Yamaha Guitar 11391 User Manual

ELECTRIC BASS  
TRB-6II  
SERVICE MANUAL  
CONTENTS  
OVERALL ASSEMBLY······································································ 2  
ELECTRICAL PARTS········································································ 4  
CIRCUIT BOARD ··············································································· 6  
CIRCUIT DIAGRAM··········································································· 7  
WIRING································································································ 8  
SPECIFICATIONS·············································································· 8  
011391  
EG  
HAMAMATSU, JAPAN  
1.25K-611  
Printed in Japan '98.02  
 
TRB-6II  
REF NO. PART NO. DESCRIPTION  
OVERALL ASSEMBLY  
A01 DX809400 Neck Assembly  
A01 DX809410 Neck Assembly  
A01 DX809420 Neck Assembly  
A01a AA809390 Square Washer  
REMARKS  
QTY RANK  
TRB-6II  
AMT  
*
*
*
MGB  
TLBIII  
01  
D01  
Body  
E01 QC028300 Tuning Machine Assembly  
E01 QC028400 Tuning Machine Assembly  
E02 EQ624100 Round Head Wood Screw  
E07 QC428000 Nut  
E08 QC205200 Neck Joint Bushing  
E09 VI825000 Oval Head Tapping Screw  
E11 QC425600 Bridge Assembly  
GB70L+GB7 (GOLD)  
GB70+GB7 (GOLD)  
2.4X10 GOLD  
52mm  
3
3
6
08  
08  
02  
(0370407)  
*
*
(BL)  
6
6
04  
01  
5.0X40 FCM3BL  
BPX-6D (GOLD)  
4.0X35 GOLD  
H6010  
EP-B2 (GOLD)  
3.5X25 GOLD  
(BL)  
E12 QA170100 Oval Head Tapping Screw  
5
01  
E14  
Strings  
1set  
(QC02460)  
(0370663)  
E18 QC224600 Strap Button  
E19 ER635250 Oval Head Tapping Screw  
E20 VB793700 Spacer Felt  
E22 QC205700 Knob Assembly  
E23 QC205800 Knob Assembly  
E24 QC429500 Sheet, Instruction  
E26 QC425800 Back Cover  
2
2
2
2
3
02  
02  
01  
07  
07  
LEX B-22  
LEX B-18  
VOLUME, PANPOT  
BASS, TREB, MID  
*
*
Electrical (BL)  
E27 EB620020 Oval Head Wood Screw  
2.7X13 FCM3BL  
5
2
03  
07  
F01 QC432100 Electrical Unit  
F02 VK505700 Box for Dry Cell  
F04 QC025000 Pan Head Tapping Screw  
F08 QC437300 Electrical Unit (Jack Assy)  
(1) 3-BAND EQ.  
(2)  
3.0X8 FCM3BL  
(3)  
*
*
G01 QC429100 Pickup Assembly  
G02 QC325300 Pickup Spring  
G03 EM830230 Pan Head Tapping Screw  
G06 QC429200 Pickup Assembly  
G07 QC325300 Pickup Spring  
Front  
Rear  
*
*
3
3
3.0X30 FCM3BL  
3.0X30 FCM3BL  
01  
*
*
3
3
G08 EM830230 Pan Head Tapping Screw  
01  
07  
H01 QC354000 Accessory Unit (G-1)  
1set  
QC425600 Bridge Assembly  
B01 QC425700 Bridge Base  
B02 QC425300 Bridge Piece Assembly  
B03 EA330400 Pan Head Screw  
B04 AX818240 Spring  
BPX-6D(GOLD)  
(GOLD)  
(GOLD) with screw  
3.0X40 FCM3BL  
(BL) 30mm  
P=18.0  
*
*
*
with set screw (M3X12)  
6
6
3
3
01  
1-3 string  
4-6 string  
*
*
B04 AX818250 Spring  
(BL) 25mm  
RANK:Japan only  
: New Parts  
*
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.  
3
 
