Marantz SR7200 Series User Manual

AV Surround Receiver
SR7200
322W855010 MIT
3120 785 22810
First Issue 2001.12
Service
Manual
SR7200 /K2G, /N2G, /N2B, /U2B
R
SR7200
Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
TABLE OF CONTENTS
1. TECHNICAL SPECIFICATIONS .................................................................................. 1
2. WIRING DIAGRAM ...................................................................................................... 3
3. BLOCK DIAGRAM ........................................................................................................ 5
4. SCHEMATIC DIAGRAM ............................................................................................... 7
5. PARTS LOCATION .................................................................................................... 25
6. IC DATA ..................................................................................................................... 38
7. EXPLODED VIEW AND PARTS LIST ........................................................................ 41
8. ALIGNMENT PROCEDURES .................................................................................... 45
9. ELECTRICAL PARTS LIST ........................................................................................ 48
AV SURROUND RECEIVER SR7200
UP
SURROUND VOLUME
DOWN
DSS/VCR2 AUX VCR1 DVD TV CD CDR/MD TAPE TUNER
MEMORY TUNING/PRESET MODE F/P CLEAR
NIGHT
ATT
DISPLAY OFF
SLEEP S-DIRECT DIMMER
MUTE
A/D7CH INPUT
POWER ON/STNDBY PHONES
STANDBY
AUX INPUT
BSPEAKERSA
MULTI ROOM
MULTI ROOM
S-VIDEO VIDEO L AUDIO R
A
SLEEP
MUTE
ANALOG
DIGITAL
MLP PCM
RF AUTO LOCK CIRCLE SURROUND EX MPEG DIRECT MEMORY PRESET SW LFE
SRSCSLRTTAPTYAUTOTUNEDDSP SOUNDVIRTUAL
1 2 3 4 5 6
DIGITALDTS
THX
RCLCTTPEONRDSSTEREOTAPE 2 MON
PRO LOGIC
VIDEO SET
B
DOLBY
/K1G, /N1G, /N1B, /U1B

Marantz SR7200 Series Specifications

General

Brand	Marantz
Model	SR7200 Series
Category	Stereo Receiver
Language	English

Summary

Technical Specifications

FM Tuner Section

Detailed specifications for the FM tuner, including frequency range and sensitivity.

Audio Section

Specifications for audio output power, input sensitivity, and signal-to-noise ratio.

General

Technical data on power requirements, dimensions, and unit weight.

Wiring Diagram

Wiring Diagram

Diagram illustrating the internal electrical connections between different circuit boards.

Block Diagram

Block Diagram

Overview of the receiver's functional blocks and signal flow.

Schematic Diagram

Main B'D

Detailed circuit schematic for the main control and processing board.

Amp B'D

Circuit schematic for the amplifier section, detailing power output stages.

Front B'D

Schematic diagram for the front panel interface and controls.

Parts Location

Main

Visual guide showing the physical placement of components on the main board.

IC Data

IC301 LC75721E

Technical data, pinout, and functions for the LC75721E integrated circuit.

IC720 CS4391

Technical data, pinout, and functions for the CS4391 DAC integrated circuit.

Exploded View and Parts List

Main Circuit Board Parts

Comprehensive list of components for the main circuit board with part numbers.

Alignment Procedures

Tuner - 2-1. Alignment Test Point

Identification of specific test points for tuner calibration.

Tuner - 2-4. FM Alignment

Step-by-step procedures for aligning the FM tuner section.

Electrical Parts List

Resistors

Detailed list of all resistors used in the unit with specifications.

Capacitors

Detailed list of all capacitors used in the unit with specifications.

Note on Safety

Critical safety warnings and precautions for service personnel.