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CASSETTE RECEIVER
KRC-435/665
SERVICE MANUAL
KRC-435
Knob(SRC)
Knob(VOL)
(K25-1414-03)
(K25-1410-03)
OFF
SRC
LOUD
Knob(ATT)
(K25-1411-03)
∗ Refer to the PARTS LIST
DC cord
(E30-4784-05)
Remote controller assy RC-410
(A70-2025-05)
Knob(FM,AM)
(K25-1412-03)
DAB
KRC-435
PROG
MENU
DOLBY B NR
B NR
SCAN
AUD
Knob(1-6)
(K25-1409-03)
Plastic cabinet assy
(A02-1486-13)
Screw set
(N99-1719-05)
©
2001-12 PRINTED IN JAPAN
B51-7877-00 (S) 1757
MECHANISM EXTENSION CORD
∗ Panel assy
(A64-2610-02)
B.S/RDM
REP
MTL/M.RDM
DISP
NAME
∗ Front glass
(B10-4188-01)
Mounting hardware assy
(J21-9716-03)
∗ Escutcheon
Screw set
(N99-1656-05)
(B07-3060-02)
W05-0477-00 (7P)
W05-0609-00 (10P)
47Wx4
AUTO
AME
Lever
(D10-4589-04)
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Related Manuals for Kenwood KRC-435
Summary of Contents for Kenwood KRC-435
- Page 1 CASSETTE RECEIVER KRC-435/665 SERVICE MANUAL © 2001-12 PRINTED IN JAPAN B51-7877-00 (S) 1757 MECHANISM EXTENSION CORD W05-0477-00 (7P) W05-0609-00 (10P) KRC-435 ∗ Panel assy Knob(SRC) Knob(VOL) Knob(FM,AM) (K25-1414-03) (K25-1410-03) (A64-2610-02) (K25-1412-03) KRC-435 PROG MENU 47Wx4 DOLBY B NR B NR SCAN B.S/RDM...
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Page 2: Block Diagram
KRC-435/665 BLOCK DIAGRAM ANT. A 8V SW 5V TUNER E TYPE K TYPE TAPE 1800mV 1800mV FM+B FM : 1372mV 1800mV 460mV (K TYPE) 251mV (E TYPE) 855mV 600mV B.U. 5V 3600mV 3600mV AM+B Q1-4 MUTE 1.8V AUDIO DRIVER AM : 230mV... -
Page 3: Component Description
KRC-435/665 COMPONENT DESCRIPTION SYNTHESIZER UNIT (X14-68XX-XX) Component Purpose • Function Operation • Conditions • Compatibility SYSTEM µ-COM E-VOL, N.C. NPX Mute logic circuit 4 input NOR gate x 4 Power IC RDS Decoder Reset IC "L" detection voltage: 3.0 V or less... -
Page 4: Microcomputer's Terminal Description
KRC-435/665 MICROCOMPUTER'S TERMINAL DESCRIPTION IC1(SYNTHESIZE UNIT : X14-68XX-XX) Pin No. Pin Name Description Processing Operation TYPE 1 Destination type selection port TYPE 2 Destination type selection port F/E IFC OUT input terminal H: Station exists Vth: 2.5V AVSS A/D,D/A converter ground connection terminal Connected to GND lines. - Page 5 KRC-435/665 MICROCOMPUTER'S TERMINAL DESCRIPTION Pin No. Pin Name Description Processing Operation P-CON Power control output H: Power ON L: Power OFF CH-RECH Request output to changers L: Request CH-RST Reset output to changers L: Normally CH-MUTE Mute request from changers...
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Page 6: Test Mode
KRC-435/665 TEST MODE • Track jump takes place to the following track when the 1. How to enter the test mode Track up key is pressed. • Reset the unit while holding preset 1 key and preset 3 No. 9 → No. 15 → No. 10 → No. 11 → No. 12 → No. 13 key. - Page 7 KRC-435/665 TEST MODE 10. Special display when the display is All ON 2. Enter the security registration mode by pressing the CLK key. If the PRESET key is pressed while all displays are turned 3. Enter the CODE by pressing the Track up/down and AM/ on by ALL OFF, the following display appears.
- Page 8 KRC-435/665 ADJUSTMENT BALANCE/FADER/BASS/MID/TREBLE : CENTER T.ADV/METAL/DOLBY NR : OFF INPUT OUTPUT ALIGNMENT ITEM ALIGN FOR FIG. SETTINGS SETTINGS POINTS Adjust so that output Head azimuth TCC-153 level in playing FWD AZIMUTH SP OUT screw 10kHz and REV becomes (FWD/REV) maximum each.
- Page 9 PC BOARD (Foil Side View) PC BOARD (Component Side View) SWITCH UNIT DAUGHTER UNIT DAUGHTER UNIT SWITCH UNIT SWITCH UNIT SWITCH UNIT X16-1630-12 (J74-1316-02) X89-2510-10 (J74-1325-02) X89-2510-10 (J74-1325-02) X16-1630-12 (J74-1316-02) (X16-1630-12) (X16-1630-12) D-GND L-DATAS L-CLK L-CE L-DATAL L-RES REMO FLIPDET PAN5V ILL-GND LED+B...