TRB-6II  
ELECTRICAL PARTS  
REMARKS  
REF NO. PART NO. DESCRIPTION  
QTY RANK  
ELECTRICAL PARTS  
QC432100 Electrical Unit  
IX808770 IC  
IG070700 IC  
IG070700 IC  
IX808780 IC  
3-BAND EQ.  
OP200GP  
TL062CP  
*
*
OP AMP  
OP AMP  
OP AMP  
IC1  
IC2  
IC3  
IC4  
07  
07  
TL062CP  
TLC7662BEPA  
2SK30ATM(O)  
E-301  
*
*
*
Q1-4 IX808790 FET  
D1-4 IX808800 Diode  
D5  
QC183900 Diode  
1SR139-100  
EWCE6AF22B24 20K  
EWCE6AF22A53 5K  
EWCE6AF22B54 50K  
EWCE6AF22B54 50K  
EWCE6AF22B54 50K  
EVND8AA0 BQ3 4.7K  
EVND8AA0 BQ3 4.7K  
B2B-XH-A 2P  
B2B-XH-A 2P  
B4B-XH-A 4P  
B2B-XH-A 2P  
ELEXG101KA 100uH  
0.1uF/16V (35V)  
22u/16V R3A-16V220  
22u/16V R3A-16V220  
10u/16V RC3-16V100  
0.01uF  
22u/16V R3A-16V220  
10u/16V RC3-16V100  
0.01uF  
10u/16V RC3-16V100  
0.01uF  
10u/16V RC3-16V100  
1u/16V RC3-50V010M  
1u/16V RC3-50V010M  
0.01uF  
0.01uF  
100pF  
100pF  
22u/16V R3A-16V220  
0.033uF  
0.1uF  
1u/16V RC3-50V010M  
0.022uF  
0.022uF  
100pF  
1000pF  
2200pF  
1500pF  
100pF  
330pF  
330pF  
1.0M 1/6W J  
2.2M 1/6W J  
6.8K 1/6W J  
01  
PANPOT  
VOLUME  
VR1 HX809140 Rotary Variable Resistor  
VR2 HX809150 Rotary Variable Resistor  
VR3 HX809160 Rotary Variable Resistor  
VR4 HX809160 Rotary Variable Resistor  
VR5 HX809160 Rotary Variable Resistor  
VR7 HX809170 Trimmer Potentiometer  
VR8 HX809170 Trimmer Potentiometer  
CN1 LB918020 Connector  
CN2 LB918020 Connector  
CN3 LB918040 Connector  
CN4 LB918020 Connector  
L1-4 GX804490 Ciol  
*
*
*
*
*
*
*
EQUALIZER BASS  
EQUALIZER MID  
EQUALIZER TREBLE  
FRONT PICKUP  
REAR PICKUP  
OUTPUT JACK  
BATTERY  
01  
01  
01  
01  
*
C1-4 FP355100 Tuntalum Capacitor  
C05 FX804200 Electlytic Cap.  
C06 FX804200 Electlytic Cap.  
C31 UI137100 Electlytic Cap.  
C32 FG444100 Ceramic Capacitor  
C33 FX804200 Electlytic Cap.  
C34 UI137100 Electlytic Cap.  
C35 FG444100 Ceramic Capacitor  
C36 UI137100 Electlytic Cap.  
C37 FG444100 Ceramic Capacitor  
C38 UI137100 Electlytic Cap.  
C39 UI166100 Electlytic Cap.  
C40 UI166100 Electlytic Cap.  
C41 FG444100 Ceramic Capacitor  
C42 FG444100 Ceramic Capacitor  
C51 FG212100 Ceramic Capacitor  
C52 FG212100 Ceramic Capacitor  
C53 FX804200 Electlytic Cap.  
C61 UA154330 Mylar Capacitor  
C62 UA155100 Mylar Capacitor  
C63 UI166100 Electlytic Cap.  
C71 UA154220 Mylar Capacitor  
C72 UA154220 Mylar Capacitor  
C73 FG212100 Ceramic Capacitor  
C74 UA153100 Mylar Capacitor  
C81 UA153220 Mylar Capacitor  
C82 UA153150 Mylar Capacitor  
C83 FG212100 Ceramic Capacitor  
C84 FG212330 Ceramic Capacitor  
C85 FG212330 Ceramic Capacitor  
R1-4 HF559100 Carbon Resistor  
R5-8 HF559220 Carbon Resistor  
R09 HF556680 Carbon Resistor  
R10 HF556470 Carbon Resistor  
R11 HF556680 Carbon Resistor  
R12 HF556470 Carbon Resistor  
R13 HF557100 Carbon Resistor  
R14 HF557100 Carbon Resistor  
R15 HF556470 Carbon Resistor  
R16 HF556470 Carbon Resistor  
R21 HF558470 Carbon Resistor  
R23 HF557220 Carbon Resistor  
R31 HF557330 Carbon Resistor  
R32 HF557270 Carbon Resistor  
02  
*
*
01  
01  
*
01  
01  
01  
01  
01  
*
*
01  
01  
01  
01  
*
*
01  
*
01  
01  
01  
01  
*
*
01  
01  
01  
*
*
01  
01  
4.7K 1/6W J  
6.8K 1/6W J  
4.7K 1/6W J  
10K 1/6W J  
10K 1/6W J  
4.7K 1/6W J  
4.7K 1/6W J  
470K 1/6W J  
22K 1/6W J  
*
*
01  
01  
*
*
*
*
*
*
33K 1/6W J  
27K 1/6W J  
RANK:Japan only  
: New Parts  
*
4
 
