background image

- 4 -

R3

475

R4

475

R6

273
R5

273

R11
333

R16

473

R15
243

R12

473

R13

473

C5
101

/0J

C7

223

/2A

C6

223

/2A

C3

221

/0J

C4
4R7
/1V

+55V

-55V

AC42V

GND

A-SP L-CH

GND

GND

A-SP R-CH

GND

L-CH

GND

R-CH

from POWER AMP output

COM

to Logic K4(pin4-6)

L-CH

R-CH

HP GND

L-CH HP

R-CH HP

R10

221 3F

R9

221 3F

R7 362 3D

R8

362 3D

R20
100

3D

R19
100

3D

R23
392
3A

1

4

6

8

16

13

11

9

RELAY3

C1

334

/1H

C2

334
/1H

R14 183 2H

G

1

O1

2

H1

3

I1

4

V-

5

I2

6

H2

7

O2

8

V+

9

IC1

TA7318P-2

OVLD

1

CTVT

2

LATH

3

ACSN

4

GND

5

RLDV

6

PMT

7

POWR

8

IC2 UPC1237HA

3

2

1

VR1
471

3

2

1

VR2

471

3

6

1

8

4

5

RELAY2

3

6

1

8

4

5

RELAY1

D4

MA167

D2

MA167

D3

MA167

A-SP

SP Common

B-SP

B-SP L-CH

GND

GND

B-SP R-CH

1A

2A

3A

4A

K1A

1B

2B

3B

4B

K1B

D1

MA167

1

2

3

4

K2

L-GND

R-GND

L-CH

R-CH

to PUSH SW Ass'y K4

to PHONES Ass'y K1

1
2
3

K4

1

2

3

4

5

6

7

K3

R1

101

R2
101

R21
102

R25
102

1

2

3

K5

Protection Ass'y (720-0062-00)

SUB
IN
GND

+

-

OUT
-52.1V
GND

AC35V

AC0V(GND)

+52.1V

<+.55V

<-.57V

<+1.55V

<-1.47V

< -56.1V

< +53.7V

< -53.7V

>-54mA

<+54mA

< -42mA

+42mA >

<+56.1V

D4
MA165

D5
MA165

D8

1SS81

D9

1SS81

D1

HZ153L

C10

471
/2A

C8

471
/2A

C18
100
/2C

C17
100
/2C

D11
S5277G

1
2
3

K1

D10
S5277G

1
2

K3

1
2
3
4

K2

R13
562
3D

R12
562
3D

D2

HZ153L

R10

7680F

R18
102

R20

101G

3

2

1

VR1

102

C11
471

/2A

C9
471
/2A

R25 221

R27

222

R16

753

R17
753

R19
102

R21

101G

R22
302

R23
511

R26

221

R28
222

R29
470

3D

R32

2R2

R33 2R2

R34

822

R36
822

R35
822

R37
822

R38

R22K
3D

R39
R22K
3D

R40

R22K
3D

R41
R22K

3D

R42

R47

Q1

2SC3478_

-K,U

Q6

2SA1145_
-Y

Q8

-S,T

2SA1507

Q5

2SC2705_
-Y

Q7

-S,T

2SC3902_

Q14
2SC2837_
-O,P,Y

Q16

2SC2837_

-O,P,Y

Q15

2SA1186_

-O,P,Y

Q17

2SA1186_

-O,P,Y

6

5

7

IC1B

2

3

1

8

4

IC1A

NJM4559D-M

C15
151

C12

682

C13
682

C14 223

Q3
2SA1376_

-K,U

R1

105

R2

753

R3 471

R4
303

R6
472

R5
303

R7
472

R8
220

R9
220

R44
471

C20
102

R45
471

C19
102

C22
104

C21
104

C3

152

C6

101

/1C

C7
101

/1C

C16
151

R11
86R6F

R14

392G

Q2

2SA1376_
-K,U

Q4

2SC3478_
-K,U

Q10

2SC2710_-O,Y

Q11

2SA1150_

-O,Y

1

2

TP

C4

100 /1H

C5

100

/1H

Q12
2SC4793_

Q13
2SA1837_

C2
R47
/1H

KT1

R15

392G

Q9
2SC4685_

C1

4R7 /2A

Power Amp Ass'y
(717-0071-00)

Содержание E-212

Страница 1: ...ber Authorized Technical Service Only These servicing instructions are for use by qualified personnel only To reduce the risk of electric shock do not perform any servicing other than that contained i...

Страница 2: ...ont Panel Assembly Ass y 130 0162 01 Front rcylic 172 0117 13 Decoration Screw 2pcs 630 0304 14 Washer 2pcs 637 9045 04 Case 100 0058 02 Bottom Plate 155 0079 12 Foot 238 0023 00 Sub Panel 134 0131 03...

Страница 3: ...Panel 131 0162 01 2 Sub panel 134 0131 03 3 Panel End Cap 132 0109 04 4 Front Arcylic 172 0117 13 5 Decoration Screw 630 0304 14 Washer 637 9045 04 6 Push button 388 5044 03 POWER Coil Spring 285 1016...

Страница 4: ...itch Assembly Ass y 716 0603 00 Power Push Switch 354 1024 00 Fuse T5A L AC250V 100 120V 310 1502 00 T2 5A L AC250V 220 240V 310 1204 00 Diode D001 S10VB20 Attention mark indicating critical component...

