Kenwood P-T400 User manual

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STEREO AUTOMATIC TURNTABLE SYSTEM
P-T400
SERVICE MANUAL
© 1997-7/B51-5329-00 (K/K) 3654
CUT 33 45
* Refer to parts list on page 6.
Dust cover
(A53-2026-08)
Hanger
(J50-0140-08)
Sheet mat
(G16-0828-08)
Casting platter
(D02-0122-08)
RCA cord
(E30-2652-08)
AC cord*
(E30-)
Gear ring assy
(D13-1849-08)
Tonearm assy
(J91-0502-08)
EP adapter
(W01-0905-08)
Cartridge
(T21-0158-05)
Dust cover cushion
(G11-2357-08)
Speed-45 knob assy
(K29-6872-08)
Dust cover cushion
(G11-2357-08)
Front panel assy
(A60-1325-08)
Center shaft assy
(D21-1890-08)
Reject knob assy
(K29-6870-08) Speed-33 knob assy
(K29-6871-08)
P-T400(k)COVER( 98.4.2310:29PM y[W 2

P-T400
2
CONTENTS
1. Auto-return position adjustment.
For this, adjust the cam as shown on the right.
2. Speed adjustment
First, adjust the 33 RPM by VR102, then the 45 RPM by VR101.
OUT
IN
FRONT
33 45
SPEED ADJ.
<BOTTOM VIEW>
INSULATOR
AUTO RETURN
CONTENTS / ADJUSTMENT......................................2
PC BOARD ..................................................................3
SCHEMATIC DIAGRAM..............................................4
EXPLODED VIEW .......................................................5
PARTS LIST.................................................................6
PARTS DESCRIPTIONS.............................................7
SPECIFICATIONS ......................................Back cover
Contents
ADJUSTMENT
P-T400(k)COVER( 98.4.2310:29PM y[W 3

3
A C EB D
2
1
3
5
7
4
6
Refer to the schematic diagram for the value of resistors and capacitors.
PC BOARD(Component side view)
P-T400(k)COVER( 98.4.2310:30PM y[W 6

AB DC E
2
1 3 5 7
4
6
Y21-3350-10 P-T400
-
+
4.7K
R320
47u16
C314
+
C315 0.022
1000P
C305
1K
R309
1K
R319
4.7u50
C307
+
120K
R317
470
R311
2200P
C309
C313 3.3u50
+
8200P
C311
33K
R313
390K
R315
1u50
C301
+
470
R301
100K
R305
47u16
C303
+
100K
R303
10K
R307
1000P
C304
+
-
33K
R312 390K R314
2200P
C308 8200P C310
470
R310
+
C306
4.7u50
R306
100K
R302 470
R304 100K
+
C302 1u50
R308
1K
C312 3.3u50
+
120K
R316
1K
R318
LchRch
+
300
VR102 270 R102
VR101
R101
300
300
2
1
1
2
1000u16
C101
+
220u16
C102
+
6
5
4
3
2
1
2
1
FUSE1 S.F
S.F
587
4
6
2
3
1
110V
220V
+B +B
+B
+B
+B
+B
+B
+B
+B
+B 250V 0.2A
GND LINE
SIGNAL LINE
+B
(K,P)
(X)
(T,E)
: AC120V 60Hz
: AC240V~ 50Hz
: AC230V~ 50Hz
50/60Hz
220-240V~
AC110-120V/
OFFON
M
ZD1
SW301
SW401
DRIVE
MOTOR
SW201
D105 D101
D102 D103
D104
AC
EQ
AMP
EQ
AMP
8.5V AVR Q301
POWER-TRANS
POWER-TRANS
AC
IC301
Q301
D101~105
ZD1
Lch
Rch
: KIA4558P
: KTC1027Y
: 1N4002
: MTZ9.1B
CP103
CP101
CP104
(K,P,E,T,X) TYPE
(M) TYPE
POWER
33
45
EQ
SW1
IC101
IC301
(2/2)
IC301
(1/2)
MOTOR ASS'Y POWER P.C.B ASS'Y
EQ P.C.B ASS'Y
SW P.C.B
P-T400(K)
PICKUP
+B LINE
CAUTION: For continued safety, replace safety critical com-
ponents only with manufacturer's recommended parts (refer
to parts list). indicates safety critical components. For
continued protection against risk of fire, replace only with
same type and rating fuse(s). To reduce the risk of electric
shock, leakage-current or resistance measurements shall
be carried out (exposed parts are acceptably insulated from
the supply circuit) before the appliance is returned to the
customer.
The DC voltage is an actual reading measured with a high
impedance type voltmeter at 33-1/3 r. p. m. mode. The mea-
surement value may vary depending on the measuring
instruments used or on the product.
P-T400(k)COVER( 98.4.2310:30PM y[W 7

