空音開発Kuon R&D
アナログ · 2025.12.08

Revox B77 分解図まとめ

Revox B77の分解図（プッシュボタンユニット、ブレーキ系統、テープヘッドアセンブリ、操作部）を部品表とともにまとめました。

目次

この記事を読むことでB77の全体図を把握することができます。

※こちらも現在加筆中です（2026年1月時点）

またネジを紛失してしまった場合でも購入しやすい用に各部わかる範囲でリストアップしています。

一部の特殊なワッシャーやほとんどのネジはホームセンターで揃いますが、見つからない場合はモノタロウやミスミ、3Dプリンターなどを駆使しましょう。

Revox B77 の分解図
INDEXQTYORDER NUMBERPART NAME
0111.177.100.01Tape drive chassis
0211.177.100.09Push button
0311.177.100.07Push button switch
04129.26.1022Solder lug
05220.21.7154Self-tapping screw
0611.177.131.00Base plate, compl. MKI
11.177.813.00Base plate, compl. MKII
0711.010.024.37Tension spring
08321.26.0354Screw M3x6
0911.177.132.00Lever left, riveted MKI
11.177.812.00Lever left, riveted MKII
1011.177.133.00Lever right, riveted MKI
11.177.811.00Lever right, riveted MKII
1111.177.120.01Dog pin
12121.26.2354Screw M3x6
1311.177.123.00Pinch roller arm with shaft
1411.010.025.37Tension spring
1511.067.100.06Anchor pin
16121.59.5452Set screw M4
17321.26.0356Screw M3x10
1811.080.112.06Adjusting ring
1911.177.125.00Pinch roller arm bearing
2011.177.126.00Plunger compl.
2111.014.710.00Pinch roller solenoid compl. without plunger
22223.01.3043Washer
23221.26.0454Screw M4x6
2411.177.120.02Lever
25221.26.0455Screw M4x8
26321.26.0459Screw M4x18
27131.99.0106Rubber ring
2811.167.178.82Pinch roller compl.
2911.177.100.25Pinch roller cover
30121.27.2355Screw M3x8
311 (MKI)1.177.421.00Tape transport cover (DOLBY)
1 (MKI)1.177.419.00Tape transport cover (AUTO START)
(MKI)1.177.414.00Tape transport cover (DIA PILOT)
(MKI)1.177.412.00Tape transport cover (SIMDA)
(MKI)1.177.417.00Tape transport cover (SYNC)
(MKII)1.177.494.00Tape transport cover (SYNC)
(MKII)1.177.491.00Tape transport cover (STANDARD)
32521.27.0462Screw M4x25
33321.26.0354Screw M3x6
11.177.140.00Tape guide pin compl.
3411.177.142.00Base plate
35122.13.8040Hexagonal nut M4
3611.177.140.03Shaft
3711.010.025.37Tension spring
3811.177.140.02Guide pin
3911.077.100.09Counter
40121.01.0355Screw M3x8
41224.99.0107Spring washer
42223.01.2032Washer
4311.077.100.19Threaded spacer
4411.077.100.20Rubber cap
4511.177.140.01Lever
46121.26.0354Screw M3x6
4711.177.330.00Print
4811.177.330.01Mounting bracket
4911.177.330.02Switch
5011.177.330.03Potmeter
5111.177.470.0019"-rack version metal-cage housing
5211.177.450.00Standard version molded plastic housing
to above420.20.3310Screw
41.010.007.23Washer
11.177.450.02Handle
53173.01.001Teethead bolt (inside counter assy)
5411.736.200.04Teflon washer
551.010.041.23Washer for height adjustment
561.062.101.08Brass washer 0.2mm
1.062.101.09Brass washer 0.5mm
Revox B77 の分解図（2）

PUSH BUTTON UNIT

INDEXQTYORDER NUMBERPART NAME
1.011.220.00Push button unit compl.
0111.011.201.06Push button red
0251.011.201.05Push button grey
0361.010.095.37Pressure spring
0461.011.220.05Cylindrical pin
0511.011.206.01Push button housing
0611.011.205.02Snap spring strip
0711.011.201.02Snap spring
0811.011.206.03Insulating strip
Revox B77 の分解図 PUSH BUTTON UNIT