TRB-6II  
REF NO. PART NO. DESCRIPTION  
R51 HF557470 Carbon Resistor  
R52 HF557470 Carbon Resistor  
R53 HF557220 Carbon Resistor  
R54 HF554330 Carbon Resistor  
R55 HF557180 Carbon Resistor  
R56 HF557220 Carbon Resistor  
R57 HF554330 Carbon Resistor  
R61 HF557330 Carbon Resistor  
R62 HF557330 Carbon Resistor  
R63 HF557120 Carbon Resistor  
R64 HF557680 Carbon Resistor  
R65 HF557470 Carbon Resistor  
R71 HF558100 Carbon Resistor  
R72 HF557510 Carbon Resistor  
R73 HF557270 Carbon Resistor  
R74 HF557100 Carbon Resistor  
R75 HF557100 Carbon Resistor  
R76 HF557180 Carbon Resistor  
R77 HF557100 Carbon Resistor  
R78 HF556220 Carbon Resistor  
R79 HF557470 Carbon Resistor  
R80 HF557470 Carbon Resistor  
R81 HF557330 Carbon Resistor  
R82 HF557470 Carbon Resistor  
R83 HF557100 Carbon Resistor  
R84 HF557100 Carbon Resistor  
R85 HF557220 Carbon Resistor  
R86 HF557100 Carbon Resistor  
R87 HF556330 Carbon Resistor  
R88 HF557470 Carbon Resistor  
R89 HF557470 Carbon Resistor  
QC434900 Hexagonal Nut  
REMARKS  
QTY RANK  
47K 1/6W J  
47K 1/6W J  
22K 1/6W J  
33 1/6W J  
18K 1/6W J  
22K 1/6W J  
33 1/6W J  
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
33K 1/6W J  
33K 1/6W J  
12K 1/6W J  
68K 1/6W J  
47K 1/6W J  
100K 1/6W J  
51K 1/6W J  
27K 1/6W J  
10K 1/6W J  
10K 1/6W J  
18K 1/6W J  
10K 1/6W J  
2.2K 1/6W J  
47K 1/6W J  
47K 1/6W J  
33K 1/6W J  
47K 1/6W J  
10K 1/6W J  
10K 1/6W J  
22K 1/6W J  
10K 1/6W J  
3.3K 1/6W J  
47K 1/6W J  
47K 1/6W J  
01  
01  
*
01  
*
*
*
*
*
01  
01  
*
01  
*
*
*
*
RANK:Japan only  
: New Parts  
*
5
 
TRB-6II  
CIRCUIT BOARD  
BASS  
MID  
TREB  
PANPOT  
Battery 9V  
NECK  
PICKUP  
BRIDGE  
PICKUP  
OUTPUT jack  
VOLUME  
REAR PICKUP  
FRONT PICKUP  
Component side  
Pattern side  
4NB70-QC43210  
6
 
