Accuphase E-307 Operating and installation instructions

Attentionmarkindicatingcriticalcomponentsforsafety.
Replacementmustbemade withidenticalpartsofspecialpartnumber.
このマークのついている部品は、安全上重要な部品です。
必ず指定されている部品番号の部品を使用して下さい。
Authorized TechnicalService Only
Theseservicinginstructions areforusebyqualified personnelonly.
Toreducetheriskofelectric shockdonotperformanyservicing
otherthanthatcontained intheoperatinginstructionsunless youare
qualified todoso.Referall servicingtoqualified servicepersonnel.
ここに記載したサービスに関する指示事項は、サービスに関する資格を
有する者のみが使用するものです。感電防止の観点から、サービス資格
を有していない方は、取扱指示事項以外のサービスは絶対に行わないよ
うにして下さい。
CAUTION/
回路図

EXPLANATION OFSURFACE PARTS
Meter
ﾒｰﾀｰ
(178-2036-10)
Knob forINPUT
ﾂﾏﾐ
(381-4503-04)
Knob forVOLUME
ﾂﾏﾐ
(381-4501-14)
Push-button forPOWER
ﾌﾟｯｼｭﾎﾞﾀﾝ
(388-5044-03)
Push-button forTONE,COMP
ﾌﾟｯｼｭﾎﾞﾀﾝ/
(389-5077-03)
Knob /SP,TONE,TAPE,BAL
ﾂﾏﾐ/6pcs.
(384-1601-04)
FrontPanelAssembly
ﾌﾛﾝﾄﾊﾟﾈﾙAss'y
(130-0155-01)
FrontGlass
ﾌﾛﾝﾄｶﾞﾗｽ
(172-0111-13)
Decoration Screw
飾りﾈｼﾞ/2pcs.
(630-0304-04)
Washer
ﾜｯｼｬ/2pcs.
(637-9045-04)
Top Plate
ﾄｯﾌﾟﾌﾟﾚｰﾄ
(150-0068-02)
Side Panel
ｻｲﾄﾞﾊﾟﾈﾙ
(139-0034-22)
Side Panel
ｻｲﾄﾞﾊﾟﾈﾙ
(139-0034-22)
BottomPlate
ﾎﾞﾄﾑﾌﾟﾚｰﾄ
(155-0062-52)
Foot
脚
(238-0023-00)
Sub Panel
ｻﾌﾞﾊﾟﾈﾙ
(134-0121-13)
PanelEnd-cap
ﾊﾟﾈﾙｷｬｯﾌﾟ
(132-0106-04)
Head Phone Jack
ﾍｯﾄﾞﾎﾝｼﾞｬｯｸ
(302-1204-00)
− １ −

FRONTVIEW
REARVIEW
Speaker Terminal
SP端子/Brn
(313‑1019‑00)
PinJack
ﾋﾟﾝｼﾞｬｯｸ /5pcs.
(302-0411-00)
PinJackCover
ﾋﾟﾝｼﾞｬｯｸｶﾊﾞｰ/20pcs.
(254-2015-04)
Foot
脚
(238-0023-00)
DecorationPlate
ｽﾛｯﾄﾊﾟﾈﾙ
(159-0059-04)
FixingScrew
飾りﾈｼﾞ/4pcs.
(630-0302-00)
XLR (Cannon) Receptacle
ｵｰﾃﾞｨｵｺﾈｸﾀｼﾞｬｯｸ/4pcs.
(302‑8011‑00)
Connector Cover / Female
ｺﾈｸﾀｶﾊﾞｰ/ 4pcs.
(254‑2012‑00)
Lever Switch
ﾚﾊﾞｰｽｲｯﾁ
(356‑0201‑00)
AC Outlet
ACｿｹｯﾄ
(305-1209-00)
AC Inlet
AC ｺﾈｸﾀﾌﾟﾗｸﾞ
(301‑3304‑00)
＊Power Supply Cord
電源ｺｰﾄﾞ
J type:680‑1204‑00
U tyep:680‑2401‑00
E type:680‑3402‑00
Rear Panel
ﾊﾞｯｸﾊﾟﾈﾙ
(135‑0145‑02)
Front Panel Assembly
ﾌﾛﾝﾄﾊﾟﾈﾙ Ass'y
(130‑0155‑01)
1FrontPanel=131-0155-01
ﾌﾛﾝﾄﾊﾟﾈﾙ
2Sub-panel=134-0121-13
ｻﾌﾞﾊﾟﾈﾙ
3PanelEnd Cap=132-0106-04
ﾊﾟﾈﾙｴﾝﾄﾞｷｬｯﾌﾟ
4FrontGlass=172-0111-13
ﾌﾛﾝﾄｶﾞﾗｽ
5Decoration Screw=630-0304-04
飾りﾈｼﾞ
Washer=637-9045-04
ﾜｯｼｬ
6Push-button=388-5044-03
ﾌﾟｯｼｭﾎﾞﾀﾝ /POWER
Coil Spring=285-1016-04
Frame=113-0100-04
1pce.
1pce.
2pcs.
1pce.
2pcs.
2pcs.
1pce.
1pce.
1pce.
7 Push‑button=389‑5077‑03
ﾌﾟｯｼｭﾎﾞﾀﾝ /TONE,COMP,ATT
Coil Spring=285‑1023‑04
Frame=113‑0111‑04
8 Indicator=173‑9061‑03
ｲﾝﾃﾞｨｹｰﾀ
Light Insulator=234‑1079‑04
Rubber Cushion=250‑2097‑14
Push Rivet=643‑0304‑50
9 Knob Base=170‑0032‑04/VR
10 Knob Base=170‑0033‑13/INPUT
台座
4pc
s
4pc
s
4pc
s
1pc
e
1pc
e
2pc
s
7pc
s
1pc
e
1pc
e
1
2
10 4 5 9
3 76
3
8
7
Knob for VOLUME
ﾂﾏﾐ
(381‑4501‑14)
HeadPhoneJack
ﾍｯﾄﾞﾌｫｰﾝｼﾞｬｯｸ
(302-1204-00)
Knob for INPUT
ﾂﾏﾐ
(381‑4503‑04)
Knob for TONE,BAL,SP
ﾂﾏﾐ
(384‑1601‑04)
− ２ −

IO Relay Assembly
IOﾘﾚｰ Ass'y
(716‑0560‑00)
LineAmpAssembly
ﾗｲﾝｱﾝﾌﾟAsss'y
(712-0069-00)
PowerTransformer
ﾊﾟﾜｰﾄﾗﾝｽ
(510-3019-00)
LogicAssembly
ﾛｼﾞｯｸ Ass'y
(721-0060-00)
Input Selector Assembly
ｲﾝﾌﾟｯﾄｾﾚｸﾀ Ass'y
(716‑0566‑00)
ConnectorBoardAssembly
ｺﾈｸﾀｰﾎﾞｰﾄﾞ Ass'y
(716-0561-00)
Tone Switch Assembly
ﾄｰﾝｽｲｯﾁ Ass'y
(716‑0563‑00)
VoltageSelectorTable
(180-9134-14)
ConnectorBoardAssembly
ｺﾈｸﾀﾎﾞｰﾄﾞ Ass'y
(716-0561-00)
BalancedAmpAssembly
ﾊﾞﾗﾝｽﾄｱﾝﾌﾟ Ass'y
(712-0051-00)
VolumeAssembly
ﾎﾞﾘｭｰﾑ Ass'y
(716-0568-00)
ToneSwitchAssembly
ﾄｰﾝｽｲｯﾁ Ass'y
(716-0563-00)
PowerAmpAssembly
ﾊﾟﾜｰｱﾝﾌﾟAss'y
(717-0068-00)
ProtectionAssembly
ﾌﾟﾛﾃｸｼｮﾝ Ass'y
(720-0059-00)
Electrolytic Capacitor
ｱﾙﾐ電解ｺﾝﾃﾞﾝｻ
C004,005:22,000μF/63V
(CE621WG1J223AAQ)
Terminal
端子
(313-4064-00)
Ceramic Capacitor
磁器ｺﾝﾃﾞﾝｻ
C001:0.01μF/400V
(CS17F2GA103MYAS)
PowerPushSwitch
ﾌﾟｯｼｭｽｲｯﾁ
(354-1023-00)
Diode /D002
ﾀﾞｲｵｰﾄﾞ
(S15VB20)
Fuse
T6.3A L AC250V /100‑120V
(310‑1602‑00)
T3.15A L AC250V /220‑240V
(310‑1302‑00)
Fuse Holder
(306‑1508‑00)
Replace withsametype fuse.
ToneAmpAssembly
ﾄｰﾝｱﾝﾌﾟ Ass'y
(712-0070-00)
Tape Switch Assembly
ﾃｰﾌﾟｽｲｯﾁ Ass'y
(716‑0562‑00)
Tone Amp Assembly
ﾄｰﾝｱﾝﾌﾟ Ass'y
(712‑0070‑00)
Tape Switch Assembly
ﾃｰﾌﾟｽｲｯﾁ Ass'y
(716‑0562‑00)
Attentionmarkindicatingcriticalcomponentsforsafety.
Replacementmustbemade withidenticalpartsofspecialpartnumber.
このマークのついている部品は、安全上重要な部品です。
必ず指定されている部品番号の部品を使用して下さい。
AttenuatorAssembly
ｱｯﾃﾈｰﾀ Ass'y
(716-0564-00)
Power Amp Assembly
ﾊﾟﾜｰｱﾝﾌﾟ Ass'y
(717‑0068‑00)
− ３ −
Power Amp Assembly
ﾊﾟﾜｰｱﾝﾌﾟ Ass'y
(717‑0068‑00)

