Kenwood GX-201KEF2 Service Manual

6cd/cassette & heater control receiver

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6CD/CASSETTE & HEATER CONTROL RECEIVER
GX-201KEF2/LEF2
QQ
3 7 63 1515 0
SERVICE MANUAL ( TENTATIVE )
SUBARU GENUINE
GX-201LEF2
COMPACT
VOL ADJ
DIGITAL AUDIO
REG
TUNE
TRACK
B NR
TE
L 13942296513
OFF
GX-201SEF2
COMPACT
DIGITAL AUDIO
SCAN
TUNE
TRACK
B NR
OFF
www
* Part number of panel assy is undecided.
The knobs with numbers larger than 700 on exploded view are not supplied for service parts because
it is difficult to apply grease. Please change to panel assy (PA1) when you need repair to the knob.
.
The 6CD mechanism has not supplied repair parts for each part (for Optical Laser pickup, motor etc).
If you need repair to the 6CD mechanism please change to mechanism assy (D40-1170-15).
DC cord for service
Antenna connector replacement cord for service : E30-6255-05
/REF2/SEF2
Model
GX-201LE
GX-201RE
GX-201KE
GX-201SE
Panel assy
(
-
LOAD
CHR
LOCAL
DX
DOLBY B NR
SCAN
RDM
A/C
MODE
Panel assy
(
-
LOAD
CHR
DOLBY B NR
A/C
MODE
x
ao
u163
y
i
2 9
8
Model Name
GX-201LEF2
86201AG410
GX-201REF2
86201AG310
GX-201KEF2
86201AG210
GX-201SEF2
86201AG510
)*
GX-201REF2
COMPACT
DIGITAL AUDIO
LOAD
CD
CD
BAND
CHR
BAND
TAPE
TAPE
Q Q
3
6 7
1 3
)*
GX-201KEF2
COMPACT
DIGITAL AUDIO
LOAD
CD
CD
BAND
CHR
BAND
TAPE
TAPE
.
: E30-3801-15
9 4
2 8
© 2003-8 CREATED IN JAPAN
B53-0087-00 ( N ) 0
Parts No.
Destination
Europe (left-hand-drive cars)
Europe (right-hand-drive cars)
Other Areas (right-hand-drive cars)
Other Areas (left-hand-drive cars)
LOCAL
DX
ANTI-THEFT SYSETM
DOLBY B NR
SCAN
RDM
B NR
1 5
0 5
8
2 9
9 4
MODE
A/C
DOLBY B NR
B NR
MODE
A/C
m
co
9 9
Panel assy
(
-
)*
VOL ADJ
REG
TUNE
TRACK
2 8
9 9
OFF
Panel assy
(
-
)*
SCAN
TUNE
TRACK
OFF

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Summary of Contents for Kenwood GX-201KEF2

  • Page 1 6CD/CASSETTE & HEATER CONTROL RECEIVER GX-201KEF2/LEF2 3 7 63 1515 0 /REF2/SEF2 SERVICE MANUAL ( TENTATIVE ) © 2003-8 CREATED IN JAPAN B53-0087-00 ( N ) 0 SUBARU GENUINE Model Model Name Parts No. Destination GX-201LE GX-201LEF2 86201AG410 Europe (left-hand-drive cars)
  • Page 2 GX-201KEF2/LEF2/REF2/SEF2 CAUTION ON TRANSPORTING 3 7 63 1515 0 When transporting the unit, 6CD-CH mechanism must be 2. Center Screw condition (By the external view of the mecha- put into the transport mode. nism, it is possible to make judgment on this by the PLATE- RACK pin position.)
  • Page 3: Block Diagram

    GX-201KEF2/LEF2/REF2/SEF2 BLOCK DIAGRAM 3 7 63 1515 0 (X14- ) (X89-254) FM/AM IC31 IC21 IC11 6CD SERVO CASSETTE BU5V, AUDIO8V, AIR-CONDITIONER LED10V AVR UART COMMUNICATION Q602 Q605 Q104 Q102 Q813 Q808 DC/DC DC/DC AM 8V FM 8V Q815 IC12 BU DET...
