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A-607R

24

7.2 BLOCK DIAGRAM

+BL

SP-A

SP-B

H.P

POWER AMP

WRLC

40dB

FUNC

MUTE

DIRECT

ON/OFF

RIAA

37dB

TONE

AND

BALANCE

DIRECT ENERGY MOS

PHONO

REC

TUNER

LINE

CD

TAPE1

/DAT

CD, TAPE1/DAT : RY101, RY102

REC

TAPE2

MONITOR

PROTECTION RY

FUNCTION

SOURSE

2.8mV

/50k

Ω

200mV

/50k

Ω

200mV

/1k

Ω

200mV

/50k

Ω

200mV

/1k

Ω

CN101

CN102

UNUSUAL

OUTPUT

DETECTION

–BL

+BH

+19.2

–15

TO POWER STAGE

TO FUNCTION SW

DIRECT, LOUDNESS ON/OFF

VOLUME UP/DOWN

MUTE, FUNC MUTE ON/OFF

TO PROTECTION RY

SR INPUT

FROM FUNCTION SEL

KEY INPUTS

µ

-COM

FROM UNUSUAL

OUTPUT DETECTION

TO VOLTAGE STAGE

TO

µ

-COM

TO OP AMP

RY

LED

+5.6

–BH

FROM REC SEL

A

IC101(1/2)

A

IC101(2/2)

A

IC601

D

Q507

C

Q509

C

Q303

RY401

RY402

RY403

A

D451

A

401

A

JA501

F

S901

G

RY801

E

FU1

T1

T801

E

D457-D460

IC811

IC451

IC452

A

D811-D814

E

E

A

A

IC751

VR751

VR752

B

VR601

D

Q505

C

IC151

A

ON/OFF

LOUDNESS

VOLUME

UP/DOWN

M

Q501

Q503

C

IC251

A

VR501

C

A

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Summary of Contents for A-607R

Page 1: ...CONNECTION DIAGRAM 14 5 PCB PARTS LIST 19 6 ADJUSTMENT 22 CONTENTS 7 GENERAL INFORMATION 23 7 1 IC INFORMATION 23 7 2 BLOCK DIAGRAM 24 8 PANEL FACILITIES AND SPECIFICATIONS 25 THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL S AND TYPE S Type Model A 607R MV MY EW MY GR SD AC220 230V AC220 230V AC220 230V AC110V 120 127V 220 240V Power Requirement The voltage can be converted by the following meth...

Page 2: ...vident from visual inspection nor the protection afforded by them necessarily can be obtained by using replacement components rated for voltage wattage etc Replacement parts which have these special safety characteristics are identified in this Service Manual Electrical components having such features are identified by marking with a on the schematics and on the parts list in this Service Manual T...

Page 3: ...he following k r a M o N n o i t p i r c s e D d n a l o b m y S o N t r a P s k r a m e R e p y T V M e p y T W E Y M e p y T R G Y M e p y T D S P S N P S N 1 2 3 4 1 1 4 1 5 1 6 1 7 1 8 1 9 1 h s i l g n E s n o i t c u r t s n I g n i t a r e p O n a m r e G s n o i t c u r t s n I g n i t a r e p O s n o i t c u r t s n I g n i t a r e p O e s e u g u t r o P h s i n a p S h s i d e w S h c t...

Page 4: ...1 13 20 42 42 42 40 42 7 15 45 4 8 15 15 15 45 45 45 15 15 45 26 15 16 19 6 42 43 9 39 39 39 42 42 42 39 44 56 36 3 44 44 1 33 16 16 57 50 58 58 43 55 14 14 52 26 53 60 52 26 26 24 64 26 24 65 59 59 11 17 45 17 54 54 54 17 51 SD Type Only SD Type Only Except MV Type Except MV Type Except SD Type 62 42 63 2 2 EXTERIOR ...

Page 5: ... 60 Sub Frame ANG7137 61 Trans Plate See Contrast table 2 62 Voltage Selector S1 See Contrast table 2 63 Voltage Selector S2 See Contrast table 2 64 Fuse FU2 T2A See Contrast table 2 65 Fuse FU3 T0 5A See Contrast table 2 2 CONTRAST TABLE A 607R MV MY EW MY GR and SD types are constructed the same except for the following k r a M o N n o i t p i r c s e D d n a l o b m y S o N t r a P s k r a m e ...

Page 6: ...A 607R 6 A B C D 1 2 3 4 1 2 3 4 A AF ASSY D FRONT R ASSY F HEADPHONE ASSY C VOLUME ASSY AWX7052 AWX7200 AWX7146 AWX7171 3 SCHEMATIC DIAGRAM 3 1 OVERALL CONNECTION DIAGRAM ...

Page 7: ... E AC PRIMARY ASSY AWX7054 AWX7057 MY EW MY GR AWX7197 MV AWX7056 SD AWX7198 G POWER SW ASSY EXCEPT SD TYPE SD ONLY MY EW MY GR ONLY AC PRIMARY ASSY Note When ordering service parts be sure to refer to EXPLODED VIEWS and PARTS LIST or PCB PARTS LIST ...