Power Push Switch
ﾊﾟﾜｰｽｲｯﾁ
(354‑1023‑00)
ToneSwitchAssembly
ﾄｰﾝｽｲｯﾁAss'y
(716-0563-00)
PushSwitch
ﾌﾟｯｼｭｽｲｯﾁ
(354-1412-00)
Variable Resistor
可変抵抗器/VR1:50kΩ‑A
(575‑2019‑00)
Volume Assembly
ﾎﾞﾘｭｰﾑ Ass'y
(716‑0568‑00)
AttenuatorAssembly
ｱｯﾃﾈｰﾀ Ass'y
(716-0564-00)
PushSwitch
ﾌﾟｯｼｭｽｲｯﾁ
(354-1218-00)
Tone Amp Assembly
ﾄｰﾝｱﾝﾌﾟ Ass'y
(712‑0070‑00)
Variable Resistor/TONE
可変抵抗器/VR1,2
(575‑2405‑00)
RotarySwitch/SP
ﾛｰﾀﾘｽｲｯﾁ
(336‑4010‑10)
Tape Switch Assembly
ﾃｰﾌﾟｽｲｯﾁ Ass'y
(716‑0562‑00)
Rotary Sw./MONI,SP
(336‑4010‑10)/S1
Rotary Sw./COPY
(336‑3010‑10)/S2
Rotary Switch
ﾛｰﾀﾘｽｲｯﾁ / S1
(339‑0002‑00)
Input Selector Assembly
ｲﾝﾌﾟｯﾄｾﾚｸﾀ Ass'y
(716‑0566‑00)
Power Meter
ﾊﾟﾜｰﾒｰﾀ
(178-2036-10)
PilotLamp
ﾊﾟｲﾛｯﾄﾗﾝﾌﾟ/PL1,2,3
(176-3501-00)
ReceiverAssembly
受光器Ass'y
(721-0061-00)
Head Phone Assembly
ﾍｯﾄﾞﾎﾝ Ass'y
(716‑0567‑00)
Head Phone Jack
ﾍｯﾄﾞﾎﾝｼﾞｬｯｸ
(302‑1204‑00)
Selector LED Assembly
ｾﾚｸﾀLED Ass'y
(716‑0565‑08)
Foot
脚
(238-0023-00)
−４−
Attentionmarkindicatingcriticalcomponentsforsafety.
Replacementmustbemade withidenticalpartsofspecialpartnumber.
このマークのついている部品は、安全上重要な部品です。
必ず指定されている部品番号の部品を使用して下さい。

M
ISCELLANEOUS(本体その他使用部品 ）
NO.
Screwsfor
ﾈｼﾞ類
Accessories
付属品
Description(部品名)
FrontPanel/ﾌﾛﾝﾄﾊﾟﾈﾙ用
BindingScrew/ ﾊﾞｲﾝﾄﾞﾂﾒﾂｷ
PanelEndCap/ﾊﾟﾈﾙｴﾝﾄﾞｷｬｯﾌﾟ
PanHeadISOMetricScrew
SidePanel/ｻｲﾄﾞﾊﾟﾈﾙ用
OvalHeadScrew/丸ｻﾗﾈｼﾞ
BindingScrew /ﾊﾞｲﾝﾄﾞﾈｼﾞ
Washer/平ﾜｯｼｬ
TopPlate/ﾄｯﾌﾟﾌﾟﾚｰﾄ用
RoundHeadScrew
ﾌﾞﾚｻﾞｰﾂﾒﾂｷﾈｼﾞ
BindingNeil Screw
ﾊﾞｲﾝﾄﾞﾂﾒﾂｷﾈｼﾞ
BottomPlate/ﾎﾞﾄﾑﾌﾟﾚｰﾄ用
BindingNeil Screw
ﾊﾞｲﾝﾄﾞﾂﾒﾂｷﾈｼﾞ
Foot/脚用
BindingScrew /ﾌﾞﾚｻﾞｰﾀｯﾌﾟﾀｲﾄ
PowerTransformer/電源ﾄﾗﾝｽ
BindingScrew /ﾌﾞﾚｻﾞｰﾀｯﾌﾟﾀｲﾄ
OptionPanel/ｵﾌﾟｼｮﾝﾊﾟﾈﾙ
DecorationBolt/飾りﾈｼﾞ
NylonWasher/ﾅｲﾛﾝﾜｯｼｬ
Owner'sManual(多ヶ国語)
取扱説明書 (日本語)
RemoteCommander
ﾘﾓｰﾄｺﾏﾝﾀﾞ /RC-20
Battery/電池
PowerSupplyCord(Jtype)
電源ｺｰﾄﾞ (Utype)
(Etype)
PinJackCover/ﾋﾟﾝｼﾞｬｯｸｶﾊﾞｰ
ConnectorCoverforfemale
ｺﾈｸﾀｶﾊﾞｰ(雌ﾀｲﾌﾟ用)
PartsNo.(部品No.)
631-0047-00
600-0306-02
612-0308-00
604-0408-00
637-0042-07
616-0306-02
631-0054-00
631-0054-00
611-0414-02
611-0408-02
630-0302-00
637-9045-04
820-3195-00
820-0195-00
729-0020-00
569-0004-00
680-1204-00
680-2401-00
680-3402-00
254-2015-00
254-2012-00
Remarks(備考)
3×8mm 6pcs.
3×6mm 4pcs.
ﾅﾍﾞﾈｼﾞ
3×8mm 4pcs.
4×8mm 4pcs.
4mm dia.4pcs.
3×6mm 6pcs.
3×10mm 2pcs.
3×10mm 11pcs.
4×14mm 4pcs.
4×8mm 4pcs.
4pcs.
4pcs.
Multi-lingual
Japanese
RC-20
R6/UM-3単3型
2-conductor
2-conductor
3-conductor
20pcs.
4pcs.
NO.
L1〜3
1
R
1
004,5
001
a
cking
M
aterial
梱
包材
Description(部品名)
PC Boardfor
LineAmpAssembly
ToneAmpAssembly
BalancedAmpAssembly
IORelayAssembly
ConnectorBoardAss'y
VolumeAssembly
PowerAmpAssembly
ProtectionAssembly
LogicAssembly
PilotLamp/3pcs.
ﾊﾟｲﾛｯﾄﾗﾝﾌﾟ
FuseT6.3ALAC250V
ﾌｭｰｽﾞ T3.15ALAC250V
VariableResistor
可変抵抗器
ElectrolyticCapacitor
ｱﾙﾐ電解ｺﾝﾃﾞﾝｻ
CeramicCapacitor
磁器ｺﾝﾃﾞﾝｻ
OuterCartonBox
ﾀﾞﾝﾎﾞｰﾙｹｰｽ
SidePad(L)
SidePad(R)
ｻｲﾄﾞﾊﾟｯﾄﾞ
TopBoard
天地当板
Cover
保護ｶﾊﾞｰ
CaseforRemote
ﾘﾓｺﾝｹｰｽ
PolyBag
ﾋﾞﾆｰﾙ袋
CordCramper
ｺｰﾄﾞｸﾗﾝﾊﾟ
PartsNo.(部品No.)
115-1253-00
115-1254-00
115-1255-10
115-1258-20
115-1259-20
115-1268-00
115-1270-00
115-1256-10
115-1257-00
176-3501-00
310-1602-00
310-1302-00
575-2019-00
CE621WG1J223AAQ
CS17F2GA103MYAS
801-0221-04
803-0258-10
803-0259-10
803-0033-14
810-4843-04
801-0188-03
812-2030-04
812-2435-04
812-0812-04
280-0003-10
Remarks(備考)
LsmpAss'y
for100-120V
for220-240V
VolumeAss'y
22,000uF/63V
0.01uF/400V
forAC Cord
for Manual
forBattery
forAC Cord
−5−
CD
CD BAL
TUNER
OPTION-1
LINE-1
LINE-2
LINE-BAL
OPTION-2VOLUMEControl
INPUTSELECTOR

