CASSETTE RECEIVER
KRC-21SA/SG/SYA/SYG
QQ
3 7 63 1515 0
KRC-266/S
SERVICE MANUAL
KRC-21SA/SG/SYA/SYG (E type)
KRC-266/S (M type)
TE
L 13942296513
DC cord
(E30-4790-05)or
(E30-6134-05)
Screw set
(N99-1610-15)
www
.
Depends on model. Refer to the parts list
40W x 4
AUTO
AME
Panel assy (A64-2926-02)
45W x 4
AUTO
AME
Panel assy (A64-2915-02):KRC-266, (A64-2918-02):KRC-266S
DC cord
(E30-4784-05)or
(E30-6131-05)
Screw set
Antenna adaptor
(N99-1719-05)
(T90-0523-05)or
(T90-0534-05)
x
ao
y
i
8
T.CALL
KRC-21S
Q Q
3
6 7
1 3
KRC-266
Plastic cabinet assy
(A02-1486-13)
Escutcheon
(B07-2188-02):KRC-21SA/SG/SYA/SYG, KRC-266
(B07-3021-02):KRC-266S
u163
.
2 9
9 4
2 8
© 2002-10 PRINTED IN JAPAN
B51-7982-00 ( N ) 2139
1 5
0 5
8
2 9
9 4
Mounting hardware assy
Lever
(J21-9701-03)
(D10-3031-04)
m
co
9 9
2 8
9 9
x2
Table of Contents
Related Manuals for Kenwood KRC-21SA
Summary of Contents for Kenwood KRC-21SA
- Page 1 CASSETTE RECEIVER KRC-21SA/SG/SYA/SYG 3 7 63 1515 0 KRC-266/S SERVICE MANUAL © 2002-10 PRINTED IN JAPAN B51-7982-00 ( N ) 2139 KRC-21SA/SG/SYA/SYG (E type) 40W x 4 AUTO T.CALL KRC-21S Panel assy (A64-2926-02) KRC-266/S (M type) 45W x 4 AUTO...
- Page 2 3 7 6 3 1 5 1 5 0 CD/MD CHANGER C153,R207 POWER IC AM BPF B.U. C154,R206 ANT. 1200mV SP OUT FM BPF OUT LF FRONT Lch LEVEL MP IN RF GND E-VOL. FM ANT AM ANT OUT RF FRONT Rch RF GND FM+B...
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Page 3: Components Description
KRC-21SA/SG/SYA/SYG KRC-266/S COMPONENTS DESCRIPTION 3 7 63 1515 0 SYNTHESIZER UNIT (X16-149x-xx) Ref.No. Application/Functions Operation/Condition/Compatibility LCD driver with key-matrix Key-matrix permission SW Ready on key-matrix SYNTHESIZER UNIT (X14-685x-xx) Ref.No. Application/Functions Operation/Condition/Compatibility System MI-COM. System control E-VOL. & N.C. MPX Controls sound volume. Selects each source. -
Page 4: Microcomputer's Terminal Description
KRC-21SA/SG/SYA/SYG KRC-266/S MICROCOMPUTER'S TERMINAL DESCRIPTION 3 7 63 1515 0 SYSTEM MICROCOMPUTER LC72366-9592 (IC1 : X14-685x-xx) Pin No. Pin name Description Processing Operation Main clock resonator connection terminal TEST terminal 2 Connected to GND lines. L DATA L Data input from the LCD driver IC... - Page 5 KRC-21SA/SG/SYA/SYG KRC-266/S MICROCOMPUTER'S TERMINAL DESCRIPTION 3 7 63 1515 0 SYSTEM MICROCOMPUTER LC72366-9592 (IC1 : X14-685x-xx) Pin No. Pin name Description Processing Operation SEL1 Destination input 1 Hi : KRC-21S SEL2 Destination input 2 Hi : KRC-21S SEL3 Destination input 3 N.C.
