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Yamaha Trb 5 Service Manual

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Page 1

SERVICE MANUALELECTRIC BASS
TRB-5II / TRB-5IIF
CONTENTS
OVERALL ASSEMBLY···················································\
···················2
ELECTRICAL PARTS···················································\
·····················4
CIRCUIT BOARD···················································\
····························6
CIRCUIT DIAGRAM···················································\
························7
WIRING···················································\...

Page 2

TRB-5II / TRB-5IIF
2
OVERALL ASSEMBLY
E20E19E18
E14
A01
G08G07
F04F02
E09E08
G06
G03G02G01
E12
D01
F01
E22
E23
E23
E24
E23
E22
E07
E11
E27E26
E02E01
VOLUME: 5K   MID: 50K    BASS: 50K    PANPOT: 20K   F08
TREBLE: 50K   
B02
B04
B01B04
B02
B03
E11 Bridge Assembly BPX-5D ; GOLD (QC425400) 

Page 3

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REF NO.
A01
A01
A01
A01
A01
A01a
D01
E01
E01
E02
E07
E08
E09
E11
E12
E14
E18
E19
E20
E22
E23
E24
E26
E27
F01
F02
F04
F08
G01
G02
G03
G06
G07
G08
H01
B01
B02
B03
B04
B04
PART NO.
DX809350
DX809360
DX809370
DX809380
DX809390
AA809390
QC028300
QC028400
EQ624100
QC428000
QC205200
VI825000
QC425400
QA170100
QC224600
ER635250
VB793700
QC205700
QC205800
QC429500
QC425800
EB620020
QC432100
VK505700
QC025000
QC437300
QC428900
QC325300
EM830230
QC429000
QC325300
EM830230...

Page 4

TRB-5II / TRB-5IIF
4
ELECTRICAL PARTS
REF NO.
IC1
IC2
IC3
IC4
Q1-4
D1-4
D5
VR1
VR2
VR3
VR4
VR5
VR7
VR8
CN1
CN2
CN3
CN4
L1-4
C1-4
C05
C06
C31
C32
C33
C34
C35
C36
C37
C38
C39
C40
C41
C42
C51
C52
C53
C61
C62
C63
C71
C72
C73
C74
C81
C82
C83
C84
C85
R1-4
R5-8
R09
R10
R11
R12
R13
R14
R15
R16
R21
R23
R31
R32
PART NO.
QC432100
IX808770
IG070700
IG070700
IX808780
IX808790
IX808800
QC183900
HX809140
HX809150
HX809160
HX809160
HX809160
HX809170
HX809170
LB918020
LB918020
LB918040
LB918020
GX804490
FP355100...

Page 5

TRB-5II / TRB-5IIF
5
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*:New PartsRANK:Japan only
REF NO.R51
R52
R53
R54
R55
R56
R57
R61
R62
R63
R64
R65
R71
R72
R73
R74
R75
R76
R77
R78
R79
R80
R81
R82
R83
R84
R85
R86
R87
R88
R89
PART NO.HF557470
HF557470
HF557220
HF554330
HF557180
HF557220
HF554330
HF557330
HF557330
HF557120
HF557680
HF557470
HF558100
HF557510
HF557270
HF557100
HF557100
HF557180
HF557100
HF556220
HF557470
HF557470
HF557330
HF557470
HF557100
HF557100
HF557220
HF557100...

Page 6

TRB-5II / TRB-5IIF
6
CIRCUIT BOARD
Pattern side Component side BASS MID TREB
PANPOT
NECK
PICKUPBRIDGE
PICKUP
FRONT PICKUPREAR PICKUP VOLUMEOUTPUT jackBattery 9V
4NB70-QC43210 

Page 7

CN3(
OUTPUT
C42 C41
JACK)
0.01 0.01
9V
CN41 32 1
24
(BATTERY)
0.01 C37L3
D5
C34 ++
L1 100   H C33
A
0.01
+
+
C38
C35 C36 10    /16V
10   /16V
+(M.VOL)
VR2
R55 5KA
3
18K
100p
- 6
7R54
IC1-2R53 C52
22K
2
45
1
7
22K
R5632 1
+
8
1   /50V
1   /50V
TC7662IC4
6L2
+ C40
5
12K
R65
3
+R63 1   /50V
C63OP200GP
1 2
(BASS)
68K
R6447K
+
A
+ +
VR5 50KB*2
(TREBLE)
3
1
47K
10K247K R80 C74 1000p
R78
2R79 47K
10K R77
18K R76
2.2K1 3
22K R85
C85
330p 330p
R89R86
R87
2
1
3.3K 47K
R88
1 2
C32
48
+ -
47K R52 47K C51
3100p
R51...

Page 8

TRB-5II / TRB-5IIF
8
WIRING
SPECIFICATIONS
724
QC43200
QC43220QC43210
2
FRONT PICKUP REAR PICKUP
to bridge GND
VOLUME
5k   
PANPOT
20k   
Equalizer
50k   x3 BASSMIDTREB OUTPUT jack Box for dry cell
STANDARD SPECIFICATIONS
Scale Length···················································\
··································889.0mm
Body-Neck Construction···············································Bolt On
Length
···················································\...
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