Pioneer SX-1250 Receiver
Manufacturer:
Model:
SX-1250
Date:
0
Category:
Group:
Description:
AM/FM Stereo Receiver
Cirquit Diagram
Manual type:
Cirquit Diagram
Pages:
4
Size:
287.17 Kbytes (294066 Bytes)
Language:
english
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Scanned document, reading partly badly, partly not readable.
Upload date:
2015 09 27
MD5:
287fe11f93251cc67fc7b4a0122398b9
Downloads:
981
Cirquit Diagram
Manual type:
Cirquit Diagram
Pages:
3
Size:
1.10 Mbytes (1148929 Bytes)
Language:
english
Revision:
Manual ID:
Date:
Quality:
Scanned document, reading badly, partly not readable.
Upload date:
2015 09 27
MD5:
452430dc0620ededcdb3c2338725a365
Downloads:
672
Service Manual
Manual type:
Service Manual
Pages:
124
Size:
6.73 Mbytes (7056628 Bytes)
Language:
english
Revision:
Manual ID:
ART-158-0
Date:
Quality:
Scanned document, reading partly badly, partly not readable.
Upload date:
2015 09 27
MD5:
6fc5aeb1cae243479bb170aed3a3d291
Downloads:
971

Information

1. SPECIFICATIONS ... 4 Z FRONT PANEL FACILITIES ... 6 3. CONNECTION DIAGRAM ... 9 4. CIRCUIT DESCRIPTIONS 4.1 Tuner Section ... 11 4.2 Audio Section ... 14 4.3 Protection Circuit ... 17 4.4 Power Supply Circuit ... 18 5. LEVEL DIAGRAM ... 19 6. BLOCK DIAGRAM ... 20 7. DISASSEMBLY ... 22 8. PARTS LOCATION 8.1 Front Panel View ... 25 8.2 Rear Panel View ... 27 8.3 Top View ... 29 8.4 Bottom View ... 31 8.5 Front View ... 33 9. ADJUSTMENTS 9.1 AM Tuner ... 35 9.2 FM Tuner ... 36 9.3 Power Amplifier ... 38 9.4 Stabilizer ... 38 10. DIAL CORD STRINGING ... 39 11. EXPLODED VIEWS ... 40 12. SCHEMATIC DIAGRAMS. P.C. BOARD PATTERNS AND PARTS LISTS 12.1 Miscellaneous-parts ... 51 12.2 Schematic Diagram ... 53 12.3 Internal Circuitry of Integrated Circuits ... 55 12.4 The Circuit of FM Front End (AWB 023) ... 56 12.5 Tuner Assembly (AWE-068) ... 57 12.6 De-emphasis Switch Assembly (AWX-099) ... 63 12.7 Equalizer Amplifier Assembly (AWF 021) ... 64 12.8 Function Switch Assembly (AWS-094) ... 68 12.9 Flat Amplifier Assembly (AWG 042) ... 70 12.10 5P Connector Assembly (AWX 062) ... 75 12.11 Control Amplifier Assembly (AWG 041) ... 76 12.12 Filter Amplifier Assembly (AWM 089) ... 80 12.13 Microphone Jack Assembly (AWX-097) ... 83 12.14 Power Amplifier Assembly (AWH-048) ... 84 12.15 Speakers Switch Assembly (AWS-095) ... 88 12.16 Protection Circuit Assembly (AWM-091) ... 90 12.17 Stabilizer Assembly (AWR-106) ... 93 12.18 Power Supply Assembly (AWR-107) ... 96 13. PACKING ... 98 14. PARTS LIST OF EXPLODED VIEWS ... 99 15. SUPPLEMENTS FOR SX 1250/HG AND SX-1250.S 15.1 Contrast of Miscellaneous-parts ... 101 15.2 Schematic Diagram for SX-1250.S ... 103 15.3 Schematic Diagram for SX· 1250/HG ... 105 15.4 De-emphasis Switch Assembly (AWX-101, for S type) ... 107 15.5 Speakers Switch Assembly (AWS 098, for HG type) ... 108 15.6 Power Supply Assembly (AWR-108, for HG type) ... 110

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