Text preview for : Accuphase-A60-pwr-sm.pdf part of ACCUPHASE A-60 Power Amplifier A-60 Schematic Diagram



Back to : Accuphase-A60-pwr-sm.pdf | Home

Bi-lingual

Authorized Technical Service Only


CAUTION /
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 in the operating instructions unless you are qualified to do so. Refer all servicing to qualified service personnel.


Attention mark indicating critical components for safety. Replacement must be made with identical parts of special part number.

www.hifiengine.com

EXPLANATION OF SURFACE PARTS
Decoration Screw /4pcs. (630-0306-04) Washer /4pcs. (637-9050-04) Nut / (633-2032-02) LED (L)Assembly LED Ass'y (723-0098-00) Front Glass (172-0128-03) LED (R) Assembly LED Ass'y (723-0099-00) Heat Sink (240-0072-10) Hexa Hole Screw M5×12:12pcs. (631-0011-10) Handle B B (132-0105-03) Spacer (250-1154-14) Hexa Hole screw M4×148pcs. (631-0023-00)

Push-button for HOLD TIME (388-0601-04)

Push-button for POWER (388-5061-13) Power Push Switch (354-1023-00)

Knob for GAIN (380-1501-04)

Handle A A (132-0118-03)

Heat Sink (240-0072-10)

Handle A A (132-0118-03)

Top Plate /Screws (631-0048-00) (150-0078-02) Punching Metal (170-0069-02)

Front Panel Assembly Ass'y (130-0176-01)

Handle B B (132-0105-03) Spacer (250-1154-14) Hexa Hole screw M4×148pcs. (631-0023-00)

Sub Panel (134-0144-03)

Knob for METER (380-1501-04)

Foot (238-0023-00)

Bottom Plate (155-0081-02)

Push-button for INPUT (388-0601-04)

mark parts not supplied



www.hifiengine.com

7

8

6

1

3

3



2

5
1.

4

5
1pce. 1pce. 2pcs. 1pce. 1pce. 1pce. 1pce. 1pce. 2pcs.

Knob/ METER,GAIN (380-1501-04)

Front Panel Assembly Ass'y (130-0176-01)

Front Panel=131-0176-01 2. Sub-panel=134-0144-03 3. Handle=132-0118-03 A 4. Push-button=388-5061-13 /POWER 4-1. Push-button Frame=113-0122-04 4-2. Coil Spring=285-1022-04 4-3. Washer=637-0043-04 4-4. E-ring=647-1055-00 E- 5. Push-button=388-0601-04 /HOLD TIME/INPUT

5-1. Retainer=283-1029-04 5-2. Coil Spring=285-1044-04 5-3. E-ring=647-1057-00 E- 6. Front Glass=172-0128-03 7. Decoration Screw=630-0306-04 7-1 Washer=637-9050-04 7-2 Nut=633-2032-02 8. Panel Name Plate=180-1101-03

2pcs. 2pcs. 2pcs. 1pce. 4pcs. 4pcs. 4pcs. 1pce.

SP Terminal(Black) () (313-1022-02) *Cap/ (254-2025-00) Rear Panel (135-0165-02)

SP Terminal(Red) () (313-1023-02) *Cap/ (254-2025-00)

Cap /
A cap is only used for SP terminal of European Model.

Knobfor MODE (384-2001-04) Pin Jack/ (302-0115-00) Pin Jack Cover /2pcs. (254-2015-04)

Foot / (238-0020-22) Binding Serew /4×14 (611-0414-02) 6pcs.

Circut Breakr/ J,U type (311-0104-00)10A E type (311-0053-00) 5A

AC Inlet/AC (301-3304-00) Power Supply Cord J type:680-1404-00 U type:680-2402-00 E type:680-3402-00

Foot/ XLR (Cannon) Jack Receptacle (238-0023-00) Binding Serew (302-8011-00) /4×14 Connector Cover/Female (611-0414-02) /2pcs. mark parts not supplied (254-2012-00)

www.hifiengine.com

Protection Assembly Ass'y (720-0070-00)

Heat Sink (240-0072-10) Power Amp Assembly Ass'y (717-0081-00)

Heat Sink (240-0072-10) Power Transformer (510-2056-20) Name Plate (180-3057-04) Power Amp Assembly Ass'y (717-0081-00)

Electrolytic Capacitor C003,004:82,000F/63V (CE331WG1J823GAQ)

Logic Assembly Ass'y (721-0077-00)

Lamp Assembly Ass'y (723-0100-00)

Input Assembly Ass'y (716-0688-00)

Circut Breakr/ 10A/J,U type(311-0104-00) 5A /E type(311-0053-00)

Inrush Protector Assembly Ass'y D,Utype(716-0685-01) E,type (716-0685-03)

Diode(A)Ass'y (716-0686-00) Diode (S25VB60) Relay:RELAY001 (362-4101-00)

Diode(B) Ass'y (716-0687-00 Diode (S25VB60)

Metallized Film Capacitor MP/C001:0.047uF/250V (CF99MF2E473MR46)

Power Push Switch (354-1023-00) Attention mark indicating critical components for safety. Replacement must be made with identical parts of special part number.




www.hifiengine.com

Light Insulator Panel Name Plate
(180-1101-03) Indicator (173-9076-03) Rotary Switch /S1 (336-5010-00) Foot (238-0023-00) Binding Serew/ /4×14 (611-0414-02) Rotary Switch /S4 (336-4010-10) Power Push Switch (354-1023-00) Rink (251-9021-04) Pilot Lamp (176-4501-10) Lamp Assembly Ass'y (723-0100-00) Filter (179-0036-04) Filter Fixed Frame (113-0129-02) (234-1105-04)

DisplayAssembly Ass'y (723-0097-00)

LED (L) Assembly 723-0098-00

LED (R) Assembly 723-0099-00

Front Glass (172-0128-03) Hexa Hole bolt /4pcs. (631-0011-10)

Push Button for POWER (388-5061-13) Push-button Frame (113-0122-04) Coil Spring (285-1022-04) Washer (637-0043-04) E-ring (647-1055-00) Attention mark indicating critical components for safety. Replacement must be made with identical parts of special part number.


Push Button for HOLD TIME/INPUT (388-0601-04) Coil Spring (285-1044-04) E-ring (647-1057-00) Retainer (283-1029-04)

mark parts not supplied



www.hifiengine.com

MISCELLANEOUS(
NO Description() PC Board for Inrush Proterction Ass'y Input Assembly Power Amp Assembly Protection Assembly Logic Assembly Display Assembly PL14 Pilot Lamp Relay/ Output Relay/ Relay / Circut Breakr T10A T5A Parts No.(No.) Remarks( ) 115-1538-00 115-1542-00 115-1543-10 115-1539-00 115-1535-10 115-1534-00 176-4501-10 Lamp Ass'y Handle A/ A Hexa hole Bolt/ 631-0011-10 Handle B / Hexa hole Bolt/ 631-0023-00 Top Plate / Star-hole Bolt Bottom Plate / Binding Neil Screw Foot for Binding Foot for Binding M5×12 M4×14 4pcs. 16pcs. NO. Description( ) Parts No.( No.) Remarks( ) 4×12mm M5×12 6pcs. 4pcs. Screws for Front Panel / Flat Head / 613-0412-01 Handle / Hexa Hole bolt/ 631-0011-10 Power Amp Assembly Ass'y Hexa Hole bolt/ 631-0011-10

M5×12mm

12pcs.

RELAY001 RELAY1,2 RELAY35 F1

362-4101-00 362-2230-00 362-0202-00 311-0104-00 311-0053-00 CE331WG1J823GAQ

for Inrush Protection Assy Protection Assy for 100-120V for 220-240V 82,000uF/63V

631-0048-00

M5×15

7pcs.

C003,4

Electrolytic Capacitor Metallized Film Capacitor MP Outer Carton Top Box Inner Sub-Carton Outer Carton Bottom Box Front Top Pad / Rear Top Pad / Center Pad / Front Bottom Pad/ Rear Bottom Pad / Sub Pad / Joint / Cover Accessories Case Wrapping Sheet/ Bag for AC Cord Poly Bag Cord Band

631-0054-00

3×10mm

13pcs.

C001

CF99MF2E473MR46

0.047uF/250V Bottom side / Screw/ 611-0414-02 Rear side/ Screw/ 611-0414-02 4×14mm 4×14mm 4pcs. 6pcs.

