Geräte Informationen:

Pioneer SX-750 Receiver
Hersteller:
Pioneer
Modell: SX-750
Datum:
Kategorie: Audio, Video, TV, Multimedia
Gruppe: Receiver
Beschreibung: AM/FM Stereo Receiver
Informationen:
                                    Semiconductors
FET............................................................................
1
ICs..............................................................................
7
Transistors
................................................................42
Diodes.......................................................................40
Amplifier Section
Continuous Power Output from 20 Hertz to 20,000 Hertz (Both
channels driven) . . 50 watts per channel (8 ohms) 60 watts
per channel (4 ohms)
Total Harmonic Distortion
(20 Hertz to 20,000 Hertz, from AUX)
Continuous Rated Power Output ... No more than 0.1% 25 watts
per channel power
output, 8 ohms ......................No more than 0.05%
1 watt per channel power
output, 8 ohms ......................No more than 0.05%
Intermodulation Distortion
(50 Hertz: 7,000 Hertz=4:1, from AUX)
Continuous Rated Power Output . . No more than 0.1% 25 watts
per channel power
output, 8 ohms ......................No more than 0.05%
1 watt per channel power
output. 8 ohms........................No more than 0.05%
Damping Factor
(20 Hertz to 20,000 Hertz)................................... 30
Input (Sensitivity/Impedance)
PHONO ........................................ 2.5mV/50k ohms
MIC................................................. 5mV/50k
ohms
AUX ............................................ 150mV/50k ohms
TAPE PLAY 1............................... 150mV/50k ohms
TAPE PLAY 2............................... 150mV/50k ohms
TAPE PLAY 2 (DIN connector) ... 150mV/50k ohms PHONO
Overload Level (T.H.D. 0.1%)
............ 200mV (1 kHz)
Output (Level/Impedance)
TAPE REC
1..................................................150mV
TAPE REC
2..................................................150mV
TAPE REC 2 (DIN connector) ........ 30mV/80k ohms
SPEAKER................................................. A,
B, A+B
HEADPHONES................................. Low Impedance
Frequency Response
PHONO (RIAA equalization)
..........30 Hertz to 15,000 Hertz ±0.2dB
AUX, TAPE PLAY
...............10 Hertz to 50,000 Hertz ^B
Tone Control
BASS.........................................+8dB, —7dB (100 Hz)
TREBLE....................................+9dB, -7dB (10 kHz)
Filter
HIGH...............................................6 kHz
(6dB/oct.)
Loudness Contour (Volume control set
at -40dB position)____+6dB (100 Hz), +3dB (10 kHz)
Hum and Noise
(IHF, short-circuited, A Network, rated power)
PHONO
.............................................................70dB
AUX, TAPE PLAY.............................................90dB
FM Section
Usable Sensitivity MONO
. 10.7dBf (1.9/iV)
STEREO............
. !9.0dBf (9.8μν)
50dB Quieting Sensitivity
MONO
17.2dBf (4.0μν)
STEREO............
. 39.2dBf (50/iV)
Signal to Noise Ratio at 65dBf
MONO
.............. 72dB
STEREO ...........
............. 67dB
Distortion at 65dBf 100Hz..
MONO .
..............0.15%
STEREO
.............. 0.3%
1kHz ...
.MONO .
..............0.15%
STEREO
.............. 0.3%
6kHz ...
.MONO .
.............. 0.4%
STEREO
.............. 0.4%
Frequency Response............
30H/ to 15,000Hz dB
Capture Ratio .......................
.............1,0dB
Alternate Channel Selectivity . .
.............. 80dB
Spurious Response Ratio . . . .
.............. 90dB
Image Response Ratio...........
.............. 80dB
IF Response Ratio................
.............. lOOdB
AM Suppression Ratio...........
.............. 55dB
Muting Threshold..................
. 14dBf (2.8μν)
Stereo Separation.................
. 40dB (1 kHz), 30dB (30Hz
~ 15kHz)
Subcarrier Product Ratio
.............. 62dB
SCA Rejection Ratio..............
.............. 62dB
Antenna Input.......................
75 ohms unbalanced