TRB-6II  
CIRCUIT DIAGRAM  
D 5  
L 1  
1 0 0  
H
2 2 / 1 6 V  
C 3 4  
+
+
1 0 / 1 6 V  
C 3 3  
C 3 5  
0 . 0 1  
0 . 0 1  
0 . 0 1  
C 4 1  
0 . 0 1  
C 4 2  
C 3 7  
C 3 6  
C 3 8  
1 0 / 1 6 V  
+
+
1 0 / 1 6 V  
C 3 9  
+
1
/ 5 0 V  
R 5 6  
2 2 K  
IC4  
TC7662  
C 4 0 +  
1
/ 5 0 V  
R 8 7  
3 . 3 K  
R 7 8  
2 . 2 K  
R 8 8  
4 7 K  
4 7 K R 8 9  
R 6 5  
4 7 K  
R 6 4  
6 8 K  
R 7 9  
4 7 K R 8 0  
3 3 0 p  
4 7 K  
C 8 5  
C 7 4  
3 3 0 p  
C 8 4  
1 0 0 0 p  
R 5 7  
3 3  
0 . 0 3 3  
C 6 1  
R 8 1  
3 3 K  
R 7 2  
5 1 K  
0 . 1  
0 . 0 2 2  
C 7 2  
2 7 K  
R 7 3  
4 7 K  
R 8 2  
C 6 2  
C 3 2  
C 3 1  
0 . 0 1  
+
R 3 1  
3 3 K  
1 0 / 1 6 V  
R 3 2 2 7 K  
V R 1  
R 1 3  
1 0 K  
R 1 4  
1 0 K  
E 3 0 1  
E 3 0 1  
E 3 0 1  
E 3 0 1  
D 4  
R 8  
D 2  
R 6  
D 3  
R 7  
D 1  
R 5  
2 . 2 M  
2 . 2 M  
2 . 2 M  
2 . 2 M  
1 M  
R 4  
1 M  
R 1  
1 M  
R 2  
1 M  
R 3  
4 7 0 K  
R 2 1  
7
 
TRB-6II  
WIRING  
FRONT PICKUP  
REAR PICKUP  
to bridge GND  
VOLUME  
5k  
PANPOT  
20k  
4
7
2
2
Box for dry cell  
Q C 4 3 2 0 0  
Q C 4 3 2 2 0  
TREB  
OUTPUT jack  
Q C 4 3 2 1 0  
MID  
BASS  
Equalizer  
50k x3  
SPECIFICATIONS  
STANDARD SPECIFICATIONS  
FINGERBOARD  
·····················································································  
····································································································  
Scale Length  
889.0mm  
Material  
Rosewood  
···············································  
··································································  
Body-Neck Construction  
Bolt On  
Fingerboard Width  
No.of Frets  
0-F 52.0mm,12-F 79.6mm  
24  
···························································································  
········································································································  
Length  
Width  
1180.0mm  
355.0mm  
5.2kg  
NECK  
···········································································································  
··························································································  
····································································································  
Material  
Maple  
············································································  
Net Weight  
COLOR  
Body  
Neck Thickness  
PARTS  
1-F 20.5mm,12-F 24.0mm  
································································································  
Hardware  
Gold Plated  
Bone  
BPX-6D:Gold  
YAMAHA H6010  
····································································································  
···················································································································  
·········································································································  
AMT  
MGB  
Amber Burst  
Magenta Burst  
Nut  
Bridge  
Strings  
····································································································  
········································································································  
···································································································  
TLBIII  
Neck  
AMT  
MGB  
Translucent Blue  
CONTROLS  
·····································································································  
·····································································································  
································································································  
Volume  
Balance  
5k X1  
20k X1  
50k X3  
····································································································  
Amber Burst  
Magenta Burst  
Equalizer  
PICKUPS  
····································································································  
····························································································  
Front/Rear  
Magnet  
Double Coil  
···································································································  
TLBIII  
Translucent Blue  
····················································································  
Front/Rear  
AlnicoV  
BODY  
····································································································  
Material  
Light Ash  
41.0mm  
························································································  
Body Depth  
8
 

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