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The manual was of good quality with high resolution schematic diagrams.
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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!!!!
Service Manual
SPEED PULSE GENERATOR
ORDER NO.
CRT2256
ND-PG1
SPECIFICATIONS
Dimensions . . . . . . . . . . . . . . .53(W)x92(H)x20(D)mm Weight . . . . . . . . . . . . . . . . . . .0.2kg
E
BLOCK DIAGRAM
H1
SENSOR1 DETECTOR PLUS PEAK HOLD 1/2
D1
COMPARATOR
PULSE1
OSCLLATOR
DIFFERENTIAL AMP
SO H2 D2
1/2
FLIPFLOP
RPS
PULSE OUTPUT2
SENSOR2
DETECTOR
MINUS PEAK HOLD
COMPARATOR
PULSE2
PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A. PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 501 Orchard Road, #10-00, Wheelock Place, Singapore 238880 C PIONEER ELECTRONIC CORPORATION 1998
K-ZZS. SEPT. 1998 Printed in Japan
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