Folgende Anleitungen sind für obiges Gerät verfügbar:

Pioneer -- SX-750 -- Serviceanleitung
Dateiname: Pioneer-7230-Manual-Page-1-Picture
Dokumenttyp: Serviceanleitung
Seitenanzahl: 79
Dateigröße: 9.25 Mbytes (9702463 Bytes)
Sprache: Englisch
Revision:
Dokument-ID/Nummer:
Datum:
Qualität: Gescanntes Dokument, alles ist lesbar.
Upload Datum:
MD5: 3e2c16eaf09f6e0a76481be0d40509f1
ed2kID: cce12a93c9985346099072155a473840
Downloads: 37 seit 27 September 2015
Informationen:
This Service Manual is applicable only to the KC, KU model.
CONTENTS
1.
SPECIFICATIONS.................................................................................................................
5
2. FRONT PANEL
FACILITIES..............................................................................................
7
3. CONNECTION DIAGRAM
..................................................................................................
9
4. BLOCK
DIAGRAM...................................................................................................................11
5. CIRCUIT DISCRETIONS
5.1 AM
Tuner..........................................................................................................................13
5.2 FM
Tuner..........................................................................................................................13
5.3 FM Muting
Circuit............................................................................................................15
5.4 Phono Equalizer
Amplifier...............................................................................................15
5.5 Microphone Circuit
..........................................................................................................15
5.6 Tone
Control.....................................................................................................................15
5.7 Protection
Circuit..............................................................................................................16
5.8 Power Amplifier
Circuit...................................................................................................17
5.9 Power
Supply.....................................................................................................................17
6. ADJUSTMENTS
6.1 AM Section
.......................................................................................................................18
6.2 FM
Section........................................................................................................................19
6.3 MPX
Adjustment.............................................................................................................20
6.4 Power Amplifier Section
................................................................................................21
7. DIAL CORD
STRINGING.......................................................................................................22
8. LEVEL DIAGRAM
..................................................................................................................23
9.
DISASSEMBLY.......................................................................................................................24
10. PARTS LOCATION
10.1 Front Panel
View.............................................................................................................25
10.2 Front Panel View (with removed front panel)
.............................................................27
10.3 Top
View...........................................................................................................................29
10.4 Bottom
View....................................................................................................................31
10.5 RearView
........................................................................................................................33
11. EXPLODED
VIEW....................................................................................................................35
11.1 Parti
................................................................................................................................37
11.2 Part
II................................................................................................................................38
11.3 Part
III..............................................................................................................................39
11.4 Part
IV..............................................................................................................................40
11.5 Part
V................................................................................................................................41
11.6 Part
VI..............................................................................................................................42
11.8
Packing................................................................................................................................44
12. SCHEMATIC DIAGRAMS P.C. BOARD PATTERNS AND PARTS LIST
12.1 Schematic
Diagrams..........................................................................................................45
12.2 Miscellaneous
Parts............................................................................................................47
12.3 Internal Circuitry of Integrated
Circuits.........................................................................48
12.4 Filter & Muting Assembly
(AWM-094)...........................................................................50
12.5 Tone Control Assembly
(AWG-046)................................................................................52
12.6 Power Amplifier Assembly (AWH-046)
.........................................................................54
12.7 Power Supply & Protection Assembly
(AWR-099)........................................................58
12.8 Power Supply Assembly (AWR-100)
..............................................................................62
12.9 Headphone Jack Assembly (AWX-106)
.........................................................................64
12.10 Tuner, AF & Control Assembly
(AWE-073)...................................................................65
12.11 Amplifier Assembly
(AWK-065)......................................................................................73
12.12 De-emphasis Switch assembly (AWX-095)
.....................................................................74
Pioneer-7230-Manual-Page-1-Picture
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