T+A Elektroakustik P 1230 R, Руководство по обслуживанию

Страница: 3 / 58

3
INHALTSVERZEICHNIS / Table of Contents
-----------------------------------------------------------------------
ALLGEMEINES / GENERAL INFORMATION .......................................................................................................................4
G
ERÄTESICHERHEIT
/ S
ECURITY
......................................................................................................................................................4
E
RSATZTEILE
, A
NFRAGEN
/ S
PARE
P
ARTS
& R
EQUESTS
..................................................................................................................5
B
AUGRUPPEN
-T
EILENUMMERN
M
ODULE PARTS NUMBERS
..........................................................................................................5
Mechanischer Aufbau Mechanical Construction / Dismantling Hints .....................................................................................6
Gehäuse / Case 1230.............................................................................................................................................................6
Gehäuse - Case 1530.............................................................................................................................................................6
B. SCHALTUNGSBESCHREIBUNG / CIRCUIT DESCRIPTION ......................................................................................6
Übersicht – Blockschaltbild / Overview ...................................................................................................................................7
1 S
TEUERUNG
/ B
EDIENPLATINE
- F
RONT PANEL AND CONTROL
.................................................................................................8
1.1 Gerätetastatur - Keyboard ..........................................................................................................................................8
1.2 Fernbedienung, R-Link - Remote Control, R-Link ....................................................................................................8
1.3 Ansteuerung der Schalt- und Anzeigeelemente - Control of LEDs, Volume-Pot and relays ......................................9
1.4 Protection..................................................................................................................................................................10
2 E
INGANGSTEIL
.....................................................................................................................................................................11
2.1 Eingangswahlschalter - Input selector (listening source) ........................................................................................11
2.2 Eingangsverstärker - Input amplifier ......................................................................................................................11
2.3 RECORD-Wahlschalter, TAPE-Anschlüsse - Record selector, Tape ......................................................................11
2.4 Surround-Interface (TASI) ........................................................................................................................................11
2.5 PRE-Ausgänge – PRE Outputs .................................................................................................................................12
2.6 XLR Ausgang - Balanced Output ............................................................................................................................12
2.7 Erweiterungsstecker PHONO (J1) - PHONO Socket ...............................................................................................12
3 H
OCHPEGELVERSTÄRKER
, K
LANGREGELUNG
– PRE-
AMPLIFIER
/ TONE C
ONTROL
.............................................................12
4 N
ETZTEIL UND
E
NDSTUFEN
– P
OWER
S
UPPLY AND
P
OWER AMPLIFIERS
.................................................................................13
4.1 Netzteil P1230R – Power Supply P1230R.................................................................................................................13
4.2 Netzteil PA und Receiver - Power Supply PA and receiver.......................................................................................13
4.2 Endstufen...................................................................................................................................................................14
4.2.1 Abgleich der Endstufen – Adjustment of Power Amplifiers ..................................................................................14
4.3 Schutzschaltung (Protection) ....................................................................................................................................15
5. T
UNERTEIL
(
NUR
R1230R ) .................................................................................................................................................16
5.1 Steuerung - Control...................................................................................................................................................16
5.2 Frontend und ZF-Verstärker – Frontend & IF stage ................................................................................................16
5.3 FM-Demodulator und Stereodecoder – FM demodulator & stereo decoder ............................................................16
5.4 Abstimmsystem – Tuning System ...............................................................................................................................17
5.5 Regelung der Eingangsstufe - Input Gain Control..................................................................................................17
5.6 RDS-Decoder ............................................................................................................................................................17
5.8 Abgleichanleitung Tuner – Adjustment of the FM tuner ...........................................................................................18
C. TECHNISCHE DATEN - SPECIFICATIONS.................................................................................................................21
1. VORSTUFE P
RE
-AMP.....................................................................................................................................................21
2. ENDSTUFE - P
OWER
A
MP
................................................................................................................................................22
3. RDS FM T
UNER
......................................................................................................................................................................23
D. SCHALTPLÄNE / BESTÜCKUNGSPLÄNE CIRCUIT & ASSEMLY DIAGRAMS .................................................24
L
IST OF CIRCUIT AND ASSEMBLY DIAGRAMS
..................................................................................................................................24
Sonderbauteile / Special parts........................................................................................................................................24
Bedienteil / Front panel board P1230R / PA1230R...............................................................................................................24
Bedienteil / Front panel board R1230R .................................................................................................................................24
Eingangsteil / Input-amp / input selector / TASI ....................................................................................................................24
Pre-Amp / Volume- & Tone Control.......................................................................................................................................24
Endstufe / Power Amplifier PA & R .......................................................................................................................................24
Netzteil / Power Supply/R-Link P1230R.................................................................................................................................24
Lautsprecher, Relaisplatine / Loudspeaker Relay Board .......................................................................................................24
RC / R-Link / Fan Control PA&R...........................................................................................................................................24
FM Tuner R1230R..................................................................................................................................................................24
Phono-Pre-Amp (MM)............................................................................................................................................................24
Phono-Pre-Amp (MC) ............................................................................................................................................................24
XLR-(balanced) output module (P1230R)..............................................................................................................................24