Packing Material

800-0255-04 801-0248-00 801-0249-00

See the pate of Packing

Power Transformer/ Binding Screw/ 600-0614-02 Spring Washer/ 638-0061-02 Front() Rear () Front() Rear ()
Accessories

4×14mm

4pcs. 4pcs.

803-0319-10 803-0320-00 803-0323-00 803-0321-10 803-0322-10 803-0360-00 249-0012-00 810-4867-04

Front Glass / Decoration Bolt / Nylon Washer / Nut / Owner's Manual ( ) ( ) Caution Notes ( ) EC /

630-0306-04 637-9050-04 633-2032-02 820-2222-00 820-0222-00 821-0011-00 821-0010-00 827-1073-10 180-9230-00 859-1011-00 680-1404-00 680-2402-00 680-3402-00 254-2015-04 254-2012-00

4pcs. 4pcs. 4pcs. English Japanese Mili-Lingual Japanese E type (D only) (D only) 2-conductor 2-conductor 3-conductor 2pcs. 2pcs.

6pcs.

801-0247-20

810-4545-04 810-2030-04 812-2435-04

AC

Power Supply Cord (J type) (U type) (E type) Pin Jack Cover /

280-0043-00

for AC Cord

Connector Cover for female ()





www.hifiengine.com

ln-rush Protector Assembly (716-0685-01) for D / U Model (716-0685-03) for E type Model
R7 J1 R2 D1

C1 R8 R6 J2 R5 J3 R4 R3 R1 K1

Connector Purg Diode Elector lytic Capcitor Fuse Resistor Metal Plate Resistor

K1 D1 C1 R1,8 R2 7

308-0511-00 S1ZB20 CE04W1V101VK RF993HG2R2J RW993HJ2R2K-H75 100uF/35V 2.2 5W 2.2 1W

VOLTAGE Ass'y NO J1 100-120V 716-0685-01 220-240V 716-0685-03

J2

J3

Diode(A) Assembly (716-0686-00) (A) Ass'y
R1

Oxide Metal Film Resistor Diode

R1 D1

RS143DA100JS S25VB60

10 2W

D1

Diode(B) Assembly (716-0687-00) (B) Ass'y
K1

R1 R2

C1 C3

Connector Purg Metallized Film Capcitor MP Carbon Film Resistor

K1 C1,2 C3 R1,2 D1

308-0408-00 CF99MF2E103MR46 0.01uF/250V CF99MF2E104MR46 0.1uF/ 250V RD142HA183JFS S25VB60 18k 1/4W

D1

Diode

C2



www.hifiengine.com

Input Assembly (716-0688-00) Ass'y
S1 RELAY6 JK1 JK2 JK3 RELAY2 JK4

Connector Plug

K1 K2 K3 K4 K5 S1 RELAY17 D14 C1,2,3 R16 R710 R1516 R11,12 R13,14 R1922

308-0418-00 308-0434-00 308-0609-00 308-0209-00 314-3011-00 336-3903-00 362-0202-00 MA165 CQ922M1H152J-B 1,500pF/50V RD142CA274J 270k RD142EA101JFS 100 RD142EA303JFS 30k 1/6W 1/4W 1/4W

Connector plug Terminal

RELAY7 RELAY5 K4 RELAY4 K2 K1 RELAY1

Rotary Switch Relay Diode

RELAY3 K3
XLR(Canon) Jack Receptacle Pin Jack

Polyester Film Capacitor Carbon Film Resistor ] Metal Film Resistor

JK1,2 JK3,4

302-8011-00 302-0115-00

RN142EK1582F 15.8k 1/4W RN142EK5902F 59k 1/4W RN142EK4120F 410 1/4W

Protection Assembly (720-0070-00) Ass'y
Q1

IC3 K12 RELAY4 IC6 K9 IC4

RELAY1 RELAY3 IC1

RELAY2 RELAY5 IC2

X1

K11 IC5 K10

K13

Connector Plug

K9 K10 K11 K12 K13 K1,2,3,4

308-0407-00 308-0805-00 308-0314-00 308-0206-00 308-0304-00 314-0523-04

Polypropylen Capacitor Cermic Capacitro Electorlytic Capacitor

C1,2 C5,6

CQ922N2A223JAPHF 0.022uF/100V CC92CH2H101J 100pF/500V 47uF / 22uF / 470uF/ 22uF / 4.7uF/ 63V 25V 35V 50V 50V

Teminal Relay Choke Coil Transistor Digital Transistor IC

RELAY1,2 RELAY3,4,5 L1,2 Q1 X1 IC1,2 IC3 IC4 IC5 IC6 D1,2.59 D3 D4

362-2230-00 362-0202-00 506-0009-00 2SA1049-BL RN1202 UPC4570HA NJM78M15FA NJM79M15FA PC817-B/C UPC1237HA MA165 MA167 S1ZB20 Carbon Film Resistor

C3,4 CE04W1J470VK C7,8,1316 CE04W1E220VRE C9,10 CE04W1V471VRE C11 CE04W1H220VK C12 CE04W1H4R7VK R11,12,25,26 R13,14 R15 R16 R27 R28 R29 R30 R5g,5s,6g,6s RD142EA220JFS RD142CA224J RD142CA102J RD142CA154J RD142EA822J RD142EA153J RD142EA221J RD142EA753J 592-0002-00

22 1/4W 22k 1/6W 1k 1/6W 150k1/6W 8.8k1/4W 15k 1/4W 220 1/4W 75k 1/4W

Metal Film Resistor R7,8 R9,10 R1720 R2124 R1,2 R3,4 R31 RN142EK5622F RN142EK1211F RN142CK1000F RN142CK4531F RS143DA100JS-P RS143FA100JS-P RS143AA332JS-P 3.3 5W 1.21k 1/4W 100 1/4W 4.53k 1/4W 10 10 3.3k 2W 3W 1W

Diode

Oxide Metal Film Resistor



www.hifiengine.com

Power Amp Assembly (717-0081-00) Ass'y

RELAY4 RELAY1 Q19a Q19b Q19c Q19d Q19e Q17 Q13 Q15 Q19f Q19g Q19h Q19i Q19j R59g R59h R59i R59a R59b R59c R59d R59e Q11 Q5 R59f

C13 K3 TH2 K1 K4 C14
Connector Jack Assembly Ass'y (309-2662-04) IC1 IC2

TP1

R59j VR2 Q21 K2 Q23 Q22 TH1 R60i

TP2

Q12 Q6 R60f R60g R60h VR1 R60j R60a R60b R60c R60d R60e Q20a Q20b Q20c Q20d Q20e Q18 Q14 Q16 Q20f Q20g Q20h Q20i Q20j RELAY3 RELAY2

Connector Plug

K1 K2 K3 K4 TP1,2 (Test Point) VR1,2 RELAY1,2,3,4 IC1,2 TH1 TH2 D1,2,3,24 D5,6,11,12 D15,16 D17,18 D19 D7,8,20,21 D9,10,13,14 D22,23 Q1a,1b,1c,4a,4b,4c Q2a,2b,2c,3a,3b,3c Q5 Q6 Q7,9,11 Q8,10,12 Q13 Q14,23 Q21 Q22 Q15,17 Q16,18 Q19a,19b,19c,19d,19e,19f 19g,19h,19i,19j Q20a,20b,20c,20d,20e,20f 20g,20h,20i,20j C1,2 C5,6 C9,10 C11 C13,14 C15,16 C19,20 C25,26 C27 34 CE04W1H220KZEE CE04W1H102LXZE CE04W1H100VPE CE04W1H010CA CE04W2D101RE3E CE04W2A221AVFE CE04W2A680LXVE CE04W2D220PBE CE04W2A471VRE

308-0419-00 308-0212-00 308-0206-00 308-0508-00 308-0221-00 583-0226-00 362-0202-00 NJM4580D-D 369-0026-00 369-0033-00 MA165 MA167 1SR139-400 1SS83 LN1VB60 HZ153L HZ6A1L HZ9A2L 2SA1376A-K 2SC3478A-K 2SC3902-S/T 2SA1507-S/T 2SA1145-Y 2SC2705-Y 2SA1837 2SC4793 2SC2710-O/Y 2SA1150-O/Y 2SK2013-Y 2SJ313-Y 2SK3497 2SJ618 20uF / 50V 1000uF /50V 10uF / 50V 1uF / 50V 100uF /200V 200uF /100V 68uF / 100V 22uF / 200V 470uF /100V

