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GRAPHIC EQUALIZER

G-EQ300

SERVICE MANUAL

© 1997-9/B51-5354-00 (K/K) 3669

TAPE

ON/STANDBY

EQ.EFFECT

GRAPHIC/

PARAMETRIC

MAIN POWER

TAPE

DISPLAY REVERSE

FLAT MANU./REF.

PAUSE

PATTERN

1

2

3

F1

F2

F3

4

5

MEMORY

POP./1 ROCK/2 JAZZ/3

BYPASS

CAR

H.P.ST.

FUSION/4 CLASSIC/5 MOVIE

WIDE/NARROW

EQ.LEVEL

FREQUENCY JOG

-

ON 

OFF

LINE

IN

OUT

R

L

R

L

TAPE

PLAY

IN

REC
OUT

SYSTEM

 CONTROL

AC OUTLET

Front panel 
(A60-1354-08)

Dressing panel
(A21-3601-03)

Display window
(B10-2444-08)

Level button
(K29-6911-08)

Top cabinet
(A01-3548-08)

Receptacle power socket *
(E03-)

D3.5 jack
(E63-0186-08)x2

D3.5 jack
(E11-0188-05)

Nylon stopper
(J42-0200-08)

AC power cord *
(E30-)

Power button
(K29-6916-08)

Power button
(K29-6910-08)

Tape button
(K29-6914-08)

Function button
(K29-6912-08)

Frequency button
(k29-6913-08)

Shuttle knob
(K29-6915-08)

* Refer to parts list on page 16.

G-EQ300 

1P~.INT(CIR 

 

97.11.27 

8:19 

PM 

  y [ W  1

Summary of Contents for G-EQ300

Page 1: ...OFF LINE IN OUT R L R L TAPE PLAY IN REC OUT SYSTEM CONTROL AC OUTLET Front panel A60 1354 08 Dressing panel A21 3601 03 Display window B10 2444 08 Level button K29 6911 08 Top cabinet A01 3548 08 Receptacle power socket E03 D3 5 jack E63 0186 08 x2 D3 5 jack E11 0188 05 Nylon stopper J42 0200 08 AC power cord E30 Power button K29 6916 08 Power button K29 6910 08 Tape button K29 6914 08 Function b...

Page 2: ...ro cessor and return it to normal condition What appears to be a malfunction may not always be serious If your unit should not perform as expected consult the table elow to see if the problem can be corrected before seeking help from your dealer or service representative n case of difficulty Please note that resetting the microprocessor clears the contents stored in it returns the micro processor ...

Page 3: ... 8 GRAPHIC PARAMETRIC key GRAPHIC Select this mode when adjust ing an equalizer curve PARAMETRIC Select this mode when creating an equalizer curve according to center frequencies 90EQ LEVEL UP DOWN keys Press the up or down key to increase or decrease the equalizer level EQ EFFECT key Press to turn the equalizer mode ON and OFF TAPE key Use when playing back or recording a tape DISPLAY key Press t...

Page 4: ... EQ300 PARTS DESCRIPTIONS ...

Page 5: ...E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B B E E B E Refer to the schematic diagram for the value of resistors and capacitors C BOARD Component side view 6 PCB SD INT 97 11 277 28AM y...

Page 6: ...14 28 15 1 10 20 11 1 14 28 15 1 10 11 20 1 4 5 8 1 4 1 11 FREQUENCY JOG E E B B E B E B E B AC OUTLET AC220 240V AC110 120V SYSTEM CONTROL OUT IN REC OUT PLAY IN TAPE LINE MAIN POWER Refer to the schematic diagram for the value of resistors and capacitors PC BOARD Component side view 7 8 PCB SD INT 97 11 277 29AM y W 2 ...

Page 7: ...83 AN3 P82 AN2 CF2 VDD1 VSS1 CF1 XT2 P75 P87 AN7 ENCODER IN S11 PB3 73 72 71 77 76 75 74 S44 PF4 S45 PF5 S43 PF3 S42 PF2 S41 PF1 S40 PF0 S39 PE7 80 79 78 82 V2 PL5 83 84 V1 PL4 COM0 PL0 81 S47 PF7 V3 PL6 S46 PF6 85 86 87 COM2 PL2 COM3 PL3 88 P30 P31 89 90 VSS3 COM1 PL1 91 P32 BACK UP 92 93 P33 94 P35 95 96 P00 P34 11 RES 8 9 6 7 P14 SI1 SB1 P13 SO1 SUB ST P15 SCK1 P17 PWM0 P16 BUZ 97 P02 99 P03 98...

