Marantz 1250 - Page 2

Section Title Page
1.
2
10.
11.
Power Amplifier Adjustment .. 2... 2. ee ee ee 1
1.1 Adjustment of Idling Current 2... 1 1. ee es 1
1.2 DC-Offset Adjustment .. 2... 2. ee 1
Power Supply Adjustment . 2... 0. ee ee ee 1
Test Equipment Required for Servicing .. 2... ee ee ee ee es 2
Major Component Locations ... 1... 2 ee es 4
4.1 -Cabinet-Front View . 2... 0 0 ee ee ee ee 4
4.2. Chassis-Top View ......... 2000004 ee ee ee ee ea ee 4
4.3 Cabinet-Rear View . 2... 0 eee eee ee ee ee 5
4.4 Chassis-Bottom View ... 2.0 ee eee ee 5
45 Cabinet-Rear View-EUROPE ....... 0... 2p eee ee ee es 6
4.6 Chassis-Bottom View-EUROPE..... 2... 2. eee ee 6
Voltage Conversion for European Model... 1... ee ee ee et ee es 7
Schematic Diagrams and: Component Locations ........-6.5+0+208: aeindye “0
6.1 Selector Switch (PSOO) 2... 1... ee es 8
6.2 Rotary Switei(PJ00). -s 2 a6 4s eece ee sle Sel PoE we eb we 9
6.3. Phono and Mic Amp (P400) ..... 2... eee ee ws 10
6.4 Pre and Tone Amp (PEOQO) .. 1... 2... ee ee ee 11
6.5 Tone and Volume (PFOO) .......... 2.2 eee ee 12
6.6 Filter Amp (PHOO) ............. aie Busan eed eesbene: Gig ey Batelco 13
6.7. Power Amp (P7000)... . 0. ee 14
6:8: Power. Supply (P800) cco ark ee ee we eS Oa le ee 15
6.9 Relay (PNOO) .. 2... 1... 2 ee ee ee 16
6.10: Butter. Amp. (PGOO)? oo 603 4S ak ee Oo Se Pe ee oe Pa eo 16
Inter Connection Diagram «ww 1 17
Exploded Views ... 6.0 ec 19
8.1 Mechanical Exploded View ..... 2.2... 6 eee ee ee ee es 19
8.2 Packing Material Exploded View 2... 2... 2. ee ee es 21
Parts’ Mist. 4 sf, gas ds, tte a he ae gt ea Oe eae ee a ae 22
Technical Specifications ©. 6 2. 31
Schematic Diagrams .. 1... 33