Polyester Capacitor Polypropylen Capacitor Ceramic Capacitor

C7,8 C12,35 C23,24 C3,4 C17,18 C21,22,37,38

CF922MF2E472KDAZ CF922MF2E223KDAZ CF922MF2E104KDAZ

4,700pF/250V 0.022uF/250V 0.1uF / 250V

CQ922PG2J101KDAMGF 100pF/100V CQ922N2A562JAPSF 5,600pF/100V CC92CH2H681J RD142EA471JFS RD142EA105JFS RD142EA753JFS RD142EA243JFS RD142EA562JFS RD142EA220JFS RD142EA101JFS RD142EA102JFS RD142EA203JFS RD142EA152JFS RD142EA161JFS RD142HA563JFS RD142EA331JFS RD142EA332JFS 6,800pF/500V 470k 1M 75k 24k 5.6k 22 100 1k 2k 1.5k 160 56k 330 1/4W 1/4W 1/4W 1/4W 1/4W 1/4W 1/4W 1/4W 1/4W 1/4W 1/4W 1/4W 1/4W

Potentiometer Relay IC Thermal Switch Diode

Zener Diode Tarnsistor

Carbon Film Resistor R1,2,35,36 R3,4 R5,6,41,46 R7a,7b,7c,8a,8b,8c R9a,9b,9c,10a,10b,10c 25,26 R11a,11b,11c,12a,12b,12c 51a,51b,51c,52a,52b,52c R13a,13b,13c,15a,15b,15c 27,28,31,32,33,34 R19,20,21,22,71 R37 R38 R39 R40 R57a,b,c,d,e,f,g,h,i,j 58a,b,c,d,e,f,g,h,i,j R61a,b,c,d,e,f,g,h,i, 62a,b,c,d,e,f,g,h,i, 63,64 Fuse Resistor R23,24 R55,56,66,67

3.3k 1/4W

RF142AAR680J-L 68 RF142EAR10J 1

1/2W 1/4W

FET

Metal Film Resistorr R14a,14b,14c R16a,16b,16c R17,18 R42a,42b R43a,43b R44 R45 R47a,47b,47c R53 Oxide Metal Film R29,30 Resistor R48 R49,50 R54 R65 R69,70 Metal Plate Resistor R59a,b,c,d,e,f,g,h,i,j 60a,b,c,d,e,f,g,h,i,j Transistor Insulator/

RN142EK6980F 698 1/4W RN142EK1000F 100 1/4W RN142EK1211F 1.22k1/4W RN142HK1581FF 1.58k1/2W RN142HK5361FF 5.36k1/2W RN142HK1651FF 1.65k1/2W RN142HK5111FF 5.11k1/2W RN142EK3480F 348 1/4W RN142HK1131FF 1.13k1/2W RS143DA470JS-P RS143AA120JS-P RS143FA102JS-P RS143DA680JS-P RS143FA200JS-P RS143FA682JS-P RW993DJR22K-H 250-1234-04 47 12 1k 68 20 6.8k 0.22 2W 1W 3W 2W 3W 3W 2W

Electorlytic Capacitor



www.hifiengine.com

Logic Assembly ( 721-0077-00) Ass'y
R1 K2 IC5 IC3 K4 IC8 K6

XTAL1 IC2 XTAL2 IC9 IC7 IC11 IC10 IC1

D1
PC Board PC IC Socket IC Connector Jack Connector Plug IC8 K6 K1 K2 K3 K4,5 K7 XTAL1 XTAL2 D1 D2,3,4,5,6,7 X1

K1

K3 IC4 IC6
IC

X1

K5

K7
IC1 IC2,6,7 IC3,4 IC5 IC8 IC9 IC10 IC11 UPC24M05AHF TC74HCU04AP CS5330A-KS TMS5707FPJ TMP87PH40AN TD62003P/AP S-80845CLY M93C46-WBN6P 0.1uF /50V 15pF / 50V 1000pF/50V 1000uF/16V 470uF/100V 10uF/ 16V 22uF/ 16V 1M 1/6W 100 1/6W 47k 1/6W

115-1535-10 300-1101-00 307-1702-00 308-0213-00 308-0209-00 308-0809-00 308-1014-00 308-0609-00 527-0027-00 527-0025-00 S1VB60 RD5.6JSAB1 RN2204

Ceramic Capacitor

C1,6,11,1826,28 CK92Y5V1H104Z C3,5 CC14CH1H150JS C1215,27 CK14B1H102KS CE04W1C102VK CE04W1A471VK CE04W1C100VPE CE04W1C220VRE RD142CA105J RD142CA101J RD142CA473J

Crystal Diode Zener Diode Digital Transistor

Electolytic Capacitor C2 C4 C7,8,9,10 C16,17 Carbon Resistor Metar Film Resistor Resistor Array R2 R4,6 R914 R1 R3,5 R7,8 RA1 RA2

RN143FA2R7JS-P 2.7 1/6W RN142CK1802F 18k 1/6W RN142CK2001F 2k 1/6W RD92K04C104J18 RD92AK16C473J18

Lamp Assembly (723-0100-00) Ass'y
PC Board PC 115-1544-00 PL1,2,3,4 K1 176-4501-10 309-2235-04

K1

Pilot Lamp Connector Jack Ass'y Ass'y

PL2 PL1

PL4 PL3



www.hifiengine.com

Display Assembly (723-0097-00) Ass'y
D4 IC4
PC Bard/PC X1 115-1534-00 X2

K8

IC2 D1 IC1 IC3 D3 D5 D7 K1 K2
PC Bard/PC 115-1566-00

IC5 D19 D16 D15 D17 D14 D12 K10 K11
PC Bard/PC 115-1569-00

D6 D9

D10

S2 S1 K3 K5

K4

K6 K7

S3 K9 S4

PC Bard/PC 115-1567-00 115-1534-00 115-1566-00 115-1567-00 115-1568-00 115-1569-00 250-1117-00 for for for for for Display S1 Meter S2 HOLD TIME S3 INPUT S4 Gain

PC Bard/PC 115-1568-00 Push Switch LED S2: HOLD TIME S3: INPUT D1,4,16,19 D3,5,6,7,9,10 12,14,15,17 D2,8,13,18 D11 X1,2 IC1,3 IC2,4 IC5 C1,2 C3 354-1117-00 354-1117-00 FR3864X LA-401VN MA165 HZ2CLL RN2205 TD62381P TC74HC238AP TD62786AP CK92Y5V1H104Z 0.1uF/50V CE04W0J330MA 33uF/6.3V

PC Board PC

LED Spacer LED Flat Cable Holder

Diode K1,2 K4,5,6,7 K8 K10,11 K3,9 S1: METER S4: GAIN 280-9006-00 280-9002-00 280-9017-00 280-9005-00 307-1205-00 336-5010-00 336-4010-10 Cerarmic Capacitor Zener Diode Digital Transistor IC

Connector Jack Rotary Switch

Carbon Film Resistor R1 RD142CA391J 390 1/6W R2 RD142CA511J 510 1/6W R310 RD142CA910J 91 1/6W

Electolytic Capacitor

LED(L) Assembly (723-0098-00) LED(R) Assembly (723-0099-00)
Lch
D1 D25 D1

Rch

D25

PC Board PC Flat Ceble LED K1 D125

115-1536-00 673-1207-10 FR1105W-TR

PC Board PC Flat Ceble LED K1 D125

115-1537-00 673-1207-10 FR1105W-TR



www.hifiengine.com

Notes

1. Internal input resistance of volt-ohm meter should be higher than 10k-ohms. 10k 2. Adjustments should be made in case of the PC Board or Transistors being changed. PC 3. After feeding 110 watts output for about 15 minutes, check bias adjustment again. 110

STEP

ADJUST ITEM

PROCEDURE
TEST EQ'PT CONNECTING POINT

ADJUST

REMARKS

1

Bias Current of L ch. Power Amp L ch. Bias Current of R ch. Power Amp R ch.

V.O. Meter set range to less than DC 0.3V DC0.3V

Power Amp Ass'y Ass'y (717-0081-00) Test Point pin

VR2 forL ch. VR1 for R ch.