D
G
G
H
Gx2
Ax3
A
A
Fx2
A
P-T400
Ex2
B
K
K
M
B
C
J
605
625
602
601
647
644
645
603
604
648
640
638
646
639 642
613
631
632 621
620
612 606
626
629
624
610
608x2
636
637
641
633
743
710
714
630
648-1
635
714
634
728
623
615
617
618
619
627x2
627x2
616
613
609
647
A
B
C
D
E
F
G
H
J
M
ø 3x12
ø 3x10
ø 3x8
ø 3x20
M3x6
ø 3x10
ø 2x12
M2x6(BLK)
:
:
:
:
:
:
:
:
:
:
N91-3012-46
N91-3010-46
N91-3008-46
N91-3020-46
N09-2667-15
N30-3006-46
N89-3010-46
N10-2040-46
N89-2012-46
N33-2006-45
1
2
3
AB
Parts with the exploded numbers larger than 700 are not supplied.
P-T400
5
EXPLODED VIEW
P-T400(k)COVER( 98.4.2310:30PM y[W 8

P-T400
6
PARTS LIST
✽New Parts
Parts without Parts No. are not supplied.
Les articles non mentionnes dans le Parts No. ne sont pas fournis.
Teile ohne Parts No. werden nicht geliefert.
Ref. No Add-
ress
New
Parts
Description Desti-
nation Re-
marks
Parts No.
L : Scandinavia K : USA P : Canada R : Mexico
Y : PX(Far East, Hawaii) T : Europe E : Europe G : Germany
Y : AAFES(Europe) X : Australia M : Other Areas
indicates safety critical components.
✽New Parts
Parts without Parts No. are not supplied.
Les articles non mentionnes dans le Parts No. ne sont pas fournis.
Teile ohne Parts No. werden nicht geliefert.
Ref. No Add-
ress
New
Parts
Description Desti-
nation Re-
marks
Parts No.
L : Scandinavia K : USA P : Canada R : Mexico
Y : PX(Far East, Hawaii) T : Europe E : Europe G:Germany
Y : AAFES(Europe) X : Australia M : Other Areas
indicates safety critical components.
-✽B60-3529-08 INSTRUCTION MANUAL(ENG) KPTMX
-✽B60-3530-08 INSTRUCTION MANUAL(FRN) PE
-✽B60-3531-08 INSTRUCTION MANUAL(G,N,I) E
-✽B60-3532-08 INSTRUCTION MANUAL(SPN) EM
-✽B60-3533-08 INSTRUCTION MANUAL(TWN) M
-✽G16-0900-08 PE SHEET,PROTECT
-✽H10-5488-08 CUSHION,SNOW
- H25-1626-08 POLY BAG,NO-SILK
-✽H25-1627-08 POLY BAG,NO-SILK
-✽H50-2609-08 BOX,GIFT KPETX
-✽H50-2610-08 BOX,GIFT M
-✽J60-0029-08 RIBBON
A N91-3012-46 SCREW B010230121W1
B N91-3010-46 SCREW
C N91-3008-46 SCREW
D N91-3020-46 SCREW
E N09-2667-15 SCREW
F N30-3006-46 SCREW B000030061P1
H N10-2040-46 NUT
J N89-2012-46 SCREW B010220101P1
M N33-2006-45 SCREW
C101 CE04KW1C102M ELECTRO 1000UF 16WV
C102 CE04KW1C221M ELECTRO 220UF 16WV
C301,302 CE04KW1H010M ELECTRO 1.0UF 50WV
C303 CE04KW1C470M ELECTRO 47UF 16WV
C304,305 CK45FB1H102K CERAMIC 1000PF K
C306,307 CE04KW1H4R7M ELECTRO 4.7UF 50WV