BRAKE SYSTEM

INDEXQTYORDER NUMBERPART NAME
01221.01.4455Screw M4x8
02223.01.3043Washer
03237.01.0103Cup washer
0421.067.100.27Driver
0521.077.562.00Brake drum
0621.077.421.00Brake band compl.
0711.077.406.00Brake chassis compl.
0811.077.415.00Brake lever
0911.077.411.00Brake lever
10624.16.3032Circlip
11221.26.0353Screw (M3x5 max.)
12223.01.2032Washer M3
13321.26.0354Screw M3x6
1411.014.805.00Brake solenoid
from216181.014.806.00Brake solenoid
1511.014.803.00Plunger to brake solenoid
from216181.014.808.00Plunger to brake solenoid
1611.062.210.06Tension spring
1721.077.100-13Tension spring
1821.077.564Turntable, metal
19621.02.0355Screw M 3x8, Ni-plated
2021.077.568.03Shaft section, 3-prong
2121.736.794.03Spring, compression
2221.077.568.02Screw, shoulder
23individual1.736.502.04Spacer washer 2mm
1.736.502.05Spacer washer 0.5mm
1.736.502.13Spacer washer thin
2441.040.255.00Clip
Revox B77 の分解図 BRAKE SYSTEM

TAPE HEAD ASSEMBLY

INDEXQTYORDER NUMBERPART NAME
1.020.300.00Tape head assembly compl. 1/4", 2-track
1.020.301.00Tape head assembly compl. 1/4", 4-track
0111.020.300.01Tape head chassis
0221.020.300.06Centering screw
0341.077.121.02Tape guide cup
0411.077.121.04Spacer
0521.020.300.04Threaded support
06221.26.0455Screw M4x8
07141.99.0102Ball bearing
0811.116.098.01Erase head 1/4", 2-track
from573291.116.098.04Erase head 1/4", 2-track
11.116.099.01Erase head 1/4", 4-track
from609771.116.099.04Erase head 1/4", 4-track
0911.116.022.00Record head 1/4", 2-track
11.116.042.00Record head 1/4", 4-track
1011.116.027.00Reproduce head 1/4", 2-track
11.116.047.00Reproduce head 1/4", 4-track
1121.020.801.00Head mounting plate compl.
12421.18.6354Set screw
13221.99.0118Screw M3x7
1421.077.155.05Head housing, internal
1521.077.155.06Head housing, outer
1641.077.155.07Plastic pin
1711.020.311.00Shielding lid compl.
18221.01.0202Screw M2x4
1911.020.310.00Clamp, riveted
2011.020.820.12Pressure spring
2121.077.145.01Guide disk
2211.077.145.02Spacer sleeve
23122.01.8030Nut M3
2411.020.320.00Light gate compl.
to above123.01.3032Washer
25121.26.0354Screw M3x6
2611.020.318.00Edit switch compl.
27221.26.2357Screw M3x12
28122.01.8020Nut M2
2911.020.318.04Pin
3011.020.820.17Tension spring
31421.26.0354Screw M3x6
32221.26.0355Screw M3x8
33221.26.0354Screw M3x6
34321.26.0459Screw M4x18
35323.01.1043Washer
3611.020.300.07Guide
37121.26.0354Screw M3x6
3811.077.130.02Mounting screw
from573291.116.099.02Mounting screw
3911.116.098.03Head spacer (just to No. 57328)
4011.010.017.23Washer
4121.177.425.02Spring
4211.177.426.03Headblock cover "STUDER"
Revox B77 の分解図 TAPE HEAD ASSEMBLY

OPERATING SECTION

INDEXQTYORDER NUMBERPART NAME
0111.177.100.12Knob, disk type
0211.177.100.11Knob
0331.177.100.10Knob
0421.068.700.23Knob
0521.166.450.03Lens red
0611.177.400.00Operating panel compl. (STANDARD)
1.177.401.00Operating panel compl. (HS)
1.177.402.00Operating panel compl. (DOLBY)
1.177.403.00Operating panel compl. (LS)
1.177.404.00Operating panel compl. (SLS)
07222.16.6004Lock washer
0811.177.100.05Side part left
0911.177.100.06Side part right
1011.177.430.00Flap compl. (Spring 1.010.026.37)
1121.177.190.03Button
1211.011.102.00Mains switch, single pole
13221.26.0354Screw M3x6
1411.177.200.02Twin potmeter
1531.011.120.00Toggle switch
1631.011.301.01Housing
1731.011.301.00Rotary switch
1891.010.001.55Contact spring
19341.01.0240Steel ball
2031.010.040.37Pressure spring
21250.04.2114LED compl.
22251.02.0142Lampe type W2D, 24V, 1W
2321.177.205.01VU-meter
from582521.177.205.05VU-meter
2411.177.205.02Mounting bracket
25421.26.0372Screw M3x16
2641.067.435.02Sleeve
2741.067.435.01Pressure spring
2811.177.205.04Bracket, right
2911.177.205.03Bracket, left
3011.177.210.00Motherboard compl.
3111.177.210.01Switch bar compl.
3211.177.190.00Speed selector compl.
3311.177.200.04Grounding spring
3411.177.200.05Sleeve
3521.166.450.02Lamp bezel
36121.26.0352Screw M3x4
37421.26.0454Screw M4x6
38454.02.0104Stereo Jack
39121.068.700.14Decor ring
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