Adjust for 35mV reading of V.O. meter 35mV

2

1

Setup in adjustment mode : A power supply is turned on with Meter switch in OFF position, and it will become adjustment mode if Hold Time switch is pushed on 8 times or more within a time which an output muting relay turns on. METER:OFF ON "HOLD TIME"8 HOLD TIME ( 1) 2 Connect the Standard Dummy Load of 8/100W or more, and also Digital Volt-meter to A-60 output as shown below. Adjust the input signal so that meter reads exact 20.0V 8/100W 20.0V

2

Standard Dummy Load:8/100W or more 8/100W

4 4

Exampl/ 4/100W ×2=8/200W Input

20.00 V
Digital Volt-meter

AG

SP out

A-60

Adjust the input signal so that meter reads exact 20.0V 50W( 20.0V) AG( )

3

If a METER switch is made into a "BAR" position (Fig.3) and a HOLD TIME switch is pushed 5 seconds or more (Fig4), it will become the check of "50W" display and the calibration will be started. In several seconds, a display shows "50W" and returns to the display of a soft setting date(Fig3) after this. METER"BAR" ( 3)"HOLD TIME"5 (4)"50W" "50W" " (3)

Test Point





Test Point / TP2

1 1

www.hifiengine.com

Power Supply Switch is turned on with Meter switch in OFF position, it becomes Adjustment Mode if Hold Time switch is pushed on 8 times or more before an output relay turns on. "Meter:Off" "Hold Time" 8
It becomes all displays while pushing Hold Time. Hold Time ( )

Digital meter and the bar graph meter are indicated by simultaneous. Or a simultaneous display is canceled. A setup of a simultaneous display (Fig.5) Set the Meter sw to 10 or 100 or 1000W and push Hold Time on 5 seconds. (5) Meter:10W/100W/1000W +Hold Time5

Fig.1

Fig.5
Power at on with Meter OFF "Meter Off" Hold Time is pushed on 8 times or more within a muting time. HoldTime8

"Meter:Off"

A display shows the total aging time.

Meter; 10/100/1000W

Hold Time is pushed on 5 seconds. HoldTime5

(The example of Fig.2 shows 19 hours,45 minutes, 8 seconds) ( 19 45 8)

Release The above-mentioned operation is repeated. Push Hold Time on 5 sec. or more. (Hold Time5 )

Fig.2

Fig.6
Shown only bar graph.

Meter Off "Meter:Bar"
A display shows a soft version date Push Hold Time on 5 seconds HOLD TIME5

(The example of fig3 shows April 21, 2004) ( 2004421)

A-class :Bias current is restricted to one half. A 1/2 Bias half operation from normal operation. 1/2
LED is turned on at power supply ON. LED

Fig.3

Fig.7
Meter:Bar
"50W" for confirmation, see Sterp 2 and 3 of Meter Calibration of page 11. A display shows "50W" and returns to soft version date. Notes ;Please do not change a signal during confirmation. Calibration will be stopped if Hold Time is pushed during a check. 50W / 112,3 50W " " : (4 )Hold Time Normal Operation shown "A-60" "A-60" LED blinks at power supply ON. LED Half Bias Operation shown "A-30" 1/2 "A-30" Push INPUT switch on 5 seconds INPUT5 Gain:"-12dB"

Fig.8

Fig.4

" Meter:Bar" "Hold Time"is pushed 5 sec or more. "Meter:Bar""Hold Time"5 "

When an INPUT switch is again pushed for 5seconds, it is the A-60 display of normal operation. INPUT5 A-60

1 2
www.hifiengine.com

When doing this work, all these pages are checked.
The unit can be used with differnt voltage of 100V,120V,230V. (Use the Japanese domestic model at 100V only, and never change the voltage in Japan.) Refer the photo and illustration for the wiring on the junction terminal as shown below, and have to select the correct fuse and power supply cord. 100V120V230V 100V BOTTOM VIEW ()
In-rush Porotector Assembly Ass'y D,U type(716-0685-01) E type(716-0685-03) J1
! Diode (A) Ass'y

Circuit Breaker/ D,U,Ttype/10A (311-0104-00) Etype/5A (311-0053-00)

220,240V 100,120V 100,120V

716-0686
D1

J3 J2

S25VB60

R1 10 2W

See Jumper Table K1

! In-rush Protector Ass'y REL+ RELAC17V
T G K H K L R L W O B B R E D

K

at 100-120V (716-0685-01) at 220-240V (716-0685-03)
K1

B

L

!

RELAY001 362-4101-00 4 1

510-2056-20
5 WHT C001 0.047u 250V
N

117V ORG 100V RED 0V GRY 117V YEL 100V BRN 0V WHT

!

GRN AC 36.4V BLK 0V

4 ! 3 2 1 S001 354-1023-00
2 B 1 R

ORG AC 36.4V YEL AC 46V ORG AC 46V YEL AC 46V ORG AC 46V ORG AC 20V GRY 0V ORG AC 20V GRN AC 7.5V 0V GRN

5 4 3 2 1

Voltage Selector Photo is shown Japanese model wiring.

3

2

STEP
Remove the Bottom Plate. Change the wiring of Voltage Selector Ass'y and the setting of jumper location of In-rush Ass'y. Ass'y The Breaker of a proper value is used. The AC Cable which suits voltage is used.

AC 100/120V /230V 50/60Hz ! BRN W GRN/YEL F1

! BLU

10A at 100V 10A at 120V 5A at 230V
CIRCUIT BRAKER

Attention mark indicating critical components for safety. Replacement must be made with identical parts of special part number.


VOLTAGE Ass'y NO J1 100-120V 716-0685-01 220-240V 716-0685-03

J2

J3

1 100V (D) 120V (U,T) 220V (E) BRN 230/240V(E) BRN

2 WHT-GRY WHT-GRY WHT WHT

3 YEL BRN YEL.GRY YEL.GRY

4 BRN-RED YEL-ORG RED ORG

5 ORG RED ORG RED

Braker/ 100-120V/10A (311-0104-00) 220-240V/5A (311-0053-00)

POWER SUPPLY/ 680-1404-00 (100V) 680-2402-00 (120V) 680-3402-00 (220V) 680-3402-00(230/240V)

1 3
www.hifiengine.com

Service Information
MODEL : A-60

No. A-60-001
Accuphase Laboratory Inc. Issued 2005-7-6

SUBJECT :

The measure at the time of decrease voltage

Details ;To prevent becoming instability of operation by the bridge connection and the balance input connection at the time of decrease voltage,the measures is performed as follows. Measure : Logic Ass'y/capacitor C2: 470uF1,000uF ; ;Ass'yC2 :470uF1,000uF

An applicable serial number is as follows. / E4Y001100, F4Y101200, L4Y201300.

Electrolytic Capacitor
BOTTOM VIEW/

CE04W1C102

1pce.

C2: 1,000uF/16V

TOP VIEW/

Logic Assembly/Ass'y (721-0077-00)

C2
To be changed as follows. Electrolytic Capacitor 25V/470uF 16V/1000uF (CE04W1E471CE04W1C102) C2

1 4

www.hifiengine.com

Sticker /3pcs. (180-9117-24) Top Carton Box (800-0255-04)

Joint /6pcs. (249-0012-20)

Top Pad Case
Wrapping Sheet (810-4545-04) (801-0248-00)

Accessories Case (801-0247-20) Top Pad (R) (803-0320-00)
Poly Bag for AC cord

/ (810-2030-04)

Top Pad (F) (803-0319-10)

Sub Boand (803-0360-04) Center Pad (803-0323-00) Poly Bag for Owner's Manual / (812-2435-04) Cover (810-4867-04)

Manual Caution Notes () Power Supply Cord () for only Domestic () for only Domestic

Bottom Pad (R) (803-0322-10) Bottom Pad (F) (803-0321-10)

Bottom Carton Box (801-0249-00)

1 5

www.hifiengine.com

1 6

www.hifiengine.com

A - 6 0 M A S T E R C I P C U I T D I A G R A M
L-ch. INPUTS
BALANCED
(1)GND (2)COLD (3)HOT 40k-OHM 0.86V

INPUT ASS'Y 716-0688
JK1 K1 JK3 JK4 K2 K3 K4

L-ch. POWER AMP. ASS'Y 717-0081
K1 K2 K4 TP1 TP2 W1 W2 W3 W4 W5 K3 BLK + - 35mV K9 W6 K12 K13 K11 YEL R2 R-ch. OUTPUT K7 K3 K10 K4 W1 W2 W3 W4 W5 K3 1 2 3 4 W6 BLK + - 35mV BLK RED VIO GRN GRY K6 K8 + 313-1023-02 313-1022-02 BLK RED VIO GRN GRY GRN K5

