Kenwood KRC-Z965 Service Manual
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CASSETTE RECEIVER
KRC-Z965,X838
QQ
3 7 63 1515 0
SERVICE MANUAL
This service manual does not include information on the cassette mechanism operation description.
For such information, please refer to the cassette mechanism assembly service manual (D40-1122-05: B51-7452-00).
KRC-Z965
X838
TE
L 13942296513
Plastic
cabinet assy
(A02-2712-13)
Escutcheon
(B07-3050-02)
www
.
Front glass
(B10-4216-01)
Front glass
(B10-4215-01)
DC cord
(E30-6063-05)
Mounting
hardware assy
(J21-9823-03)
x
ao
u163
y
i
2 9
8
Q Q
3
6 7
1 3
1 5
Lever
Screw set
(D10-4674-04)x2
(N99-1656-05)
Remote controller assy
(A70-2026-05)
co
.
9 4
2 8
©
2002-2 PRINTED IN JAPAN
B51-7926-00 (S) 2142
Panel assy
(A64-2653-11)
Panel assy
(A64-2652-11)
0 5
8
2 9
9 4
2 8
Screw set
(N99-1723-05)
:KRC-Z965
Antenna adaptor
(T90-0523/0534/0552-05)
m
9 9
9 9

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Summary of Contents for Kenwood KRC-Z965

  • Page 1 CASSETTE RECEIVER KRC-Z965,X838 3 7 63 1515 0 SERVICE MANUAL © 2002-2 PRINTED IN JAPAN B51-7926-00 (S) 2142 This service manual does not include information on the cassette mechanism operation description. For such information, please refer to the cassette mechanism assembly service manual (D40-1122-05: B51-7452-00).
  • Page 2 3 7 6 3 1 5 1 5 0 E-VOL OUT LEVEL E'S OUT LEVEL PRE OUT LEVEL (M) TYPE (E) TYPE (M) TYPE (E) TYPE (M) TYPE (E) TYPE 4.5V PRE 1.8V PRE 4.5V PRE 1.8V PRE 4.5V PRE 1.8V PRE TAPE 774mV...
  • Page 3: Component Description

    KRC-Z965,X838 COMPONENT DESCRIPTION 3 7 63 1515 0 SWITCH UNIT (X16-1682-71) Ref.No. Component Name Application/Function Operation/Condition/Compatibility TAR5S33 FL AVR +3.3V Output For FL control lines, 5V → 3.3V logic level shifting TC74HC4050AFT Buffer RS-171 Remote sensor IC BA3830F BPF IC...
  • Page 4 KRC-Z965,X838 COMPONENT DESCRIPTION 3 7 63 1515 0 Ref.No. Component Name Application/Function Operation/Condition/Compatibility 2SA1576A Q18 and Q20 work as a differential amplifier, Q19 works as a driver, 2SC4081 PRE-AMP -9V AVR and -9.3V is supplied to OP AMP. 2SA1576A 2SC4081...
  • Page 5: Microcomputer's Terminal Description

    KRC-Z965,X838 MICROCOMPUTER'S TERMINAL DESCRIPTION 3 7 63 1515 0 IC5 (SWITCH UNIT : X16-1682-71) Pin No. Pin Name Description Processing Operation SC DATA I/O Data input/output with the system MI-COM. MC CLK Clock input from the system MI-COM. Not used(N.C.)
  • Page 6 KRC-Z965,X838 MICROCOMPUTER'S TERMINAL DESCRIPTION 3 7 63 1515 0 Pin No. Pin Name Description Processing Operation Key return 1 input SC REQ Communication request output to the system MI-COM. Lo: Standby, Hi: Request Not used(N.C.) SC CON Control input from the system MI-COM.
  • Page 7 KRC-Z965,X838 MICROCOMPUTER'S TERMINAL DESCRIPTION 3 7 63 1515 0 Pin No. Pin Name Description Processing Operation MUTE I/O MUTE output Lo: Muting OFF, Hi-Z: Muting ON O CE I/O External display CE terminal O CLK I/O External display clock terminal...
  • Page 8 KRC-Z965,X838 MICROCOMPUTER'S TERMINAL DESCRIPTION 3 7 63 1515 0 Pin No. Pin Name Description Processing Operation PANEL DET Panel detection input Lo: Panel attached, Hi: Panel detached CH MUTE Mute request from changers Hi: Mute request PHONE PHONE detection input 1V or less: TEL MUTE, 2.5V or greater: NAVI MUTE...
  • Page 9: Test Mode

