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Kenwood G-EQ300 Service Manual
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Kenwood G-EQ300 Service Manual

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GRAPHIC EQUALIZER

G-EQ300
SERVICE MANUAL
Power button
(K29-6910-08)
PATTERN
TAPE
PAUSE
ON/STANDBY
MAIN POWER
-ON –OFF
EQ.EFFECT
TAPE
DISPLAY REVERSE FLAT MANU./REF.
Power button
Tape button
(K29-6916-08)
(K29-6914-08)
Top cabinet
(A01-3548-08)
TAPE
PLAY
REC
IN
OUT
IN
L
R
D3.5 jack
(E63-0186-08)x2
Dressing panel
Front panel
(A21-3601-03)
(A60-1354-08)
1
2
4
5
3
MEMORY
Function button
(K29-6912-08)
LINE
SYSTEM
CONTROL
OUT
L
R
D3.5 jack
(E11-0188-05)
© 1997-9/B51-5354-00 (K/K) 3669
Display window
(B10-2444-08)
F1
BYPASS
CAR
H.P.ST.
F2
POP./1 ROCK/2 JAZZ/3
FUSION/4 CLASSIC/5 MOVIE
Frequency button
(k29-6913-08)
Nylon stopper
(J42-0200-08)
AC OUTLET
* Refer to parts list on page 16.
Level button
(K29-6911-08)
GRAPHIC/
PARAMETRIC
EQ.LEVEL
WIDE/NARROW
FREQUENCY JOG
F3
Shuttle knob
(K29-6915-08)
AC power cord *
(E30-)
Receptacle power socket *
(E03-)

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Summary of Contents for Kenwood G-EQ300

  • Page 1: Graphic Equalizer

    GRAPHIC EQUALIZER G-EQ300 SERVICE MANUAL © 1997-9/B51-5354-00 (K/K) 3669 Power button Dressing panel Front panel Display window Level button (K29-6910-08) (A21-3601-03) (A60-1354-08) (B10-2444-08) (K29-6911-08) GRAPHIC/ PATTERN TAPE PARAMETRIC PAUSE EQ.LEVEL WIDE/NARROW FREQUENCY JOG ON/STANDBY MAIN POWER -ON –OFF EQ.EFFECT TAPE DISPLAY REVERSE FLAT MANU./REF.

  • Page 2: Table Of Contents

    G-EQ300 CONTENTS / ACCESSORIES Contents CONTENTS / ACCESSORIES ........2 EXPLODED VIEW .............15 CONTROLS ..............3 PARTS LIST...............16 PC BOARD ..............5 SPECIFICATIONS ........Back cover SCHEMATIC DIAGRAM ..........9 Accessories Audio cord (2) System control cord (1) AC plug adaptor(1) (E30-2841-08)

  • Page 3: Controls

    G-EQ300 CONTROLS Names and functions of parts Graphic equalizer display Character display Spectrum analyzer display Frequency display Character display indicator * * * * * * Indicators EQ. ON GRAPHIC EQ. ON GRAPHIC MEMORY PARAMETRIC MEMORY PARAMETRIC MANUAL MANUAL F1, F2, F3...
  • Page 4 G-EQ300 PARTS DESCRIPTIONS...
  • Page 5 PC BOARD(Component side view) Refer to the schematic diagram for the value of resistors and capacitors.

  • Page 6: Pc Board

    TAPE PC BOARD LINE AC OUTLET PLAY (Component side view) SYSTEM AC220~ AC110~ CONTROL 240V 120V I G O MAIN POWER FREQUENCY Refer to the schematic diagram for the value of resistors and capacitors.
  • Page 7 DISPLAY PCB 4.7V +4.7V +4.7V DISPLAY FILTER IC DISPLAY FILTER IC IC303 IC305 IC304 5.4V 4.8V D315 +5.6V CLK/2 R341 CLK/2 R342 1.6K 2.2K CLKR CLKR CLKC CLKC R340 2.7K V2/PL5 S20/PC4 R339 2.7K V1/PL4 S19/PC3 COM0/PL0 S18/PC2 4.8V COM1/PL1 S17/PC1 COM2/PL2 S16/PC0...
  • Page 8 FLAT C401 C402 MAIN PCB -CN102 0.01 0.01 NJU7311AL SW416 SW409 Q376 Q377 Q378 Q379 Q380 Q381 Q382 Q383 Q384 Q385 Q386 Q387 Q388 Q375 Q374 +4.8V +5.6V 5.4V 4.8V W403 W404 POWER TRANSFORMER +5.6V +5.6V G-EQ300 G-EQ300(M) (1/2) Y09-4610-10...
  • Page 9 R143 560 5.0V DISPLAY PCB -W302 CN102 CN101 G-EQ300(M) (2/2) DISPLAY PCB -W305 CAUTION: For continued safety, replace safety critical components only with The DC voltage is an actual reading measured with a high manufacturer's recommended parts (refer to parts list).

  • Page 10: Exploded View

    G-EQ300 EXPLODED VIEW (UNIT) VOLTAGE AC OUTLET SELECTOR A0101 SW102 SYSTEM CONTROL JK103 TAPE/LINE JK103 PATTEAN SW405 ø3x8(BLK) : N89-3008-45 FLT301 ø3x8 : N89-3008-46 PAUSE POWER SW408 ø3x6 : N89-3006-46 SW403 ø3x17 : N89-3017-46 EFFECT TAPE DISPLAY REVEASE FLAT MANUAL...

  • Page 11: Parts List

    G-EQ300 PARTS LIST 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.
  • Page 12 G-EQ300 PARTS LIST 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.

  • Page 13: Specifications

    Weight (net) ...........4.6 kg (10.2 lb) Maximum output voltage (at 1% T.H.D.)......7 V Output Impedance Line ................2.2 kΩ 1. KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. Notes Notes 2. Sufficient performance may not be possible at very low temperatures(0°C or less).