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CASSETTE RECEIVER
KRC-15RG
QQ
3 7 63 1515 0
KRC-179RA/RG/RYA/RYG
KRC-25RA/RG
KRC-279RA/RG/RYA/RYG
KRC-281RG
SERVICE MANUAL
KRC-15RG (E)
PWR
SRC
OFF
CLK
4 0 W x
4 0 W x 4
HIGH POWER
T I
VOL ADJ
LOUD
1
2
ATT
TE
L 13942296513
KRC-25RA/RG (E)
PWR
SRC
OFF
CLK
4 0 W x 4
4 0 W x
HIGH POWER
T I
VOL ADJ
NAME SET
LOUD
SCAN
RDM
1
2
ATT
KRC-281RG (M)
PWR
SRC
OFF
CLK
4 0 W x
4 0 W x 4
HIGH POWER
T I
VOL ADJ
NAME SET
LOUD
SCAN
RDM
1
2
ATT
www
DC CORD
(E30-xxxx-xx)
(Refer to the parts list.)
.
T.CALL
3
4
5
6
AUD
MENU
CD/MD-CHANGER CONTROL
REP
T.C/D.SCN
M.RDM
3
4
5
6
AUD
MENU
CD/MD-CHANGER CONTROL
REP
T.C/D.SCN
M.RDM
3
4
5
6
AUD
x
ao
PLASTIC CABINET ASSY
y
(A02-1486-13)
i
8
KRC-179RA/RG/RYA/RYG (E)
PWR
SRC
OFF
REW
FF
PR
OG
4 0 W x
4 0 W x 4
HIGH POWER
KRC-15R
PTY
T I
VOL ADJ
FM
LOUD
AM
1
ATT
Q Q
3
6 7
1 3
KRC-279RA/RG/RYA/RYG (E)
PWR
SRC
OFF
REW
FF
PR
OG
4 0 W x 4
4 0 W x
HIGH POWER
KRC-25R
PTY
T I
VOL ADJ
DISC
FM
LOUD
AM
1
ATT
REW
FF
PR
OG
KRC-281R
PTY
DISC
FM
ANTENNA ADAPTOR
(T90-0523-05)
AM
(Except KRC-281RG)
MENU
LEVER
(D10-3031-04) x2
u163
STAY
(J54-0606-04)
(KRC-281RG only)
.
2 9
9 4
2 8
© 2000-10 PRINTED IN KOREA
B51-7684-00 (K) 2161
CLK
T.C/ALL
2
3
4
5
6
1 5
0 5
8
2 9
9 4
CLK
CD/MD-CHANGER CONTROL
NAME SET
SCAN
RDM
REP
T.C/D.SCN
M.RDM
2
3
4
5
6
SCREW SET
(N99-1610-15)
(KRC-281RG only)
m
co
MOUNTING HARDWARE ASSY
(J21-9491-13)
9 9
REW
FF
PR
OG
KRC-179R
PTY
FM
AUD
AM
MENU
2 8
9 9
REW
FF
PR
OG
KRC-279R
PTY
DISC
FM
AM
AUD
MENU
SCREW SET
(N99-1632-05)
(KRC-281RG only)
40%
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Table of Contents
Related Manuals for Kenwood KRC-15RG
Summary of Contents for Kenwood KRC-15RG
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Page 1: Service Manual
KRC-25RA/RG KRC-279RA/RG/RYA/RYG KRC-281RG SERVICE MANUAL © 2000-10 PRINTED IN KOREA B51-7684-00 (K) 2161 KRC-179RA/RG/RYA/RYG (E) KRC-15RG (E) 4 0 W x 4 0 W x 4 4 0 W x 4 0 W x 4 HIGH POWER HIGH POWER KRC-179R... -
Page 2: Table Of Contents
KRC-15R,179R,25R,279R,281R CONTENTS / BLOCK DIAGRAM 3 7 63 1515 0 CONTENTS CONTENTS / BLOCK DIAGRAM .......2 PC BOARD ..............9 COMPONENT DESCRIPTION........3 SCHEMATIC DIAGRAM...........13 MICROCOMPUTER'S TERMINAL DESCRIPTION ...4 EXPLODED VIEW ............18 TEST MODE...............6 PARTS LIST .............21 ADJUSTMENT............7 SPECIFICATIONS ........Back cover PARTS DESCRIPTIONS..........8 BLOCK DIAGRAM L 13942296513 u163... -