Line AmpAssembly(712-0069-00)
Ass'y
Tone AmpAssembly(712-0070-00)
Ass'y
HeatSink240-0059-04
ﾋｰﾄｼﾝｸ
ConnectorJack307-1009-00
ｺﾈｸﾀｼﾞｬｯｸ
ZenerDiodeHZ3ALL D1〜4
DiodeMA165 D5,6,7,8
ZenerDiodeHZ11C3LD51,52
ICUPC4570CIC1
2SA1175-EL,FL Q1,2,56
2SA1316-BL,GRQ3,4,11〜16
Transistors2SC3329-BL,GRQ5,6,9,10,17〜20
ﾄﾗﾝｼﾞｽﾀ 2SC2785-EL,FL Q7,8,55
2SC2547-D,EQ21,22
2SA1190-D,EQ23,24
2SC3422-O,YQ51
22SA1359-O,YQ52
C1,2,51,52 CE04W1H100AVF10uF/50V
ElectrolyticCapacitorC7〜10 CE04W1E220AVF22uF/25V
ｱﾙﾐ電解ｺﾝﾃﾞﾝｻ C11,12 CE04W1E101AVF100uF/25V
C15〜18,53,54 CE04W1E220PZ22uF/25V
PolyesterCapacitorC3,4CQ922M1H101K-B100pF/50V
ﾎﾟﾘｴｽﾃﾙｺﾝﾃﾞﾝｻ C5,6CF922MF2E152KD-A1,500pF/25
0
C55,56 CF922N1H104JMTFF 0.1uF/50V
R1,2,21 〜24 RD142EA101J 100Ω1/4
W
R3〜6,9,10,15,16 RD142EA202J 2kΩ1/4W
R1,2,21 〜24 RD142EA101J 100Ω1/4
W
R7,8RD142EA104J 100kΩ1/4
W
CarbonFilmResistorR11〜14 RD142EA220J 22Ω1/4
W
炭素皮膜抵抗器 R25〜28 RD142EA100JF10Ω1/4
W
R31,32 RD142EA470J 47Ω1/4
W
R33,34 RD142EA222J 2.2kΩ1/4
W
R35〜38 RD142EA330J 33Ω1/4
W
R39,40 RD142EA474J 470kΩ1/4
W
R41,42 RD142EA273J 27kΩ1/4
W
R51〜54 RD142EA471J 470Ω1/4
W
R55,56 RD142EA472J 4.7kΩ1/4
W
MetalFilmResistorR17,18 RN142EK1000F100.0Ω1/4
W
金属被膜抵抗器 R19,20 RN142EK9310F931Ω1/4
W
Q55
HeatSink
(240-0059-04)Q23 Q15,13
Q21 Q17,19 Q1
Q9
Q3
Q5
K1
Q4
Q12
Q10Q24Q22Q56
Q52
IC1
Q51
Q6
Q8
Q16,14 Q18,20
ConnectorJack307-0410-00 K4
ｺﾈｸﾀｼﾞｬｯｸ
308-0206-00 K1
ConnectorPlug308-0306-00 K2
ｺﾈｸﾀﾌﾟﾗｸﾞ 308-0508-00 K3
308-0304-00 K5
308-0310-00 K6
RotarySwitch336-4010-10 S1：SP
ﾛｰﾀﾘｽｲｯﾁ
VariableResistor575-2405-00 VR1,2；TONE
可変抵抗器
ICUPC4570HAIC1,2
C3,4CE04W0J101VR 100uF/6.3
V
ElectrolyticCapacitorC5,6CE04W1H2R2VR 2.2uF/50V
ｱﾙﾐ電解ｺﾝﾃﾞﾝｻ C11,12 CE04W1E220VR 22uF/25V
C13,14 CE04W1E100ARD10uF/25V
PolyesterCapacitorC1,2,9,10 CQ922M1H101K-B100pF/50
V
ﾎﾟﾘｴｽﾃﾙｺﾝﾃﾞﾝｻ C7,8CF922N1H223JMTFF 0.022uF/50
V
R5,6,19,20 RD142CA911J 910Ω1/6
W
CarbonFilmResistorR9,10 RD142CA102J 1kΩ1/6
W
炭素皮膜抵抗器 R21,22 RD142CA331J 330Ω1/6
W
R23,24 RD142CA103J 10kΩ1/6
W
R1〜4,17,18 RN142CK5491F549Ω1/6
W
MetalFilmResistorR7,8RN142CK5231F523Ω1/6
W
金属被膜抵抗器 R11,12 RN142CK1541F154Ω1/6
W
R13,14 RN142CK1431F143Ω1/6
W
R15,16 RN142CK2551F255Ω1/6
W
VR2VR1S1
IC2
K3IC1K2K1
K6K4
K5
−6−

