same time. Fig.22 Fig.23 Mode sw. Select lock arm Joint tLink plate Joint u s Top plate Top plate Select lock arm Select loc

48、k arm spring Select lock arm Link plate Joints v Hook w (No.MA039)1-19 3.2.12 Reassembling the mode sw. / select lock arm (See Figs.24 to 26) REFERENCE: Reverse the above removing procedure. (1) Reattach the select lock arm spring to the top plate and set the shorter end of the select lock arm sprin

49、g to the hook w on the top plate. (2) Set the other longer end of the select lock arm spring to the boss x on the underside of the select lock arm, and join the select lock arm to the slots (joint v). Turn the select lock arm as shown in the figure. (3) Reattach the mode sw. while setting the part t to the first peak of the link plate gear, and join the joint u. CAUTION: When reattaching the mode sw., check if the points y and z are correctly fitted and if each part operates properly. Fig.24 Fi