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Instruction Manual
CD RECEIVER
KDC-3031A/AY/G/GY
QQ
3 7 63 1515 0
KDC-309A/G
KDC-F331A/G
SERVICE MANUAL
PANEL ASSY
KDC-3031A/AY/G/GY (A64-3458-12)
VOL
AUD
SET UP
FF
MENU
PANEL ASSY
KDC-F331A/G (A64-3460-02)
VOL
AUD
SET UP
MENU
FF
TE
L 13942296513
LEVER
(D10-4589-04) x2
ANTENNA ADAPTOR
(T90-0523-05)
www
.
/PTY
SCAN
RDM
REP
/PTY
SCAN
RDM
REP
DC CORD
(E30-6413-05)
* ESCUTCHEON
(B07-xxxx-xx)
x
ao
u163
y
i
2 9
8
PANEL ASSY
KDC-309A/G (A64-3459-12)
VOL
AUD
SET UP
MENU
FF
SPARE TDF PANEL
MAIN UNIT NAME
KDC-3031A/AY/G/GY
KDC-309A/G
KDC-F331A/G
Q Q
3
6 7
1 3
1 5
PLASTIC CABINET ASSY
(A02-2736-03)
* Depends on the model. Refer to the parts list.
co
.
9 4
2 8
© 2004-12 PRINTED IN JAPAN
B53-0232-00 ( N ) 1813
/PTY
SCAN
RDM
REP
TDF PARTS No.
TDF NAME
Y33-2140-62
TDF-3031
Y33-2140-64
TDF-309
Y33-2140-63
TDF-WF431
0 5
8
2 9
9 4
2 8
MOUNTING HARDWARE ASSY
(J21-9716-03)
m
This product uses Lead Free solder.
9 9
9 9
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Summary of Contents for Kenwood KDC-3031A
- Page 1 CD RECEIVER KDC-3031A/AY/G/GY 3 7 63 1515 0 KDC-309A/G KDC-F331A/G SERVICE MANUAL © 2004-12 PRINTED IN JAPAN B53-0232-00 ( N ) 1813 PANEL ASSY PANEL ASSY KDC-3031A/AY/G/GY (A64-3458-12) KDC-309A/G (A64-3459-12) /PTY /PTY SET UP SET UP SCAN MENU SCAN MENU...
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Page 2: Block Diagram
KDC-3031A/3031AY/3031G/3031GY KDC-309A/309G/F331A/F331G BLOCK DIAGRAM 3 7 63 1515 0 ELECTRIC UNIT (X34-) L506 FM AGC AM+B Q501 Q351,352 AM AGC PRE MUTE PRE OUT IC10 FM (J/K Type) : 1800mV FM (E Type) 1372mV AM (J/K Type) 600mV MPX OUT... - Page 3 KDC-3031A/3031AY/3031G/3031GY KDC-309A/309G/F331A/F331G COMPONENTS DESCRIPTION 3 7 63 1515 0 ELECTRIC UNIT (X34-3412-7x) Ref. No. Application / Function Operation / Condition SYSTEM µ-COM System control. POWER SUPPLY DC5Vx2, 7.9Vx1, 8.1Vx1, 10.3V, P.CON, P-ANT output. POWER IC Audio signal amplifier. MUTE LOGIC Mute control.
- Page 4 KDC-3031A/3031AY/3031G/3031GY KDC-309A/309G/F331A/F331G COMPONENTS DESCRIPTION 3 7 63 1515 0 SWITCH UNIT (X16-2932-7x) Ref. No. Application / Function Operation / Condition VFD DRIVER REMOTE SENSOR GREEN LED SW “ON” when the base goes “H”. RED LED SW “ON” when the base goes “H”.
- Page 5 KDC-3031A/3031AY/3031G/3031GY KDC-309A/309G/F331A/F331G MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Active Pin No. Pin Name Application Processing Operation (H/L) RESET2 Mute for reset Output L RDS DATA RDS decoder data input VSS1 RDS QUAL RDS decoder QUAL input ACC DET...