B
alanced AmpAssembly(712-0071-00)
Ass'y
I
ORelayAssembly(716-0560-00)
Ass'y
XLR(Canon)Receptacle302-8011-00 JK1〜4
ｵｰﾃﾞｨｵｺﾈｸﾀｼﾞｬｯｸ
ConnectorPlug308-0508-00 K1
ｺﾈｸﾀﾌﾟﾗｸﾞ 308-0311-00 K2
Relay362-1212-00 RELAY1,2
ﾘﾚｨ
ICNJM4565D-AIC1
ElectrolyticCapacitorC5,6CE04W1C220VR 22uF/16V
ｱﾙﾐ電解ｺﾝﾃﾞﾝｻ C7CE04W1HR22VR 0.22uF/50V
CeramicCapacitorC1,2CC92CH1H100F10pF/50V
磁器ｺﾝﾃﾞﾝｻ C3,4CC92CH1H220J 22pF/50V
CarbonFilmResistorR11,12 RD142EA220JF22Ω1/4W
炭素皮膜抵抗器
R1,2RN142EK2002F20.0kΩ1/4W
MetalFilmResistorR3,4RN142EK1002F10.0kΩ1/4W
金属被膜抵抗器 R5,6RN142EK2052F20.5kΩ1/4W
R7,8RN142EK1022F10.2kΩ1/4W
R9,10 RN142EK4750F475Ω1/4W
JK4
ICProtector310-8251-00 2.5A
ConnectorJack307-0410-00 K4
ｺﾈｸﾀｼﾞｬｯｸ
Relay362-1202-00 RELAY1,2
ﾘﾚｨ
Diode1SR139-400 D1,2
ﾀﾞｲｵｰﾄﾞ MA165 D4,5
ElectrolyticCapacitorC1,2CE04W1E332LXZ3,300uF/25V
ｱﾙﾐ電解ｺﾝﾃﾞﾝｻ C5CE04W1E220VR 22uF/25V
CarbonFilmResistorR1RD142EA682J 6.8kΩ1/4W
炭素皮膜抵抗器 R2,3RD142EA104J 100kΩ1/4W
R4,5RD142EA433J 43kΩ1/4W
PinJack302-0411-00 JK1〜5
ｵｰﾃﾞｨｵｺﾈｸﾀｼﾞｬｯｸ
308-0618-00 K1
308-1301-00 K2
ConnectorPlug308-0508-00 K3
ｺﾈｸﾀﾌﾟﾗｸﾞ 308-0606-00 K4
308-0513-00 K5
308-0306-00 K6
LeverSwitch356-0201-00 S1
ﾚﾊﾞｰｽｲｯﾁ
Relay362-1212-00 RELAY1〜11
ﾘﾚｨ
CeramicCapacitorC1〜11 CK92Y5V1H104Z0.1uF/50V
磁器ｺﾝﾃﾞﾝｻ
PPSCapacitorC12,13 CQ922M1H222JAHS2,200pF/50V
PPSｺﾝﾃﾞﾝｻ
CarbonFilmResistorR1〜8,13,14 RD142EA101J 100Ω1/4W
炭素皮膜抵抗器 R9〜12 RD142EA104J 100kΩ1/4W
R15,16 RD142EA222J 2.2kΩ1/4W
− ７ −
JK3JK2JK1
RELAY1
K2
K1
IC1RELAY2
JK4JK3JK2JK1
K1
JK5
K2K3K4K5K6
RELAY11
RELAY9
RELAY8RELAY6
RELAY7RELAY5
RELAY4
RELAY3
RELAY1
RELAY2RELAY10
S1
C
onnectorBoardAssembly(716-0561-00)
ｺ
ﾈｸﾀﾎﾞｰﾄﾞ Ass'y
ConnectorJack307-0317-00 K2
ｺﾈｸﾀｼﾞｬｯｸ 307-3204-00 K8,9
308-0207-00 K1
ConnectorPlug308-0234-00 K3
ｺﾈｸﾀﾌﾟﾗｸﾞ 308-0324-00 K4
308-1022-00 K5
308-0817-00 K6
308-0624-00 K7
RELAY1
RELAY2
K5
K4K3
K6
K7
K8K9K2
K1
F1
C2
C1

Tape SwitchAssembly(716-0562-00)
Ass'y
Tone SwitchAssembly(716-0563-00)
Ass'y
308-0206-00 K1
ConnectorPlug308-0508-00 K2
ｺﾈｸﾀﾌﾟﾗｸﾞ 308-0407-00 K3
308-0417-00 K4
RotarySwitch336-4010-10 S1
ﾛｰﾀﾘｽｲｯﾁ 336-3010-10 S2
VariableResistor575-2312-00 VR1
可変抵抗器
S2
ConnectorPlug308-0906-00 K1
ｺﾈｸﾀﾌﾟﾗｸﾞ
LEDTLS262-CD1〜8
FlatCableHolder280-9004-00 K1
ﾌﾗｯﾄｹｰﾌﾞﾙﾎﾙﾀﾞｰ
ConnectorPlug308-0207-00 K2
ｺﾈｸﾀﾌﾟﾗｸﾞ 308-0306-00 K3
PushSwitch354-1412-00 S1,2
ﾌﾟｯｼｭｽｲｯﾁ
FlatCable673-0406-10
ﾌﾗｯﾄｹｰﾌﾞﾙ
PolyesterCapacitorC1,2CF922N1H104JMTFF 0.1uF/50V
ﾎﾟﾘｴｽﾃﾙｺﾝﾃﾞﾝｻ
CarbonFilmResistorR1,2RD142EA332J 3.3kΩ1/4W
炭素皮膜抵抗器 R3,4RD142EA240J 24Ω1/4W
− ８ −
S1VR1
K4
K2
AttenuatorAssembly(716-0564-00)
Ass'yConnectorPlug308-0407-00 K1
ｺﾈｸﾀﾌﾟﾗｸﾞ 308-0417-00 K2
PushSwitch354-1218-00 S1,2
ﾌﾟｯｼｭｽｲｯﾁ
CarbonFilmResistorR1,2RD142CA513J 51kΩ1/6W
炭素皮膜抵抗器 R3,4RD142CA752J 7.5kΩ1/6W
SelectorLEDAssembly(716-0565-00)
LEDAss'y
K3K1
S1S2
K1
K2
K3
S2S1
K2K1
K1
D8
D7
D6
D5
D4
D1
D2
D3

I
nputSelectorAssembly(716-0566-00)
Ass'y
H
ead Phone Assembly(716-0567-00)
Ass'y
ConnectorPlug308-0412-00 K1
ｺﾈｸﾀﾌﾟﾗｸﾞ
RotarySwitch339-0002-00 S1
ﾛｰﾀﾘｽｲｯﾁ
ConnectorPlug308-0234-00 K1
ｺﾈｸﾀﾌﾟﾗｸﾞ
ThermalSwitch369-0019-00 TS1
ｻｰﾏﾙｽｲｯﾁ
HeadPhoneJack302-1204-00 JK1
ﾍｯﾄﾞﾎﾝｼﾞｬｯｸ
ConnectorPlug308-0311-00 K1
ｺﾈｸﾀﾌﾟﾗｸﾞ
− ９ −
S1
V
olumeAssembly(716-0568-00)
Ass'y
ConnectorPlug308-0304-00 K1
ｺﾈｸﾀﾌﾟﾗｸﾞ 308-0408-00 K2
308-0306-00 K3
VariableResistor575-2019-00 VR1:50kΩ
可変抵抗器
T
hermalSwitchAssembly(716-0569-00)
Ass'y
K1
K1
K2
VR1
K2K1
K1TS1
K3
R
eceiverAssembly(721-0061-00)
Ass'y
L
ampAssembly(723-0071-00)
Ass'y
R2
IC1
PL2 PL1
PL3
K1
PilotLamp176-3501-00 PL1,PL2,PL3
ﾊﾟｲﾛｯﾄﾗﾝﾌﾟ
ConnectorPlug308-0530-00 K1
ｺﾈｸﾀﾌﾟﾗｸﾞ
InfraredRaySenserSBX8035-FIC1
赤 外線ﾚｼｰﾊﾞ
ElectorlyticCapacitorCE04W0J470MA47uF/6.3V
ｱﾙﾐ電解ｺﾝﾃﾞﾝｻ
CarbonFilmResistorR1RD142EA470J 47Ω1/4W
炭素皮膜抵抗器
OxideMetalFilmR2RS143FA131JS130 Ω3W
Resistor
金属酸化物被膜抵抗器
P
ilotLamp176-4501-10 PL1,2
ﾟｲﾛｯﾄﾗﾝﾌﾟ
C
onnectorPlug308-0234-00 K1
ﾈｸﾀﾌﾟﾗｸﾞ

