Yamaha SYSTEM45 User manual

SERVICE MANUAL
CPX8CPX8M
CONTENTS
SPECIFICATIONS .................................................. 2
PANEL LAYOUT ..................................... 4
OVERALL ASSEMBLY ............................................ 5
ELECTRICAL PARTS ............................................ 7
CIRCUIT BOARD ............................................ 9
CIRCUIT DIAGRAM ....................................... 9
SENSOR PICKUP
ELECTRIC ACOUSTIC GUITAR
SYSTEM45
SYSTEM45
EG 011790 PDF-K784 Printed in Japan ’05.08
HAMAMATSU, JAPAN
CPX8/CPX8M : 20001001-90000
CPX8SY : 20010301-90000
CPX8-12 : 20010501-95000
FPX-300 : 20010501-60000
CJX12SA BL : 20010901-85000
DESTINATION MODEL No.
Y APX9C, DWX7C, LJX6C,
LLX6SN
J,Y CPX8, CPX8M, CPX8SY,
CPX8-12, CJX12SA BL,
FPX300
(目次)
(総合仕様)
(パネルレイアウト)
(総組立)
(電気部品)
(シート基板図)
(シート回路図)

SYSTEM45
2
IMPORTANT NOTICE
This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed
that basic service procedures inherent to the industry, and more specifically Yamaha Products, are already known and under-
stood by the users, and have therefore not been restated.
WARNING : Failure to follow appropriate service and safety procedures when servicing this product may result in per-
sonal injury, destruction of expensive components and failure of the product to perform as specified. For
these reasons, we advise all Yamaha product owners that all service required should be performed by an
authorized Yamaha Retailer or the appointed service representative.
IMPORTANT : This presentation or sale of this manual to any individual or firm does not constitute authorization certifi-
cation, recognition of any applicable technical capabilities, or establish a principal-agent relationship of
any form.
The data provided is belived to be accurate and applicable to the unit(s) indicated on the cover. The research engineering, and
service departments of Yamaha are continually striving to improve Yamaha products. Modifications are, therefore, inevitable
and changes in specification are subject to change without notice or obligation to retrofit. Should any discrepancy appear to
exist, please contact the distributor’s Service Division.
WARNING : Static discharges can destroy expensive components. Discharge any static electricity your body may have
accumulated by grounding yourself to the ground bus in the unit (heavy gauge black wires connect to
this bus.)
IMPORTANT : Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply power
to the unit.
WARNING: CHEMICAL CONTENT NOTICE!
The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (Where
applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and possibly
other entities) to cause cancer and/or birth defects or other reproductive harm.
DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHAT
SO EVER!
Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose
eyes to solder/flux vapor!
If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling
food.
SPECIFICATIONS
System SYSTEM-45 (Monaural 2 way)
Pickup • Bar Sensor (Piezo type)
• Condenser Mic (with gooseneck)
Pre-amplifier Controls VOL., MIC.VOL., EQ control for bar sensor
(piezo) : HIGH, MID, LOW,
AMF, PHASE(Phase switch for mic)
Output jack Combination end pin/power switch
Output impedance 1 kΩ
Power supply 9V DC, S-006P (6F22) dry cell battery
Battery life Approx. 350 hours
総合仕様
システム
SYSTEM-45(モノラル-2way)
ピックアップ
・バーセンサー(ピエゾタイプ)
・コンデンサーマイク(フレキシブルパイプ付)
コントロール
VOL.、MIC.VOL.、バーセンサー(ピエゾ)用EQコントロール:
HIGH,MID,LOW、AMF、PHASE(マイク用フェイズスイッチ)
出力ジャック エンドピン/電源スイッチ兼用
出力インピーダンス 1kΩ
電源 DC9VS-006P(6F22)乾電池使用
電源寿命 約350時間