  • Page 4 F-BUS control Q1,2 Cassette mechanism main motor power supply switch For cassette mechanism main motor Q101 Diversity switch When turned ON, turns diversity OFF (Only for GX-201KEF2) Q102,103 FM power supply switch When FM, 8V output Q104,105 AM power supply switch...
  • Page 5 GX-201KEF2/LEF2/REF2/SEF2 COMPONENTS DESCRIPTION 3 7 63 1515 0 Ref. No. Application / Function Operation / Condition / Compatibility Q802 Illumination + detection For illumination + detection Q803 Reset output switch for F-BUS When resetting F-BUS, Hi output Q804 NAVI mute switch...
  • Page 6 GX-201KEF2/LEF2/REF2/SEF2 COMPONENTS DESCRIPTION 3 7 63 1515 0 Ref. No. Application / Function Operation / Condition / Compatibility Panel illumination switch When panel illumination ON, GND electrical potential F differential indicator dimmer control When dimmer OFF, GND electrical potential R differential indicator dimmer control...
  • Page 7 GX-201KEF2/LEF2/REF2/SEF2 MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 SYSTEM MICROCONTROLLER IC : 703037AGF-A15 (X14 : IC81) Pin No. Pin Name Application Processing Operation Description SC_DATAIN Slave data output (Panel communication) (UART) 19200bps PLL_SDA F/E (+EEPROM) data input/output (I2C) 100kHz or less...
  • Page 8 GX-201KEF2/LEF2/REF2/SEF2 MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Pin No. Pin Name Application Processing Operation Description Sub-system clock oscillation terminal REGC Main system clock oscillation terminal 12.58MHz Main system clock oscillation terminal 12.58MHz GND electrical potential 5V electrical potential...
  • Page 9 GX-201KEF2/LEF2/REF2/SEF2 MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Pin No. Pin Name Application Processing Operation Description SUB+ CS sub-motor control SUB- CS sub-motor control MODE3 CS FF/REW/FWD/REV detection MODE1 CS FF/REW/FWD/REV detection MODE2 CS FF/REW/FWD/REV detection CDX_ACC 6CD ACC...
  • Page 10 GX-201KEF2/LEF2/REF2/SEF2 MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 PANEL MICROCONTROLLER : 90587CAPFV13x (X25 : IC1) Pin No. Pin Name Application Processing Operation Description KR2_A Key matrix (RET : 2Bit) KR3_A Key matrix (RET : 3Bit) KR4_A Key matrix (RET : 4Bit)
  • Page 11 GX-201KEF2/LEF2/REF2/SEF2 MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Pin No. Pin Name Application Processing Operation Description 43,44 Not used, Open Detect IGN signal. Lo : Communication permitted, IGN_DET External interruption 0 (IGN signal) Hi : Communication prohibited External interruption 1 Breakup condition output from Audio.
  • Page 12 GX-201KEF2/LEF2/REF2/SEF2 MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Pin No. Pin Name Application Processing Operation Description Sub clock terminals for accommodating 2 clocks Sub clock terminals for accommodating 2 clocks Not used, Connected to GND GND connection terminal CPU main clock supply 3.9936MHz crystal is used.
  • Page 13 GX-201KEF2/LEF2/REF2/SEF2 SECURITY CODE (GX-201REF2) 3 7 63 1515 0 The audio security system has been set for GX-201REF2 As a result of confirmation, if the code is judged to be au- and GX-201RHF2. thentic, the system goes into normal operation. However, if the code is not judged to be authentic, then the system goes into the Security mode.
  • Page 14 GX-201KEF2/LEF2/REF2/SEF2 ADJUSTMENT 3 7 63 1515 0 TUNER INPUT OUTPUT ALIGNMENT ITEM (RECEIVER) ALIGN FOR SETTINGS SETTINGS POINTS SETTINGS CASSETTE DECK SECTION Connect a Adjust the azimuth for each TCC-153 Head Azimuth AZIMUTH AC voltmeter TAPE PLAY Lch/Rch or FWD/RVS...