PowerAmpAssembly(71 7-0068-00)
Ass'y
− １０ −
R12 Q6VR1
K2
K1TestPoint
K3
C8
PC Board115-1270-00
PCﾎﾞｰﾄﾞ
HeatSink240-0047-03
ﾋｰﾄｼﾝｸ
308-0207-00 K1
ConnectorPlug308-0411-00 K2
ｺﾈｸﾀﾌﾟﾗｸﾞ 308-0212-00 K3
308-0221-00 TestPoint
Potentiometer583-0134-00 VR1:1kΩ
半固 定抵抗 器
ICIC1NJM4559D-M
D1(Zener)RD8.2EW
D2,3HZ153L
DiodeD4,5MA167
D6,7 1SS81
D8,9(Zener)S5277B
Q1,4 2SA1376-K,U
Q2,3 2SC3478-K,U
Q5 2SA1145-Y
Q6 2SC2705-Y
Q7 2SA1507-S,T
Q8 2SC3902-S,T
Q9 2SC3420-GR,Y
Q10 2SA1837
Q11 2SC4793
Q12 2SA1150-O,Y
Q13 2SC2710-O,Y
Q14,16 2SA1186-O,P,Y
Q15,17 2SC2837-O,P,Y
PolyesterFilmCapacitorC2CQ922M1H152J-B1,500pF/50V
ﾎﾟﾘｴｽﾃﾙｺﾝﾃﾞﾝｻ C11,12 CF922MF2E104KD-A0.1uF/250V
C1CE04W2A4R7RB NC2 4.7uF/100V
ElectorlyticCapacitorC3,4CE04W1C100VP10uF/16V
ｱﾙﾐ電解ｺﾝﾃﾞﾝｻ C5,6CE04W1E102CA 1,000uF/25V
C7,8CE04W2A471VR 470uF/100V
17〜20
C15,16 CE04W2C100RE3 10uF/160V
PolypropyleneCapacitorC13,14 CQ922N2A682JAPSF6,800pF/100V
ﾎﾟﾘﾌﾟﾛﾋﾟﾚﾝｺﾝﾃﾞﾝｻ C21,22 CQ922N2A471JAPHF470pF/100V
C23 CQ922N2A223JAPSF0.022uF/100V
R1RD142EA105JF1MΩ1/4W
R2RD142EA471JF470 Ω1/4W
R3,4RD142EA303JF30kΩ1/4W
R5,6RD142HA472JF4.7kΩ1/2W
R7,8RD142EA220JF22Ω1/4W
CarbonFilmResistorR9,10 RD142EA471JF470 Ω1/4W
炭素皮膜抵抗器 R13,14 RD142EA102JF1kΩ1/4W
R17 RD142EA302JF3kΩ1/4W
R18 RD142EA511JF510 Ω1/4W
R21,22 RD142EA2R2JF2.2Ω1/4W
R23,24 RD142EA221JF220 Ω1/4W
R25〜28 RD142EA621JF620 Ω1/4W
R34,35 RD142EA753J 75kΩ1/4W
R40 RD142EA753JF75kΩ1/4W
FuseResistorR15,16 RSF142HBR101J 100 Ω1/2W
ﾌｭｰｽﾞ抵抗 器 R39 RF142EAR47J 0.47Ω1/4W
MetalFilmResistorR36 RN142HK3741FF 374 Ω1/2W
金属被膜抵抗器 R37 RN142EK1621F162 Ω1/2W
R38 RN142HK1690F169 Ω1/2W
OxideMetalFilmR11,12 RS143FA512JS-P5.1kΩ3W
ResistorR19,20 RS143AA201JS-P200 Ω1W
金属酸化物被膜抵抗器 R33 RS143DA470JS-P47Ω2W
MetalPlateResistorR29〜32 RW993DJR22K-H0.22Ω2W
金属 板抵抗 器
IC1
Q5
R30,32
Q8
Q10
Q14
Q16
C18,20Q12Q13
C7
C19,17
Q9
Q11
Q15
Q17
Q7
C11
Q1,3,2,4

P
rotection Assembly(720-0059-00)
Ass'y
− １１ −
L2
VR1
R19
K1
R20 RELAY1
PC Board115-1256-10
PCﾎﾞｰﾄﾞ
S
peakerTerminal313-1019-00 K1
出力 端子
308-0708-00 K2
ConnectorPlug308-0410-00 K3
ｺﾈｸﾀﾌﾟﾗｸﾞ 308-0310-00 K4
308-0324-00 K5
Relay362-3204-10 RELAY1,2
ﾘﾚｨ 362-2232-00 RELAY3
ChokeCoil 506-0008-00 L1,2
ﾁｮｰｸｺｲﾙ
Potentiometer583-0524-00 VR1,2:470 Ω
半固 定抵抗 器
ICIC1TA7318P-2
IC2UPC1237HA
DiodeD1〜5MA167
ElectorlyticCapacitorC3CE04W0J221VR 220uF/6.3V
ｱﾙﾐ電解ｺﾝﾃﾞﾝｻ C4CE04W1V4R7VR 4.7uF/35V
C5CE04W0J101VR 100uF/6.3V
PolyesterFilmCapacitorC1,2CF922N1H334J 0.33uF/50V
積層ｺﾝﾃﾞﾝｻ
PolypropyleneCapacitorC6,7CQ922N2A223KAPH0.022uF/100V
ﾎﾟﾘﾌﾟﾛﾋﾟﾚﾝｺﾝﾃﾞﾝｻ
R1,2RD142EA331JF330 Ω1/4W
R3,4RD142EA475J 4.7MΩ1/4W
R5,6RD142EA393J 39kΩ1/4W
CarbonFilmResistorR11 RD142HA333J 33kΩ1/2W
炭素皮膜抵抗器 R12,13,16 RD142EA473J 47kΩ1/4W
R14 RD142HA183J 18kΩ1/4W
R15 RD142EA243J 24kΩ1/4W
R21,25 RD142EA102JF1kΩ1/4W
OxideMetalFilmR7,8RS143DA362JS-P3.6kΩ2W
ResistorR9,10 RS143FA221JS-P220 Ω3W
金属酸化物被膜抵抗器 R17〜20 RS143DA100JS-P10Ω2W
R23 RS143AA392JS-P3.9kΩ1W
L
ogicAssembly(720-0059-00)
Ass'y
TransistorQ1 2SC3902-S,T
DiodeD1,3MA165
D2 1SR139-400
C1CE04W1E222VR 2,200uF/25V
ElectorlyticCapacitorC2CE04W1E471VR 470uF/25V
ｱﾙﾐ電解ｺﾝﾃﾞﾝｻ C3,5CE04W1E220VR 22uF/25V
C4CE04W1E470VR 47uF/25V
C6CE04W1C101VR 100uF/16V
PolyesterFilmCapacitorC7CF922N1H104J 0.1uF/50V
積層ｺﾝﾃﾞﾝｻ
CeramicCapacitorC8〜11 CK92Y5V1H104Z0.1uF/50V
磁器ｺﾝﾃﾞﾝｻ
R1RD142CA100J 10Ω1/6W
R2,RD142CA473J 47kΩ1/6W
11〜16
R3RD142EA332J 3.3kΩ1/4W
CarbonFilmResistorR4RD142CA152J 1.5kΩ1/6W
炭素皮膜抵抗器 R5RD142CA101J 100 Ω1/6W
R6,7RD142CA102J 1kΩ1/6W
R8,10 RD142CA105J 1MΩ1/6W
R9RD142CA561J 560 Ω1/6W
OxideMetalFilmR17 RN143DA2R7JSP2.7kΩ2W
Resistor
金属酸化物被膜抵抗器
ResistorArrayRA1RD92AK07C473J18
抵抗ｱﾚｨ RA2RD92AK16C473J18
PC Board115-1257-00
PCﾎﾞｰﾄﾞ
308-0213-00 K1
308-0514-00 K2
308-1303-00 K3
ConnectorPlug308-0214-00 K4
ｺﾈｸﾀﾌﾟﾗｸﾞ 308-0206-00 K5
308-0508-00 K6
308-0407-00 K7
308-0905-00 K8
I
CProtector310-8251-00 F1:2.5A
Crystal527-0012-00 XTAL1
ｾﾗﾛｯｸ IC1 426-0038-20
IC2M93C46-BN6
IC3LB1642B
I
CIC4TC74VHC14F
IC5,6TD62003P,AP
IC7NJM78M05FA
IC8TC74HC595AF
VR2
K4
IC1
K1
IC2
RELAY2
K1L1
RELAY3
R9
K4
IC1
IC3
K1K2K3
K5K6K7K8
IC5
IC6
IC8
IC2
IC4
IC7
Q1