    KRC-Z965,X838 TEST MODE 3 7 63 1515 0 1. How to enter the test mode • HPF is adjusted in 2 steps of Through / 220Hz with the Track Up/Down keys. While pressing and holding the Preset 1 and Preset 3 keys, •...
  • Page 10 KRC-Z965,X838 TEST MODE 3 7 63 1515 0 turns on 2zone. Cancel by pressing the TI (AUTO) key Security-related information again. The P/S dot is lit during 2zone. 1. Forced Power ON mode (All models) • In the case of 2 PREOUT model with Non Fader output,...
  • Page 11 KRC-Z965,X838 3 7 63 1515 0 ADJUSTMENT Set the controls and switches as follows. BALANCE : center position BASS : center position LOUD : OFF DOLBY NR : OFF FADER : center position TREBLE : center position TUNER INPUT OUTPUT...
  • Page 12 PC BOARD (Component Side View + Foil Side View) 3 7 63 1515 0 DAUGHTER UNIT DAUGHTER UNIT X89-2532-71 (J74-1332-12) X89-2532-71 (J74-1332-12) L 13942296513 u163 Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 13 PC BOARD (Component Side View) 3 7 6 3 1 5 1 5 0 ELECTRIC UNIT SWITCH UNIT ELECTRIC UNIT SWITCH UNIT X25-923X-XX (J74-1330-22) X16-1682-71 (J74-1327-22) (X25-923X-XX) (X16-1682-71) C203 C108 C814 C813 C812 C107 C102 C101 R242 C141 R188 R177 R187 R168 IC10...
  • Page 14 PC BOARD (Foil Side View) 3 7 6 3 1 5 1 5 0 SWITCH UNIT ELECTRIC UNIT SWITCH UNIT ELECTRIC UNIT X16-1682-71 (J74-1327-22) X25-923X-XX (J74-1330-22) (X16-1682-71) (X25-923X-XX) C109 C110 R170 R179 C135 C133 C131 C137 C139 C103 C104 R169 R180 R185 R165...
  • Page 15 IN 2 GND 2 NC18 14.4V 5.0V VCC 1 NC17 R628 R629 1Kx2 1Kx2 VCC 2 NC16 47Kx2 1Kx2 X838 KRC-Z965 R630 R631 CP14 NC12 OUT 2 4.7Kx2 100Kx2 0.1V from CN1 C619 BU5V NC14 SUB MOTOR DRIVER BU5V BU5V...
  • Page 16 UNIT No. IC10,11 R809 C D E 96,101,102,814 99,100 175-178 173,174, 10-12,14 MECHA X838(E) 2-70 10u16 2.2M -PLAY HEAD- KRC-Z965(M) 0-21 22u16 2.2K 100K CASSETTE MECHA w w w X89- u 1 6 3 NJM4565M-TE2 DAN202U DAP202U MA142WA TC74HC02AF BA3129F...
  • Page 17 0-00 KDC-719 (YG) BPF IC KDC-X559 100Kx4 1Kx4 X838 X25- Z638 N.C. 5 270K 1.3V S70-0856-05 2-71 KRC-Z965 (SR/PG) SRC 6 KDC-Z838 D GND D GND 270K 1.3V KDC-Z737 FL VDD LNNF R1 470 SIGNAL LINE SC CON SC CON...
  • Page 18: Exploded View (Mechanism)

    KRC-Z965,X838 3 7 63 1515 0 EXPLODED VIEW (MECHANISM) L 13942296513 B 2x2.5 N09-4324-08 WASHER N19-2136-08 M2x13 N09-4325-08 B 2x3 N09-4326-08 M2x3 N09-4058-08 WASHER N19-2038-08 WASHER N19-2136-08 u163 WASHER N19-2137-08 WASHER N19-2138-08 N09-4327-08 WASHER N19-2139-08 Parts with exploded numbers larger than 700 are not suppied.
  • Page 19: Exploded View (Unit)