- Page 6 TUN SMETER Tuner S-meter input TRUTH TABLE • TUN TYPE TYPE 1 TYPE 2 General models commercially-designated as pure KENWOOD brand (Initial value) Initial value setting • RDS AFSL (AF search) Normal condition communication (IC10 side : High) L 13942296513 High...
- Page 7 KDC-3031A/3031AY/3031G/3031GY KDC-309A/309G/F331A/F331G MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 CD MECHANISM µ-COM : IC2 on X32- (CD PLAYER UNIT) Active Pin No. Pin Name Application Processing Operation (H/L) Traverse drive output (PWM output). Spindle motor drive output (PWM output).
- Page 8 KDC-3031A/3031AY/3031G/3031GY KDC-309A/309G/F331A/F331G MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Active Pin No. Pin Name Application Processing Operation (H/L) 8EJE SW 12EJE/SDET SW Loading-end detection / H : Loading-end detection LOE/LIM SW Pick-up inner circumference detection. L : Pick-up inner circumference detection 45~49 No connection.
- Page 9 KDC-3031A/3031AY/3031G/3031GY KDC-309A/309G/F331A/F331G TEST MODE 3 7 63 1515 0 How to enter the test mode PRESET • When pressed for less than 1 second : CD EJECT While simultaneously press PRESET “1” key and PRESET “3” “5” key number display key, press “RESET”...
- Page 10 KDC-3031A/3031AY/3031G/3031GY KDC-309A/309G/F331A/F331G SPECIAL MODE ADJUSTMENT 3 7 63 1515 0 After replacing the following parts, adjust as follows. DC offset error detection confirmation mode Confirmation mode : While depressing PRESET “3” key and PRESET “6” key REPLACED PARTS ADJUSTMENT ITEMS simultaneously, press on the “RESET”...
- Page 11 KDC-3031A/3031AY/3031G/3031GY KDC-309A/309G/F331A/F331G PC BOARD 3 7 63 1515 0 (COMPONENT SIDE VIEW) (FOIL SIDE VIEW) SWITCH UNIT X16-2932-7x (J76-0055-02) SWITCH UNIT X16-2932-7x (J76-0055-02) PAN-SW5V FL-SW9.8V LED+B PAN5V L 13942296513 FL+B X16-2932-7x DATAS Ref. No. Address REMO RTRY-CCW TDF-DET ESD-GND Refer to the schematic dia- gram for the values of resis- tors and capacitors.
- Page 12 KDC-3031A/3031AY/3031G/3031GY KDC-309A/309G/F331A/F331G PC BOARD (FOIL SIDE VIEW) 3 7 63 1515 0 ELECTRIC UNIT X34-3412-7x (J76-0048-12) J1/L51 W351 W312 W352 W335 W423 W251 C256 W252 C257 C258 C255 W398 R254 R253 W405 W406 W346 R273 R252 R257 R251 R271 W331...
- Page 13 KDC-3031A/3031AY/3031G/3031GY KDC-309A/309G/F331A/F331G 3 7 63 1515 0 2 3 4 8 12 11 13 W251 Q352 Q351 C521 L505 L518 C303 C525 L600 C507 D503 L501 L520 Q330 W306 C516 C332 L506 R594 C604 D504 C626 C331 C527 W823 C503...
- Page 14 KDC-3031A/3031AY/3031G/3031GY KDC-309A/309G/F331A/F331G PC BOARD (COMPONENT SIDE VIEW) 3 7 63 1515 0 CD PLAYER UNIT X32-5750-00 (J76-0059-02) L 13942296513 X32-5750-00 Ref. No. Address u163 Refer to the schematic diagram for the values of resistors and capacitors.
- Page 15 KDC-3031A/3031AY/3031G/3031GY KDC-309A/309G/F331A/F331G PC BOARD (FOIL SIDE VIEW) 3 7 63 1515 0 CD PLAYER UNIT X32-5750-00 (J76-0059-02) SLED DRVMUTE SPDL LOE/LIM A.GND A.+8V C100 R100 /MRST /MSTOP SLED OUT /MUTEL /LOAD L 13942296513 /MUTER SLED IN /EJECT BU.5V Vref 2...