− １４ −
Notes※1.Internal inputresistance ofvolt-ohm metershouldbehigherthan10k-ohms.
テスターは、入力抵抗10kΩ以上のものをお使い下さい。
※2.Adjustments shouldbemadeincase ofthePC BoardorTransistorsbeingchanged.
調整はPCボードあるいはトランジスタを交換した場合に行って下さい。
※3.Afterfeeding1〜10 wattsoutputforabout15 minutes,checkbiasadjustmentagain.
出力1〜10ワット前後で通電動作させた後、バイアス電流を再チェックします。
STEPADJUSTITEMPROCEDURE
ｽﾃｯﾌﾟ 調整項目 TESTEQ'PT CONNECTINGPOINT
検出器 接続点
BiasCurrentofLch.
PowerAmp
Lch.バイアス電流
V.O. Meter
setrangeto
less than
DC0.3V
ﾃｽﾀｰ
DC0.3V以下
のﾚﾝｼﾞ
BiasCurrentofRch.
PowerAmp
Rch.バイアス電流
PowerAmpAss'y
ﾊﾟﾜｰｱﾝﾌﾟAss'y
(717-0068-00)
TestPointpin
ﾃｽﾄﾎﾟｲﾝﾄ
VR1
forLch.
VR1
forRch.
Adjustfor5mV
readingof
V.O. meter
ﾃｽﾀｰの指示
5mVに調整する
1
2
ADJUSTREMARKS
調整箇所 調整・備考
Peak-0dB Calibration
forLch.
Lch.0dB較正
VTVM
Input:1kHz
SineWave
入力 :1kHz
正弦波
Load:None
無負荷
Peak-0dB Calibration
forRch.
Rch.0dB較正
SpeakerTerminal
出力端子
VR1
forLch.
VR2
forRch.
Adjustinputsignalso
thatVTVMreads
28.3V.ThenadjustVR1
andVR2sothatmeter
read0dB.
VTVMの指示が28.3Vに
なる入力信号を入れ､ﾒｰﾀ
の 指示が0dBとなる よ
う
にVR1,2を調整する｡
3
4
TestPoint
TestPoint
MeterCalibration/メータ調整
Rch.0dBLch.0dB

−1３ −
RemoteCommander
ﾘﾓｰﾄｺﾏﾝﾀﾞ RC-20
(729-0020-00)
CaseforRC-20
ﾘﾓｺﾝｹｰｽ
(801-0188-03)
PolyBagforACcord
ﾋﾞﾆｰﾙ袋/電源ｺｰﾄﾞ
(812-2030-04)
Battery:R6/UM3
電池 /単3型
(569-0004-00)PolyBagforBattery
ﾋﾞﾆｰﾙ袋 /電池用
(812-0507-00)
PolyBagforOwner'sManual
ﾋﾞﾆｰﾙ袋 /取扱説明書
(812-2435-04)
SidePad(L)
ｻｲﾄﾞﾊﾟｯﾄﾞL
(803-0258-10)
SidePad(R)
ｻｲﾄﾞﾊﾟｯﾄﾞR
(803-0259-10)
TopBoard
天地当板
(803-0033-14)
OuterCartonBox
ダンボールケース
(801-0221-04)
Cover
保護カバー
(801-4843-04)

− １２ −
Theunitcanbeused withdifferntvoltage of100V,120V,230V.
(UsetheJapanese domesticmodelat100Vonly,andneverchange the voltage inJapan.)
Referthephotoandillustrationforthewiringonthejunctionterminalas shownbelow,
andhave toselect thecorrectfuseandpowersupplycord.
電源電圧は、100V､120V､230Vに対応できますが以下はその方法を示します 。
（日本国内は100V仕様ですので 、この電圧以外の変更は出来ません ）
電源電圧の変更をする場合は、フューズ、電源コードは以下の指定されたコー ドを使用します 。
100V
120V
230V
1
WHT,GRY
WHT,GYY
WHT
2
VIO
VIO
VIO
3
YEL
BRN
YEL,GRY
4
BRN,RED
YEL,ORG
ORG
5
ORG
RED
RED
6
BRN
Fuse/
310-1602-00 T6.3ALAC250V
310-1602-00 T6.3ALAC250V
310-1302-00 T3.15ALAC250V
680-1204-00
680-2401-00
680-3402-00
1
2
3
4
5
6
N
(W)N (W)
AC100/120/230V
50/60Hz
Fuse
T6.3AL250Vforat100-120V
(310-1602-00)
T3.15AL250Vforat220-240V
(310-1302-00)
S001 F1
1
1
2
2
C001
103/2G
PowerTransformer
(510-3019)
toK1ofConnector
BoardAss'y
toK1ofLogicAss'y
S002 ORG
RED
GRY
YEL
BRN
WHT
VIO
BLK
ORG
BLK
ORG
RED
BLK
RED
GRY
BLU
GRY
BLU
PowerTransformer
(510-3019-00)
AC Inlet/ACｺﾈｸﾀ
(301-3304-00)
Fuse/ﾌｭｰｽﾞ
for100-120V;
T6.3ALAC250V
(310-1602-00)
for220-240V;
T3.15ALAC250V
(310-1302-00)
C001;0.01uF/400V
AC Outlet/ACｿｹｯﾄ
(305-1209-00)
Terminal/端子板
(313-4064-00)
Attentionmarkindicatingcriticalcomponentsforsafety.
Replacementmustbemade withidenticalpartsofspecialpartnumber.
このマークのついている部品は、安全上重要な部品です。
必ず指定されている部品番号の部品を使用して下さい。
654321

2-14-10 SHIN-ISHIKAWA,AOBA-KU,YOKOHAMA,JAPAN2001-8 861-3122-00
PrintedinJapan
SPECIFICATIONS[Guaranteed specificationsaremeasured according toEIAstandardRS-490.]
(bothchanneldriven,20 -20,000Hz)
140 wattsperchannel into 4 ohms
120 wattsperchannel into 6 ohms
100 wattsperchannel into 8 ohms
(bothchanneldriven,20 -20,000Hz)
0.01%with 4 to 16 ohmsload
0.01%
HIGHLEVELINPUT/MAININPUT
20-20,000Hz+0,-0.2dB(forcontinuousaverage output)
2-150,000Hz+0,-3.0dB(for1watt output)
100 (with 8-ohmload ,50Hz)
Sensitivity
Input for rated output for1watt output(EIA)Input Impedance
HIGHLEVEL 113mV11.2mV20kΩ
BALANCED113mV11.2mV40kΩ
MAININPUT1.13V112mV20kΩ
PREOUTPUT:1.13V,50 ohms
(atrated continuousaverage output)
MAININPUT→OUTPUT:28dB
HIGHLEVELINPUT→PREOUTPUT:20dB
Turnoverfrequency and adjustmentrange
BASS :300Hz±10dB(50Hz)
TREBLE3kHz±10dB(20kHz)
+6dB(100Hz) (Volumecontrolsetting -30dB)
-20dB
Inputshorted,IHF-Aweighting
InputS/Nratio atrated inputS/Nratio(EIA)
HIGHLEVEL 104dB80dB
BALANCED88dB80dB
MAININPUT122dB100dB
Logarithmic compression,peakreading metersdBscale
4-16 ohms
Suitableimpedance:4-100 ohms
120V/230V(Voltage asindicated on rearpanel)
AC,50/60Hz
50 wattsidle
240 wattsin accordancewithIEC-65
Width 475 mm (18-11/16")
Height170mm (6-11/16")
Depth 424mm (16-11/16")
21.6kg(47.6lbs)net
26.0kg(57.3lbs)inshipping carton
(両チャンネル同時動作 20〜20,000Hz間)
140 W/ch 4 Ω負荷
120 W/ch 6 Ω負荷
100 W/ch 8 Ω負荷
(両チャンネル同時動作 20〜20,000Hz間)
0.01%4〜16Ω
0.01%
HIGHLEVELINPUT/MAININPUT
定格連続平均出力時 :20〜20,000Hz0-0.2dB
1W出 力時 :2〜150,000Hz0-3.0dB
100 (8Ω 負荷 50Hz)
入力 感度
入力 端子 定 格出力 時 EIA(1W出力)入力ｲﾝﾋﾟｰﾀﾞﾝｽ
HIGHLEVEL 113mV11.2mV20kΩ
BALANCED113mV11.2mV40kΩ
MAININPUT1.13V112mV20kΩ
PREOUTPUT1.13V50 Ω(定格連続出力時)
HIGHLEVELINPUT→PREOUTPUT:20dB
MAININPUT→OUTPUT:28dB
低音 :300Hz±10dB(50Hz)
高音 :3kHz±10dB(20kHz)
+6dB(100Hz):VOLUME-30dBにて
-20 dB
入力ショート(A-補正)
入力 端子 定 格出力 時S/N入力換算雑音 EIA S/N
HIGHLEVEL 104dB-123dBV 80dB
BALANCED88dB-107dBV 80dB
MAININPUT122dB-121dBV 100dB
対数圧縮型ピークレベル表示、出力のdB目盛
4〜16Ω
適合インピーダンス 4〜100 Ω
AC100V50 /60Hz
50W無入 力時
240W電気用品取締法
385W8Ω負荷定格出力時
法
幅475mm ×高さ170mm ×奥行424mm
21.4kg
−1５ −

