Yamaha 312M User Manual

Page 1
ELECTRIC GUITAR
Pacifica312 /Pacifica312M
SERVICE MANUAL
Pacifica312 Pacifica312M
011426
EG
19980708-330000
OVERALL ASSEMBLY ............................................... 2
PARTS LIST .................................................... 3
CIRCUIT DIAGRAM .................................................... 4
WIRING ....................................................................... 4
SPECIFICATIONS .................................................... 4
HAMAMATSU, JAPAN
0.9K-811 Printed in Japan ’98.10
Page 2
Pacifica312 /Pacifica312M

OVERALL ASSEMBLY

E23
Bridge Assembly YS-11B : Chrome (QC168400)
B01
B04
A01a
A seal is attached on the rear of the neck.
PAC312
or
PAC312M
E01
B05
B02
B03
D01
E04
E07E05
E09E08
E10
E34
A01
E39E38E37
E18E17
E28 E27
E44 E45
2
P01
P11P10P07
F02 F01
P11P10P08
P04
P13P12P09
P03
P02d P02a
P05
E24E23
E26
VOLUME : 15A 500k
P02b
P06
TONE : 05A 250k
F11
F14 F16
F12 F13
P02
Page 3

PARTS LIST

Pacifica312 /Pacifica312M
REF NO.
PART NO. DESCRIPTION REMARKS
QTY RANK
OVERALL ASSEMBL Y Pacifica312II/312MII
A01 Neck Assembly Pacifica312II:NT
* *
*
DX809650
A01 Neck Assembly Pacifica312MII:NT
DX809690
A01a Seal Pacifica312II (QC45520) A01a Seal Pacifica312MII (QC45530)
D01 Body E01 Tuning Machine Assembly RM1273 (CR) 1set 12
E04 String Guide CR 02 E05 Spacer BL 02 E07 Round Head Wood Screw 2.1X10 FCM33G (CR) E08 Rod Cover BL 01 E09 Oval Head Wood Screw 2.1X13 FCM3BL (BL) E10 Nut 41mm (BL) 04 E17 Neck Plate CR 04 E18 Oval Head Tapping Screw 4.0X45 FNM33G (NI) 4 01 E23 Bridge Assembly YS-11B (CR) 13 E24 Round Head Wood Screw 3.1X25 FCM33G (CR) 6 E26 Spacer 201 E28 Oval Head Tapping Screw 4.0X45 FNM33G (NI) 2 01 E34 Strings XL-120 1set (QC16510) E37 Strap Button ST type (CR) 204 E38 Oval Head Tapping Screw 3.0X25 FCM33G (CR) 2 04 E39 Spacer Felt BL 201 E44 Back Cover Bridge (BL) 04 E45 Oval Head Wood Screw 2.7X13 FCM3BL (BL) 6 03
F01 Panel Assembly BL/WH/BL (QC45490) F02 Oval Head Wood Screw 2.7X13 FCM33G (CR) 11 F11 Electrical Unit (Jack) 06 F12 Jack Panel BL 05 F13 Oval Head Wood Screw 2.7X13 FCM3BL (BL) 2 03 F14 Hexagonal Nut 9S FCM33G (CR) 01 F16 Toothed Lock Washer A9S FNM33G (NI) 2 01
--
--
--
QC164900 AA819700 QC370200 03704010 VD955900 EB620070 VB344800 QC015100 EN240060 QC168400 EA630100 QA302200 EN240060
-­BB801510 EN230140 VB793700 CB822600 EB620020
-­03706330 QC234800 VB518300 EB620020 LX200020 ET800180
H01 Accessory Unit G-1 1set 07
QC354000
Panel Assembly BL/WH/BL (QC45490)
P01 Panel BL/WH/BL 11
QC411100
P02 Electrical Unit (QC34150) P02a Variable Resistor 15A 500K ohm VOLUME 03 P02b Variable Resistor 05A 250K ohm TONE 03 P02c Mylar Cap. 0.022uF 50 K 02 P02d Pickup Switch 2pole 5position 08 P03 Knob BL 02 P04 Oval Head Screw 3.0X8 FCM3BL (BL) 2 01 P05 Volume Knob BL ST type 02 P06 Tone Knob BL ST type 02 P07 Pickup Assembly S/C (BL) Front P08 Pickup Assembly S/C (BL) Center P09 Pickup Assembly H/B (BL) Rear
*
P10 Pickup Spring 401 P11 Oval Head Tapping Screw-2 3.0X20 FCM3BL (BL) 4 P12 Pickup Spring 201 P13 Oval Head Screw 3.0X25 FCM3BL 2 01
B01 Arm CR (Head:BL) 05 B02 Bridge Base CR 07 B03 Bridge T ail 06 B04 Bridge Piece Assembly 605 B05 Flat Head Screw 4.0X9 FCM33G (CR) 3 01
: New Parts RANK : Japan only
-­HS120070 HS120100 FA114220 KA502000 CB821810 03755170 QC016200 QC016300 QC462900 QC463000 QC463200 AA809300 21074300 VA795700 VD764100
QC168400 AX805440 AX814040 AX814050 AX814060 EX803070
Bridge Assembly YS-11B (CR) 13
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.
WARNING : CHEMICAL CONTENT NOTICE!
3
Page 4
Pacifica312 /Pacifica312M

CIRCUIT DIAGRAM

FRONT PICKUP
CENTER PICKUP
REAR PICKUP
PICKUP SWITCH
(2pole 5position)

SPECIFICATIONS

VOLUME TONE OUTPUT
3
3
2
2
0.022uF
15A 500K
1
1
05A 250K

WIRING

FRONT
PICKUP
CENTER
PICKUP
PICKUP SWITCH
REAR
PICKUP
RE
WH
BL
VOLUME 15A 500K
BL
RE
TONE 05A 250K
to tremolo spring plate
RE
0.022uF
OUTPUT
STANDARD SPECIFICATIONS
Scale Length.............................. 648.0mm
Body-Neck Construction ......... Bolt On
Length........................................ 978.5mm
Width ......................................... 325.5mm
Net Weight ................................3.4kg
COLOR Body
OVS ........................................Old Violin Sunburst
TDG .......................................Translucent Dark Green
HB .......................................... Honey Burst
TLR......................................... Translucent Red
TLB ........................................ Translucent Bule
Neck
NT .......................................... Natural
BODY
Material...................................... Alder, Ash veneer top
Body Depth ............................... 44.0mm
FINGERBOARD
Material...................................... Rosewood
Fingerboard Width ...................0-F 41.5mm, 12-F 51.4mm
No. of Frets................................ 22
NECK
Material...................................... Maple
Neck Thickness ........................1-F 20.9mm, 12-F 22.9mm
PARTS
Hardware ................................... Chrome Plated
Nut.............................................. Urea
Bridge ........................................ YS-11B : Chrome
Strings........................................ Super Light
CONTROLS
Volume ....................................... 15A 500k ohm x 1
Tone ........................................... 05A 250k ohm x 1
Pickup SW ................................. 2pole 5P Lever Switch x 1
PICKUPS
Front/Center............................. Single Coil
Rear ............................................ Humbucking
Magnet
Front/Center/Rear .................. Alnico V
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