UNBALANCED UNBALANCED
20k-OHM 0.86V 20k-OHM 0.86V

PROTECTION ASS'Y 720-0070
K1 K2

L-ch. OUTPUT + 313-1023-02 313-1022-02

R-ch. INPUTS

BALANCED
(1)GND (2)COLD (3)HOT 40k-OHM 0.86V

JK2 K5

60W/8 120W/4 240W/2

DIODE (B) ASS'Y 716-0687
C1 0.01u 250V D1 S25VB60 18k 1/2W R1 18k 1/2W K1 K2 C2 C3 R1 10 2W 0.1u 250V K1 308-0408-00 K4 0.01u 250V TP1 TP2

R-ch. POWER AMP. ASS'Y 717-0081

DIODE (A) ASS'Y 716-0686
D1 S25VB60

IN-RUSH PROTECTOR ASS'Y D & U :716-0685-01 E: 716-0685-03
RED GRY VIO C003 RED BLK VIO K1

WHT BLK

BLK WHT ORG BLK RED

C004

2

3

1 BRN

BRN W GRN/YEL

BLU

10A at 100V 10A at 120V 5A at 230V

2

1 7 !

+48V

82000u 63V

BLK GRY

DISPLAY ASS'Y 723-0097
REL+ RELAC17V

LED(L) ASS'Y 723-0098
K3 K9 K1

82000u 63V

LOGIC ASS'Y 721-0077
K5 K7 K1 K2 K3 K6 K4

K8

!

RELAY001 362-4101-00 4 1

-48V

K1

K10

LED (R) ASS'Y 723-0099 for Adjust
K4 K6 K1

510-2056-00
117V ORG 100V RED 0V GRY 117V YEL 100V BRN 0V WHT !

GRN AC 36.4V BLK 0V BLK

5 WHT C001 0.047u 250V AC 100/120V /230V 50/60Hz ! F1 ! 4 3 2 1

ORG AC 36.4V YEL AC 46V ORG AC 46V YEL AC 46V ORG AC 46V ORG AC 20V GRY 0V ORG AC 20V GRN AC 7.5V 0V GRN

LAMP ASS'Y 723-0100
S1
K2

S2
K5

S3
K7

S4
K11

K1

METER Sw

HOLD TIME Sw

INPUT Sw

GAIN Sw

S001 354-1023-00

VOLTAGE SELECTOR

VOLTAGE SELECTION TABLE
100V 120V 220V 230/240V 1 BRN BRN 3 2 () 4 () WHT.GRY YEL BRN.RED WHT.GRY BRN YEL.ORG WHT YEL.GRY RED WHT YEL.GRY ORG 5 ORG RED ORG RED ! Attention mark indicating critical components for safety. Replacement must be made with identical parts of specified part number.

www.hifiengine.com

I N R U S H P R O T E C T A S S ' Y
( 7 1 6 - 0 6 8 5 - 0 1 ) D / U / T M o d el ( 7 1 6 - 0 6 8 5 - 0 3 ) E M o d el

I N P U T A S S ' Y ( 7 1 6 - 0 6 8 8 - 0 0 )
R7 101 4120F R19 152 /1H R11 1582F 303 R15

RELAY1

D1 MA165

2R2K 3H 2R2K 3H 2R2 3H 2R2K 3H J3 220-240V

2R2K 3H 2R2K 3H 2R2 3H 2R2K 3H

RELAY3

! R4 ! R3 ! R1 ! R2

! R5 ! R6 ! R8 ! R7

D2

3

D1 S1ZB20

RELAY4

3

JK3

100V-120V J2

6 7 8 9 10

100V-120V

J1

L-ch UNBALANCED INPUT
2G 20k-OHM 1 2 3 4 5

302-0115-00 1A K5 1G 314-3011-00 R1 274 2C RELAY2

R10 101

R22

4120F 152 /1H 303 R18

R-

4 3 2 1

K1 308-0511-00

R-ch UNBALANCED INPUT
20k-OHM J3 O

152 /1H

VOLTAGE 100-120V 220-240V

ASS'Y No. 716-0685-01 716-0685-03

J1 O

R+

L+

J2 O

JK4 302-0115-00

6 7 8 9 10



362-0202-00

R8 101

R20 4120F

303 R16

C2

1A

R2 274 2C

HOT AGND COLD AGND K2 308-0434-00

R+

AC100-120V
5 4 3 2 1 5 4 3 2 1 362-0202-00 362-0202-00 RELAY5 ! Attention mark indicating critical components for safety. Replacement must be made with identical parts of specified part number.

362-0202-00

RELAY6

RELAY7

D4 MA165

D3 MA165

1 2 3 4 5 6

308-0609-00 K3 DGND +5V Bal. Relay(Unbal./Bal.) Bridge_Sig. Bridge_Gain_Relay Input Mute Relay

5 4 3 2 1

6 7 8 9 10

6 7 8 9 10

( 7 1 6 - 0 6 8 7 - 0 0 )
R2 C1 183 2H D1 S25VB60 103 /2E R1 183 2H

R-

L-

6 7 8 9 10

D I O D E ( B ) A S S ' Y

to LOGIC Ass'y K7

Dual Mono_Relay Bridge_Relay Bridge_sig. 5A Bridge Normal 4A 3A 2A 3B 1A 2B 1B 4B 1 2

K4 308-0209-00 Bridge_sig +5V

5B

C2 C3 104 /2E

103 /2E

Dual Mono

S1A

336-3903-00

336-3903-00

S1B

L E D ( L ) A S S ' Y ( 7 2 3 - 0 0 9 8 - 0 0 )
308-0408-00 -48.9V AC37V AC37V +48.9V

L E D ( R ) A S S ' Y ( 7 2 3 - 0 0 9 9 - 0 0 )
-30dB -20dB -10dB 0dB

L A M P A S S ' Y ( 7 2 3 - 0 1 0 0 - 0 0 )

K1

1 2 3 4

-
AC37V +48.9V P GND P GND LED_BAR LED_7

-60dB

-50dB

-40dB

LED_6

LED_5

LED_4

LED_3

LED_2

LED_1

LED_0

LED_7

LED_6

LED_5

LED_4

LED_3

LED_2

LED_1

LED_0

LED_7

LED_6

LED_5

LED_4

LED_3

LED_2

LED_1

LED_0

D10

D11

D12

D13

D14

D15

D16

D17

D18

D19

D20

D21

D22

D23

D24

/LED_A

/LED_B

/LED_C

( 7 1 6 - 0 6 8 6 - 0 0 )
D1 S25VB60

D25

D1

D2

D3

D4

D5

D6

D7

D8

D9

D I O D E ( A ) A S S 'Y

to Protection Ass'y K11

FR1105W-TR

K1
1 2

309-2235-04

PL1 176-4501-10

PL2 176-4501-10

PL3 176-4501-10

PL4 176-4501-10

R1 100 /3D 673-1207-10

to Relay

from AC Inlet

K1

1 2 3 4 5 6 7 8 9 10 11 12

/LED_A /LED_B /LED_C LED_BAR LED_7 LED_6 LED_5 LED_4 LED_3 LED_2 LED_1 LED_0

www.hifiengine.com

to PROTECTION Ass'y K9

to R-ch POWER AMP. AssY K1

274 2C

274 2C

R9 101

R12 1582F

LL+

5 4 3 2 1

2G

1G

C4

362-0202-00

(1)GND (2)-INPUT (3)+INPUT 40k-OHM

1 1G

2

R4

R6

6 7 8 9 10

R-ch

BALANCED INPUT

303 R17

JK2

152 /1H R14

C1 101 /1V

1 1G

C1

R13

2 274 2C

5902F 5902F 362-0202-00 6 7 8 9 10

(1)GND (2)-INPUT (3)+INPUT 40k-OHM

5 4 3 2 1

L-ch

BALANCED INPUT

JK1 302-8011-00 R3 274 2C R5 5 4 3 2 1

MA165

362-0202-00

C3

4 3 2 1 Text 5 4 3 2 1

302-8011-00

4120F R21

HOT AGND COLD AGND K1 308-0418-00

to L-ch POWER AMP. Ass'y K1

1 8 -

308-0221-00

+ - 60mV TP1
2 1

2SA1376A_-K

220

+V2

+V1
R7c 243

R51c

+DR

2SC3478A_ -K

R9c

R67

3480F

Q2c

562

308-0212-00 6980F 6 R14c R15c 101

1000F IC1B

R52c 220

101

R10c

K2

R16c

R13c

7 5 2SA1376A_-K

-V2 +V2

R8c 243

-V1

R51b 220

NJM4580D-D
FO
R47b 3480F

+V1
R7b 243 D5 MA167

Q4c

R12c 220

AC50V AC50V

2 1

R66

FO
R47c

220

!