K3
K2
K1+
-
Volume Ass'y
K6
K3
K5
K4 K2
K1
Tone Amp. Ass'y
K1
Head Phone Ass'y
K6
K1 K3
K2
K5
K4
I/O Relay Ass'y
K1 K2
Attenuator Ass'y K4
K2K3
K1A,B
K5
Protection Ass'y
+
-
Meter Lch
+
-
Meter Rch
+
Left
+Right
A Speakers
A Speakers
-
-
2 1
S001
C005
223
/1J
C001
103
/2G
C003
103K
/2D
R001
363
2H
D001
S15VB20
N
(W)
AC100/120/230V
50/60Hz
C002
103K
/2D C004
223
/1J
R002
363
2H
(W)
N2
1
3
4
5
6
Voltage selection table
100V
120V
230V
123456
WHT,GRY
WHT,GRY VIO
VIO
VIOWHT
YEL BRN,RED ORG
BRN YEL,ORG RED
YEL,GRY ORG RED BRN
for 510-3019
WHT
VIO
BRN
YEL
GRY
RED
ORG
BLU
BLU
RED
BLK
RED
GRY
GRY
ORG
BLK
ORG
BLK
Power Transformer 510-3019
K3
K2
K1
Rch Power Amp. Ass'y
K3
K2
K1
Lch Power Amp. Ass'y
K1
K2
Balanced Amp. Ass'y
K3
K1
K2
Tone Sw. Ass'y
K9
K5 K3
K6
K1
K7
K2
K8
K4
Connector board Ass'y
K1
Line Amp. Ass'y
K1
K2 K6
K5K3
K7
K8K4
Logic Ass'y
K1
K3K2
K4
Tape switch Ass'y K1
Lamp Ass'y
K1
Input selector Ass'y
K1
Selector LED Ass'y
K1
Receiver Ass'y
12 F1
T6.3A L250V at 100-120V
T3.15A L250V at 220-240V
GRN YEL
WHT
BLK
RED
VIO
GRN
YEL
RED
VIO
RED
VIO
Option2 Board
VIO
BLK
28.3V/8ohm
716-0560
712-0071
716-0564
716-0568
716-0562
716-0563
712-0070
721-0060
716-0561
716-0566
716-0565
721-0061
717-0068
717-0068
720-0059
716-0567
723-0071
712-0069
Option1 Board
I
G
O
IC001
NJM78M05FA
K1
Thermal Sw. Ass'y
716-0569
+
Left
+Right
B Speakers
B Speakers
-
-
28.3V/8ohm
BLK
2 1
S001
!
!!
!
!
!Attention mark indicating critical components for safety.
Replacement must be made with identical parts of specified part number.
CAUTION
E-307 MASTER CIRCUIT DIAGRAM
- 16 -

E-307 LINE AMP ASS'Y (712-0069-00)
- 17 -
Q1
2SA1175-EL,FL
R11
220
R13
220
Q7
2SC2785-EL,FL
R3
202
R5
202
R9
202
R15
202
R17
1000F
R19
9310F
R21
101
R23
101
R27
100
D1
HZ3ALL
D3
HZ3ALL
R7
104
D7
MA165
D5
MA165
R1
101
R41
273
R39
474
C1 100
/1H
R25
100
C7
220
/1E
+16.7V
AGND
-16.7V
-12V
+12V
R-AOUT
R-AIN
GND
L-AIN
L-AOUT
Q56
2SA1175-EL,FL
R54
471
R52
471
Q52
2SA1359-O,Y
C51
100
/1H
R51
471
R53
471
Q55
2SC2785-EL,FL
Q51
2SC3422-O,Y
D51
HZ11C3L
D52 HZ11C3L
C52
100
/1H
R55
472
R56
472
C53
220
/1E
C54
220
/1E
+12V
-12V
Q2
2SA1175-EL,FL
R12
220
R14
220
Q8
2SC2785-EL,FL
R4
202
R6
202
R10
202
R16
202
R18
1000F
R20
9310F
R22
101
R24
101
R28
100
D2
HZ3ALL
D4
HZ3ALL
R8
104
D8
MA165
D6
MA165
R2
101 R32 470
R34
222
R42
273
R40
474
C2 100
/1H
R26
100
R36
330
R38
330 -12V
R31
470
R33
222
R35
330
R37
330
+12V
-12V
-12V+12V
Q23
2SA1085-D,E
Q24
2SA1085-D,E
Q22
2SC2547-D,E
Q21
2SC2547-D,E
>150mA
<70mA
C12
101
/1E
C11
101
/1E
1
2
3
4
5
6
7
8
9
10
K1
C9
220
/1E
C8
220
/1E
C10
220
/1E
C55
104
C56
104
6
5
7
IC1B
UPC4570C
Q4
2SA1316_
-BL,GR
Q12
2SA1316_
-BL,GR
Q16
2SA1316_
-BL,GR
Q14
2SA1316_
-BL,GR
Q3
2SA1316_
-BL,GR
Q11
2SA1316_
-BL,GR
Q15
2SA1316_
-BL,GR
Q13
2SA1316_
-BL,GR
Q5
2SC3329_
-BL,GR
Q9
2SC3329_
-BL,GR
Q19
2SC3329_
-BL,GR
Q17
2SC3329_
-BL,GR
Q10
2SC3329_
-BL,GR
2
3
1
84
IC1A
UPC4570C
Q18
2SC3329_
-BL,GR
Q20
2SC3329_
-BL,GR
Q6
2SC3329_
-BL,GR
C4
101K
C3
101K
C6
152
C5
152
C16
220
/1E
C18
220
/1E
C15
220
/1E
C17
220
/1E
1A
2A 3A 4A
5A
S2A
1A
2A
3A 4A
5A
S1A
5B
1B
2B 3B
4B
S1B
5B
1B 2B 3B
4B
S2B
1>2 Relay
2>1 Relay DGND
Tape2 SW
Rec Off SW
Tape Recorder
to IO Relay Ass'y K4 (pin1,2)
Tape 2
Tape 1
Sorce
Rec Off
2>1Off1>2
Tape Copy
Tape1 SW
to Logic Ass'y K2
Rec On SW
1 2
K1
308-0206-00
1 2 3 4 5
K2
308-0508-00
BalVol-Lout
1A 3A
2A
VR1A
575-2312-00
3B1B
2B
VR1B
575-2312-00
BalVol-Rout
GND
GND
to Vol. Ass'y K2
1 2 3 4
K3
308-0407-00
L-ch Input GND GND R-ch Input
from Att. Ass'y K1
1
2
3
4
K4
308-0417-00
TAPE SWITCH ASS'Y (716-0562-00)
ToneMode
from Lch Line Amp. Output
from Rch Line Amp. Output
Lch Pre Output
Rch Pre Output
from Lch Tone Amp. Output
from Rch Tone Amp. Output
C1
104
C2
104
R2
332
Rch Volume Tap
Lch Volume Tap
to Volume Ass'y K3
to Tone Amp. Ass'yK4
AGND
1
2
3
K3
308-0306-00
to IO Relay Ass'y K5
1
2
3
4
K1
280-9004-00
1
2
K2
308-0207-00
R4 240
R3 240
R1
332
1
2
3
4
5
6
7
8
9
10
11
12
S1
1
2
3
4
5
6
7
8
9
10
11
12
S2
TONE SWITCH ASS'Y (716-0563-00)

