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ELECTRIC BASS
TRB-JP2
SERVICE MANUAL
TRB-JP2 (TDR)
CONTENTS
OVERALL ASSEMBLY ............................................................. 2
ELECTRICAL PARTS ................................................................ 4
CIRCUIT BOARD ...................................................................... 6
CIRCUIT DIAGRAM .................................................................. 7
WIRING ..................................................................................... 8
SPECIFICATIONS ..................................................................... 9
EG
011672
HAMAMATSU, JAPAN
Copyright (c) Yamaha Corporation. All rights reserved. PDF-K811
'03.02
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Summary of Contents for Yamaha TRB-JP2
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Page 1: Table Of Contents
TRB-JP2 SERVICE MANUAL TRB-JP2 (TDR) CONTENTS OVERALL ASSEMBLY ............. 2 ELECTRICAL PARTS ..............4 CIRCUIT BOARD ..............6 CIRCUIT DIAGRAM ..............7 WIRING ..................8 SPECIFICATIONS ..............9 011672 HAMAMATSU, JAPAN Copyright (c) Yamaha Corporation. All rights reserved. PDF-K811 ’03.02... -
Page 2: Overall Assembly
TRB-JP2 OVERALL ASSEMBLY E01 E03 E02 E03 Bridge Assembly: BPX-6C Gold (VK285200) Replacement nut is supplied without string slot. Jack Installation F08c F08a F08b E09 E10 E09 E11 F02 F04 BALANCER: B 20K VOLUME: A 5K EQUALIZER BASS: W 50K EQUALIZER MID: W 50K F08a F08b F08c F09 F10... - Page 3 TRB-JP2 PART NO. DESCRIPTION REMARKS REF NO. QTY RANK OVERALL ASSEMBLY TRB-JP2 AAX46370 Neck Assembly AAX46380 Neck Assembly Body QC648000 Tuning Machine Assembly GB72L (Gold) RIGHT QC648100 Tuning Machine Assembly GB72 (Gold) LEFT 03704070 Round Head Wood Screw 2.4X10 (Gold) QC023900 Bone 56mm QC205100...
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Page 4: Electrical Parts
TRB-JP2 ELECTRICAL PARTS PART NO. DESCRIPTION REMARKS REF NO. QTY RANK ELECTRICAL PARTS TRB-JP2 QC748600 Circuit Board 3-BAND EQ. Control (QC55840) QC748600 Circuit Board 3-BAND EQ. Control (QC55840) Hexagonal Nut with Volume Flat Washer with Volume Toothed Lock Washer with Volume QC434900 Hexagonal Nut FP355100... - Page 5 TRB-JP2 PART NO. DESCRIPTION REMARKS REF NO. QTY RANK HF557470 Carbon Resistor 47K 1/6W J HF557470 Carbon Resistor 47K 1/6W J HF557330 Carbon Resistor 33K 1/6W J HF554330 Carbon Resistor 33 1/6W J Carbon Resistor 18K 1/6W J HF557180 HF557220 Carbon Resistor 22K 1/6W J HF554330...
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Page 6: Circuit Board
TRB-JP2 CIRCUIT BOARD EQUALIZER EQUALIZER EQUALIZER BASS TREBLE not installed not installed BALANCER to BATTERY 9V to OUTPUT JACK NECK BRIDGE PICKUP PICKUP VOLUME to REAR PICKUP to FRONT PICKUP not installed Component side Note: See parts list for details of circuit board component parts. Pattern side EPA-QC74860-2... -
Page 7: Circuit Diagram
OP AMP OP AMP VOLUME FRONT PICKUP OUTPUT JACK BALANCER REGULATOR Note REAR PICKUP BATTERY BASS Note OP AMP Electrolytic Capacitor Electrolytic Capacitor (Audio) Tantalum Capacitor TREBLE OP AMP Mylar Capacitor Ceramic Capacitor Metal Film Resistor BAJJ-09 Note: C62 uses a resistor and R62 uses a capacitor. -
Page 8: Wiring
TRB-JP2 WIRING Box for Dry Cell FRONT PICKUP REAR PICKUP BALANCER B 20K EQUALIZER BASS W 50K soldering to bridge ground VOLUME A 5K EQUALIZER W 50K OUTPUT JACK EQUALIZER TREBLE W 50K... -
Page 9: Specifications
TRB-JP2 SPECIFICATIONS STANDARD SPECIFICATIONS Scale Length ......889.0mm Body-Neck Construction ..Bolt On Length ........1200.0mm Width ......... 353.0mm Net Weight ........ 5.2kg COLOR Body TDR ......... Translucent Dark Red AM ........... Amber Neck TDR ......... Translucent Dark Red AM ........... Amber BODY Material ........