Страница 5: ...0 10 Tape Switch Assembly Ass y 716 0598 00 Rotary Sw COMP 336 2007 00 S2 Rotary Sw TAPE 336 3010 10 S1 Variable Resistor VR1 BAL 575 2312 10 Rotary Switch S1 339 0002 00 Input Selector Assembly Ass y...

Страница 6: ...aterial Description PC Board for IO Relay Assembly Connector Board Ass y Volume Assembly Tone Volume Assembly Tape Switch Assembly Switch Assembly Power Amp Assembly Protection Assembly Logic Assembly...

Страница 7: ...K1 307 0317 00 K5 Connector Plug 308 0324 00 K2 308 0207 00 K3 308 0530 00 K4 Diode 1SR139 400 D1 2 Zener Diode RD3 0EB1 D3 4 Transistor 2SC2785 EL FL Q1 3 2SA1175 EL FL Q2 4 IC Protector 310 8251 00...

Страница 8: ...h 336 4010 10 S1 Variable Resistor 575 2405 10 VR1 2 VR1 K1 K2 K3 S1 Tape Switch Assembly 716 0598 00 Ass y K1 C1 VR2 C2 VR1 S1 S2 K3 K4 K2 Switch Assembly 716 0599 00 Ass y Connector Plug K1 308 0206...

Страница 9: ...Assembly 716 0603 00 Ass y S1 TS1 K1 K1 FH2 Connector Plug 308 0412 00 K1 FH1 R1 IC1 PL2 PL1 PL3 K1 Infrared Ray Senser NJL62H380A IC1 Electorlytic Capacitor CE04W0J470MA 47uF 6 3V Carbon Film Resist...

Страница 10: ...00 K3 308 0708 00 K4 308 0906 00 K5 308 0407 00 K6 10 11 308 0606 00 K7 308 0508 00 K8 308 0214 00 K9 IC Protector 310 8251 00 F1 2 5A IC 426 0038 20 IC9 Crystal 527 0012 00 XTAL1 UPC4570HA IC1 2 NJM...

Страница 11: ...1CA 100uF 16V C8 11 CE04W2A471VR 470uF 100V C17 18 CE04W2C100RE3 10uF 160V Polypropylene Capacitor C12 13 CQ922N2A682JAPS 6 800pF 100V C14 CQ922N2A223JAPSF 0 022uF 100V C19 20 CQ922N2A102JAPS 1 000pF...

Страница 12: ...than DC 0 3V DC0 3V Bias Current of R ch Power Amp R ch Power Amp Ass y Ass y 717 0071 00 Test Point pin VR1 forL ch VR1 for R ch Adjust for 4mV reading of V O meter 4mV 1 2 ADJUST REMARKS Peak 0dB Ca...

Страница 13: ...L AC250V 310 1502 00 T5A L AC250V 310 1204 00 T2 5A L AC250V 310 1204 00 T2 5A L AC250V 680 1204 00 680 2401 00 680 3402 00 680 3402 00 7 8 3 4 5 6 RED GRY YEL BRN WHT VIO BLK BLK ORG RED BLK RED GRN...

Страница 14: ...Bag for AC cord 812 2030 04 Battery R6 UM3 3 569 0004 00 Poly Bag for Battery 812 0812 00 Poly Bag for Owner s Manual 812 2435 04 Side Pad L L 803 0264 00 Side Pad R R 803 0265 00 Top Board 803 0033...

Страница 15: ...BRN RED YEL ORG RED ORG WHT WHT ORG RED ORG RED 1 2 3 5 4 VIO VIO VIO VIO BRN BRN 6 BRN BLK BLK T2 5AL250Vat220 240V T5A L 250V at 100 120V AC100Vonly Fuse E 212 MASTER CIRCUIT DIAGRAM 1 to Logic Ass...

Страница 16: ...E C14 100F C15 100F R21 123G R23 243G R24 243G TAPE toTAPESWAss yK1 pin1 4 toLOGICAss yK5 toCONNECTORAss yK4 1 2 3 4 K2 308 0407 00 3 4 2 1 5 IC1A UPC4570HA 7 6 8 9 IC1B UPC4570HA 1 2 3 4 5 6 7 8 9 K3...

Страница 17: ...out L ch GND from TONE out R ch from LINE out L ch from LINE out R ch 1 2 K1 308 0206 00 6 5 4 12 11 10 3 2 1 9 8 7 S1 354 1412 00 3 2 1 6 5 4 S2 354 1218 00 1 2 3 4 K3 308 0412 00 1 2 3 4 5 K2 308 0...

Страница 18: ...0V GND 52 1V 55V 57V 1 55V 1 47V 56 1V 53 7V 53 7V 54mA 54mA 42mA 42mA 56 1V D4 MA165 D5 MA165 D8 1SS81 D9 1SS81 D1 HZ153L C10 471 2A C8 471 2A C18 100 2C C17 100 2C D11 S5277G 1 2 3 K1 D10 S5277G 1 2...

Страница 19: ...AC 0V AC 11V R50 105 VCC 9 8 IC4D TC74VHC14F LINE 2 TUNER CD LINE 1 S T REC_OFF T1 T2 AC Common AC 10V toMeterAss yK1L ch R41 100 D2 1SR139 400 SW 6CH 13V Status 0000 1111 1101 L1 LB CD TU OP1 RCON V...

Страница 20: ...N ratio at rated input S N ratio EIA HIGH LEVEL 110dB 81dB BALANCED 98dB 81dB Logarithmic compression peak reading meters with a dB scale calibrated for an 8 ohm load 4 16 ohms Suitable impedance 8 10...

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