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The manual was very clear and contained all the information I was looking for. My dishwasher is working again because of this servicemanual!
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Quality scan, great manual. I solved my problem with this manual.
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The AKAI 1720 model reel to reel tape recorder described in this Manual is quite an old unit - circa late 1960's. As a consequence, the description of the mechanical details - and adjustments thereof - is quite critical. The manual does this quite well. The schematics are also well presented and have detailed PCB overlays. Probably the only negative is that some half-tone detail has been lost from the original manual as it has been scanned in simple B&W.
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Perfect source for service manuals: fast and professional transaction; high quality, perfect readable and largely scaleable PDF; complete schemes, diagrams and spare part list. Tnx a lot, cu again!!!!
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I got your link from a friend and I must say that I am really satisfied with your service. Specially this B&O manual I didn't find anywhere on the web... but you could deliver it :-) . You deliver very fast and the copy is of good quality. So your webpage is bookmarked. Thanks
Ver. 1.1
SECTION 5 EXPLODED VIEWS
� The mechanical parts with no reference number in the exploded views are not supplied. � Hardware (# mark) list and accessories and packing materials are given in the last of this parts list. � Abbreviation E :Indication of country of origin 1E :No indication of country of origin
r
IC BLOCK DIAGRAM
PRE OUT EQ IN
NOTE : � -XX, -X mean standardized parts, so they may have some difference from the original one. � Items marked � * �are not stocked since they are seldom required for routine service. Some
REC Vref OUT
5-2. MECHANISM DECK SECTION (MZ-100MC-14)
71 70 72 76
HCB901
IC101 LA4168ML-TE-L
MIC REC IN
77
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
delay should be anticipated when ordering these items.
5-1. FRONT SECTION
PAUSE 2.2k
ALC CONT MIC VCC
17 18
GVN
VOX CONT R. F OUT
42
65
43
66
67 74
73
75 78
30k 2k
64
VOX DELAY LED DRIVE
MIC VCC
15
15 16
44 19 20 21 13
22
23
24
63
62 69
79 80 81
Vref 20k EQ MIC REC ALC VOX
PAUSE
R/P
38 14 41 11 12
61
not supplied
60
28
M901
45 27
82 57 58 68
NC P/R MUTE
R, F
29 3 35 43 5 3 40 1 2 7 34 33 32 26
30
VOX 300k
SPEED
GVN CONT
SP901
1
GVN Vref PWR OUT1
POWER
2
6
MIC901
NC R/P SW
NC
Vs PWR GND
1
NF PRE GND
2
3
4
5
6
7
8
9
10
11
PWR IN
12
13
14
15
Vcc GVN OUT
3 10 9 8 39
MIC902
59
56 55
PWR OUT2 GVN GND
6
31
52
3
54 51
Ref. No. 1 2 3 *4 *5 6 7 8 9 10 11 12 13 14 14 15 16 17 18 19 20 21 22 23
Part No. 3-025-026-01 X-3375-565-1 3-318-382-31 3-025-036-01 3-025-030-01 3-704-197-91 3-025-031-01 3-025-024-01 3-025-043-01 3-025-023-01 A-3021-101-A 3-025-037-01 3-025-038-01 X-3375-600-1 X-3375-956-1 3-334-565-21 3-318-203-82 3-025-019-01 3-025-017-01 3-025-018-01 3-010-491-01 3-010-492-01 3-010-493-01 3-669-481-07
Description BUTTON (STAND) STAND ASSY SCREW (1.7X3), TAPPING BRACKET (SPK) BRACKET (M-SP) SCREW (IB LOCK) HOLDER (M-SP) BRACKET (PANEL MIC) SHEET (WS) PANEL (MIC) MAIN BOARD, COMPLETE TERMINAL, BATTERY SPRING, BATTERY COIL CABINET (REAR) ASSY (EXCEPT 1E) CABINET (REAR) ASSY (1E) SCREW (B1.7X13.5), TAPPING SCREW (B1.7X7), TAPPING LID, BATTERY CASE KNOB (PAUSE) KNOB (FR) BUTTON (REC) BUTTON (PLAY) BUTTON (STOP) PIN (DIA.1X10), PARALLEL
Remark
Ref. No. 24 26 27 28 29 30 31 32 33 * 34 35 38 39 40 41 42 43 44 45 MIC901 MIC902 SP901
Part No.