Page 3: Component Description
KRC-15R,179R,25R,279R,281R COMPONENT DESCRIPTION 3 7 63 1515 0 SYNTHESIZER UNIT (X14-656x-xx) REF No. FUNCTION OPERATION SYSTEM µ-COM Controls the unit. E-VOLUME Controls the volume and selects source. MUTE LOGIC Controls the mute output. POWER AMPLIFIER For the speaker output. EQUALIZER AMPLIFIER For the cassette tape's signal. -
Page 4: Microcomputer's Terminal Description
KRC-15R,179R,25R,279R,281R MICROCOMPUTER'S TERMINAL DESCRIPTION 3 7 63 1515 0 (X14-) IC1 : µ-COM PORT No. PORT NAME FUNCTION OPERATING CONDITION PANEL Panel detection. "L" : Panel exists. L CE LCD driver chip enable. L RES LCD driver reset. AVSS GND. R DATA RDS data. - Page 5 KRC-15R,179R,25R,279R,281R 3 7 63 1515 0 MICROCOMPUTER'S TERMINAL DESCRIPTION (X14-) IC1 : µ-COM PORT No. PORT NAME FUNCTION OPERATING CONDITION FM noise detection / Time constant SW. MUTE Mute control. AMP MUTE Power amplifier mute. CH CNT Changer control. REQ H Changer request.
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Page 6: Test Mode
KRC-15R,179R,25R,279R,281R 3 7 63 1515 0 TEST MODE 1. How to enter the test mode • Reset the unit while holding the "FM" key and preset "6" key. • All indication segments go ON at the beginning of the test mode. 2. -
Page 7: Adjustment
KRC-15R,179R,25R,279R,281R ADJUSTMENT 3 7 63 1515 0 Head Angle Adjustment Head height alignment procedure • During FWD transport adjust screws F and F ' so that line A of 2-LINE TAPE passes trough the center of the head shield plate (core center area) •... -
Page 8: Parts Descriptions
KRC-15R,179R,25R,279R,281R 3 7 63 1515 0 PARTS DESCRIPTIONS L 13942296513 u163... -
Page 9: Pc Board
PC BOARD (Component side view) 3 7 6 3 1 5 1 5 0 SWITCH UNIT X13-964x-xx (J74-0962-32) SYNTHESIZER UNIT X14-656x-xx (J74-1189-12) W103 W158 W159 C400 R452 R453 C401 D409 D403 W101 R351 R154 D370 W102 D402 D410 W200 D371 D401 D350 D404... - Page 10 PC BOARD (Foil side view) 3 7 6 3 1 5 1 5 0 SYNTHESIZER UNIT X14-656x-xx (J74-1189-12) SWITCH UNIT X13-964x-xx (J74-0962-32) W103 W158 W159 C400 R453 R452 C401 D409 W101 D403 R351 D370 R154 W102 D402 D410 D371 W200 D401 D350 D404...
- Page 11 Q301 : DTA144EK or KRC-179RA/G (E) 2-71 UPD780058GC211 D100,150-152,352 UN2113 KRC-179RYA/YG (E) 2-71 UPD780058GC211 P-CON : 1SS133 Q320,351 : 2SA1037K KRC-15RG (E) 2-71 UPD780058GC211 D380 MA4047-M Q450,451 : DTC143TK or KRC-279RA/G (E) 2-72 UPD780058GC211 D400,401,404,408,409 UN2216 X13- KRC-279RYA/YG (E) 2-72...