C308,309 CF92FV1H222J MF-C 2200PF J
C310,311 CF92FV1H822J MF-C 8200PF J
C312,313 CE04KW1H3R3M ELECTRO 3.3UF 50WV
C314 CE04KW1C470M ELECTRO 47UF 16WV
C315 CK45FB1H223K CERAMIC 0.022UF K
CP101 E35-1608-08 CN.WAFER
CP103 ✽E40-1607-08 CN.WAFER
CP104 E40-9970-08 CN.WAFER
FUSE1 F50-0008-08 FUSE,250V0.2A TEMX
FUSE1 F50-0135-08 FUSE,250V0.2A KP
VR101,102 ✽R32-0068-08 TRIMMING POT
SW1 S62-0004-08 SW,SLIDE (VOLTAGE SELECT) M
SW301 ✽S62-0071-08 SW,SLIDE (EQ)
D101-105 1N4002A DIODE
IC301 ✽KIA4558P IC
Q301 ✽KTC1027Y TRANSISTOR
ZD1 MTZ9.1B ZENER DIODE
601 1B ✽A53-2026-08 COVER,DUST
602 1A G16-0828-08 MAT,SHEET
603 1A D02-0122-08 PLATTER,CASTING
604 1A D16-0317-08 BELT
605 1A ✽W01-0950-08 COUPLER,ABS BK/EP
606 3B J19-3414-08 STOPPER
608 3B G11-2058-08 CUSHION,
609 2A ✽D21-1890-08 SHAFT ASSY,CENTER
610 2B L07-0324-08 POWER TRANSFORMER ET
610 2B ✽L07-2488-08 POWER TRANSFORMER X
610 2B ✽L07-2489-08 POWER TRANSFORMER KP
610 2B ✽L07-2490-08 POWER TRANSFORMER M
612 3B ✽S68-0086-08 SW,PUSH
613 2A,3A ✽G11-2357-08 CUSHION,DUST COVER
615 3A ✽A60-1325-08 PANEL ASSY,FRONT
616 3A ✽K29-6870-08 KNOB ASSY,REJECT
617 3A ✽G01-4039-08 SPRING,RETURN
618 3A ✽K29-6871-08 KNOB ASSY,SPEED-33
619 3A ✽K29-6872-08 KNOB ASSY,SPEED-45
620 2B ✽N19-1446-08 WASHER
621 2B ✽E35-2022-08 RING TERMINAL WIRE
623 3A ✽D10-3771-08 LINK,REJECT
624 3B ✽T42-0902-08 MOTOR ASSY
625 1A E40-9981-08 PLUG,CONVERSION M
626 3B ✽E30-2871-08 CORD,AC KP
626 3B ✽E30-2872-08 CORD,AC X
626 3B ✽E30-2873-08 CORD,AC ME
626 3B ✽E30-2874-08 CORD,AC T
627 3A J02-1071-08 CUSHION,FOOT RUBBER
629 3B E30-2652-08 CORD,RCA
630 2B ✽D10-3772-08 ARN ASSY,FEED
631 2B G01-3358-08 SPRING
632 2B D12-0130-08 LIFTER,ELEVATION
633 2B N29-0269-08 RING
634 3A ✽N19-1447-08 WASHER
635 3A G01-3360-08 SPRING
636 2B J21-5730-08 HOLDER,LEVER
637 2B K27-2027-08 HANDLE,LIFTER
638 2B G01-3359-08 SPRING
639 2A J19-3416-08 ARM,STAND
640 2B ✽S74-0002-08 SW,LEAF(SW401)
641 2B ✽D10-3773-08 ARM,ACTUATING
642 2A ✽J99-0508-08 ARM,ELEVATION
644 2A ✽D13-1849-08 RING ASSY,GEAR
645 2A D10-3138-08 LEVER,REJECT
646 2A ✽D10-3774-08 LINK,CUT
647 1B ✽J50-0140-08 HANGER
648 2B ✽J91-0502-08 TONEARM ASSY
648 -1 2A T21-0158-08 CARTRIDGE
- B46-0096-53 WARRANTY CARD X
- B46-0310-03 WARRANTY CARD TE
- B46-0330-03 WARRANTY CARD K
- B46-0336-03 WARRANTY CARD P
1 2
P-T400
ELECTRIC PARTS
P-T400(k)COVER( 98.4.2310:29PM y[W 5

