KENWOOD XSG7G
Manual de Servicio

X-SG7/SG7G
ADJUSTMENT
Order Item Input setting Output setting Deck setting Adjustment points Adjustment method Fig. Unless otherwise specified, set the respective switches as follow : TAPE : NORMAL DOLBY : OFF INPUT : REC IN I. Cassette mechanism section (Recording/play head adjustment)

OUTPUT : PLAY OUT

<1>

Demagnetization and cleaning

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Demagnetize the REC/ PLAY head with the head eraser. Clean the Power : OFF Recording head, REC/PLAY head, erase Demagnetization, erase head, capstan, head, capstan and cleaning, PLAY pinch roller pinch roller using a cotton swab slightly damped with alcohol. Adjust the output to maximum and adjust the azimuth adjustment screw for the Lissajous waveform pattern of the oscilloscope to become close to a 45� straight line.

<2>

Azimuth of the REC/PLAY head

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TCC-153 MTT-114 10KHz, -10dB

LINE OUT (Lch or Rch)

PLAY FWD RVS

II. Printed circuit board adjustment (X28-297) (1) Tape speed (normal) TCC-110 MTT-111 3KHz TCC-130 400 Hz TCC-108A 12.5KHz, -21dBm TCC-108A (4) Recording level 400Hz, -21dBm (A) (A) PLAY MANUAL ADJUSTMENT MODE PLAY MANUAL TEST MODE REC and PLAY MANUAL TEST MODE REC and PLAY MOTOR VR. Adjust so ; that the frequency is 3KHz at the tape center. Output level : -1dBs

(2)

Playback level

(A)

ADJUSTMENT VALUE UP : [DOLBY] KEY DOWN : [RVS PLAY] KEY CHANGE OF ADJUSTMENT MODE [CRLS] KEY

(3)

Bias current

(A)

-21dBm

-21dBm

(A) Measurement Equipment Connection
R L
REC IN

( The method of the manual adjustment mode. (1) Setting Shorting the TEST pin of (X28)(A/5) TP5 � � TP4 with the w diode, plug the power cord to the AC wall let. (2) Refer to manual adjustment mode(3-3), if require more details.

PLAY OUT

SYSTEM CONTROL

AC voltmeter

AG

Oscilloscope

AC voltmeter Distortion meter

KSJ-0816

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