  • Page 15 GX-201KEF2/LEF2/REF2/SEF2 PC BOARD (FOIL SIDE VIEW) 3 7 63 1515 0 DOLBY NOISE REDUCTION UNIT X87-3052-70 (J74-1366-12) DOLBY DOLBY L DOLBY R 20 21 X87-3052-70 Ref No. Address L 13942296513 Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 16 GX-201KEF2/LEF2/REF2/SEF2 PC BOARD (COMPONENT SIDE VIEW) 3 7 63 1515 0 SYNTHESIZER UNIT X14-694x-xx (J74-1350-52) F701 IC41 D812 C815 C816 F501 R922 C839 C840 R930 D503 D504 C212 C211 CN14 CN13 D803 C106 C612 L701 C701 IC11 C431 D702 F602...
  • Page 17 GX-201KEF2/LEF2/REF2/SEF2 3 7 63 1515 0 DAUGHTER UNIT X89-2542-71 (J74-1349-12) R410 R409 IC41 C407 R404 C408 R403 C405 MAIN X14-694x-xx C110 Ref No. Address C305 IC11 C108 IC31 C301 R106 L102 IC12 C303 R105 IC11 IC13 R104 IC14 R107 D302...
  • Page 18 GX-201KEF2/LEF2/REF2/SEF2 PC BOARD (FOIL SIDE VIEW) 3 7 63 1515 0 SYNTHESIZER UNIT X14-694x-xx (J74-1350-52) C423 C424 C901 R501 C111 C101 R102 RF-G Q820 FMIN AMIN D810 Q804 GND1 C112 R837 R838 FM+B GND2 AM+B Q817 W305 R932 R997 GND3...
  • Page 19 GX-201KEF2/LEF2/REF2/SEF2 3 7 63 1515 0 DAUGHTER UNIT X89-2542-71 (J74-1349-12) R501 C502 C504 C302 C304 C306 C652 R302 C653 C122 R301 R110 Q302 C614 BU-SERVO C108 C124 C123 Q606 Q303 X14-694x-xx Ref No. Address C119 C106 IC82 IC86 C120 IC87...
  • Page 20 GX-201KEF2/LEF2/REF2/SEF2 PC BOARD (COMPONENT SIDE VIEW) 3 7 63 1515 0 SWITCH UNIT (GX-201KEF2/REF2) X25-929x-xx (J74-1341-22) LOAD BAND TAPE DISP DISP L 13942296513 A-STORE TONE TONE TONE BAL/FAD S129 F DEF F DEF S130 R DEF R DEF u163 DOWN...
  • Page 21 GX-201KEF2/LEF2/REF2/SEF2 3 7 63 1515 0 CDEJ SCAN TAPEEJ L 13942296513 MDEJ NEWS SEEK SEEK DOWN u163 Refer to the schematic diagram for the values of resistors and ca- CLOSE/OPEN AIR pacitors.
  • Page 22 GX-201KEF2/LEF2/REF2/SEF2 PC BOARD (FOIL SIDE VIEW) 3 7 63 1515 0 SWITCH UNIT (GX-201KEF2/REF2) X25-929x-xx (J74-1341-22) R111 R108 R147 R146 R143 L 13942296513 R142 LAMP+B HTR RX R116 R131 R113 R130 KS3 KR1 R145 R134 R144 R135 KS2 KS1 u163...
  • Page 23 GX-201KEF2/LEF2/REF2/SEF2 3 7 63 1515 0 R172 L 13942296513 X25-929x-xx Ref No. Address SCR1 R140 SCR0 R139 R138 R129 FL(A)+B R181 C55 C16 R103 R182 R183 R184 R185 R164 R118 R163 R124 R110 R112 R109 R133 u163 Refer to the schematic diagram for the values of resistors and ca- pacitors.
