Yamaha k 850

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T/ILT (j/ #57 1466/
fl 00/6?3/

KS 85(3)

SERVICE MANUAL

I FRONT PANEL

<09

6

0 Power Switch (POWER) ' 0 Stop Button I I STOP)

. Tape Counter/Reset Button . Fast Forward Button ( » F.FWD)

. Peak Level Meters . Record Muting Button (MUTE)

0 Microphone Jacks (MIC) . Auto Function Selector (AUTO FUNCTION)

. Headphones Jack (PHONES) _ . Tape Selector Buttons (TAPE)

0 Head Lid 0 Focus Button (FOCUS)

. Rewind Button ( « REW) . Dolby NR Button (DOLBY NR)

0 Record Standby Button (REC II ) 0 Output Level Control (OUTPUT)

. Playback Button I > FWD) . Record Level Control (REC LEVEL)
.CONTENTS

INTERNAL VIEW ............................................................. 1

DISASSEMBLY PROCEDURE ..................................................... 2

SPECIFICATIONS ............................................................. 3

BLOCK DIAGRAM ............................................................ 3

ADJUSTING POINTS ........................................................... 4

OVERALL ADJUSTMENT ....................................................... 5

IC FUNCTIONAL BLOCK DIAGRAM ................................................ 8

WIRING .................................................................... 10

SCHEMATIC DIAGRAM ......................................................... 12

SINCE "(KT

. YAMAHA

NIPFJUN GAKKI CO LTD HAMAMATSU JAPAN

'80 3 24K KT I... .... (9' Pnnted In Japan