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Page 10: Pc Board (Component Side View)
PC BOARD (Component Side View) SYNTHESIZER UNIT PRE OUT FRONT REAR SYNTHESIZER UNIT X14-6830-11/6830-21 (J74-1324-02/1386-02) (X14-6830-11/6830-21) L1/J1 R141 R246 R107 R111 DATA IC11 S-MTR C143 R165 C148 C141 R241 R256 R164 C147 R240 C144 C145 R163 R239 TEST 12MHz R237 R236 R235 R228... - Page 11 PC BOARD (Foil Side View) SYNTHESIZER UNIT PRE OUT REAR FRONT X14-6830-11/6830-21 SYNTHESIZER UNIT (J74-1324-02/1386-02) (X14-6830-11/6830-21) L1/J1 R248 C143 R245 R263 R243 R253 R262 R238 R209 R166 R210 R168 R247 R167 R222 R169 R226 C165 C166 R171 C154 4.332MHz C121 R217 C122 R137...
- Page 12 L-CLK 7 D/A DATA/NC +10.5V 0.01 L-DATAS R63 470 L-INH/L-RST D/A CLK/NC 5 REMO FLIP DET 4 EJECT 3 D/A CLK/NC KRC-435/665 (1/2) (X14-6830-XX) EJECT ILL FLIP DET ESD-G 1 UNIT MODEL NAME R201 R202 R203 R204 KRC-435 0-11 KRC-665 0-21 CAUTION:For continued safety, replace safety critical components only with manufacturer’s...
- Page 13 UN5216 L-RES VOL+ REMO 2SA1576A UN5212 RESET S1 S2 VOL- LCD BACKLIGHT FLIP DET 2SD1760 TC74HC02AF D1-13,18,19 PAN 5V KEY ILLUMINATION KRC-435/665 (2/2) LC75883E RS-171 GND2 DISP Q1,2 DTA114EUA 2SB1277 5.0V GND1 D1-13 B30-1533-05 (GREEN) 2SB1443 LB1930M D18,19 B30-1564-05 (BLUE)
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Page 14: Exploded View (Mechanism)
KRC-435/665 KRC-435/665 EXPLODED VIEW (MECHANISM) EXPLODED VIEW (UNIT) (X89-) (X14-) (X16-) : 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 M2.6x3 : N38-2630-46 M2x5 (BLK) : N09-4200-08 : N80-2005-46 1.2x3 : N19-2087-08 1.6x3.2... -
Page 15: Parts List
CHIP C 0.068UF K CK73GB1H683K CHIP C 0.068UF K 3C ∗ J19-5138-02 HOLDER C90-2602-05 ELECTRO 0.10UF 50WV J21-9716-03 MOUNTING HARDWARE ASSY 1C ∗ J21-9809-04 MOUNTING HARDWARE ASSY CK73GB1H102K CHIP C 1000PF K K: KRC-435 indicates safety critical components. M2: KRC-665... - Page 16 1/8W R122 RK73GB2A223J CHIP R 1/10W L40-4795-91 SMALL FIXED INDUCTOR(4.7UH,J) R123 RK73FB2B102J CHIP R 1.0K 1/8W L78-0863-05 RESONATOR (12MHZ) R124 RK73GB2A223J CHIP R 1/10W L77-2738-05 CRYSTAL RESONATOR R141 RK73EB2E101J CHIP R 1/4W K: KRC-435 indicates safety critical components. M2: KRC-665...
- Page 17 CHIP R 2.2K 1/10W DTA124EUA DIGITAL TRANSISTOR R250 RK73GB2A225J CHIP R 2.2M 1/10W UN5112 DIGITAL TRANSISTOR R251,252 RK73GB2A104J CHIP R 100K 1/10W 2SC4081 TRANSISTOR R253 RK73GB2A102J CHIP R 1.0K 1/10W KTA1046 TRANSISTOR K: KRC-435 indicates safety critical components. M2: KRC-665...
- Page 18 CHIP C 1000PF K D12-0622-08 C2,3 CK73GB1E473K CHIP C 0.047UF K D13-1327-08 GEAR CK73GB1H103K CHIP C 0.010UF K D13-1328-08 GEAR CK73FB1A225K CHIP C 2.2UF D13-1329-08 GEAR C11-14 CK73GB1H103K CHIP C 0.010UF K D10-4119-08 K: KRC-435 indicates safety critical components. M2: KRC-665...
- Page 19 N09-4197-08 SCREW N09-4198-08 SCREW N09-4199-08 SCREW N09-4200-08 SCREW N19-2087-08 FLAT WASHER N19-2088-08 FLAT WASHER N19-2135-08 FLAT WASHER N19-2146-08 FLAT WASHER N19-2091-08 FLAT WASHER N19-2092-08 FLAT WASHER N29-0510-08 RETAINING RING T31-0220-08 PLAYBACK HEAD K: KRC-435 indicates safety critical components. M2: KRC-665...
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Page 20: Specifications
Weight ........... 1.20kg (2.64lbs) (H) ....... 53mm (D) ....... 150mm Weight ........... 1.20kg KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. US and foreign patents licensed from Dolby Laboratories Licensing Corporation.
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