Description
Remark
53
3-328-319-31 STRAP, HAND 3-025-013-11 BUTTON (CUE) 3-027-880-01 SPRING (TOGGLE), TORSION 3-010-499-01 ARM (EJECT) X-3375-599-1 CABINET (FRONT) ASSY 3-025-029-01 FOOT (CABINET) X-3375-566-1 3-025-039-01 3-025-033-01 3-025-040-01 3-669-481-05 3-342-156-61 3-025-032-01 A-3021-100-A 3-345-648-01 3-025-041-01 3-025-042-01 3-026-293-01 1-669-666-11 1-542-348-11 1-542-298-11 LID ASSY, CASSETTE COVER (AZIMUTH) KNOB (SENSITIVITY SELECTION) BRACKET (SENSITIVITY) PIN (DIA.1X15), PARALLEL SCREW CUSHION, MICROPHONE LED BOARD, COMPLETE SCREW (M1.4), TOOTHED LOCK SHEET (BLIND) PAPER, SHIELD CUSHION (BATTERY) LED FLEXIBLE BOARD MICROPHONE, ELECTRET CONDENSER MICROPHONE, ELECTRET CONDENSER
Ref. No. 51 52 53 * 54 * 55 56 57 58 59 60 61 62 63 64 65 66 67
Part No. X-3371-272-1 3-914-904-01 3-704-243-11 3-023-941-01 3-914-919-01 3-914-903-01 3-914-915-01 3-914-906-01 3-377-420-11 X-3368-585-1 X-3375-404-1 3-343-948-01 3-023-935-01 X-3375-403-1 1-251-705-11
Description FLYWHEEL (M) ASSY SPRING (PFR), TORSION SCREW (P1.7X2.0) PLATE (FR), LOCK SLIDER (FR) SPRING (FR), TORSION ARM (S.OFF) SPRING (S.OFF), TORSION BELT PINCH LEVER ASSY LEVER (STOP) ASSY BELT BELT BRACKET ASSY, COUNTER COUNTER, TAPE
Remark
Ref. No. * 68 * 69 70 71 72 73 74 75 * 76 77 78 79 80 * 81 82 HCB901 M901
Part No.
Description
Remark
X-3369-557-1 CHASSIS COMPLETE ASSY (D) 3-914-913-01 LEVER (PLAY) 3-914-902-01 SPRING (P), TORSION 3-704-245-42 3-366-746-51 3-378-792-01 X-3368-584-1 3-331-007-21 3-914-923-11 3-331-047-01 3-914-908-01 3-914-907-01 X-3368-587-1 X-3368-583-1 3-914-916-01 1-500-527-11 1-698-533-21 SCREW (1.4) SCREW (M1.4X6.5) SPRING, COMPRESSION ARM (MIDWAY GEAR) ASSY WASHER COVER, MD SCREW (M1.4X1.4),SPECIAL HEAD SPRING (REC LOCK), TENSION SPRING (MIDWAY GEAR), TORSION REEL ASSY, S LEVER (REC) ASSY ARM (CLAW DETECTION) HEAD,MAGNETIC(RECODE/PLAYBACK/ERASE) MOTOR, DC
X-3368-582-1 REEL ASSY, T 3-914-914-12 GUIDE, TAPE
1-505-918-11 SPEAKER (2.8cm)
� 16 �
� 17 �
� 18 �
 $4.99 M-100MC SONY
Owner's Manual Complete owner's manual in digital format. The manual will be available for download as PDF file aft…
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