- Page 16 KDC-3031A/3031AY/3031G/3031GY KDC-309A/309G/F331A/F331G 3 7 63 1515 0 DAUGHTER UNIT (X89-2690-10) ELECTRIC UNIT (X34-3xxx-xx) 2-PREOUT MUTE L602 C221 R229 R221 10u16 Q221 CN91 CN90 4.7K L509 MUTE CF51 CF52 2 VDD L508 Q222 CF53 10.700MHz 10.700MHz Q225 10.700MHz W101 4.7K C222...
- Page 17 KDC-3031A/3031AY/3031G/3031GY KDC-309A/309G/F331A/F331G 3 7 63 1515 0 L602 D203 C201 0.01 3,43 TP404 MUTE LOGIC CF54 000kHz S-METER 4.5V ∗ R431 C565 TP408 ∗ R471 ∗ R470 C512 2.2K 10u16 5.0V TUN SMETER TP411 0.5V or RDS NOISE TUN SD 5.0V...
- Page 18 R252 TP31 D401 B30-1567-05 Q252 D501 RN739F D502,503 KP2311ETR-G D504 KV1430STL-G CONTROL STBY D506 HVC383B-E SIGNAL LINE R141 R140 R139 R138 R137 R136 R135 GND LINE FL+B B LINE KDC-3031A/3031AY/3031G/3031GY/309A/309G/F331A/F331G (1/2) u163 DTA124EUA UMC2N DAN202U DA204U DTC124EUA DTA114YUA X34-3412-7x (3/4)
- Page 19 KDC-3031A/3031AY/3031G/3031GY KDC-309A/309G/F331A/F331G 3 7 63 1515 0 (X34-3xxx-xx) CATEGORY/ DESTI- C333, C605, D72, MODEL NAME X34-340x-xx X34-341x-xx X34-365x-xx C152 C255 C526 C604 606 CN3 D162 D260 Q151 FUNCTION NATION E303/S 0-01 YES YES YES YES YES YES YES YES 784225GC256A...
- Page 20 KDC-3031A/3031AY/3031G/3031GY KDC-309A/309G/F331A/F331G 3 7 63 1515 0 SWITCH UNIT (X16-293x-xx) ANODE CONNECTION 3GA,3GB 1GA,1GB NAME — col (Downside) (3GB/1GB/3GA/2G) R80 33 R82 33 col (Upside) — — — — — REMOTE ∗ SW5V SENSOR (14-SEGMENT) KEY MATRIX L 13942296513 DISP ∗...
- Page 21 KDC-3031A/3031AY/3031G/3031GY KDC-309A/309G/F331A/F331G 3 7 63 1515 0 CAUTION : For continued safety, re- place safety critical components only with manufacturer’s recommended parts (refer to parts list). Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measure-...
- Page 22 KDC-3031A/3031AY/3031G/3031GY KDC-309A/309G/F331A/F331G 3 7 63 1515 0 CD PLAYER UNIT (X32-5750-00) RFENV D.GND C34 0.1 4.80V C32 0.1 BU+5V 470P 470P L.P.F. 3.10V 1.25V 2.40V 3.10V 3.10V 1.70V IREF R100 C100 8EJE SW 3.10V 1000P PLLF2 12EJE/SDET SW PLLF 3.84V 4.7K...
- Page 23 KDC-3031A/3031AY/3031G/3031GY KDC-309A/309G/F331A/F331G 3 7 63 1515 0 CAUTION : For continued safety, replace safety critical compo- nents only with manufacturer’s IOP+ IOP- recommended parts (refer to R7 3.6K parts list). Indicates safety critical com- ponents. To reduce the risk of 3.3K...
