Revox C 270 Schematic

Page 1

@TUEER REVOX C270

INHALT SeitE.
LOCAT I ON OF ASSEMBL I ES

FRONT VI EN 6/ 1
BACK VIEW 6/ 2
LOCATION OF JUMPERS AND ADJUSTING ELEMENTS 6/3
VU-PEAK BOARD ADJUSTING ELEMENTS 6/4
WIRING DIAGRAMS

WIRING BLOCK DIAGRAM 6/5
WIRE HARNESS MONITOR 1 . 777 . 820. OD 6/7
LINE PBTFIETER OUTPUT 1. 7 7. 825. GO 6/3
CONNECTION UNIT 1.777.830.00 6/9
TAPE DECK CONTROL DIAGRAMS

SPOOLING SERVO BLOCK DIAGRAM 6/1 1
CPU BLOCK DIAGRAM 6/12
CAPSTAN SERVO DIAGRAM 6/ 1 3
MAINS TRANSFORMER 1 . 777 . 3OO . OO 6/ l 5
DISTRIBUTOR BOARD 1 . 777.320.00 6/17
CONTROL BOARD 1 . 777. 400. 22 6/ l9
TENSION ARM BOARD 1.777.211.00 6/23
TAPE MOVE SENSOR PCB 1 . O2O 6. OO 6/25
TAPE SENSOR BOARD 1. 058 . 312 . GO 6/27
TACHO BOARD 1 . 777 . 25D . DO 6/29
CAPSTAN SERVO BOARD 1 .777.410.21 6/31
CAPSTAN SERVO BOARD 1 . 777 . 41 2. 2 1 6/35
FAST START BOARD 1 . 777 . 41 4 . OO 6/39
CONNECTION BOARD 1 .777.441 . OO 6/41
KEYBOARD 1 . 777 . 458 . DO 6/43
KEYBOARD 1 . 777 . 45 1 . 08 6/45
AUD I O D I AERAMS

AUDIO BLOCK DIAGRAM 6/47
AUDIO BASIS BOARD 1.777.500.81 6/49
MIC-LINE-SWITCH BOARD 1 .777.520.00 6/53
INSTALLATION INSTRUCTIONS FOR THE MIC OPTION BOARD 6/55
RECORD EOUALI ZER BOARD 1 . 777 . 54O . OO 6/57
RECORD SPEED BOARD 9.5/19 IEC 1.777.550.08 6/59
RECORD SPEED BOARD 19/38 IEC 1 .777.552.00 6/61
RECORD SPEED BOARD 9.5/38 IEC 1 .777.554.00 6/63
RECORD SPEED BOARD 1 9/38 NAB 1 . 777 . 558 . OO 6/67
RECORD SPEED BOARD 9. 5/38 NAB 1 . 777. 559. OD 6/69
ERASE AMPLIFIER BOARD 1 .777.560. 81 6/71
BIAS CONTROL BOARD 1 . 777 . 570. Eu 6/73
PREAMFLIFIER BOARD 1.777.610.00 6/75
REPRODUCE EOLIALIZER BOARD 1 .777.620. DO 6/77
REPRO SPEED BOARD 9. 5/ 19 IEC 1 . 777. 6313. DO 6/79
REPRO SPEED BOARD 19/38 IEC 1 .777.632.00 6/81
REPRO SPEED BOARD 9. 5/38 IEC 1 . 777. 634. 88 6/83
REPRO SPEED BOARD 9. 5. /19 NAB 1. 777. 636. 08 6/85
REPRO SPEED BOARD 19/38 NAB I . 777. 638. OD 6/87
REPRO SPEED BOARD 9. 5/38 NAB 1. 777. 639. OD 6/89
OUTPUT AMPLIFIER BOARD 1.777.640.00 6/91
AUDIO SWITCH BOARD 1 . 777. 462. OD 6/93
AUDIO SWITCH BOARD 1.777.463.00 6/95
VU-PEAk BOARD 1 . 777. 46D. 00 6/97

SECTION 6

Page 2

FIEVOX 0270

Subject to change
Prepared and EdltEd by
STUDER REVDX

TECHNICAL DOCUMENTATION
Althardstrasse I)?!
CH-BIIZIS FEgensdnrf-Zul'ich

Copyright by WILL] STUDER AG
Printed in Switzerland

Order ND.: 113.3%.(21691 (Ed. E439)

REVDX is a rEgistrEd trade mark of NILLI STUDER AB
Regendnrfi

Page 54

STIQQJERI HEVOX c270 6/56

Instruction de montaqe pour I'option microphone C270.

Contenu: 1 Carte option microphone 1.777.520.00
2 gTissiéres de guidage 1.088.300.07

Outiiiage: cié 6-Dans No.2.5
Tourne-vis a croix No.2

Instructions:

- retirer Ia fiche secteur.

- eniever 1e boitier aprés avoir retiré Tes 8 vis 6-pans TatéraTes ainsi que 1es 4 vis des
pieds.

- ouvrir vers 1e haut 1e panneau des VU-métres aprés avoir retiré has 4 vi: 6-pans.

- ouvrir 1e: 2 contacts WIOI et N201 (A) du AUDIO BASIS PRINT: peser sur Textrémité Iibre
et dégager 1e Contact sur Te caté.

- introduire Tes 2 glissiéres dans Tes trons prévus a cet effet, tout a gauche des cartes
audio.

- Sur Te circuit1.777.520.00 choisir Ta sensibiTité dentrée a Taide de P101 (CH1) et de
P201 (CH2) (B). LOW (-70 a -36 dBU) ou HIGH (-38 a -8 dBU).

- introduire Ta carte 1.777.520.00 dans Ies contacts .111 et J13 (C) de 1a carte AUDIO
BASIS PRINT 1.777.500.81.

- mettre 1e 6e contact de i'interrupteur DIL 521 (D) en position ON, sur 1a carte CONTROL
PRINT 1.777.400.22.

- refermer Te panneau VU-métres at 1e boitier.

Remarques: - Cette modification ne nécessite pas de régTage de
T'appareii. Consulter aussi Te mode demploi.

BE
Qx .

a
Em ea

3 LOW
_ -70/-36dEU

HIGH
V -38/-8dBU

J

P201
CH2

.

'r v-Mm
» " mu} '
I
Tam-77n- P201

#9 ,..IE CH1

1.777.500.81 1.777.520.00 1.777.400.22