SYSTEM45
3
• FPX300
• CJX12SA BL• APX9C • CPX8SY
• DWX7C• CPX8M-12
• LJX6C

SYSTEM45
4
1VOL. (Volume) Control
2BATT. (Battery Check) Indicator
3PHASE switch for the MIC
4MIC. VOL.
5Equalizer Controls for the Bar Sensor (Piezo)
6AMF Control
PANEL LAYOUT
Pickups
Battery Holder
Control Section
Output Jack (with power switch function)
Pickup
Bar Sensor
Pickup
Condenser Mic
Control Panel
A
M
F
1
2
5
6
4
3
(パネルレイアウト)
(ピックアップ部)
(ピックアップ)
(バーセンサー)
(コントロール部)
(乾電池ホルダ)
(ピックアップ)
(コンデンサーマイク)
(電源スイッチ兼用出力ジャック)
(コントロールパネル)
1音量調節
2バッテリーチェックランプ
3MIC用PHASE(位相反転)スイッチ
4コンデンサーマイクの音量調節
5バーセンサー(ピエゾ)用イコライザー
6AMFコントロール

SYSTEM45
5
OVERALL ASSEMBLY
1
10
6
2
4
3
5
9
8
7
A
A
13
P150 P160
P100
P120
P170 P80
P60
P100
P70
P70
P10 P20
P130
P140
P90
P50
P110
P40
12
P30
Pre-amplifier assembly
(総組立)
(アンプ Assy)

SYSTEM45
6
: New Parts RANK: Japan only
*
*
*
*
*
*
*
*
*
*
OVERALL ASSEMBLY SYSTEM45
1 Pickup Assembly PU-L 13
2 Connector Housing XHP-2P 01
3 Pre-amplifier Assembly AMP-Z2
4 Pan Head Screw 3.0X10 BL 2
5 Floating Nut 0.6t 203
6 Truss Head Screw 2.5X6 BL 401
7 Cord Clamp 202
8 Battery Holder 05
9 Cushion 03
10 Cord with Jack Z2
12 Rotary Knob VOL./MIC VOL. 2 05
13 Oval Head Tapping Screw 2.0X10 ZN-BL 2
Pre-amplifier Assembly AMP-Z2
P10 Eschutcheon, Amplifier Z(CPX8)
P20 Panel Z2
P30 Slide Knob LOW/MID/HIGH/AMF 4 08
P40 Push Knob PHASE 02
P50 Case LOWER
P60 Case UPPER
P70 Truss Head Screw 2.5X6 BL 401
P80 Pan Head Tapping Screw 3.0X5 NI 401
P90 Bind Head Tapping Screw 3.0X5 BL 4
P100 Toothed Lock Washer A3.0 602
P110 Circuit Board Z2
P120 Sticker CE(S) (QC34120)
P130 Dust-proof Sheet (QC58910)
P140 Adhesive Tape (QC58920)
P150 Pickup Assembly MIC(YAMAHA MC-7XH)
P160 Pan Head Tapping Screw 2.6X6 NI 201
P170 Connector Housing XHP-2P 01
VS950500
LB009020
QC588200
QC271600
QC271500
VT805400
VC668400
QC111900
QC112000
QC589900
QC187700
V5612400
QC588200
QC588500
QC588600
QC200500
QC270900
QC588800
QC588700
VT805400
QC271700
QC187900
QC224900
QC588300
--
--
--
V6255100
QC399700
LB009020
REF NO.
PART NO. DESCRIPTION REMARKS
QTY RANK
総組立
PU−Assy L
XHコネクタハウジング
アンプAssy(Z2)
+ナベ小ネジ
フローティングナット
+トラス小ネジ
コード固定片
乾電池ホルダ
乾電池ホルダクッション
ジャック付コード
ロータリーツマミ
丸皿タッピングネジ
アンプAssy(Z2)
アンプ取付枠(Z)
取付枠パネル(Z2)
スライドツマミ
プッシュツマミ
アンプケース下
アンプケース上
+トラス小ネジ
+ナベタッピングネジ
+バインドタッピングネジ
歯付座金内歯形
Z2シート
CEマークシール(小)
防塵シート
両面テープ
マイク MC7XH
+ナベタッピングネジ
XHコネクタハウジング
部品名

