Marantz SR8100DC Service Manual page 2

. P.W. BOARDS
INTRODUCTION "4
This service manua! was prepared for use by Authorized 1, Tuner {PRONG «3 2. sack see a ee ee eee ee P100 © ees
Warranty Stations and contains service information for 2: Controiler 2. eon aka Vad nik deco a Seti P5000.
Marantz Model SR-8100DC Stereophonic Receiver. 3. VFL. and Signa! LED. .............-.-4 PSOt
* A, PEband LPF. wn. cee eee ee we P502
Servicing information and voltage data included in this 5. Controller and F.1.P.Jumper ............ P503
manual are intended for use by the knowledgeable and ex- 6. Controlier and PLL Jumper .. 2... 2... 2 ee P504
perienced technician only. All instructions should be read 7. MainAmp ... 0.00.00. 0 0 cee eee ee ee ee PPOO
carefully. No attempt should be made to proceed without §. (Main: AMP sd.5. 5 fee ha Geen ete an esas P701 7
a good understanding of the operation of the receiver. 9. Power Supply 2.2.0... eee ee eee P8&00
10. Scan Step SW. 2... see eae. Sct hat Ga PC5O
The parts list furnishes information by which replacement Ts TONGSAM Pe ies, oP ae a eek est tke PEOO ie
parts may be ordered from the Marantz Company. A simple 12. Tone Volume............. Se a A N G e h l n p ede: abst PEO1
description is included for parts which can usually be ob- 13. Connection... 6... eee PEQ2
tained through local suppliers. 14, Vol/Balance... 2... ee ee ee ee POO
15, Tape Monitor SW... ee ee PJO1
16. Protector ioscan Can) p86 bea ee eae PLOGO
47. AC Power Relay ............-.-22-00005 PQOO
18, Filter/Loudness ..........2....2 0.20005 Psoo
19. Speaker Terminal ...... b e b e , ean Spapheeuce S PSO7
20. Timer Switch .......0004 ge sp cklins sae ached PS5O =
21... KOY Board sec ek es ate cc wig aes he Sear es PTOO ne
22. Power Off Switch ......-...........-., PT50
232. FUNCTION SW. 6 oss eles ae aa ee ane, eee PUQO
24. - C/E DIislay® atsscecseee-sad ie ecw bok ey oa ee ti PU5O
25. Head Phone... 2... eee ee PWO1
2, TEST EQUIPMENT REQUIRED FOR SERVICING
This table lists the test equipment required for servicing the Model SR-81G0DC Receiver, : c -
{tem Manufacturer and Model No. Use
AM Signal Generator i Signal source for AM alignment —
Test Loop . | ; ; : Use with AM Signal Generator
. i i Signal source for FM alignment
. py ne ceca | rae se Stereo separation alignment and trouble
shooting
Distortion Analyzer Distortion measurements
Audio Qscillator : reas aaa Sinewave and squarewave signal source
AC VTVM Voltage measurements (AC}
Gistilioseoise Tektronix Model T932 Waveform analysis-and trouble shooting and ?
canned "Philips Model 3232 _ASO alignment
Frequency Counter Fluke Model 1900A MPX Oscillator adjustment (VCO)
Circuit Tester ; : Trouble shooting
Fluke Model 8000 "Digital" Simpson
DC VTVM Model 313, Triplet Model 801 Voltage open bill (DC}
AC Wattmeter Simpson Madet 1379 . Monitors primary power to amplifier
Ker Ree atag | Commercial Grade (1-10A) Monitors amplifier output under short circuit
i condition .
Line Voltmeter | Simpson Model 1359 pics potential of primary power to
peepee
; Superior Electronic Co.,. oe ; : a
Variable Autotransformer | Powerstat Model 116B- 104 a Adjusts level of eripaly power to amplifier
: Use phono plug with 600-ohm _ Shorts amplifier, input to elminiate noise
Shorting Plug across center pinand shell |: pickup. _ he
Output Load {8 ohms, Provides 8-ohm load for: appl ifier output a
+0.5%,700W) =. - Commercial Grade = termination | o
Output Load (4 ohms, Provides 4-ohm ioad for aye ifier output
_ Commercia! Grade
£0.5%, 100W) termination