Kawai k4 k4r service manual

Page 2

CONTENTS

1_ P.W.B INFORMATION ............................................................ 1
2- SEMICONDUCTORS LIST ......................................................... 2
3. PARTS LIST For K4 ............................................................. 2
4V DISASSEMBLY DRAWING For K4 ......................................... V ...... 3
5. PARTS LIST For K4r ............................................................ 4
6' DISASSEMBLY DRAWING For K4r ............................................... 4
7_ K4 BLOCK DIAGRAM ............................................................ 5
8. K44: BLOCK DIAGRAM ........................................................... 6
9- MI_051 PRINTED WIRING BOARD For K4 ...................................... 7
10- MI_051 CIRCUIT For K4 ........................................................ 8
11' MI_056 CIRCUIT For K4r ....................................................... 9
12 MI_°56 PRINTED WIRING BOARD For K4r .................................... 10
13. MI-osz, 053, 054, 055 PRINTED WIRING BOARDS ----------------------------- 11
14. MI_052' 053' 054 055 CIRCUITS ............................................... 12
15. MI-057, 058, 059 PRINTED WIRING BOARDS --------------------------------- 13
16. MI_°57 058 059 CIRCUITS .................................................... 14
17- K60PB161, 162 (KEYBOARD) CIRCUITS ......................................... 15
1 8 TROUBLESHOOTING ............................................................. 1 6

1. P.W_B. INFORMATION

K4
P.W.B. Name Code No. Description
051 (l): #:18an k 236283 MI-051 : MPU, CARD BUFFER, RESET, RAM,CODE
220/2403; markets ROM, ADDRESS DECODER, DCO, DCA, KEY
(2). US A. Canada 236284 SCAN, VELOCITY SENSOR, WAVE ROM,
(3) : A-us-trélia U K 236285 DCF. EFFECT, PAN POT, LINE GATE, MIDI,
' ' ' " AUDIO, D/ A, POWER SUPPLY
West Germany
Europe
Ml-052-055 (I) :All Markets 236286 MI-052: PRESSURE SENSOR
MI-053 : VOLUME
Ml-054: DATA ENTRY (VALUE)
MI-055: PANEL SWITCHES
K4r
P.W.B, Name Code No. Description
MI-056059 (I) : Japan 236290 MI~056z MPU, CARD BUFFER. RESET, RAM, CODE
110V Markets ROM, ADDRESS DECODER. DCO, DCA,
220/ 240V Markets WAVE ROM, DCF, PAN POT, MIDI, AUDIO,
(2) : U.S.A.. Canada 236291 D/A. POWER SUPPLY
(3) : Australia, UK, 236292 MI-057: PANEL SWITCHES
West Germany MI-OSB: VOLUME
Europe Ml-OSQ: DATA ENTRY (VALUE)