Page 8: ...A 607R 8 A B C D 1 2 3 4 1 2 3 4 C CN501 AUDIO SIGNAL ROUTE 3 2 AF ASSY A ...

Page 9: ...A 607R 9 A B C D 5 6 7 8 5 6 7 8 A AF ASSY D CN601 E CN803 F J5 TO POWER TRANSFORMER T1 AWX7200 L406 ATX1012 A ...

Page 10: ...A 607R 10 A B C D 1 2 3 4 1 2 3 4 B FRONT L ASSY D J4 FRONT L ASSY S 701 POWER STANDBY ON S 702 LOUDNESS S 703 SPEAKERS A S 704 SPEAKERS B AWX7054 3 3 FRONT L AND VOLUME ASSEMBLIES B ...

Page 11: ...A 607R 11 A B C D 5 6 7 8 5 6 7 8 AUDIO SIGNAL ROUTE C VOLUME ASSY A CN203 AWX7171 C ...

Page 12: ...GS ONLY CAUTION 1 50 YA NP MY EW MY GR AWX7197 MV AWX7056 SD AWX7198 TO VOLTAGE SELECTOR SD ONLY RY801 ASR1036 SD FU1 T2A L 250V AEK1057 FU2 SD ONLY T2A L 250V AEK1057 FU3 EXCEPT MV T0 5A L 250V AEK1051 SD ONLY AKC 081 SWITCHED UNSWITCHED TO AC OUTLET EXCEPT MV EXCEPT SD 240V 120V N AC POWER CORD 47 10 D FRONT R ASSY AWX7146 3 4 FRONT R AC PRIMARY HEADPHONE AND POWER SW ASSEMBLIES D E ...

Page 13: ...8 5 6 7 8 F HEADPHONE ASSY AWX7052 A CN401 G POWER SW ASSY AWX7057 EXCEPT SD TYPE A CN202 B CN701 FRONT R ASSY S 601 INPUT SELECTOR S 603 TAPE2 MONITOR S 604 DIRECT S 606 REC SELECTOR TC74HC107AP TC74HC00AP S 605 MUTING G F D ...

Page 14: ...ssary parts for several destination For further information for respective destinations be sure to check with the schematic diagram 4 Viewpoint of PCB diagrams Symbol in PCB Diagrams Symbol in Schematic Diagrams Part Name Transistor Transistor with resistor Field effect transistor MOS Field effect transistor Resistor array 3 terminal regulator B C E B C E B C E D D 2 1 3 G G G S S S B C E B C E B ...

Page 15: ...7 8 5 6 7 8 A CN601 D Q401 Q406 Q413 Q414 Q451 Q452 Q409 Q411 Q323 Q319 Q322 Q412 Q410 Q407 Q408 Q324 IC451 IC151 IC452 IC101 Q313 VR301 VR302 Q318 Q301 Q304 Q251 Q309 Q312 Q325 Q334 IC301 IC251 ANP7227 A Q101 Q104 Q151 Q153 ...

Page 16: ...C FRONT L ASSY B VOLUME ASSY ANP7227 A ANP7227 A Q705 VR751 VR752 Q704 Q701 Q702 Q707 Q706 Q703 IC751 Q751 Q502 Q501 Q503 Q507 Q509 Q505 Q510 Q511 Q506 Q504 Q508 Q513 Q512 Q514 Q752 C CN203 A J4 D 4 2 FRONT L AND VOLUME ASSEMBLIES SIDE A ...

Page 17: ...7 A B C D 1 2 3 4 1 2 3 4 D 4 3 FRONT R ASSY FRONT R ASSY D CN202 A CN701 ANP7228 A B J4 Q616 Q606 Q610 Q617 IC603 Q608 Q609 Q605 Q604 IC601 Q603 Q602 Q601 Q612 Q613 Q614 Q611 Q615 Q607 VR601 IC602 Q618 SIDE A ...

Page 18: ...E AND POWER SW ASSEMBLIES J2 ANP7228 A ANP7228 A ANP7228 A A AC POWER CORD AC OUTLET EXCEPT MV VOLTAGE SELECTOR SD ONLY EXCEPT SD CN401 A AC PRIMARY ASSY E HEADPHONE ASSY F POWER SW ASSY G Q811 IC811 POWER TRANSFORMER T1 LIVE NEUTRAL VOLTAGE SELECTOR SD ONLY SIDE A ...

Page 19: ...recision metal film resistors 5 62k Ω 562 101 5621 RN1 4PC 5 6 2 1 F k r a M n o i t p i r c s e D d n a l o b m y S o N t r a P s k r a m e R e p y T V M e p y T W E Y M e p y T R G Y M e p y T D S P S N P S N P S N Y S S A X E L P M O C F A Y S S A F A Y S S A L T N O R F Y S S A E M U L O V Y S S A L O R T N O C Y S S A R T N O R F Y S S A Y R A M I R P C A Y S S A E N O H P D A E H Y S S A W S...