- Page 6 KRC-21SA/SG/SYA/SYG KRC-266/S ADJUSTMENT 3 7 63 1515 0 RECEIVER ALIGNMENT ITEM INPUT SETTINGS ALIGN FOR SETTINGS POINTS FM SECTION While holding preset "1" key, press and hold preset "6" key 98.1MHz TEST MODE: ON Preset "1" key, for a few seconds.
- Page 7 PC BOARD 3 7 63 1515 0 (COMPONENT SIDE VIEW) (FOIL SIDE VIEW) X16-149x-xx (J74-1298-02) X16-149x-xx (J74-1298-02) L 13942296513 X16-149x-xx Ref. No. address u163 Refer to the schematic diagram for the values of resistors and capacitors.
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Page 8: Pc Board (Foil Side View)
PC BOARD (FOIL SIDE VIEW) 3 7 63 1515 0 X14-685x-xx (J74-1317-12) W101 C600 W113 R154 R351 D370 Q370 D371 D350 Q350 C350 R372 R352 W122 L 13942296513 R353 W118 W102 D352 C352 R156 W103 R158 W127 R251 C251 X14-685x-xx R137 Ref. - Page 9 3 7 63 1515 0 C600 10 9 W113 W112 R404 C400 R453 R452 D403 D409 R154 D411 D402 Q370 W200 D401 W119 D404 D400 D405 R372 R405 C451 R451 R450 W115 L 13942296513 C450 C163 R200 W118 W116 W117 R157 W123 W124...
- Page 10 R409 4.7K ISO CONNECTOR R402 10 C402 0.47u50 R408 1K R400 4.7 C400 22u6.3 R407 4.7K R406 4.7K DC CORD R405 100K (E30-4790-05) 2SB1548 KRC-21SA/SG/21SYA/SYG R404 100K 14.4V R403 100 D408 D409 D405 D404 Q58,59 L 13942296513 ILLUMINATION Q60,61 +B SW...
- Page 11 3 7 63 1515 0 F1 (10A) SYNTHESIZER UNIT (X14-685X-XX) ∗ POWER IC 3.3K 1/2W 3300u16 14.4V R370 BACK-UP DETECTION Q370,371 4.7K (MOMENTARY POWER ANT-CON. DOWN DETECTION) D370 Q371 R371 0.01 R156 Q370 1/2W 180K R373 R372 1/2W Q51,52 BACK-UP R350 5V AVR C159...
- Page 12 HEAD R +B SW MOT GND HEAD COM MOT+B 47u6.3 HEAD L PACK IN 100P EQUALIZER AMPLIFIER KRC-266/266S (1/2) X16- KRC-21SYA/21SYG (1/2) KRC-21SA/21SG (1/2) (X14-685X-XX) R121, MODEL NAME UNIT NO. C163 R120 Q153 W104 u163 KRC-266 0-21 TDA7386 KRC-266S KRC-21SA...
- Page 13 3 7 63 1515 0 SWITCH UNIT (X16-149x-xx) AUTO VOL- VOL+ T.UP AUDIO T.DOWN KEY-MATRIX PERMISSION PANEL SW R11 100 L DATA S R12 100 L CLK X14- R13 100 L CE R14 100 L DATA L N.C. L 13942296513 u-GND TEST R8 4.7...
- Page 14 ED1 (SEGMENT) ED1 (COMMON) L 13942296513 LCD DRIVER WITH KEY-MATRIX 3.3V 1.7V COM1 COM1 COM2 COM2 COM3 COM3 KRC-266/266S (2/2) KRC-21SA/21SG (2/2) (X16-149x-xx) KRC-21SYA/21SYG (2/2) MODEL NAME UNIT NO. D1-13,15 PL1,2 KRC-266 0-10 B38-1068-05 B30-1565-05 B30-2025-05 B30-1485-05 B38-1094-05 B30-1566-05 B30-1511-05...