!

2SC3478A_ -K 2SA1376A_ -K R11c

R10

P O W E R A M P A S S 'Y ( 7 1 7 - 0 0 8 1 - 0 0 )

Q1c

R10

562

Q3c

FO

-DR

+DR
Q3b

+V2 +V1
472 /2E 102 R23 680 3A 101 /2D HZ6A1L HZ153L

Q1b

221 /2A

1SR139-400

151 /2H

104 /2E

681 /2H

1211F

D15

220

1000F 6980F R14b 6 IC2B

C19 680 /2A

471 /2A

471 /2A

R13b 101

2SC3478A_ 2SA1376A_ -K -K

682 3F

562

R16b

562

102 3F

+V2
471 /2A 471 /2A

R29 470 3D C31

<
D19 C27 C33 C29

2SC3902_-S/T

Q5

R49

<

42mA

+61.5V

R9b

R11b

C7

101 R25

R21

C13

2SC3478A_-K

C15

D7

D9

HZ153L

C37

R19

562

to K1 or K2 of Input Ass'y

Q2b

R12b 220

3480F

R47a

NJM4580D-D
+V1

R10b

Q4b

R52b 220

R16a 6980F 1000F

+DR 2SA1145_ -Y

2SA1145_-Y 2SA1145_ Q13 2SA1837-Y S1
5361F 2H 5361F 2H R37 +4.3V R33 101

Q9

Q11

C5

101

R55

1SS83 D13 2SK3497_

<

FO

D21

R10

D17

C21

C23

R15b

5

Q7

R69

7

FO

102 /1H

R17

!

102

R27

!

LN1VB60

-61.5V V+F

Q15 S 2SK2013_ -Y

HZ6A1L R57a 331

2SK3497_ 2SK3497_2SK3497_ 2SK3497_2SK3497_ 2SK3497_ 2SK3497_
Q19c R57c 331 Q19d R57d 331 Q19e R57e 331 Q19f R57f 331 Q19g R57g 331 Q19h R57h 331 Q19i R57i 331 R57j 331 Q19j C25

8

-V2 +V2

R8b 243

-V1

-DR

R14a R15a

2SA1376A_-K

2 1 3 NJM4580D-D -V1
R13a

369-0026-00 102 R38 R39 161 152

MA167 2SC2710_-O/Y D11

Q1a R51a 220

+V1
R7a 243

203

Q23

101 C17 562 Q22 Q21 2SA1150_ -O/Y R36 R35 471

Q17 S

S 2SK3497_332
R59a R22K 3D Q19a

S
R61a 332

S
R61b 332 3D

S
R61c 332 3D

S
R61d 332 3D

S
R61e 332 3D

S
R61f 332 3D

S
R61g 332 3D

S
R61h 332

S 2SK3497_
R61i 332 R59j R22K 3D R63

2SC4793

1131F 2H

680 3D

562

2SC3478A_-K

243 2SA1376A_

120 3A

3D

3D

3D

3D

3D

R60a R22K 3D

R60c R22K 3D

R60i R22K 3D

220

471

3D

R12a

563 2H

R48

R60d R22K

R60e R22K

R60f R22K

R60g R22K

R60b R22K

R60h R22K

Input

562

3

R10a

3

C4 101 /2J

C3

753

100 /1H R41 753 R40

R60j R22K 3D

-K

753

Q2a

GND Input Cold GND Input Hot

1 2 3 4

R59b R22K 3D

+IN

-IN

R11a 220

R43b

R43a

R59c R22K

R9a

R53

R59d R22K

R59g R22K

R59h R22K

R59e R22K

R59f R22K

R59i R22K

3D

K1

2SC3478A_ -K

TH1 R71

IC1A

Q3a

308-0419-00

FO

Id+
W1 W4 W2 W3

101

+DR

4

R54

220 /2D

-Y R31 2SK2013_

Q19b R57b 331

>

R6

R5

101

FO

OUT

+V1
C9

S2

C35 223 /2E

GND Output +49V -49V

201

R52a 220

471

VR2

D22

MA167 D12

R2

R8a

R1

2SJ618_

753

>

105

D23 HZ9A2L

-V1 OUT -DR FO

4

105

R32

R46

2SC2705_-Y

010 /1H

223 /2E

HZ153L C6

471 /2A

102 /1H

471 /2A

471 /2A

221 /2A D20

101 /2D

Q10 HZ6A1L MA167 1211F 2H HZ153L D8

682 3F

R10

D18 1SS83 151 /2H

681 /2H

104 /2E

472 /2E

C11

C12

R18

D16 1SR139-400

C16

C14

562

362-0202-00

MA165

MA165

MA165

362-0202-00

362-0202-00

D10

R70

R26

102

C38

C22

C24

680 /2A R50 102 3F

6 7 8 9 10

6 7 8 9 10

6 7 8 9 10

C8

R28

102

R56

101

C20

!
C28

C30

C32

R30 470 3D

C34

!

471 /2A

R44 1651F 2H

R45 5111F 2H

R42a 1581F 2H

R42b 1581F 2H

2SC4793
-Y 2SC2705_ Q12

680 3A 2SC2705_ -Y

R34 101

D14 HZ6A1L

2SJ618_

2SJ618_

2SJ618_ 2SJ618_

Q8

2SJ618_

2SJ618_

C26

Q14

R20

R22

RELAY3

RELAY1

R24

RELAY2

D6

W6 D1

W5

D3

D2

-V2 -V1

2SA1507_-S/T

5 4 3 2 1

5 4 3 2 1

5 4 3 2 1

6 7 8 9 10

362-0202-00

!
TH2 369-0033-00

RELAY4

MA165

+5V

CAUTION ! Attention mark indicating critical

D24

1 2

1 2 3 4 5

S1 S2

5 4 3 2 1

+5V

components for safety. Replacement must be made with identical parts of specified part number.

+5V 22dB 25dB 28dB(MAX) Id_Relay

K3
308-0206-00

K4
308-0508-00

1 2

to K9 of Protection Ass'y

to K5 of Logic Ass'y

<

Q6

42mA

-V2

+ - TP2 10mV

Id-

S

-4.1V

Q16 -Y 2SJ313_

101

R58a 331

R58b 331 Q20b

R58d 331 Q20d 2SJ618_ 2SJ618_

R58c 331 Q20c

R58e 331 Q20e

R58f 331 Q20f

R58g 331 Q20g

R58h 331 Q20h

R58i 331 Q20i

R58j 331

S

S

S

S

S

S

S

S

S

S

NJM4580D-D

Q20j

2SJ618_

220 /2D

R4

R3

C10 HZ9A2L 100 /1H

S

IC2A

3

562

2SJ313_ -Y

471

1

1

-V2

-V1

-DR

1

VR1

C2 220 /1H

C1 220 /1H

Q4a

101 /2J

2

201

8

1 9 -

2
C18

2

Q18

Q20a

2SJ618_

R62a 332 R62b 332 R62c 332 R62d 332 R62e 332 R62f 332 R62g 332 R62h 332 R62i 332 R64 332

R65 200 3F

V-F

308-0221-00

www.hifiengine.com

from K8 of Display Ass'y

ARLRCK ARLRCK

AXLRCK AXBCK AXBCK VCC

K5
1 2 3 4 5 6 7 8 9 10

IC5 TMS57070FPJ

/Rly_22dB /Rly_25dB /Rly_28dB /Rly_Idle /Rly_22dB /Rly_25dB /Rly_28dB /Rly_Idle 308-1014-00 VCC

/DSPCS

K7

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

ED18 ED19 ED20 ED21 ED22 ED23 VSSa VDDa CKM0 CKM1 TMS TDI TCK CKIN VSSb VDDb CKOT ED0 ED1 ED2 ED3 VSSc VDDc ED4 ED5 ED6 ED7 ED8 ED9 ED10