Page 20: ... CN502 CONNECTOR 7P KPE7 C B C103 C104 CCCSL470K2H C167 C168 CEANP1R0M50 C408 CEANP470M10 C155 C156 C465 C466 CEAS100M50 C169 C170 CEAS101M25 C467 C468 CEAS2R2M2A C251 CEAS470M25 C157 C158 CEAS471M6R3 C305 C306 C455 C456 C463 CEBA100M50 C405 C407 CEBA2R2M50 C317 C318 CEBA470M50 C325 C326 CEBAR47M50 C459 C460 CEZA102M50 C319 C320 CEZA470M50 C115 C116 C201 C321 C324 CFTYA224J50 C161 C162 C469 C470 C...

Page 21: ...4S 21F J4 JUMPER WIRE D15A15 125 2651 X601 CERAMIC RESONATOR VSS1014 4 19MHz AC PRIMARY ASSY 1 CONTRAST TABLE AWX7056 AWX7197 and AWX7198 are constructed the same except for the following Mark Symbol and Description Part No Remarks AWX7056 AWX7197 AWX7198 H3 H4 FUSE HOLDER Not used Not used RKR1003 H5 H6 FUSE HOLDER Not used RKR1003 RKR1003 RY801 RSR1037 RSR1037 ASR1036 2 PARTS LIST FOR AWX7056 SE...

Page 22: ...center and BALANCE CONTROL to center Set VR301 and VR302 to minimum 3 Set the POWER switch to ON 4 Adjust VR301 VR302 so that the voltage between both sides of R415 R416 becomes 16mV 1mV Within 10 seconds from when the relay is turned ON 5 Ages for 7 minutes 6 Adjust VR301 VR302 so that the voltage between both sides of R415 R416 becomes 11mV 1mV VR301 VR302 R413 R414 R415 R416 Heat Sink CN204 AF ...

Page 23: ...input 2 interrupt specification 30 P40 O Volume DOWN data output 31 P41 O Volume UP data output 32 P42 I FUNCTION selector input 1 33 P43 I FUNCTION selector input 2 34 P00 I WAKE UP input Key on wake up specification 35 P01 I MUTE KEY input Key on wake up specification 36 P02 I DIRECT KEY input Key on wake up specification 37 P03 O Protection control pin 38 P04 I Output error detection pin 39 P05...

Page 24: ...L BH 19 2 15 TO POWER STAGE TO FUNCTION SW DIRECT LOUDNESS ON OFF VOLUME UP DOWN MUTE FUNC MUTE ON OFF TO PROTECTION RY SR INPUT FROM FUNCTION SEL KEY INPUTS µ COM FROM UNUSUAL OUTPUT DETECTION TO VOLTAGE STAGE TO µ COM TO OP AMP RY LED 5 6 BH FROM REC SEL A IC101 1 2 A IC101 2 2 A IC601 D Q507 C Q509 C Q303 RY401 RY402 RY403 A D451 A 401 A JA501 F S901 G RY801 E FU1 T1 T801 E D457 D460 IC811 IC45...

Page 25: ...s bearing the Î mark with the amplifier s remote con trol unit SPEAKERS A terminals Left channel SPEAKERS A terminals Right channel AC OUTLETS European model only 1 PHONO terminals 2 SIGNAL GND Turntable ground terminal 3 TUNER terminals 4 CD terminals 5 LINE terminals 6 TAPE 1 MD REC OUT terminals 7 TAPE 1 MD PLAY IN terminals 8 TAPE 2 MONITOR REC OUT terminals 9 TAPE 2 MONITOR PLAY IN terminals ...

Page 26: ...e or counterclockwise so that the indica tor lights for your desired input source Turning the knob clock wise causes the lit indicator to right Turning counterclockwise causes it to left CD For compact disc playback with a CD player TUNER For AM or FM broadcast reception with a tuner PHONO For record playback with a turntable LINE Set to this position when listening to a program from a component c...

Page 27: ...hout passing through the various frequency adjusting circuits This results in flat pure sound which is a more faithful reproduction of the input source Off The indicator goes out The signal passes through the various frequency adjusting circuits LOUDNESS button indicator Use when listening at low volume level On The indicator lights Boosts low and high frequencies to give added punch to playback e...

Page 28: ...ECT button Selects the cassette No 1 to 6 for a multi cassette changer 4 DECK II button To operate Deck II press this button before pressing the oper ating buttons Also when using a single deck press this button before pressing the operating buttons 5 DECK I button To operate Deck I press this button before pressing the operat ing buttons 6 DISC SELECT button Press this to select discs on a multi ...

Page 29: ...ut 200 mV 1 kΩ Frequency response PHONO MM 20 Hz to 20 kHz 0 5 dB CD TUNER LINE TAPE 1 MD TAPE 2 MONITOR 5 Hz to 150 kHz 0 3dB Tone control BASS 8 dB 100 Hz TREBLE 8 dB 10 kHz Loudness contour volume control set at 30 dB position 5 dB 100 Hz 3 dB 10 kHz Signal to Noise ratio IHF short circuit A network PHONO MM 5 mV input 88 dB CD TUNER LINE TAPE 1 MD TAPE 2 MONITOR 108 dB Signal to Noise ratio DI...

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