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Page 15: Exploded View (Mechanism)
KRC-21SA/SG/SYA/SYG KRC-266/S EXPLODED VIEW (MECHANISM) 3 7 63 1515 0 L 13942296513 u163 Parts with the exploded numbers larger than 700 are not supplied. -
Page 16: Exploded View (Unit)
KRC-21SA/SG/SYA/SYG KRC-266/S EXPLODED VIEW (UNIT) 3 7 63 1515 0 (X14-) (X14-) (X14-) (X14-) CME1 L 13942296513 (X14-) (X14-) M3x4 : N30-3004-46 φ 3x5 : N83-3005-46 (X14-) (X14-) φ 3x10 : N35-3010-46 (X14-) φ 3x8 : N80-3008-46 φ 3x20 : N83-3020-46 φ... - Page 17 KRC-21SA/SG/SYA/SYG KRC-266/S EXPLODED VIEW (UNIT) 3 7 63 1515 0 φ 2x6 : N80-2006-46 φ 1.5 : N29-0205-04 φ 2x8 (BLK) : N80-2008-45 (X16-) (X16-) L 13942296513 (X16-) (X16-) (X16-) (X16-) (X16-) u163 Parts with the exploded numbers larger than 700 are not supplied.
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Page 18: Parts List
C155 CK73GB1C104K CHIP C 0.10UF H54-2680-03 ITEM CARTON CASE C156 CK73GB1E333K CHIP C 0.033UF H54-2691-03 ITEM CARTON CASE C156 CK73GB1H333K CHIP C 0.033UF E5: KRC-21SA E8: KRC-21SYA M : KRC-26 indicates safety critical components. E6: KRC-21SG E9: KRC-21SYG M4: KRC-266S... - Page 19 J 1/4W RK73GB2A433J CHIP R J 1/10W R324 RK73EB2E100J CHIP R J 1/4W RK73FB2B223J CHIP R J 1/8W R350 RD14BB2C472J 4.7K J 1/6W E5: KRC-21SA E8: KRC-21SYA M : KRC-26 indicates safety critical components. E6: KRC-21SG E9: KRC-21SYG M4: KRC-266S...
- Page 20 ZENER DIODE D260,261 AM01Z DIODE 2SB1548(P) TRANSISTOR 2SB1565(E,F) TRANSISTOR D260,261 DSM1SD2 DIODE 2SB1655(E,F) TRANSISTOR D260,261 ERA15-01 DIODE 2SC2412K TRANSISTOR D351 AM01Z DIODE 2SD601A TRANSISTOR E5: KRC-21SA E8: KRC-21SYA M : KRC-26 indicates safety critical components. E6: KRC-21SG E9: KRC-21SYG M4: KRC-266S...
- Page 21 D10-4100-08 B38-1022-05 LIQUID CRYSTAL D14-0682-08 ROLLER D10-4101-08 LEVER B38-1022-05 LIQUID CRYSTAL E8E9E5 B38-1068-05 LIQUID CRYSTAL G01-2830-08 COMPRESSION COIL SPRING B38-1094-05 LIQUID CRYSTAL D10-4102-08 E5: KRC-21SA E8: KRC-21SYA M : KRC-26 indicates safety critical components. E6: KRC-21SG E9: KRC-21SYG M4: KRC-266S...
- Page 22 FLAT WASHER N19-2083-08 FLAT WASHER N19-2084-08 FLAT WASHER N19-2043-08 FLAT WASHER N19-2038-08 FLAT WASHER T31-0229-08 PLAYBACK HEAD L 13942296513 T42-1025-08 MOTOR ASSY u163 E5: KRC-21SA E8: KRC-21SYA M : KRC-26 indicates safety critical components. E6: KRC-21SG E9: KRC-21SYG M4: KRC-266S...
- Page 23 KRC-21SA/SG/SYA/SYG KRC-266/S 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.
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Page 24: Specifications
158 (mm) Weight 1300g 1300g KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. Manufactured under license from Dolby Laboratories. "Dolby" and the double-D symbol are trademarks of Dolby Laboratories. KENWOOD CORPORATION 2967-3, Ishikawa-machi, Hachioji-shi, Tokyo 192-8525, Japan KENWOOD ELECTRONICS ITALIA S.p.A.