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CASSETTE RECEIVER
KRC-28YG/YA
SERVICE MANUAL
PANEL ASSY
(A64-1909-02)
KRC-28
LOUD
FRONT GLASS
(B10-3140-01)
DC CORD
(E30-4790-05)
ANTENNA ADAPTOR
(T90-0523-05)
CASSETTE LID
(A53-1638-13)
B.S
REP
ESCUTCHEON
(B07-2181-02)
LEVER
(D10-3031-04)x2
© 1999-11 PRINTED IN JAPAN
B51-7546-00 ( N ) 1580
MECHANISM EXTENSION CORD
W05-0477-00 (7P)
W05-0609-00 (10P)
EJECT
A.ADJ
40W 4
X
T.CALL
AUTO
CLK
AME
ADJ
MOUNTING HARDWARE ASSY
(J21-9491-03)
SRC
PWR
OFF
MONO
PLASTIC CABINET ASSY
(A02-1486-13)
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Related Manuals for Kenwood KRC-28YG
Summary of Contents for Kenwood KRC-28YG
- Page 1 CASSETTE RECEIVER KRC-28YG/YA SERVICE MANUAL © 1999-11 PRINTED IN JAPAN B51-7546-00 ( N ) 1580 MECHANISM EXTENSION CORD W05-0477-00 (7P) W05-0609-00 (10P) PANEL ASSY (A64-1909-02) CASSETTE LID (A53-1638-13) EJECT A.ADJ MONO KRC-28 40W 4 LOUD T.CALL AUTO FRONT GLASS ESCUTCHEON...
- Page 2 KRC-28YG/YA BLOCK DIAGRAM...
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Page 3: Circuit Description
KRC-28YG/YA CIRCUIT DESCRIPTION (X14-) IC1 : SYSTEM u-COM (X14-) IC1 : SYSTEM u-COM PORT PORT PORT NAME FUNCTION PORT NAME FUNCTION 1 XIN Clock input 41 - 2 TEST 2 42 MS CONT 3 LCD DATA IN LCD driver data input... - Page 4 KRC-28YG/YA ADJUSTMENT BALANCE/FADER/BASS/TREBLE:CENTER T.ADV/METAL/DOLBY NR/AUTO:OFF INPUT OUTPUT RECEIVER ALIGNMENT ITEM ALIGN FOR FIG. SETTINGS SETTINGS SETTINGS POINTS CASSETTE DECK SECTION Head azimuth Adjust so that output TCC-153 screw level in playing “FWD” SP OUT TAPE PLAY AZIMUTH 10KHz (FWD/REV) and “REV” becomes (ME1) maximum each.
- Page 5 PC BOARD (COMPONENT SIDE VIEW) X14-6162-71 X13-9672-7X PRE OUT VOL. VOL. DOWN 13 11 C170 C205 R256 D408 Q201 C202 E B E C203 D411 C204 R177 R257 C122 D403 R175 R193 R196 R415 Q address Q117 R179 C211 C208 R178 Q121 Q119...
- Page 6 PC BOARD (FOIL SIDE VIEW) X14-6162-71 X13-9672-7X PRE OUT VOL. VOL. DOWN 2 3 4 8 12 C170 C205 R256 D408 Q201 Q41 Q44 C202 C203 D411 C204 R177 R257 C122 R175 D403 R193 R196 R415 Q address Q117 R179 C211 C208 R178...
- Page 7 MUTE SW REAR R FRONT R D411 Q117 Q116 D408 Q119 P. CONT P.CONT DC CORD MUTE 0.068 R175 DRIVE 3.3K 1/2W (E30-4790-05) KRC-28YG/YA(E) R177 P-ANT BU14V P-CON Q121 C122 DC CORD 0.1u50 Q118 (E30-4783-05) KRC-408/308S/38MR(K) MUTE (X14-616X-XX) C133 D11, C57,59, MODEL NAME UNIT No.
- Page 8 : MA3062WA D408,411 MA4062-L KRC-28YG/YA CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list). • DC voltages are as measured with a high impedance voltmeter. Values may Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried vary slightly due to variations between individual instruments or/and units.