Page 8: ...5 A46 A47 A48 A49 A50 G14A G13A G12A G11A G10A G8A G9A G6A G7A G5A G3A G4A G1A F 97 F 96 NP 95 G1B 94 G2B 93 G3B 92 G4B 91 G5B 90 G6B 89 G7B 88 B15 87 B4 86 B5 85 B1 84 B2 83 B10 82 B9 81 B11 80 B6 79 B7 78 B8 77 B3 76 B14 75 B12 74 B13 73 IC 72 IC 71 A38 70 A37 69 A36 68 A35 67 A34 66 A33 65 A32 64 A31 63 A30 62 A29 61 A28 60 A27 59 A26 58 A39 57 A40 56 A41 55 A42 54 A43 53 A44 52 A45 51 A46 50 A...

Page 9: ...K 47K R129 C175 C173 4 7u100 C171 4 7u100 C169 4 7u100 220P R135 11K C177 220P 2700P C183 C179 1800P R131 11K 820K R125 C147 4 7u100 C115 4 7u100 820K x 7 AR103 1 7 4 2 3 5 6 8 9 10 20 14 17 19 18 16 15 13 12 11 47K 560 1800P C180 C184 2700P 220P C178 11K R136 220P 4 7u100 C148 R126 820K 11K R132 560 47K 47K 560 560 47K 47K 560 47K VE GND VD 10K 10K 0 027 C151 C149 0 033 0 022 C153 C155 0 018 0 01...

Page 10: ...423 SW427 SW404 SW401 SW402 SW407 SW409 SW406 EFFECT SW403 POWER SW408 PAUSE SW405 PATTEAN S340 SW410 SW413 SW414 SW412 SW415 SW416 SW411 TAPE DISPLAY REVEASE FLAT MANUAL POPULAR ROCK JASS FUSION CLASSIC MOVIE SW420 SW421 SW417 SW418 SW419 SW422 1 2 3 4 5 MEMORY UP FREQUENCY JOG DOWN GRAPHIC WIDE F1 F2 F3 G EQ300 A A A A Ax2 Ax2 AC OUTLET VOLTAGE SELECTOR S W SYSTEM CONTROL TAPE LINE 618 616 601 6...

Page 11: ...MYLAR 1800PF J C181 182 CQ93FM1H222J MYLAR 2200PF J C183 184 CQ93FM1H272J MYLAR 2700PF J C185 186 CQ93FM1H332J MYLAR 3300PF J C187 189 CK45FB1H331K CERAMIC 330PF K C191 CK45FB1H103K CERAMIC 0 010UF K C192 CE04KW1C101M ELECTRO 100UF 16WV C193 CK45FB1H103K CERAMIC 0 010UF K C194 CE04KW1C101M ELECTRO 100UF 16WV C195 CE04KW2A4R7M ELECTRO 4 7UF 100WV C196 CE04KW1C101M ELECTRO 100UF 16WV C197 198 CE04KW...

Page 12: ...IODE ZD102 MTZ5 1B ZENER DIODE ZD103 MTZ6 2B ZENER DIODE ZD104 MTZ6 8B ZENER DIODE ZD301 302 MTZ6 2B TRANSISTOR ZD303 MTZ2 7B TRANSISTOR ZD304 305 MTZ4 7B TRANSISTOR ZD306 MTZ5 6B TRANSISTOR C207 CE04KW1C221M ELECTRO 220UF 16WV C208 209 CE04KW2A010M ELECTRO 1 0UF 100WV C210 211 CK45FB1H221K CERAMIC 220PF K C214 215 CK45FB1H221K CERAMIC 220PF K C217 CE04KW2A010M ELECTRO 1 0UF 100WV C218 219 CE04KW1...

Page 13: ...uilding 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 ote omponent and circuit are subject to modification to insure best operation nder differing local conditions This manual is based on Europe E standard nd provides information on regional circuit modification through use of ternate schematic d...

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