![Kenwood KDC-W4031 [3/38] Components description](/img/pdf.png)
Kenwood KDC-W4031 [3/38] Components description
![Kenwood KDC-WF431A [3/38] Electric unit x34 3402 7x](/views2/1263108/page3/bg3.png)
3
KDC-W4031/W4031Y/W409/W409Y
KDC-W431GY/W4531/W4531Y/WF431A
COMPONENTS DESCRIPTION
● ELECTRIC UNIT (X34-3402-7x)
Ref. No. Application / Function Operation / Condition
IC1 SYSTEM µ-COM System control.
IC3 POWER SUPPLY DC5Vx2, 7.9Vx1, 8.1Vx1, 10.3V, P.CON, P-ANT output.
IC4 POWER IC Audio signal amplifier.
IC6 MUTE LOGIC Mute control.
IC7 RDS DECODER RDS decode.
IC8 RESET “L” when detection voltage goes below 3.6V.
IC10 E-VOL & TUNER E-VOL, Tuner, Stereo decode.
IC11 E2PROM Saves and writes tuner adjustment data.
IC15 VFD REGULATOR 11.3V output voltage for LED and VFD.
Q51 SERGE DET “ON” when the base goes “H”.
Q52 BU DET “ON” when the base goes “H”.
Q53 ACC DET “ON” when the base goes “H”.
Q71 SERVO+B CONTROL SW “ON” when the base goes “H”.
Q72,73 SERVO+B AVR Output voltage level : 7.5V.
Q74 IC3 CONTROL SW “ON” when the base goes “H” (Output voltage : 10.3V).
Q151 PANEL 5V SW “ON” when the base goes “L”.
Q155 DSI ILLUMI SW “ON” when the base goes “L”.
Q252 IC4 STBY SW “ON” when the base goes “L”.
Q330 Q351, 352 MUTE DRIVER “ON” when the base goes “L”.
Q351 Lch PRE MUTE SW Pre-output is muted when the base goes “H”.
Q352 Rch PRE MUTE SW Pre-output is muted when the base goes “H”.
Q501 AM RF AMP Adjusts for AM-RF gain.
● CD PLAYER UNIT (X32-5500-00)
Ref. No. Application / Function Operation / Condition
Focusing, tracking, sled and spindle servo processing.
IC1
MECHANISM CONTROL Automatic adjustment (Focusing, tracking, gain, offset and balance) operations.
MICROPROCESSOR Digital signal processing (DSP, PLL, sub-codes, CIRC error correction, audio data
interpolation) operations, and microcomputer function.
Generation of RF signal based on the signals from the APC circuit and pickup, and
IC2
RF AMP/SERVO CD generation of servo error (Focusing error and tracking error) signals.
SIGNAL PROCESSOR Detection of dropout, anti-shock, track crossing and off-track conditions, included
gain control function during CD-RW.
IC3 MP3/WMA DECODER
IC4 4ch BTL DRIVER
Focusing coil, tracking coil, spindle motor and sled motor driver, disc loading and
eject operation.
IC5 SW 3.3V AVR
IC6 BU 3.3V AVR 3.3V power supply for back-up.
IC7 BU 2.5V AVR 2.5V power supply for back-up.