P-T400
7
PARTS DESCRIPTIONS
P-T400(k)COVER( 98.4.2310:29PM y[W 4

P-T400
SPECIFICATIONS
14-6,Dogenzaka 1-chome, Shibuya-ku, Tokyo, 150 Japan
KENWOOD SERVICE CORPORATION
P.O BOX 22745, 2201 East Dominguez St., Long Beach, CA 90801-5745, U.S.A.
KENWOOD ELECTRONICS CANADA INC.
6070 Kestrel Road, Mississauga, Ontario, Canada L5T 1S8
KENWOOD ELECTRONICS LATIN AMERICA S.A.
P.OBOX55-2791,Piso6plazaChase,Cl.47yAquilinodelaGuardiaPanama,RepublicdePanama
KENWOOD ELECTRONICS U.K. LIMITED
KENWOOD House, Dwight Road, Watford, Herts., WD1 8EB., United Kingdom
KENWOOD ELECTRONICS BENELUX N.V.
Meachelsesteenweg 418, B-1930 Zaventem, Belgium
KENWOOD ELECTRONICS DEUTSCHLAND GMBH
Rembrücker Str. 15, 63150 Heusenstamm, Germany
KENWOOD ELECTRONICS FRANCE S.A.
13 Boulevard Ney, 75018 Paris, France
KENWOOD ELECTRONICS ITALIA S.p.A.
Via G. Sirtori, 7/9 20129, Milano, ltaly
KENWOOD IBÉRICA S.A.
Bolivia, 239-08020 Barcelona, Spain
KENWOOD ELECTRONICS AUSTRALIA PTY. LTD.
(A.C.N. 001499 074)
P.O Box 504, 8 Figtree Drive, Australia Centre, Homebush, N.S.W. 2140, Australia
KENWOOD & LEE ELECTRONICS, LTD.
Unit 3712-3724, Level 37, Tower 1, Metroplaza, 223 Hing Fong Road, Kwai Fong N.T., Hong Kong
KENWOOD ELECTRONICS GULF FZE
P.O.Box 61318, Jebel Ali, Dubai, U.A.E.
KENWOOD ELECTRONICS SINGAPORE PTE LTD.
No. 1 Genting Lane #02-02, KENWOOD Building, Singapore, 349544
KENWOOD ELECTRONICS (MALAYSIA) SDN BHD.
#4.01 Level 4, Wisma Academy Lot 4A, Jalan 19/1 46300 Petaling Jaya Selangor Darul Ehsan
Malaysia
Note:
Component and circuit are subject to modification to insure best operation
under differing local conditions. This manual is based on Europe (E) standard,
and provides information on regional circuit modification through use of alter-
nate schematic diagrams, and information on regional component variations
through use of parts list.
Motor and turntable
Drive system.............................................................Belt-drive system
Motor...........................................................................DC servo motor
Turntable platter.......................................................29.5 cm diameter
Speeds.................................................2 speeds ; 33-1/3 and 45 rpm.
Wow & flutter.............................................Less than 0.05 % (WRMS)
S/N (rumble).........................................................DIN : 65 dB (DIN B)
Tonearm
Type..........................................................Integrated straight tonearm
Effective arm length..................................................215 mm (8-7/16")
Cartridge
Type ............................................................................MM type (V-76)
Stylus.........................................................N-76 with 0.6 mill diamond
Frequency response...................................................20 Hz to 20 kHz
Output voltage ........................................2.5 mV (1kHz, 3.54 cm/sec.)
Equalizer amplifier
Output voltage
(RIAA EQ ON) .......................................200 mV (1kHz, 3.54 cm/sec.)
General
Power consumption.......................................................................4 W
Dimensions .....................................................W : 400 mm (15-3/4")
H : 103 mm (4-1/16")
D : 380 mm (14-15/16")
Weight (net).....................................................................3.0 kg (6.6lb)
Note:
KENWOOD follows a policy of continuous advancements. For this reason specifications may be changed without notice.
P-T400(k)COVER( 98.4.2310:29PM y[W 1