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Happy to find finally a schematic for this amplifier. The schematic is of good quality, the pcb layout is useless: all is black. Never the less, it is very easy to find the components on the board using the schematics.
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Hard to find manual was ready the next day. Scans were very legible (including schematics). All the essential parts of the service manual were present (adjustment procedure, schematics, and parts list). It would have been nice if the rest of the manual was included (disassembly procedure, theory of operation, etc.).
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The Service Manual for the Kenwood KR-V55R provided by owner-manuals.com was as described/advertised. The contents provided the necessary information to effect a diagnosis of the unit. The schematics above all else was instrumental in tracing the the signal flow from component to component.
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This manual was the factory original. Excellent value and contained all the details I needed. Easy dowwnload provided the information when I needed it.
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Impeccable, document très complet. Perfect, i get all i need. All schematic are correct. Thanks
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TABLE OF CONTENTS
Page Front page .............................................................................. 1-1 Table of contents ................................................................... 1-2 Survey of sets and features ................................................... 1-3 Survey of sets and boards ..................................................... 1-4
V. EXPLODED VIEWS AND PARTS LISTS
Mechanical parts list .............................................................. 5-1 Electrical parts list .................................................................. 5-4
III. SCHEMATICS
Interconnection wiring diagram .............................................. 3-1 Block diagram - Tuner1, TV ................................................... 3-2 Block diagram - Power Supply, Large Signal,TXT ................ 3-3 Block diagram - In/Out, Audio ................................................ 3-4 Block diagram - Tuner2, Video .............................................. 3-5 Block diagram - Central Control, Deck Electronics ............... 3-6 TV Board (TVB) Power Supply (PS) - Schematic diagram .............................. 3-7 Deflection (LS) - Schematic diagram ..................................... 3-8 Tuner 1 (TU1) - Schematic diagram ...................................... 3-9 TV Processing (TV) - Schematic diagram ........................... 3-10 Input/Output (IO_1) - Schematic diagram ........................... 3-11 View Selector Audio (SF) - Schematic diagram .................. 3-12 Amplifier (AMP) - Schematic diagram ................................. 3-13 Teletext Controller (COTV) - Schematic diagram ................ 3-14 Recorder Unit Board (RUB) Power Supply (PS) - Schematic diagram ............................ 3-15 Central Control 1 (AIO1) - Schematic diagram .................... 3-16 Central Control 2 (AIO2) - Schematic diagram .................... 3-17 Deck Electronics (DE) - Schematic diagram ....................... 3-18 Clock, VPS, Buzzer (CVB) - Schematic diagram ................ 3-19 Tuner 2 (TU2) - Schematic diagram .................................... 3-20 Sound Processing (AP) - Schematic diagram ..................... 3-21 FM-Audio Processing (AF) - Schematic diagram ................ 3-22 Linear Audio Processing (AL) - Schematic diagram ............ 3-23 Video Signal Processing (VS) - Schematic diagram ........... 3-24 SECAM Processing (VSEC) - Schematic diagram ............. 3-25 Head Amplifier (HA) - Schematic diagram .......................... 3-26 Headphone, Front-AV Board (HPAV) Schematic diagram .............................................................. 3-27 CRT-Board (PT) Schematic diagram .............................................................. 3-28 Audio Board (APDOD) Pre Amplifier (ACO) - Schematic diagram ........................... 3-29 Audio Processing (AF2) - Schematic diagram .................... 3-30 Sound Feature Board (SFD) Schematic diagram .............................................................. 3-31 Cinch Out, Scart 2 Board (DOSCD) Schematic diagram .............................................................. 3-32 Keys & Display Board (KB1D) Schematic diagram .............................................................. 3-33 Key Board (KB2D) Schematic diagram .............................................................. 3-34 Mainsfilter Board (MFSWD) Schematic diagram .............................................................. 3-34 Variant list Tuner 1 - TV Board (TVBAD) .............................................. 3-35 Tuner 2- Recorder Unit Board (RUBAD) ............................. 3-36
IV. CIRCUIT BOARD DIAGRAMS
Sound Feature Board (SFD) .................................................. 4-1 Mainsfilter Board (MFSWD) ................................................... 4-1 Audio Board (APDOD) ............................................................ 4-1 TV Board (TVBCD), CRT Board, HPAV Board, Switch Board .. Components side .................................................................... 4-2 Copper side ............................................................................ 4-5 TV Board (TVBDD), CRT Board, HPAV Board, Switch Board .. Components side .................................................................... 4-6 Copper side ............................................................................ 4-9 Recorder Unit Board (RUB2D) Components side ................................................................. 4-10 Copper side .......................................................................... 4-11 Cinch Out, Scart 2 Board (DOSCD) .................................... 4-12 Keys & Display Board (KB1D, KB2D) ................................ 4-12
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