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ELECTRIC BASS
TRB-5 II / TRB-5 IIF
SERVICE MANUAL
TRB-5II
CONTENTS
OVERALL ASSEMBLY······································································ 2
ELECTRICAL PARTS········································································ 4
CIRCUIT BOARD ··············································································· 6
CIRCUIT DIAGRAM ··········································································· 7
WIRING ························································
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TRB-5II / TRB-5IIF OVERALL ASSEMBLY E11 Bridge Assembly BPX-5D ; GOLD (QC425400) E01 E02 B02 B04 B03 E07 E14 B02 B04 B01 A01 E18 E19 E20 D01 E08 E09 F04 F02 E22 G01 G02 G03 PANPOT: 20K G06 G07 G08 F01 E23 BASS: 50K E23 MID: 50K E24 E11 E12 E23 TREBLE: 50K E22 F08 E26 E27 VOLUME: 5K 2
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TRB-5II / TRB-5IIF PART NO. DESCRIPTION REMARKS REF NO. QTY RANK OVERALL ASSEMBLY TRB-5II/TRB-5IIF DX809350 Neck Assembly TRB-5II AMT A01 * DX809360 Neck Assembly TRB-5II MGB A01 * DX809370 Neck Assembly TRB-5II TLBIII A01 * DX809380 Neck Assembly TRB-5IIF AMT A01 * DX809390 Neck Assembly TRB-5IIF TLBIII A01 * AA809390 Square Washer A01a 01 Body D01 QC028300 Tuning Machine Assembly GB70L+GB7 (GOLD) E01 3 08 QC028400 Tuning Machine Assembly GB70+GB7 (GOLD) E01 2 08 EQ624100 Round Head Wood Screw
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TRB-5II / TRB-5IIF ELECTRICAL PARTS PART NO. DESCRIPTION REMARKS REF NO. QTY RANK ELECTRICAL PARTS QC432100 Electrical Unit 3-BAND EQ. * IX808770 IC OP200GP OP AMP IC1 * IG070700 IC TL062CP OP AMP IC2 07 IG070700 IC TL062CP OP AMP IC3 07 IX808780 IC TLC7662BEPA IC4 * IX808790 FET 2SK30ATM(O) Q1-4 * IX808800 Diode E-301 D1-4 * QC183900 Diode 1SR139-100 D5 01 HX809140 Rotary Variable Resistor EWCE6AF22B24 20K PANPOT VR1 * HX809150 Rotary Variable Resistor EWCE6AF22A53 5K VOLUME VR2 * HX80916
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TRB-5II / TRB-5IIF PART NO. DESCRIPTION REMARKS REF NO. QTY RANK HF557470 Carbon Resistor 47K 1/6W J * R51 HF557470 Carbon Resistor 47K 1/6W J * R52 HF557220 Carbon Resistor 22K 1/6W J * R53 HF554330 Carbon Resistor 33 1/6W J * R54 HF557180 Carbon Resistor 18K 1/6W J * R55 HF557220 Carbon Resistor 22K 1/6W J * R56 HF554330 Carbon Resistor 33 1/6W J * R57 HF557330 Carbon Resistor 33K 1/6W J * R61 HF557330 Carbon Resistor 33K 1/6W J * R62 HF557120 Carbon Resistor 12K 1/6W J * R63 HF557680 Carbon R
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TRB-5II / TRB-5IIF CIRCUIT BOARD BASS MID TREB PANPOT Battery 9V NECK BRIDGE OUTPUT jack PICKUP PICKUP VOLUME REAR PICKUP FRONT PICKUP Component side Pattern side 4NB70-QC43210 6
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TRB-5II / TRB-5IIF CIRCUIT DIAGRAM + + IC4 TC7662 7 2SK30 Q1 CN1 0.1 /16V 1 + 6.8K C1 2 R9 22 /16V C51 100p C52 100p + (M.VOL) 47K A 3 22K 5KA C5 R51 FRONT 4.7K 2 R53 VR2 8 R52 P.U. 2SK30 - 6 Q2 1 22 /16V 2 0.1 /16V R54 ( OUTPUT R15 IC1-1 - R55 7 + + JACK) + 47K IC1-2 4 1 CN3 3 VR7 A 3 + 33 18K 4.7K 5 C53 1 2 C2 B4.7K 2 OP200GP OP200GP R10 1 3 20KB*2 (BAL) 4 PANPOT 100 H 2SK30 L2 Q3 CN2 0.1 /16V 3 1 /50V 50KB 2 8 1 + - R63 + 2 1 VR3 R61 IC2-1 33K 6.8K 3 1 8 + C3 12K 4 C63 (BASS) 1
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4 7 QC43200 QC43210 QC43220 2 2 TRB-5II / TRB-5IIF WIRING FRONT PICKUP REAR PICKUP to bridge GND VOLUME 5k PANPOT 20k Box for dry cell TREB OUTPUT jack MID BASS Equalizer 50k x3 SPECIFICATIONS STANDARD SPECIFICATIONS FINGERBOARD ····················································································· ···································································································· Scale Length 889.0mm Material Rosewood Body-Neck Construction···············