- Page 12 KRC-179RYG (E) measurements shall be carried out (exposed parts are acceptably KRC-25RG (E) w w w insulated from the supply circuit) before the appliance is returned to KRC-15RG (E) : B30-1564-05 the customer. : MA3062-M KRC-279RA (E) u 1 6 3...
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Page 13: Exploded View
KRC-15R,179R,25R,279R,281R 3 7 63 1515 0 EXPLODED VIEW(MECHANISM) L 13942296513 u163 D40-1136-05 (MECHA.) KRC-15R,179R,25R,279R,281R (E,M) Parts with exploded numbers larger than 700 are not supplied. - Page 14 KRC-15R,179R,25R,279R,281R 3 7 63 1515 0 EXPLODED VIEW(UNIT) (X14-) (Except KRC-281R) (X14-) (X14-) (KRC-281R only) (KRC-281R only) (KRC-281R only) (X14-) KRC-25R L 13942296513 KRC-279R (X14-) KRC-281R (X14-) only M3x4 : N30-3004-46 f3x5 : N83-3005-46 (X14-) (X14-) f3x10 : N35-3010-46 (X14-) f3x8 : N80-3008-46 f3x20...
- Page 15 KRC-15R,179R,25R,279R,281R 3 7 63 1515 0 EXPLODED VIEW(UNIT) f2x6 : N80-2006-46 f1.5 : N29-0205-04 f2x8 : N80-2008-45 (X13-) (X13-) L 13942296513 (X13-) (X13-) (X13-) (X13-) (X13-) u163 UNIT (2/2) KRC-15R,179R,25R,279R,281R(E,M) Parts with exploded numbers larger than 700 are not supplied.
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Page 16: Parts List
ITEM CARTON CASE (KRC-25RG) ✽ H54-1883-03 B46-0606-04 ID CARD E4E6E7 ITEM CARTON CASE (KRC-25RA) ✽ H54-1884-03 B46-0606-04 ID CARD E8Z1M1 ITEM CARTON CASE (KRC-15RG) ✽ B64-1852-00 INST. MANUAL (ENG,CHI) L 13942296513 ✽ B64-1853-00 INST. MANUAL (ARABIC) J19-4980-02 HOLDER J21-9491-13 MOUNTING HARDWARE ASSY ✽... - Page 17 E3 : KRC-279RYA E6 : KRC-179RYG E9 : KRC-25RA K : North America E1 : KRC-279RA E4 : KRC-179RG E7 : KRC-179RYA M1 : KRC-281RG M : Other Areas E2 : KRC-279RYG E5 : KRC-179RA E8 : KRC-25RG Z1 : KRC-15RG...
- Page 18 E3 : KRC-279RYA E6 : KRC-179RYG E9 : KRC-25RA K : North America E1 : KRC-279RA E4 : KRC-179RG E7 : KRC-179RYA M1 : KRC-281RG M : Other Areas E2 : KRC-279RYG E5 : KRC-179RA E8 : KRC-25RG Z1 : KRC-15RG...
- Page 19 E3 : KRC-279RYA E6 : KRC-179RYG E9 : KRC-25RA K : North America E1 : KRC-279RA E4 : KRC-179RG E7 : KRC-179RYA M1 : KRC-281RG M : Other Areas E2 : KRC-279RYG E5 : KRC-179RA E8 : KRC-25RG Z1 : KRC-15RG...
- Page 20 E3 : KRC-279RYA E6 : KRC-179RYG E9 : KRC-25RA K : North America E1 : KRC-279RA E4 : KRC-179RG E7 : KRC-179RYA M1 : KRC-281RG M : Other Areas E2 : KRC-279RYG E5 : KRC-179RA E8 : KRC-25RG Z1 : KRC-15RG...
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Page 21: Specifications
155mm Weight 1400g 1400g KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. Manufactured under license from Dolby Laboratories. KENWOOD CORPORATION "Dolby" and the double-D symbol are trademarks of Dolby 14-6, Dogenzaka 1-chome, Shibuya-ku, Tokyo, 150-8501 Japan Laboratories.