  • Page 24 GX-201KEF2/LEF2/REF2/SEF2 PC BOARD (COMPONENT SIDE VIEW) 3 7 63 1515 0 SWITCH UNIT (GX-201LEF2/SEF2) X25-9292-72 (J74-1348-12) CDEJ SCAN TAPEEJ L 13942296513 NEWS LOCAL SEEK SEEK DOWN u163 DOWN CLOSE/OPEN AIR...
  • Page 25 GX-201KEF2/LEF2/REF2/SEF2 3 7 63 1515 0 LOAD BAND TAPE DISP L 13942296513 A-STORE TONE TONE TONE BAL/FAD S129 F DEF F DEF S130 R DEF R DEF u163 Refer to the schematic diagram MODE for the values of resistors and ca-...
  • Page 26 GX-201KEF2/LEF2/REF2/SEF2 PC BOARD (FOIL SIDE VIEW) 3 7 63 1515 0 SWITCH UNIT (GX-201LEF2/SEF2) X25-9292-72 (J74-1348-12) R142 L 13942296513 R107 R143 R133 HTR RX R116 R148 HTR TX ACC DET R170 R171 R112 R134 R109 R135 R124 R163 R164 R110...
  • Page 27 GX-201KEF2/LEF2/REF2/SEF2 3 7 63 1515 0 R111 C34 C35 R172 R125 L 13942296513 X25-9292-72 Ref No. Address R140 R139 R138 R129 FL(A)+B FL(A)GND R103 R144 R118 R145 R183 R184 R185 R134 R135 R175 u163 Refer to the schematic diagram for the values of resistors and ca-...
  • Page 28 GX-201KEF2/LEF2/REF2/SEF2 3 7 63 1515 0 (X89-254x-xx) (X14-694x-xx) ∗ ∗ Q201 D202 11.1V 5.0V ∗ ∗ ∗ Q203 IC21 Q202 ∗ R201 CAS SERVO 3.7V C402 C403 1000P 1000P ∗ C401 D-8V 2200P P-GND TP22 TP21 D STM TP20 C115...
  • Page 29 GX-201KEF2/LEF2/REF2/SEF2 3 7 63 1515 0 CAR HARNESS (EXTERNAL INPUT) 94x-xx) Q816-818 ∗ C501 C504 R926 C852 2200P 2200P P-ANT D806 1/2W C503 C502 2200P 2200P Q816 R923 C506 F701 D501 1.2K 2200P D702 1/2W C505 R924 1.2K 2200P Q817...
  • Page 30 GX-201KEF2/LEF2/REF2/SEF2 3 7 63 1515 0 R846 IC82 R832 RESET 4.7K Q821 IC87 C834 5.0V Q809 R956 12.582MHz 5.0V C836 5.0V IC86 Q822 R861 100K IC2 SC 5.0V 5.0V IC2 SDA 5.0V Q812 5.0V BUS DO ANT CON BUS D...
  • Page 31 GX-201KEF2/LEF2/REF2/SEF2 3 7 63 1515 0 CAR HARNESS (POWER SUPPLY,SPEAKER) R407 F401 10A R834 3.9K C902 Q820 2200P R412 R938 3.9K D812 4.7K R929 IC82 4.7K ESET 5.0V R934 5.0V 3.9K D810 R827 R824 C226 C320 R224 AUDIO/NAVI SW MUTE...
  • Page 32 GX-201KEF2/LEF2/REF2/SEF2 3 7 63 1515 0 R407 ∗ ∗ Q102 D101 C101 DIVER-SITY 0.01 C405 100u10 D102 C103 C104 R102 10u10 3900P 2.2K IC41 ∗ ∗ L101 0.5V C106 L102 C110 C111 220P 220P Q403 0.01 6.6V ∗ IC11 Q101...
  • Page 33 GX-201KEF2/LEF2/REF2/SEF2 3 7 63 1515 0 DTA114TK DTA114EUA DA227 DTA144EUA DTA124EUA DTC114YUA DTA143EUA DTC124EK DTC114EUA ∗ DTC343TK DTC123JUA MAIN UN5111 DTC124EUA ∗ ANT. C111 UN5114 DTC144EUA 220P ∗ UN5211 D103 BR24C01AF-W UN5213 UN5214 : BA6209 IC11 TA2083FN 2SA1576A IC12 HA12181FP...