Содержание
- 2004 12 printed in japan b53 0230 00 n 1813 1
- Cd receiver 1
- Kdc w4031 y kdc w409 y kdc w431gy kdc w4531 y kdc wf431a 1
- Service manual 1
- Block diagram 2
- Cd player unit x32 5500 00 2
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 2
- Cd player unit x32 5500 00 3
- Components description 3
- Electric unit x34 3402 7x 3
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 3
- Components description 4
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 4
- Microcomputer s terminal description 4
- Switch unit x16 2932 7x 4
- System µ com ic1 on x34 electric unit 4
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 5
- Microcomputer s terminal description 5
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 6
- Microcomputer s terminal description 6
- Cd mecha control operation 7
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 7
- Microcomputer s terminal description 7
- Power supply ic ic3 control 7
- Rds afsl af search 7
- Truth table 7
- Tun type 7
- Cd mechanism µ com ic1 on x32 cd player unit 8
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 8
- Microcomputer s terminal description 8
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 9
- Microcomputer s terminal description 9
- Beep is sounded at all time with the key depressed for less than 1 second 10
- Crsc is off system q is natural 10
- How to enter the test mode 10
- How to release the test mode 10
- Initial conditions of the test mode 10
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 10
- Press reset button the release cannot be achieved in 10
- Special displays when all indicator lights are lighted 10
- Standby sources are lighted the following displays will ap pear 10
- Test mode 10
- The conditions of power off and acc off 10
- The source is standby the displays all lit up 10
- The volume is at 10db the display shows 30 loud is off 10
- When preset keys are pressed while all indicators for the 10
- While simultaneously press preset 1 key and preset 3 key press reset button 10
- Dc offset error detection confirmation mode 11
- How to enter the forced power on mode 11
- How to register the security code on the car audio passport sheet after replacing e2prom ic11 11
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 11
- Mechanism memory clear confirmation mode 11
- Security kdc w4531 w4531y only 11
- Special mode 11
- 1st am mix 2nd am mix adjustment 12
- Adjust so that s meter voltage value becomes maximum 12
- Adjustment 12
- Adjustment point l508 1st am mix l509 2nd am mix 12
- Adjustment point l518 12
- After replacing the following parts adjust as follows 12
- Fm antenna adjustment 12
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 12
- Sg setting 12
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 13
- Pc board 13
- Pc board component side view foil side view 13
- Switch unit x16 2932 7x 13
- Switch unit x16 2932 7x j76 0055 02 13
- Electric unit x34 3402 7x 14
- Electric unit x34 3402 7x j76 0048 12 14
- Foil side view 1 2 14
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 14
- Pc board foil side view 14
- Foil side view 2 2 15
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 15
- O n m l k 15
- Refer to the schematic diagram for the values of resistors and capacitors 15
- Cd player unit x32 5500 00 16
- Cd player unit x32 5500 00 j74 1552 12 16
- Component side view 16
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 16
- Pc board component side view 16
- Cd player unit x32 5500 00 j74 1552 12 17
- Foil side view 17
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 17
- Pc board foil side view 17
- A b c d e 18
- Electric unit x34 3402 7x 18
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 18
- Schematic diagram 18
- X34 3402 7x 1 4 18
- Dsi illumi sw 19
- E2prom 19
- J i h g f 19
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 19
- Md receiver 19
- Mute logic 19
- Panel 5v sw 19
- S meter 19
- Sb1565 dta114ee dtc143tua 2sa1576a 2sc4617 19
- Sd1858 2sc4081 dta124eua 19
- System u com 19
- To cd or md player unit x32 or x33 19
- Vfd regulator 19
- X34 3402 7x 2 4 19
- K l m n o 20
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 20
- Umc2n dan202u da204u dta114yua tc7sh08fu 20
- X34 3402 7x 3 4 20
- Caution for continued safety replace safety critical components only with manufacturer s recommended parts refer to parts list 21
- Dc voltages are as measured with a high impedance voltmeter values may vary slightly due to variations between individual instruments or and units 21