VSSg RLR2 RLR1 /512 TDO EMU1 EMU0 DRDY LMV LAV /8 XLR1 XBC2 XBC1 VDDf VSSf HBKS CS HXS HXBK HRS HR HRBK R2 R1 XLR2 EMP HX VDDe VSSe

80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51

SDATA DSPSCK RDATA LDATA AXLRCK

1 2 3 4 5 6

IC8 TMP87PH40AN

/Rly_Bal /Bridge /Rly_-6dB /Rly_In 308-0609-00

/Bridge R13 473

/Rly_22dB /Rly_25dB /Rly_28dB /Rly_Idle /Rly_Bal /Rly_-6dB /Rly_In /Bridge

9 10 11 12 13 14 15 16

COM O7 O6 O5 O4 O3 O2 O1

GND I7 I6 I5 I4 I3 I2 I1

8 7 6 5 4 3 2 1

Rly_22dB Rly_25dB Rly_28dB Rly_Idle Rly_Bal Rly_-6dB Rly_In

from AC7.5V

2 0
K1
2 1 308-0213-00 AC7V_2 AC7V_1

from Lamp Ass'y
R1 2R7 3F 308-0209-00 2 1 Lch_I Rch_I 2C R4 101 R6 101 D1 S1VB60 R7 2001F 2C R8 2001F 2C 2C R3 1802F R5 1802F Lch_V Rch_V

K2

L O G I C A S S 'Y ( 7 2 1 - 0 0 7 7 - 0 0 )

C5 150 C7 100 /1C C8 100 /1C C9 100 /1C C10 100 /1C D3 RD5.6JSAB1 D5 RD5.6JSAB1 D2 RD5.6JSAB1 D4 RD5.6JSAB1 IC2B R2 105 3

K3

TC74HCU04AP

XTAL1 12.500MHz 4 C2 102 /1C Rch_Idle C1 104 C12 102 C13 102 C14 102 C15 102 1 I 8 7 6 5 8 7 6 5 D6 RD5.6JSAB1 C3 150

Lch_V Lch_I Rch_V Rch_I Rch_Idle Lch_Idle EN_Out

1 2 3 4 5 6 7 8

from K10 of Protection Ass'y

308-0809-00

IC2A TC74HCU04AP
G O

IC1 UPC24M05AHF

2

IC3 IC4

Lch_Idle

CS5330A-KS

CS5330A-KS

AINL SDATA VA+ SCLK AGND LRCK AINR MCLK

AINL SDATA VA+ SCLK AGND LRCK AINR MCLK

C18 104 VCC C4 471 /1A C17 220 /1C VCC C16 220 /1C

C19 104

VCC X1 RN2204 /EN_Out

D7 RD5.6JSAB1

MCLK 1 2 3 4 1 2 3 4 VCC R9 473 C6 104 VCC

VCC

VCC

VCC

IC2F
9 3 VCC C21 104 8 4 VCC

IC6B TC74HCU04AP

IC6A TC74HCU04AP 1 2

IC2D TC74HCU04AP

IC2E TC74HCU04AP 11 10

13

C24 104

C25 104

for Adjust

TC74HCU04AP IC6D IC6C
IC6F TC74HCU04AP 13 12

12

AXBCK

DSPSCK

AXLRCK

Adj_4 Adj_3 Adj_2 Adj_1 Adj_0 VCC GND /Sw_Adj /Sw_Lch /Sw_Rch 11

308-1014-00 10 9 8 7 6 5 4 3 2 1

IC6E TC74HCU04AP

IC2C TC74HCU04AP
5 9 6 8

TC74HCU04AP

5 6 RDATA VCC C20 104 C11 104 /RST /DMT C22 104 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 VDDg HDIR 5V3V MUTE TRST RS IOE RAS CAS VSSh VDDh WE EA0 EA1 EA2 EA3 VSSi VDDi ED16 ED17

IC7A
2

6

K4

IC7B TC74HCU04AP 4 3

TC74HCU04AP

IC7C TC74HCU04AP

10 ARBCK

RA1

1

5

/Sw_Adj /Sw_Lch /Sw_Rch LDATA ARLRCK VCC

104J

TC74HCU04AP

12 13 PKLR SCLK PKCLK /DMT /RST R11 473 R10 473 /DSPCS

8

IC7F

VCC

9

TC74HCU04AP

IC7D TC74HCU04AP
IC7E TC74HCU04AP 10 11 VCC R12 473 VCC C23 104 /EN_Out Rch_Idle Lch_Idle Adj_4 Adj_3 Adj_2 Adj_1 Adj_0 VCC GND /Sw_Adj /Sw_Lch /Sw_Rch

Dig_0 Dig_1 Dig_2 Dig_3 /Gate /Ret /LED /Seg_A /Seg_B /Seg_F /Seg_C /Seg_G /Seg_H /Seg_E /Seg_D

307-1702-00 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 VCC

K6

to K4 of Power Amp Ass'y to K3 of Input Ass'y

RA2

/INTMON /DMT /RST /DSPCS PKDATA AX3DATA BARDATA SDATA PKLR SCLK PKCLK Rly_22dB Rly_25dB Rly_28dB Rly_Idle Rly_Bal Rly_-6dB Rly_In /Bridge CS_EEP SK_EEP DI_EEP DO_EEP

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 X3 X2 X1 RBC2 RBC1 INT3 INT2 INT1 BIO TST3 TST2 TST1 TST0 ED15 ED14 ED13 ED12 VDDd VSSd ED11 VCC VCC

P70 VCC P71 P67 P72 P66 P73 P65 P74 P64 P75 P63 P76 P62 P77 P61 P00 P60 P01 VREF P02 VASS P03 P54 P04 P53 P05 P52 P06 /Int4 P51 P07 /Int3 P50 P10/Int0 P47 P11/Int1 P46 P12/Int2 P45 P13 P44 P14 P43 P15 P42 P16 P41 P17 P40 P20/Int5 P37 TEST P36 P21 P35 P22 P34 /RST P33 XIN P32 XOUT P31 GND P30

64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33

Dig_0 Dig_1 Dig_2 Dig_3 /Gate /Ret /LED /Seg_A /Seg_B /Seg_F /Seg_C /Seg_G /Seg_H /Seg_E /Seg_D

473J

VCC

XTAL2 527-0025-00

50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 2 AX3DATA BARDATA PKDATA ARBCK ARBCK C27 102

1 XI G XO 3

CS_EEP SK_EEP DI_EEP DO_EEP R14 473 1 2 3 4

IC9 TD62003P/AP

IC11

O G I VCC C28 104

CS VCC SK NC DI ORG DO GND

IC10 S-80845CLY

8 7 6 5 VCC C26 104

M93C46-WBN6P

www.hifiengine.com

X1 RN2205

D10 LA-401VN

D3 LA-401VN

COM A F B G C E DP D COM

COM A F B G C E DP D COM

VCC_CNT

to K1 of Lamp Ass'y

from K2 0f Meter Sw. K1 280-9006-00
10 9 8 7 6

1A

K2 280-9006-00

2A 3A 4A 5A LED_A LED_B LED_C LED_H /Scan_4A /Scan_3A /Scan_2A /Scan_1A /Scan_0A /Ret_A /LED_L4 /LED_L3 /LED_L2 /LED_L1 /LED_L0 /Ret D2 /Ret_A MA165

/Scan_1A /Scan_2A /Scan_3A /Scan_4A

5B

D I S P L A Y A S S ' Y ( 7 2 3 - 0 0 9 7 - 0 0 )

S1A S1B 336-5010-00 336-5010-00
1B 2B 3B 4B /Scan_0A /Scan_1A /Scan_2A /Scan_3A 1 2 3 4 5 6 1 2 3 4 5 6 /LED_R3 LED_F LED_G LED_E LED_D

/LED_L3 LED_F LED_G LED_E LED_D

to K4
to K5 of Hold Time Sw.

K5 280-9002-00
/Scan_B 1 2 /LED_LB /Ret MA165 1 2 D8 /Ret_B 2 4 1 3 /Scan_B /Ret_B

K4 280-9002-00

VCC

LED_A LED_B LED_C LED_H

LED_A LED_B LED_C LED_H

to K6 K7 280-9002-00
/Ret_C D13 /Scan_C 2 4 /Ret_D /Scan_3D /Scan_2D 2A 1A /Scan_1D 4A /Scan_0D /Ret_D /Scan_3D /Scan_2D 1B 2B 5B /Scan_1D 4B 3B /Scan_0D 3A D18 /Ret_D /Scan_0D /Scan_1D /Scan_2D /Scan_3D MA165 1 3 MA165 1 2 3 4 5 /Scan_C /Ret_C 1 2

to K7 of Input Sw.