    KRC-Z965,X838 3 7 63 1515 0 EXPLODED VIEW (UNIT) CME1 B 2x3.5 N09-6006-05 M2.6x5 N09-6053-05 WASHER N19-2168-05 RETAINING RING N24-3020-46 M2x3 N30-2003-46 M3x6(BLK) N30-3006-45 M3x10 N30-3010-46 B 2x6 N80-2006-46 B 2x8(BLK) N80-2008-45 B 3x5 N83-3005-46 B 2.6x6 N84-2606-46 (X16-1682-71) B 3x8...
  • Page 20: Parts List

    L92-0332-05 CHIP FERRITE H25-0329-04 PROTECTION BAG (280X450X0.03) u163 L92-0332-05 CHIP FERRITE H25-0337-04 PROTECTION BAG (180X300X0.03) L92-0332-05 CHIP FERRITE H25-1111-04 PROTECTION BAG (280X450X0.03) ∗ H54-2326-03 ITEM CARTON CASE L78-0821-05 RESONATOR (20.0MHZ) E : X838 M1 : KRC-Z965 indicates safety critical components.
  • Page 21 CHIP C 1000PF K BA3830F ANALOGUE IC C46,47 C90-2595-05 ELECTRO 4.7UF 16WV ∗ UPD703032GFA04 MI-COM IC CK73GB1H103K CHIP C 0.010UF K ∗ C90-5436-05 DTA144EUA DIGITAL TRANSISTOR C49-53 ELECTRO 4.7UF 16WV E : X838 M1 : KRC-Z965 indicates safety critical components.
  • Page 22 C145,146 CC73GCH1H100D CHIP C 10PF R90-0725-05 MULTI-COMP C201,202 CK73GB1H332K CHIP C 3300PF K R90-0720-05 MULTI-COMP 100K C203 CK73GB1H104K CHIP C 0.10UF K R90-1022-05 MULTI-COMP C204 CK73GB1H103K CHIP C 0.010UF K E : X838 M1 : KRC-Z965 indicates safety critical components.
  • Page 23 R153,154 RK73GB2A334J CHIP R 330K J 1/10W RK73GB2A103J CHIP R J 1/10W R155,156 RK73EB2E100J CHIP R J 1/4W RK73GB2A104J CHIP R 100K J 1/10W R157 RK73EB2E4R7J CHIP R J 1/4W E : X838 M1 : KRC-Z965 indicates safety critical components.
  • Page 24 ∗ UPD703033GFA19 MI-COM IC R809 RK73GB2A104J CHIP R 100K J 1/10W R809 RK73GB2A225J CHIP R 2.2M J 1/10W TDA7407 ANALOGUE IC R810 RK73GB2A104J CHIP R 100K J 1/10W M5237ML IC(VOLTAGE REGULATOR) E : X838 M1 : KRC-Z965 indicates safety critical components.
  • Page 25 DIGITAL TRANSISTOR G02-1332-08 FLAT SPRING u163 UN5212 DIGITAL TRANSISTOR D13-1498-08 RACK (GEAR) Q36-40 DTC143TUA DIGITAL TRANSISTOR D10-4377-08 LEVER Q36-40 UN5216 DIGITAL TRANSISTOR D10-4378-08 LEVER Q36-42 DTC143TUA DIGITAL TRANSISTOR D10-4379-08 LEVER E : X838 M1 : KRC-Z965 indicates safety critical components.
  • Page 26 SEMS (MACHINE SCREW) N19-2038-08 FLAT WASHER N19-2136-08 FLAT WASHER N19-2137-08 FLAT WASHER N19-2138-08 FLAT WASHER N09-4327-08 SCREW N19-2139-08 FLAT WASHER T42-1002-08 MOTOR ASSY (MAIN) T42-1001-08 MOTOR ASSY (SUB) T31-0230-08 PLAYBACK HEAD u163 E : X838 M1 : KRC-Z965 indicates safety critical components.
  • Page 27: Specifications

    Installation Size (W) x (H) x (D) ..... 180mm x 50mm x 159mm Weight ..........1.4kg 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.

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Krc-x838

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