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Kenwood X-W320 Service Manual
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Kenwood X-W320 Service Manual

Stereo double cassette deck
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Download this manual See also: Instruction Manual
STEREO DOUBLE CASSETTE DECK
X-W320
SERVICE MANUAL
Cassette lid ass'y
(A53-2021-08)
A
2
7
3
1
LINE
REC
PLAY
IN
OUT
L
R
Phono jack
(E11-0369-08)
Front glass
(B03-3818-08)
STEREO DOUBLE CASSETTE DECK X-W320
REV.
MODE
DOLBY NR
CCRS
POWER
RESET
0
¡
- ON – OFF
Panel
(A60-1287-08)
SYSTEM
CONTROL
AC 110 -
120V
Miniature phone jack
(E11-0188-05)
© 1997-8/B51-5348-00 (K/K) 3486
DUBBING
NORM.
HIGH
O.T.E.
REC LEVEL
8
2
0
1
MIN
MAX
Power cord bushing
(J42-0336-08)
AC 220 -
240V
Slide switch *
AC power cord *
(S90-0125-08)
(E30-)
* Refer to parts list page on 16.
Cassette lid ass'y
(A53-2022-08)
B
7
3
¡

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Summary of Contents for Kenwood X-W320

  • Page 1 STEREO DOUBLE CASSETTE DECK X-W320 SERVICE MANUAL © 1997-8/B51-5348-00 (K/K) 3486 Cassette lid ass'y Front glass Cassette lid ass'y (A53-2021-08) (B03-3818-08) (A53-2022-08) STEREO DOUBLE CASSETTE DECK X-W320 DUBBING REV. NORM. HIGH MODE O.T.E. DOLBY NR CCRS POWER REC LEVEL RESET ¶...

  • Page 2: Table Of Contents

    X-W320 CONTENTS / ACCESSORIES Contents CONTENTS / ACCESSORIES ........2 SCHEMATIC DIAGRAM ..........9 CIRCUIT DESCRIPTION ..........3 EXPLODED VIEW .............14 ADJUSTMENT .............6 PATS LIST ..............16 PC BOARD ..............7 SPECIFICATIONS ........Back cover Accessories Check that the following accessories are present. Audio cord ......(2) System control cord..(1)

  • Page 3: Circuit Description

    X-W320 CIRCUIT DESCRIPTION 1. Microprocessor 1-1 Microprocessor periphery block diagram REC MUTE IC 201 PB AMP LINE MUTE SYSTEM IC PLAY B/A MATRIX TAPE A B BIAS TAPE B B R/P DATA IC 101 CLOCK DOLBY NR STROBE u-COM REC EQ...
  • Page 4 X-W320 CIRCUIT DESCRIPTION 1-2 Pin description Pin No. Pin Name Description Action G7~G1 FL tube grid signal output (G7~G1) SUPPLY (+5V) System IC clock output System IC strobe signal input DATA System IC serial data output HXPRO HX-PRO bias switching...
  • Page 5 X-W320 CIRCUIT DESCRIPTION 2. Initialize When the mechanism made an irregular action, follow the chart below for initializing. Commence initializing Switch ON MTR (Wait for 1 sec.) Switch ON "PLAY" SW Switch ON SOL (50 msec.) Wait for 1 sec.

  • Page 6: Adjustment

    X-W320 ADJUSTMENT INPUT OUTPUT CASSETTE TAPE ALIGNMENT ITEM ALIGN FOR FIG. SETTINGS SETTINGS DECK SETTINGS POINTS Unless otherwise specified : each ; switch should be set as follows : TAPE : NORMAL, DOLBY : OFF, INPUT : LINE 0dBs=0.775V I.Cassette mechanism section (REC/PB head adjustment)

  • Page 7: Pc Board

    PC BOARD(Component side view) Refer to the schematic diagram for the value of resistors and capacitors.
  • Page 8 RECORD/PLAYBACK UNIT 13.3V +13V R301 27K R302 27K BUFFER C239 10u35 JK301 R313 R317 R307 10K PLAY:0V R305 100K REC:2.5V PLAY:0V PLAY:2.5V Q201 REC:4.2V REC:0V Q303 Q305 IC301 6.6V R235 REC IN Q301 PLAY:0.7V R315 R321 PLAY:4.3V Q308 REC:0V 3.9K 3.3K 3.3K Q307...
  • Page 9 DISPLAY UNIT FL601 +13V +13V CNP101 4.8V R253 1.5K C227 -19.2V 0.033 C221 4.5V R126 2200P C223 R161 R124 2200P R162 TP201 DOLBY NR R163 R261 -12.6V 0.7V 3.3K Q205,210 -12.4V 70uS/120uS R273 -12.4V R267 22K 1.8K Q205 R269 22K R122 10K R121 1K R120 10K...
  • Page 10 CNS604 STOP STOP TAPE A TAPE B X-W320(K) CAUTION: For continued safety, replace safety critical components only with DOLBY and the double-D symbol are trademarks of manufacturer's recommended parts (refer to parts list). indicates safety critical Dolby Laboratories Licensing Corporation. Noise components.
  • Page 12 120V~ 240V~ J701 POWER SW701 REV. DOLBY DUBBING MODE CCRS NORM. HIGH O.T.E. S604 S601 S616 S602 S605 S610 REC LEVEL A RESET B S604 S601 S616 S601 S616 S604 S601 S616 S601 S616 X-W320 S604 S601 S604 S604 S601...

  • Page 13: Audio Cord

    Ref. No Parts No. Description Ref. No Parts No. Description ress Parts nation marks Parts nation marks ress X-W320 H50-2443-08 ITEM CARTON CASE A01-3504-08 METALLIC CABINET 2E,2F J02-1197-08 FOOT A53-2015-08 CASE HOLDER (L) J19-5861-08 UNIT HOLDER (7mm) A53-2016-08 CASSETTE HOLDER (R) J19-5862-08 UNIT HOLDER (12.7mm)
  • Page 14 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 15 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. Add- Desti- Ref. No Parts No. Description Parts nation marks ress IC401 LA3160 IC402 TC4052BP...
  • Page 16 X-W320 PARTS DESCRIPTIONS...

  • Page 17: Specifications

    Dolby B NR ON ..68 dB Dolby C NR ON ..75 dB (3rd, H.D., 3 %, TYPE¿tape) 1. KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. Notes 2. The full performance may not be exhibited in an extremely cold location (under a water-freezing temperature).