SYSTEM45
7
ELECTRICAL PARTS
: New Parts RANK: Japan only
*
*
*
*
*
*
*
*
*
*
ELECTRICAL PARTS SYSTEM45
Circuit Board Z2 (QC58840)
Circuit Board Z2 (QC58840)
LED Spacer 17.7L 02
Battery Holder B Snap I-type 250L 04
Bushing KG-74 02
Angle Bracket A
Angle Bracket B
Pan Head Screw 2.0X2.5 301
C1 Ceramic Capacitor (chip) 0.010 K 01
C2 Ceramic Capacitor (chip) 100P J 01
C3 Ceramic Capacitor (chip) 0.018 K 01
C4 Ceramic Capacitor (chip) 6800P K 01
C5 Ceramic Capacitor (chip) 0.010 K 01
C6 Electrolytic Cap. 0.330 50V 01
C7 Ceramic Capacitor (chip) 0.010 K 01
C8 Ceramic Capacitor (chip) 0.033 K 01
C9 Ceramic Capacitor (chip) 1200P K 01
C10 Ceramic Capacitor (chip) 100P J 01
C11 Ceramic Capacitor (chip) 47P J 01
C12 Ceramic Capacitor (chip) 100P J 01
C13 Ceramic Capacitor (chip) 22P J 01
C14 Ceramic Capacitor (chip) 0.033 K 01
C15 Ceramic Capacitor (chip) 0.068 K
C16 Ceramic Capacitor (chip) 0.068 K
C17 Ceramic Capacitor (chip) 0.150 Z
C21 Electrolytic Cap. 10.00 16V 01
C22 Ceramic Capacitor (chip) 0.100 Z
C23 Ceramic Capacitor (chip) 0.068 K
C25 Ceramic Capacitor (chip) 22P J 01
C26 Ceramic Capacitor (chip) 0.010 K 01
C27 Ceramic Capacitor (chip) 100P J 01
C31 Ceramic Capacitor (chip) 100P J 01
C32 Ceramic Capacitor (chip) 22P J 01
C33 Ceramic Capacitor (chip) 0.010 K 01
C34 Electrolytic Cap. 10.00 16V 01
C35 Ceramic Capacitor (chip) 0.010 K 01
C36 Electrolytic Cap. 47.00 16V
C37 Electrolytic Cap. 47.00 16V
CN1 Connector Base Post B2B-XH-A 01
CN2 Connector Base Post B3B-XH-A 01
CN3 Connector Base Post B2B-XH-A 01
IC1 IC NJM062M OP AMP
-3 IC NJM062M
IC1 IC TL062CPS 03
-3 IC TL062CPS 03
LED1 LED RE (3X5) BATT. 01
R1 Carbon Resistor (chip) 1.0K J 01
R2 Carbon Resistor (chip) 4.7M J 01
R3 Carbon Resistor (chip) 6.8K J 01
R4 Carbon Resistor (chip) 82K J 01
R5 Carbon Resistor (chip) 10K J 01
R6 Carbon Resistor (chip) 47.0 J 01
R7 Carbon Resistor (chip) 15K J 01
R8 Carbon Resistor (chip) 4.7K J 01
R9 Carbon Resistor (chip) 33K J 01
R10 Carbon Resistor (chip) 10K J 01
R11 Carbon Resistor (chip) 10K J 01
R12 Carbon Resistor (chip) 8.2K J 01
R13 Carbon Resistor (chip) 8.2K J 01
R14 Carbon Resistor (chip) 330 J 01
R15 Carbon Resistor (chip) 330 J 01
R16 Carbon Resistor (chip) 3.3K J 01
R17 Carbon Resistor (chip) 3.3K J 01
R18 Carbon Resistor (chip) 18K J 01
R21 Carbon Resistor (chip) 10K J 01
-23 Carbon Resistor (chip) 10K J 01
R25 Carbon Resistor (chip) 22K J 01
R26 Carbon Resistor (chip) 1.0K J 01
QC588300
QC588300
VT188900
VR043800
VR047100
QC588900
QC589000
QC615300
UB014100
UB052100
UB014180
UB013680
UB014100
UF065330
UB014100
UB014330
UB013120
UB052100
UB051470
UB052100
UB051220
UB014330
FX804250
FX804250
FX804260
UI337100
AAX18830
FX804250
UB051220
UB014100
UB052100
UB052100
UB051220
UB014100
UI337100
UB014100
AAX18840
AAX18840
LB918020
LB918030
LB918020
XD091A00
XD091A00
XN309A00
XN309A00
VG261500
RD256100
RD259470
RD256680
RD257820
RD257100
RD254470
RD257150
RD256470
RD257330
RD257100
RD257100
RD256820
RD256820
RD255330
RD255330
RD256330
RD256330
RD257180
RD257100
RD257100
RD257220
RD256100
REF NO.
PART NO. DESCRIPTION REMARKS
QTY RANK
(電気部品)
電気部品
Z2シート
Z2シート
LEDスペーサー
バッテリーホルダー
グロメットKG
基板アングルA
基板アングルB
+ナベ小ネジ
チップセラコン
チップセラコン
チップセラコン
チップセラコン
チップセラコン
小型ケミコン
チップセラコン
チップセラコン
チップセラコン
チップセラコン
チップセラコン
チップセラコン
チップセラコン
チップセラコン
チップセラコン
チップセラコン
チップセラコン
小型ケミコン
チップセラコン
チップセラコン
チップセラコン
チップセラコン
チップセラコン
チップセラコン
チップセラコン
チップセラコン
小型ケミコン
チップセラコン
小型ケミコン
小型ケミコン
コネクタベースポスト
コネクタベースポスト
コネクタベースポスト
IC
IC
IC
IC
LED
チップ抵抗
チップ抵抗
チップ抵抗
チップ抵抗
チップ抵抗
チップ抵抗
チップ抵抗
チップ抵抗
チップ抵抗
チップ抵抗
チップ抵抗
チップ抵抗
チップ抵抗
チップ抵抗
チップ抵抗
チップ抵抗
チップ抵抗
チップ抵抗
チップ抵抗
チップ抵抗
チップ抵抗
チップ抵抗
部品名

