Marantz SR-14EX Service Manual

AV Surround Receiver
SR-14EX/SR-14mkII
SR-17EX/SR-18EX
326J855010 MIT
3120 785 22430
First Issue 2000.12
Service
Manual
SR14A /N1G, /S1G, /U1G, /U1B
SR18A /K1G, /S1G, /U1G, /U1B
SR17A /F1N
R
SR-14EX/SR-14mkll
SR-17EX/SR-18EX
Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
TABLE OF CONTENTS
SECTION PAGE
1. TECHNICAL SPECIFICATIONS ................................................................................................................. 1
2. WIRING DIAGRAM ..................................................................................................................................... 3
3. BLOCK DIAGRAM ....................................................................................................................................... 5
4. SCHEMATIC DIAGRAM .............................................................................................................................. 7
5. PARTS LOCATION (Pattern Side) ............................................................................................................ 31
6. IC DATA .................................................................................................................................................... 51
7. EXPLODED VIEW AND PARTS LIST ....................................................................................................... 61
8. SERVICE PROGRAM ............................................................................................................................... 67
9. ELECTRICAL ADJUSTMENTS ................................................................................................................. 69
10. ALIGNMENT PROCEDURES ................................................................................................................... 71
11. TROUBLE SHOOTING ............................................................................................................................. 73
12. TECHNICAL DESCRIPTION FOR DECODER ......................................................................................... 76
13. ELECTRICAL PARTS LIST ....................................................................................................................... 78
Printed in Japan

Marantz SR-14EX Specifications

Amplifier Section

continuous power output into 8 ohms	140 + 140 W (left and right channels), 140 W (center channel), 140 + 140 W (surround channels)
frequency response	8 - 80 kHz ±3 dB
signal to noise ratio	106 dB

FM Tuner Section

FM station presets	50
usable FM sensitivity (mono)	16.4 dBf
signal to noise ratio (mono/stereo)	76/72 dB
stereo channel separation 1 kHz	45 dB
total harmonic distortion (mono/stereo)	.2/.3 %

General

power requirements	120 V, 60 Hz, 470 W
dimensions (H x W x D)	7[15]/32” x 18” x 19[3]/8” (190mm x 458mm x 493mm)
weight	58.4 lbs. (26.5 kg)