3A1A
2A 4A
VR1A
575-2405-00
3A1A
2A 4A
VR2A
575-2405-00
-12V
LIN GND RIN +12V
from Connector Ass'y K6 ( pin4to8)
R35491F 2C
R5
911
2C
C13
100
/1E
C1 101
C3
101 /0J
C5
2R2K
/1H
R1
5491F
2C
R9
102 2C
R111541F
2C
R7 5231F
2C
C7
223 R13
1431F
2C
R15 2551F
2C
R19
911
2C
R17
5491F 2C
C9 101
R21
331
2C
C11
220
/1E
R23
103
2C
C14
100
/1E
3B1B
2B 4B
VR1B
575-2405-00
3B1B
2B 4B
VR2B
575-2405-00
R4
5491F 2C
R6
911
2C
C2 101
C4
101 /0J
C6
2R2K
/1H
R10
102 2C
R12 1541F
2C
R8 5231F
2C
C8
223
R16 2551F
2C
R20
911
2C
R18 5491F 2C
C10 101
R22
331
2C
C12
220
/1E
R24
103
2C
R14
1431F
2C
3
42
15
IC1A
UPC4570HA
7
68
9
IC1B
UPC4570HA
3
42
15
IC2A
UPC4570HA
7
68
9
IC2B
UPC4570HA
to Tone Sw Ass'y K1
L In L Out R Out R In
R2
5491F
2C
1 2 3 4 5
K3
308-0508-00
1 2 3 4
K4
307-0410-00
1A
2A
3A 4A
5A
S1A
5B
1B
2B 3B
4B
S1B
A-SP B-SP
SPEAKER
A+B
B
A
Off
Common
from Protection Ass'y K5
1 2 3
K2
308-0306-00
1 2
K1
308-0206-00
to Th. Sw. Ass'y KI
from Protection Ass'y K4to Meter
meter com Lch Rch meter com Lch Rch
1 2 3
K5
308-0304-00
1 2 3
K6
308-0310-00
E - 3 0 7 T O N E A M P A S S ' Y ( 7 1 2 - 0 0 7 0 - 0 0 )
2
31
84
IC1A
NJM4565D-A
6
57
IC1B
NJM4565D-A
1
4
6
8
16
13
11
9
RELAY2
362-1212-00
1
4
6
8
16
13
11
9
RELAY1
362-1212-00
C7 R22
/1H
R1
2002F
R3
1002F
R7
1022F
R5
2052F
R9
4750F
R10
4750F
R2
2002F
R6
2052F
R4
1002F
R8
1022F
R11
220J
R12
220J
C5
220
/1C
C6
220
/1C
+12.2V
PGND
-12.2V
BALR
AGND
BALL
RLY_CB/LB
+12V
/RYLB
+12V
To
I/O Relay
/RYLB +12V+12V
/RYLB
C3
220J
C4
220J
C2
100F
C1
100F
CD BAL
LINE BAL
1
2
3
4
5K1
308-0508-00
2
3
1
1G
JK1
302-8011-00
2
3
1
1G
JK2
302-8011-00
2
3
1
1G
JK3
302-8011-00
2
3
1
1G
JK4
302-8011-00
R
L
R
L
From
Line Amp
1
2
3K2
308-0311-00
B A L A N C E D A M P A S S ' Y ( 7 1 2 - 0 0 7 1 - 0 0 )
- 18 -
LEDCOM LED1 LED2 LED3 LED4 LED5 LED6 LED7 LED8
/LED1 /LED2 /LED3 /LED4 /LED5 /LED6 /LED7 /LED8
D1
TLS262_-C
D2
TLS262_-C
D3
TLS262_-C
D4
TLS262_-C
D5
TLS262_-C D6
TLS262_-C D7
TLS262_-C
D8
TLS262_-C
1 2 3 4 5 6 7 8 9
K1
308-0906-00
SELECTOR LED ASS'Y
(716-0565-00)
1
2
3 4
5
6
7
8
910
11
12
13 1415
16
S1
SEL_A SEL_B SEL_C DGND
1 2 3 4
K1
308-0412-00
INPUT SELECTOR ASS'Y
LOUT
ROUT
GND
1
2
3
K1
308-0311-00
from Protection Ass'y K2 (pin4to6)
R
L
G
JK1
302-1204-00
HEAD PHONE ASS'Y
(716-0566-00)
(716-0567-00)

Rch Lch
TUNER
Rch Lch
CD
Rch Lch
LINE1
Rch Lch
LINE2
Rch Lch
PLAY1
Rch Lch
REC1
Rch Lch
PLAY2
Rch Lch
REC2
Line2
T1>T2 T1/T2 T2>T1 Line1 CD Tuner S/T
T1>T2 T2>T1 SEL-R GND SEL-L
to Att. Ass'y
BALR +12V BALL
from Balanced Amp Ass'y
C12
222
C13
222
to Logic Ass'y
RLY_OP1 RLY_CB/LB RLY_BIN RLY_CD
RECoff Line2 Line1 CD Tuner S/T
R8
101 R7 101 R6 101 R5 101 R4 101 R3 101 R2 101 R1 101
GND
R14
101
R13
101
T1>T2 T2>T1
+12V+12V+12V +12V+12V+12V +12V+12V
+12V
1A 1G
1B
2A 3G
2B
5G 2G 4G
JK4
302-0411-00
1A 1G
1B
2A 3G
2B
5G 2G 4G
JK3
302-0411-00
1A 1G
1B
2A 3G
2B
5G 2G 4G
JK2
302-0411-00
1A 1G
1B
2A 3G
2B
5G 2G 4G
JK1
302-0411-00
C10
104 C9 104 C8 104
RECoff
+12V
1A 1G
1B
2A 3G
2B
5G 2G 4G
JK5
302-0411-00
RchLch
PRE OUT
RchLch
MAIN IN
PreOut
1 2 3
K6
308-0306-00
PREOUT-L GND PREOUT-R
from Tone Amp Ass'y
+12V
RLY_TUN RLY_L1 RLY_L2 RLY_S/T RLY_REC RLY_POUT +12V
1 2 3 4 5
K3
308-0508-00
RLY_CB/LB
PreOut
+12V
Bal
Lch Com
Rch Com
Bal
+12V
CB/LB
CB/LB
to Tape Sw Ass'y
Option1 Option2
to Connector Board Ass'y
Option2 SelOp-R GND SelOp-L +12V
+12V
GND
C1
104
C2
104
C3
104
C4
104
C7
104 C5 104
C6
104
C11
104
1
4
6
8
16
13
11
9
RELAY1
362-1212-00
1
4
6
8
16
13
11
9
RELAY2
362-1212-00
1
4
6
8
16
13
11
9
RELAY3
362-1212-00
1
4
6
8
16
13
11
9
RELAY4
362-1212-00
1
4
6
8
16
13
11
9
RELAY8
362-1212-00
1
4
6
8
16
13
11
9
RELAY9
362-1212-00
1
4
6
8
16
13
11
9
RELAY10
362-1212-00
1
4
6
8
16
13
11
9
RELAY7
362-1212-00
1
4
6
8
16
13
11
9
RELAY5
362-1212-00
1
4
6
8
16
13
11
9
RELAY6
362-1212-00
1
4
6
8
16
13
11
9
RELAY11
362-1212-00
RLY_OP2 Option2
Option1
Option1
1 2 3 4 5 6
K1 308-0618-00
R16
222
R15
222
1 2 3 4 5 6 7 8 9 10 11 12 13
K2
308-1301-00
T1/T2
RLY T1/T2
1 2 3 4 5 6
K4 308-0606-00
GND MainIn-L GND MainIn-R
to Power Amp Ass'y
GND
to Power Amp Ass'y from Trans
1 2 3 4 5
K5
308-0513-00
1A
2A
3A
S1A
356-0201-00
1B
2B
3B
S1B
356-0201-00
R9
104
R10
104
R11
104
R12
104
Lch Com
Rch Com
Lch Com
Rch Com
E-307 IO RELAY ASS'Y (716-0560-00)
- 19 -