  • Page 34 GX-201KEF2/LEF2/REF2/SEF2 3 7 63 1515 0 (X25-929x-xx) R103 R103 4.3K 4.3K BGND BGND ∗ ∗ FL(H)DC- FL(H)DC+ 11 47u6.3 FL(H)GND X14- 5.0V CN11 R188 FL(H)+B LAMP+B LAMP+B 5.0V LAMP GND 5.0V LAMP GND FL(A)DC- EEP-ROM FL(A)DC+ 3.0V FL(A)GND ∗ R113 5.6K 5.0V...
  • Page 35 GX-201KEF2/LEF2/REF2/SEF2 3 7 63 1515 0 (6G-1G) R125 ∗ (2G) Q1,2 VFD5V 0.01 R70 2.2K CGND R69 2.2K (0-00) (2-71) (2-72) (0-00) (0-00) (2-71) (2-72) (2-71) (2-72) TAPE TAPE BAND BAND 0.01 0.01 (0-00) (2-71) (2-72) LOAD MDEJ NEWS CDEJ...
  • Page 36 GX-201KEF2/LEF2/REF2/SEF2 EXPLODED VIEW (CASSETTE MECHANISM) 3 7 63 1515 0 L 13942296513 u163 Refer to the service manual D40-1122-05 (B51-7452-00) for cassette mechanism operation.
  • Page 37 GX-201KEF2/LEF2/REF2/SEF2 EXPLODED VIEW (GX-201KEF2/REF2 UNIT) 3 7 63 1515 0 φ2x6 φ2x6(BLK) N09-6126-05 N82-2006-48 φ3x6 M3x12(BLK) N09-6137-05 N83-3006-48 φ3x8 M3x4(BLK) N30-3004-45 N89-3008-48 φ3x8 M3x12(BLK) N35-3012-45 N09-4116-05 φ2x6(BLK) φ3x6 N80-2006-45 N09-4461-05 φ3x8(BLK) N80-3008-45 DME1 (X25) (X25) (X25) (X25) (X25) (X25-929) CME1...
  • Page 38 GX-201KEF2/LEF2/REF2/SEF2 EXPLODED VIEW (GX-201LEF2/SEF2 UNIT) 3 7 63 1515 0 φ2x6 φ2x6(BLK) N09-6126-05 N82-2006-48 φ3x6 M3x12(BLK) N09-6137-05 N83-3006-48 φ3x8 M3x4(BLK) N30-3004-45 N89-3008-48 φ3x8 M3x12(BLK) N35-3012-45 N09-4116-05 φ2x6(BLK) φ3x6 N80-2006-45 N09-4461-05 φ3x8(BLK) N80-3008-45 DME1 (X25) (X25) (X25) (X25-9292-72) (X25) (X25) (X25)
  • Page 39 PAN HEAD TAPTITE SCREW C141 CK73GB1A224K CHIP C 0.22UF N80-3008-45 PAN HEAD TAPTITE SCREW N82-2006-48 BINDING HEAD TAPTITE SCREW C142 CK73GB1H103K CHIP C 0.010UF K E1 : GX-201LEF2 E2 : GX-201REF2 Indicates safety critical components. M1 : GX-201KEF2 M4 : GX-201SEF2...
  • Page 40 CK73GB1H104K CHIP C 0.10UF C264,265 CC73GCH1H101J CHIP C 100PF C612 C90-2980-05 ELECTRO 220UF 16WV C266,267 CK73GB1H472K CHIP C 4700PF C613 C90-5244-05 ELECTRO 56UF 25WV E1 : GX-201LEF2 E2 : GX-201REF2 Indicates safety critical components. M1 : GX-201KEF2 M4 : GX-201SEF2...