- 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 21
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 21
- T s r q p 21
- X34 3402 7x 4 4 21
- 2d 1d 2n 1n 2p 1p 2r 1r 2e 1e 2c 1c 2g 1g 2m 1m 2f 1f 2a 1a 2h 1h 2j 1j 2k 1k 2b 1b 22
- A 1a 2a 1a 2a 22
- Col 3d 3n 3p 22
- Col downside 2d 1d 2n 1n 2p 1p 2r 1r 2e 1e 2c 1c 2g 1g 2m 1m 2f 1f 2a 1a 2h 1h 2j 1j 2k 1k 2b 1b 22
- Col upside 22
- D e c g f b a 22
- Dp 3d 3n 3p 22
- Ga 3gb 2g pin name 1ga 1gb 22
- J5 x34 22
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 22
- M 3f 3b 3k 3j 3h 3a 22
- P1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 p13 p14 p15 p16 p17 p18 p19 p20 p21 p22 p23 p24 p25 p26 p27 p28 p29 22
- P34 p35 p36 p37 p38 22
- P43 p44 p45 p46 p47 p48 p49 22
- Remote sensor pan sw5v 22
- S1 2d 1d 2n 1n 2p 1p 2r 1r 2e 1e 2c 1c 2g 1g 2m 1m 2f 1f 2a 1a 2h 1h 2j 1j 2k 1k 2b 1b 22
- S6 s7 s8 s9 s10 22
- Switch unit x16 2932 7x 22
- U v w x y 22
- Vfd driver 22
- X16 2932 7x 1 2 22
- A 1a 2a 3a 23
- Ad ac ab aa z 23
- Caution for continued safety re place safety critical components only with manufacturer s recommended parts refer to parts list 23
- Dc voltages are as measured with a high impedance voltmeter values may vary slightly due to variations between individual instruments or and units 23
- Downside 23
- Indicates safety critical components to reduce the risk of electric shock leakage current or resistance measure ments shall be carried out exposed parts are acceptably insulated from the supply circuit before the appliance is returned to the customer 23
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 23
- Upside 23
- X16 2932 7x 2 2 23
- Ae af ag ah ai 24
- Cd player unit x32 5500 00 24
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 24
- X32 5500 00 1 2 24
- An am al ak aj 25
- Caution for contin ued safety replace safety critical compo n e n t s o n l y w i t h manufacturer s recom mended parts refer to parts list 25
- Dc voltages are as measured with a high impedance voltmeter values may vary slightly due to varia tions between indi vidual instruments or and units 25
- Indicates safety criti cal components to re duce the risk of electric shock leakage current or resistance measure ments shall be carried out exposed parts are acceptably insulated from the supply circuit before the appliance is returned to the customer 25
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 25
- X32 5500 00 2 2 25
- Cd mechanism 26
- Exploded view 26
- Exploded view cd mechanism 26
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 26
- Parts with the exploded numbers larger than 700 are not supplied 26
- Exploded view unit 27
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 27
- Parts with the exploded numbers larger than 700 are not supplied 27
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 28
- Kdc w4031 w4031y w409 w409y w431gy w4531 w4531y wf431a 28
- Parts list 28
- Switch unit x16 2932 7x 28
- Cd player unit x32 5500 00 29
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 29
- Parts list 29
- Switch unit x16 2932 7x 29
- Cd player unit x32 5500 00 30
- E kdc w4531 e1 kdc w4031 e2 kdc w409 e3 kdc w431gy e6 kdc wf431a e7 kdc w4531y e8 kdc w4031y e9 kdc w409y e europe k north america m other areas w without europe 30
- Electric unit x34 3402 7x 30
- Indicates safety critical components 30
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 30
- Parts list 30
- Electric unit x34 3402 7x 31
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 31
- Parts list 31
- Electric unit x34 3402 7x 32
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 32
- Parts list 32
- Electric unit x34 3402 7x 33
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 33
- Parts list 33
- Electric unit x34 3402 7x 34
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 34
- Parts list 34
- Electric unit x34 3402 7x 35
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 35
- Mechanism unit x92 4850 00 35
- Parts list 35
- E kdc w4531 e1 kdc w4031 e2 kdc w409 e3 kdc w431gy e6 kdc wf431a e7 kdc w4531y e8 kdc w4031y e9 kdc w409y e europe k north america m other areas w without europe 36
- Indicates safety critical components 36
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 36
- Mechanism unit x92 4850 00 36
- Parts list 36
- Capacitors 37
- Chip capacitors 37
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 37
- Resistors 37
- Amplifier 38
- General 38
- Kdc w4031 w4031y w409 w409y kdc w431gy w4531 w4531y wf431a 38
- Kenwood corporation 38
- Specifications 38
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