- Page 9 B30-1533-05 B30-1533-05 B38-1032-05 KRC-38MR D21,22 : B30-1572-05 2-71 B30-1485-05 B30-1533-05 B30-1564-05 B38-1026-05 KRC-28YG D24,25 : MA3062WA KRC-28YA 2-72 B30-1485-05 B30-1567-05 B30-1564-05 B38-1026-05 : MA3062-M CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to KRC-28YG/YA parts list).
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Page 10: Exploded View (Mechanism)
KRC-28YG/YA EXPLODED VIEW (MECHANISM) : N09-4193-08 M2x2.5 : N09-4194-08 M1.7x7 : N09-4195-08 : N09-4196-08 M2x2.2 : N09-4197-08 : N09-4198-08 M2x3 : N09-4199-08 M2x5 (BLK) : N09-4200-08 M2.6x3(BLK) : N09-4201-08 : N19-2086-08 1.2 x Ø Ø : N19-2087-08 1.6 x Ø... -
Page 11: Exploded View (Unit)
KRC-28YG/YA EXPLODED VIEW (UNIT) M2.6x8 (BLK) N30-2608-45 N80-2006-46 Ø 2x8 (BLK) N80-2008-45 Ø N83-3005-46 Ø M3x12 N30-3012-46 3x10 N80-3010-46 Ø (X14-6160-10) X13-9670-10 (X14-) LCD1 Parts with the exploded numbers larger than 700 are not supplied. -
Page 12: Parts List
REFLECTION SHEET C104 CK73FB1H103K CHIP C 0.010UF K B19-1166-23 LIGHTING BOARD C105 CK73GB1H103K CHIP C 0.010UF K D1 -16 B30-1533-05 LED(1608,PG) C110 CE04CW0J221M ELECTRO 220UF 6.3WV D1 -16 B30-1567-05 LED(1608,RED) E4 : KRC-28YG E5 : KRC-28YA indicates safety critical components. - Page 13 J 1/2W R250 RK73FB2A102J CHIP R 1.0K J 1/10W R33 -36 RK73GB1J472J CHIP R 4.7K J 1/16W R251 RK73GB1J472J CHIP R 4.7K J 1/16W R39 ,40 RK73GB1J223J CHIP R J 1/16W E4 : KRC-28YG E5 : KRC-28YA indicates safety critical components.
- Page 14 ARM ASSY UN5112 DIGITAL TRANSISTOR D10-4112-08 DTC144EUA DIGITAL TRANSISTOR D10-4113-08 UN5213 DIGITAL TRANSISTOR D13-1324-08 GEAR ASSY 2SA1648-Z TRANSISTOR D01-0609-08 FLYWHEEL ASSY 2SC4081 TRANSISTOR D13-1325-08 GEAR ASSY 2SD1819A TRANSISTOR D10-4114-08 ARM ASSY E4 : KRC-28YG E5 : KRC-28YA indicates safety critical components.
- Page 15 TENSION COIL SPRING G01-2841-08 TENSION COIL SPRING D16-0609-08 BELT S64-0804-08 LEVER SWITCH S64-0805-08 LEVER SWITCH E30-4460-08 CONNECTOR ASSY (10P) T95-0213-08 PHOTO COUPLER S62-0858-08 SLIDE SWITCH S74-0813-08 LEAF SWITCH E30-4468-08 CONNECTOR ASSY (7P) E4 : KRC-28YG E5 : KRC-28YA indicates safety critical components.
- Page 16 KRC-28YG/YA...
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Page 17: Specifications
155(mm) 6-1/8(in) Weight 1.4kg 3.1Lbs KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. KENWOOD CORPORATION 14-6, Dogenzaka 1-chome, Shibuya-ku, Tokyo 150-8501 Japan KENWOOD SERVICE CORPORATION KENWOOD ELECTRONICS ITALIA S.p.A. P .O. BOX 22745, 2201 East Dominguez Street, Long Beach, CA90801-5745, U.S.A.