Denon AVR-1882 User Manual

Hi-Fi Component
SERVICE MANUAL
MODEL AVR-1802/882
AV SURROUND RECEIVER


 Some illustrations using in this service manual are slightly different from the actual set.
For U.S.A., Canada, Europe,
Asia, China, Hong Kong &
Taiwan R.O.C. model
14-14, AKASAKA 4-CHOME, MINATO-KU, TOKYO 107-8011 JAPAN
Telephone: 03 (3584) 8111
X0117 1174 NC 0109

Denon AVR-1882 Specifications

General

Power Output (8 ohms, THD)	0.08 %
HDMI Inputs	4
HDMI Outputs	1
Total Harmonic Distortion	0.08 %
Input Sensitivity	200 mV
Tuner Bands	AM/FM
HDMI Switching	Yes
Bluetooth	No
Wi-Fi	No
Ethernet	No
USB Port	No
Audio Formats Supported	Dolby Digital, DTS
Video Formats Supported	1080p
Response Bandwidth	10 - 100000 Hz
Input Impedance	47 kOhm
Digital Audio Inputs	2 Optical

Summary

SAFETY PRECAUTIONS

LEAKAGE CURRENT CHECK

Check for leakage current or line to chassis resistance before returning unit to customer.

ADJUSTMENT PROCEDURES

Tuner Section Alignment

AUDIO SECTION ADJUSTMENT

Idling Current Measurement and Adjustment

SEMICONDUCTOR IC DETAILS

CS493263-CL IC Functions

PARTS LIST - MAIN P.W.B. ASSY

PARTS LIST - PROCESSOR P.W.B. ASS'Y

PARTS LIST - PRE-AMP P.W.B. ASS'Y

SEMICONDUCTORS & RESISTORS GROUP

List of semiconductors and resistors on the pre-amp PWB.

PARTS LIST - DSP P.W.B. ASS'Y

SEMICONDUCTORS & OTHER PARTS GROUP

EXPLODED VIEW

Assembly Diagram with Part Numbers

WIRING DIAGRAM

System Interconnect Wiring Diagram

SCHEMATIC DIAGRAMS - INPUT UNIT (1/8)

Input Section Circuit Details

Schematic details for audio inputs like PHONO, CD, DUD/UDP, TU/DBS, VCR1, V.AUX.

Inter-Unit Connections

SCHEMATIC DIAGRAMS - DSP UNIT (2/8)

DSP and Memory IC Connections

Schematic showing CS49329 and W24L257AJ-12 IC connections.

Audio Processing IC Connections

Schematic showing LC89055W and M27W201-80B6 IC connections.

CPU and Interface IC Connections

Schematic showing AK4527B-VQ and CS49326 IC connections.

SCHEMATIC DIAGRAMS - CPU UNIT (3/8)

CPU Unit IC Connections

Schematic showing connections for the CPU unit IC (CXP740096).

Inter-Unit Interface Connections

Schematic showing interfaces to TUNER, INPUT, DSP, FLT, VIDEO units.

SCHEMATIC DIAGRAMS - DSP/CPU UNITS (2/8) - Quadrant View

DSP Unit ICs and Interfaces (Quadrant A/C)

Schematic showing DSP ICs and interface connections.

CPU Unit ICs and Interfaces (Quadrant B/D)

Schematic showing CPU ICs and interface connections.

SCHEMATIC DIAGRAMS - IC DETAILS (2/8)

DSP, Memory, Audio, CPU IC Connections

Schematic detailing connections for DSP, memory, audio, and CPU ICs.

SCHEMATIC DIAGRAMS - CPU/TUNER/INPUT UNITS (3/8)

CPU, Tuner, and Input Unit Connections Overview

Schematic showing connections for CPU, Tuner, and Input units.

SCHEMATIC DIAGRAMS - CPU/TUNER/INPUT UNIT ICs (3/8)

CPU, Tuner, and Input Unit IC Details

Schematic detailing connections for CPU, Tuner, and Input unit ICs.

SCHEMATIC DIAGRAMS - CPU/TUNER/INPUT UNITS (3/8) (Continued)

CPU, Tuner, and Input Unit Interface Connections

Schematic showing interface connections for CPU, Tuner, and Input units.

SCHEMATIC DIAGRAMS - CONNECTION/PRE-AMP/MAIN AMP UNITS (4/8)

Connection, Pre-Amp, and Main Amp Unit Details

Schematic details for Connection, Pre-Amp, and Main Amp units.

SCHEMATIC DIAGRAMS - CONNECTION UNIT ICs AND CONTROLS (4/8)

Connection Unit IC Connections and Controls

Schematic detailing IC connections and control signal paths within the connection unit.

SCHEMATIC DIAGRAMS - CONNECTION/MAIN AMP UNITS (4/8) (Continued)

Connection and Main Amp Unit Circuit Details

Schematic details for the connection and main amp units.

SCHEMATIC DIAGRAMS - MAIN/VOLTAGE/OUTLET UNITS (5/8)

Main, Voltage, and Outlet Unit Circuit Details

Schematic details for Main, Voltage, and Outlet units.

SCHEMATIC DIAGRAMS - MAIN/VOLTAGE/OUTLET UNITS (5/8) (Continued)

Main Unit Circuit Details (Continued)

Schematic details for the main unit.

SCHEMATIC DIAGRAMS - MAIN UNIT DETAILS (5/8) (Continued)

Main Unit Power Supply and Output Stages

Schematic of the power supply and output stages within the main unit.

SCHEMATIC DIAGRAMS - VIDEO AND CONNECTION UNITS (6/8)

S-Video, C-Video, Video, and Connection Unit Details

Schematic details for S-Video, C-Video, Video, and Connection Unit II.

SCHEMATIC DIAGRAMS - VIDEO UNIT DETAILS (6/8) (Continued)

S-Video, C-Video, and Video Unit Component Details

SCHEMATIC DIAGRAMS - CPU/FRONT/TUNER UNITS (7/8)

CPU, Front, and Tuner Unit Connections Overview

SCHEMATIC DIAGRAMS - CPU/FRONT/TUNER UNIT ICs AND CONTROLS (7/8)

CPU Unit IC and Control Details

Front Board Control Circuitry

Tuner Unit IC Details