- Page 24 KDC-3031A/3031AY/3031G/3031GY KDC-309A/309G/F331A/F331G EXPLODED VIEW (CD MECHANISM) 3 7 63 1515 0 DPU1 L 13942296513 DFPC1 (X32) φ : N09-4460-05 : N09-4472-15 M1.7x8.0 M1.7x2.5 : N09-6004-05 M2x2 : N09-6007-05 u163 φ : N09-6051-05 2x5(BLK) : N19-2163-04 1.6 WASHER : N39-2020-46 M2x2 : N09-6108-05 M2x3.5...
- Page 25 KDC-3031A/3031AY/3031G/3031GY KDC-309A/309G/F331A/F331G EXPLODED VIEW (UNIT) 3 7 63 1515 0 DME1 : N29-0205-04 : N80-2006-48 : N80-2008-43 : N83-3005-48 : N86-2610-48 : N80-3010-48 : N83-3005-48 : N83-3020-48 : N86-2606-48 (X34) L 13942296513 (X16-) (X34-) u163 Parts with the exploded numbers larger than 700 are not supplied.
- Page 26 PROTECTION BAG (280X450X0.03) E1E2E3 CC73GCH1H470J CHIP C 47PF H25-1111-04 PROTECTION BAG (280X450X0.03) E4E5E u163 E59-0840-05 RECTANGULAR PLUG H54-3302-03 ITEM CARTON CASE (KDC-3031A) E4 H54-3303-03 ITEM CARTON CASE (KDC-3031G) E5 CP11 RK74HB1J103J CHIP-COM 10K J 1/16W H54-3304-03 ITEM CARTON CASE (KDC-309A) E RK73GB2A471J...
- Page 27 J 1/10W E : KDC-309A E1 : KDC-309G E2 : KDC-F331A E3 : KDC-F331G Indicates safety critical components. E4 : KDC-3031A E5 : KDC-3031G E6 : KDC-3031AY E7 : KDC-3031GY (E : Europe K : North America M : Other Areas...
- Page 28 0.033UF K E : KDC-309A E1 : KDC-309G E2 : KDC-F331A E3 : KDC-F331G Indicates safety critical components. E4 : KDC-3031A E5 : KDC-3031G E6 : KDC-3031AY E7 : KDC-3031GY (E : Europe K : North America M : Other Areas...
- Page 29 D 1/10W E : KDC-309A E1 : KDC-309G E2 : KDC-F331A E3 : KDC-F331G Indicates safety critical components. E4 : KDC-3031A E5 : KDC-3031G E6 : KDC-3031AY E7 : KDC-3031GY (E : Europe K : North America M : Other Areas...
- Page 30 0 OHM J 1/8W E : KDC-309A E1 : KDC-309G E2 : KDC-F331A E3 : KDC-F331G Indicates safety critical components. E4 : KDC-3031A E5 : KDC-3031G E6 : KDC-3031AY E7 : KDC-3031GY (E : Europe K : North America M : Other Areas...
- Page 31 GEAR E : KDC-309A E1 : KDC-309G E2 : KDC-F331A E3 : KDC-F331G Indicates safety critical components. E4 : KDC-3031A E5 : KDC-3031G E6 : KDC-3031AY E7 : KDC-3031GY (E : Europe K : North America M : Other Areas...
- Page 32 E : KDC-309A E1 : KDC-309G E2 : KDC-F331A E3 : KDC-F331G Indicates safety critical components. E4 : KDC-3031A E5 : KDC-3031G E6 : KDC-3031AY E7 : KDC-3031GY (E : Europe K : North America M : Other Areas...
- Page 33 KDC-3031A/3031AY/3031G/3031GY KDC-309A/309G/F331A/F331G 3 7 63 1515 0 CAPACITORS 2 2 0 • Capacitor value CC45 Color* 010 = 1pF 0 = 22pF 1 = Type ... ceramic, electrolytic, etc. 4 = Voltage rating 100 = 10pF 2 = Shape ... round, square, etc.
- Page 34 S/N Ratio ............93dB (1kHz) Dynamic Range ............. 93dB Channel Separation ............85dB 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.