K6 280-9002-00
1 2 /LED_RB /Ret

K8 280-9017-00

to K10 of Display Ass'y

to K11 of Gain Sw. 280-9005-00 K11
K10 280-9005-00

1 2 3 4 5

/Ret /LED_R0 /LED_R1 /LED_R2 /LED_R3

/LED_L1 LED_F LED_G LED_E LED_D

/LED_R1 LED_F LED_G LED_E LED_D

K3 307-1205-00
/LED_LA /LED_LB /LED_LC

1 2 3 4 5 6 7 8 9 10 11 12

LED_7 LED_6 LED_5 LED_4 LED_3 LED_2 LED_1 LED_0

K9 307-1205-00
/LED_RA /LED_RB /LED_RC

1 2 3 4 5 6 7 8 9 10 11 12

Bar Meter Rch to K1 of LED(L) Ass'y

LED_7 LED_6 LED_5 LED_4 LED_3 LED_2 LED_1 LED_0

R2

511

/LED_L4 LED_F LED_G LED_E LED_D D11 HZ2CLL VCC 1 2 3 4 5 VCC_CNT 10 9 8 7 6

2 1
IC1
LED_A LED_B LED_C LED_H

/LED_R4 LED_F LED_G LED_E LED_D 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5

IC2
/Gate Dig_3 3 2 1 Dig_2 Dig_1 Dig_0 /LED_LA /LED_LB /LED_LC /LED_L4 /LED_L3 /LED_L2 /LED_L1 /LED_L0 10 11 12 13 14 15 16 17 18 VCC GND O8 I8 O7 I7 O6 I6 O5 I5 O4 I4 O3 I3 O2 I2 O1 I1 9 8 7 6 5 4 3 2 1 7 9 10 11 12 13 14 15 Y7 Y6 G2B Y5 G2A Y4 G1 Y3 Y2 C Y1 B Y0 A 5 4 6

TD62381P

TC74HC238AP
VCC C1 104

VCC_CNT

D12 LA-401VN
COM A F B G C E DP D COM

D5 LA-401VN
COM A F B G C E DP D COM

S2 354-1117-00 S3 354-1117-00 S4A 336-4010-10
5A

IC3
10 9 8 7 6 /LED_R2 LED_F LED_G LED_E LED_D 1 2 3 4 5 10 9 8 7 6 /LED_L2 LED_F LED_G LED_E LED_D 1 2 3 4 5

IC4
5 4 6 3 2 1 /Gate Dig_3 Dig_2 Dig_1 Dig_0 /LED_RA /LED_RB /LED_RC /LED_R4 /LED_R3 /LED_R2 /LED_R1 /LED_R0 10 11 12 13 14 15 16 17 18 VCC GND O8 I8 O7 I7 O6 I6 O5 I5 O4 I4 O3 I3 O2 I2 O1 I1 9 8 7 6 5 4 3 2 1 7 9 10 11 12 13 14 15 Y7 Y6 G2B Y5 G2A Y4 G1 Y3 Y2 C Y1 B Y0 A

TD62381P

TC74HC238AP
VCC C2 104

D14 LA-401VN
COM A F B G C E DP D COM COM A F B G C E DP D COM 10 9 8 7 6 LED_A LED_B LED_C LED_H 1 2 3 4 5

D6 LA-401VN
COM A F B G C E DP D COM COM A F B G C E DP D COM 10 9 8 7 6 LED LED_A LED_B LED_C LED_H 1 2 3 4 5 LED /LED_LB 10 9 8 7 6 10 9 8 7 6 LED_7 LED_6 LED_5 LED_4 LED_3 LED_2 LED_1 LED_0 R1 LED_A LED_B LED_F LED_C LED_G LED_H LED_E LED_D

VCC

X2 RN2205
391 R3 R4 R5 R6 R7 R8 R9 R10 910 910 910 910 910 910 910 910

VCC

IC5
10 11 12 13 14 15 16 17 18 GND VCC O8 I8 O7 I7 O6 I6 O5 I5 O4 I4 O3 I3 O2 I2 O1 I1 9 8 7 6 5 4 3 2 1

/Seg_7 /Seg_6 /Seg_5 /Seg_4 /Seg_3 /Seg_2 /Seg_1 /Seg_0

Dig_0 Dig_1 Dig_2 Dig_3 /Gate /Ret /LED /Seg_A /Seg_B /Seg_F /Seg_C /Seg_G /Seg_H /Seg_E /Seg_D

TD62786AP
C3 330 /0J

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 VCC

D15 LA-401VN

D7 LA-401VN

Bar Meter Lch to K1 of LED(L) Ass'y

S4B 336-4010-10

D1 FR3864X

to K6 of Logic Ass'y

LED_A LED_B LED_C LED_H /LED_R0 LED_F LED_G LED_E LED_D 1 2 3 4 5

LED_A LED_B LED_C LED_H /LED_L0 LED_F LED_G LED_E LED_D 1 2 3 4 5

LED /LED_LC

D4 FR3864X

LED /LED_RB

D17 LA-401VN
COM A F B G C E DP D COM VCC 10 9 8 7 6 LED_A LED_B LED_C LED_H

D9 LA-401VN
COM A F B G C E DP D COM LED 10 9 8 7 6 LED_A LED_B LED_C LED_H /LED_RC

D16 FR3864X D19 FR3864X

www.hifiengine.com

SPECIFICATIONS

[Guaranteed specifications are measured according to EIA standard RS-490.]

Stereo operation 480watts per channel into 1 ohm() (both channels driven) 240watts per channel into 2 ohms 120watts per channel into 4 ohms 60watts per channel into 8 ohms Monophonic operation 960watts into 2 ohms() (bridged connection) 480watts into 4 ohms 240watts into 8 ohms
Note:Laod ratings marked () apply only to operation with music signals.


() () 480W/ch 240W/ch 120W/ch 60W/ch 960W 480W 240W 1 2 4 8 2 4 8

Stereo operation(both channels driven) 0.07 , with 2-ohm load 0.05 , with 4 to 16-ohm load Monophonic operation (bridged connection) 0.03 , with 4 to 16 ohm load 0.003 At rated output: At 1 watt outout: 20 - 20,000Hz 0, 0.2dB 0.5 - 160,000Hz 0, 3.0dB

( ) 0.07 2 0.05 416 ( ) 0.03 416 0.003 1W 20 20,000Hz 0 0.2dB 0.5160,000Hz0 3.0dB

28.0dB(GAIN selector: MAX,stereo/monophonic operation) MAX(28dB),-3dB(25dB),-6dB(22dB),-12dB(16dB) Stereo operation: 2 to 16 ohms Monophonic operation: 4 to 16 ohms
*With music signals only, 1-ohm loads are pemissible for stereo operation and 2-ohm loads for monophonic operation.

28.0dB (GAIN:MAX / ) 2 16 1 2 416 100



100 Stereo operation Monophonic operation 0.87 V for rated output(60W) 0.11 V for 1 watt output 1.74 V for rated output(240W) 0.11 V for 1watt out put

0.87V 0.11V 1.74V 0.11V

60W 1W 240W 1W

40k() 20k () 120dB

40 kilohms(balanced),20kilohoms(unbalanced) 120 dB at rated output,input shorted Digitalmeters: 5-digitindication,with range selection for 10W/100W/1000W Bar graph meters:25-point indication Hold time: 1 second/ (switchable)
*Displlay can be switched off *Same indication for left/right in monophonic mode

5 (10W/100W/1000W) 25 1/ * * : AC100V 50/60Hz 300W 550W 385W 8 465mm× 238mm× 545mm 45.1kg

AC120V / 230V ,50 / 60Hz (Voltage as indicated on rear panel) 300 watts idle 550 watts in accordance with IEC-65 Width 465 mm (18-5/16") Height 238 mm (9-3/8") Depth 545 mm (21-7/16") 45.1kg (99.4 lbs) net 54.0kg (119.0 lbs) in shipping carton

2-14-10 SHIN-ISHIKAWA, AOBA-KU, YOKOHAMA, JAPAN

0106 861-3143-00 Printed in Japan

www.hifiengine.com