  • Page 41 F53-0198-05 FUSE R125 RK73GB2A104J CHIP R 100K J 1/10W M1 F401 F53-0167-05 FUSE R151 RK73GB2A222J CHIP R 2.2K J 1/10W E1E2 F501 F53-0166-05 FUSE E1 : GX-201LEF2 E2 : GX-201REF2 Indicates safety critical components. M1 : GX-201KEF2 M4 : GX-201SEF2...
  • Page 42 CHIP R J 1/10W R847 RK73GB2A224J CHIP R 220K J 1/10W R354 RK73GB2A512J CHIP R 5.1K J 1/10W R848 RK73GB2A682J CHIP R 6.8K J 1/10W E1 : GX-201LEF2 E2 : GX-201REF2 Indicates safety critical components. M1 : GX-201KEF2 M4 : GX-201SEF2...
  • Page 43 0 OHM J 1/16W R918 RK73GB2A223J CHIP R J 1/10W W916 R92-1252-05 CHIP R 0 OHM J 1/16W R919 RK73GB2A133J CHIP R J 1/10W E1 : GX-201LEF2 E2 : GX-201REF2 Indicates safety critical components. M1 : GX-201KEF2 M4 : GX-201SEF2...
  • Page 44 DIGITAL TRANSISTOR Q101 DTC114EUA DIGITAL TRANSISTOR Q822 DTA124EUA DIGITAL TRANSISTOR Q101 UN5211 DIGITAL TRANSISTOR Q822 UN5112 DIGITAL TRANSISTOR Q102 2SB1188(Q,R) TRANSISTOR Q850 DTA114EUA DIGITAL TRANSISTOR E1 : GX-201LEF2 E2 : GX-201REF2 Indicates safety critical components. M1 : GX-201KEF2 M4 : GX-201SEF2...
  • Page 45 CHIP R 2.2K J 1/8W RK73GB2A103J CHIP R J 1/10W R133 RK73FB2B392J CHIP R 3.9K J 1/8W R134 RK73FB2B222J CHIP R 2.2K J 1/8W E1 : GX-201LEF2 E2 : GX-201REF2 Indicates safety critical components. M1 : GX-201KEF2 M4 : GX-201SEF2...
  • Page 46 UMC2N TRANSISTOR C106 CK73FB1C224K CHIP C 0.22UF 2SC2873 TRANSISTOR C107 CD04AY1E331M ELECTRO 330UF 25WV Q29,30 2SC4081 TRANSISTOR C108 CK73GB1H103K CHIP C 0.010UF K E1 : GX-201LEF2 E2 : GX-201REF2 Indicates safety critical components. M1 : GX-201KEF2 M4 : GX-201SEF2...
  • Page 47 CHIP R J 1/10W G01-2963-08 COMPRESSION COIL SPRING R301 RK73GB2A331J CHIP R J 1/10W D03-0314-08 REEL DISK ASSY R302 RK73GB2A103J CHIP R J 1/10W E1 : GX-201LEF2 E2 : GX-201REF2 Indicates safety critical components. M1 : GX-201KEF2 M4 : GX-201SEF2...
  • Page 48 FLAT WASHER N09-4327-08 SCREW N19-2139-08 FLAT WASHER S68-0881-08 PUSH SWITCH T42-1002-08 MOTOR ASSY (MAIN) T42-1001-08 MOTOR ASSY (SUB) T31-0225-08 PLAYBACK HEAD L 13942296513 u163 E1 : GX-201LEF2 E2 : GX-201REF2 Indicates safety critical components. M1 : GX-201KEF2 M4 : GX-201SEF2...
  • Page 49 GX-201KEF2/LEF2/REF2/SEF2 PARTS LIST 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 50 KENWOOD ELECTRONICS UK LIMITED P.O. Box 61318, Jebel Ali, Dubai, U.A.E. Kenwood House, Dwight Road, Watford, Herts, WD18 9EB, United Kingdom KENWOOD ELECTRONICS (THAILAND) CO., LTD. KENWOOD ELECTRONICS DEUTSCHLAND GMBH 2019 New Pechburi Road, Bangkapi, Huaykwang, Bangkok, 10320 Thailand Rembrücker-Str.

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