SYSTEM45
8
: New Parts RANK: Japan only
*
REF NO.
PART NO. DESCRIPTION REMARKS
QTY RANK
R27 Carbon Resistor (chip) 4.7K J 01
R28 Carbon Resistor (chip) 6.8K J 01
R29 Carbon Resistor (chip) 22K J 01
-31 Carbon Resistor (chip) 22K J 01
R32 Carbon Resistor (chip) 1.0K J 01
R33 Carbon Resistor (chip) 100K J 01
R34 Carbon Resistor (chip) 1.0K J 01
R35 Carbon Resistor (chip) 2.2K J 01
R36 Carbon Resistor (chip) 10K J 01
R37 Carbon Resistor (chip) 10K J 01
RX1 IC RH5VL55AA RESET 02
SW1 Push Switch PB-2285 PHASE 02
VR1 Slide Variable Resistor 50KB RA2043-20-15C LOW 04
VR2 Slide Variable Resistor 50KB RA2043-20-15C HIGH 04
VR3 Slide Variable Resistor 20KB RA2043-20-15C MID 05
VR4 Slide Variable Resistor 50KBx2 SL-2015G AMF
VR5 Rotary Variable Resistor 10KB EVJ 02BF03B14 VOL. 05
VR6 Rotary Variable Resistor 10KB EVJ 02BF03B14 MIC VOL. 05
RD256470
RD256680
RD257220
RD257220
RD256100
RD258100
RD256100
RD256220
RD257100
RD257100
XQ685A00
KX804280
HX808620
HX808620
HX808630
QC585200
QC271300
QC271300
部品名
チップ抵抗
チップ抵抗
チップ抵抗
チップ抵抗
チップ抵抗
チップ抵抗
チップ抵抗
チップ抵抗
チップ抵抗
チップ抵抗
IC
プッシュSW
スライドVR
スライドVR
スライドVR
スライドVR
ロータリーVR
ロータリーVR

SYSTEM45
9
Equalizer
LOW
VOL.
PHASE
MIC VOL.
MID HIGH
AMF
to
Output jack
to Pickup (Bar sensor)
to Pickup (Condenser mic)
BATT.
CIRCUIT BOARD
CIRCUIT DIAGRAM
MC030-QC58830 2
Z2
to Pickup
(Condenser mic)
to Pickup
(Bar sensor)
HIGH EQ.
LOW EQ.
MID EQ.
VOL.
OP AMP
OP AMP
OP AMP
RESET
AMF
Output Jack
BATT.
indicator Battery
MIC. VOL.
PHASE
MC020-015 2
Component side Pattern side
(シート基板図)
(シート回路図)
(部品側) (パターン側)
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