Harman Kardon AVR245 - Low Frequency Power Amp, Medium Speed Switching Applications

Harman Kardon AVR245

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AVR245 harman/kardon

Table of Contents

Table of Contents1
Service Manual1
Esd Warning2
Leakage Current Check3
Leakage Testing3
Basic Specifications4
- Accessories5
- Package Drawing5
Packaging5
Front Panel Controls6
Front Panel View7
Rear Panel Connections8
Rear Panel View10
Remote Control Functions11
- Remote Control View12
- Night Mode13
- Speaker Cables14
- Subwoofer14
- Connecting Source Devices to the AVR14
Connections/Installation14
- Audio/Video Connections15
- Digital Audio15
- Analog Audio15
- RS-232 Serial Port16
- Digital Video Connections16
- Analog Video Connections16
- Antennas16
- Installation17
- Connect the Speakers17
- Connect the Subwoofer17
- Connect the Source Components17
- Recommended Source Component Connections18
- Video 1/2/3/4 Source19
- DVD20
- HDMI 1 Source/Hdmi 2 Source20
- CD20
- Tape20
- The Bridge21
- Plug in AC Power21
- Insert Batteries in Remote21
- Connect Video Display21
- Program Sources into the Remote22
- Turn on the AVR 24523
- Remote Control Codes23
- Power Switches23
- Source Select Button23
- Turning on25
- Sleep Timer25
- Volume Control25
Operation25
- Mute Function26
- Tone Controls26
- Source Selection26
- Headphones26
- Audio Input Selection27
- Video Input Selection27
- 6-/8-Channel Direct Inputs27
- Using the Tuner28
- XM Radio Operation29
- To Store a Channel in One of the 40 Preset Locations29
- Recording30
- Using the Bridge30
- Selecting a Surround Mode31
Troubleshooting Guide32
- Erasing Macros33
- Resetting the Remote33
- Memory33
Remote & Processor Resets33
Disassembly34
Unit Exploded View38
Exploded View Parts List39
- Amplifier Section Bias Adjustment40
- Schematic Diagram41
Block Diagram41
PCB Drawings42
Front PCB Assy Parts List53
Electrical Parts List53
- PCB, Front Stand by Parts List54
- PCB, Front Power (MOMS) SW Parts List54
- PCB, Download Jack Parts List54
- PCB, Front Panel Key Parts List54
- PCB, VR Jack Parts List55
- PCB, Phone Jack Parts List57
- Main Pcb/Heatsink Parts List58
- Heat Sink Assy Parts List69
- PCB, Power Trans Parts List69
- PCB, Digital In/Out Parts List71
- PCB, Bias TR Parts List72
- PCB, Regulator Parts List73
- PCB, Input Parts List74
- PCB, IPOD Parts List84
- PCB, Video Parts List86
- PCB, Remote In/Out Parts List93
- XM PCB Parts List93
- HDMI PCB Parts List95
- Bottom Chassis Ass'y Parts List96
- Wide Band Video Switch with I2C Bus97
Semiconductor Pinouts97
- PIN Configuration98
- Equivalent Circuit99
- Hex Inverter101
- 6CH Video Amplifier for DVD103
- Terminal Description104
- 2 Banks X 512K X 16 Bit Synchronous DRAM106
- Ordering Information106
- 1Mx16 Synchronous DRAM Functional Block Diagram108
- Command Truth Table109
- 2:1 HDMI/DVI Switch and Equalization112
- Low Voltage CMOS Quad 2-Input or Gate with 5V Tolerant Inputs115
- Pin Connection and IEC Logic Symbols115
- AK4384 106Db 192Khz 24-Bit 2Ch ∆Σ DAC116
- Negative Voltage Regulators118
- 1A Lowdrop out Voltage Regulator - Adjustable and Fixed120
- Ultra Wide Band, High Slue Rate Dual Oparational Amplifier121
- Low Dropout Voltage Regulator122
- C-MOS Quad SPST Analog Switch123
- 15KV ESD Protected 5V RS-232 Transceiver124
- Toshiba CMOS Digital Integrated Circuit Silicon Monolithic126
- PIN Description129
- PAL/NTSC Video and Chroma Sync Processing System for PIP/POP/PAP132
- Pin Function Table134
- 5-Input 3-Output Video Switch141
- 8-Channel Electronic Volume with Input Selector144
- Control Data146
- Initial Condition147
- Definition of Resistor148
- Application Circuit149
- Cs495Xx Data Sheet150
- Device and Firmware Selection Guide151
- Hardware Function Description152
- DSP Core152
- DSP Memory152
- DMA Controller152
- On-Chip DSP Peripherals153
- DSP I/O Description154
- Application Code Security154
- Package Pinout, 144-Pin QFP/LQFP155
- Triple 2-Channel Analog Multiplexer/Demultiplexer156
- Positive Voltage Regulators158
- Typical XM-DT Application159
- XM Digital Transceiver Integrated Circuit - XM/DT IC159
- XM/DT Functional Description160
- XM/DT Top Level Diagram160
- SC I/F - System Controller Interface160
- SAII - Synchronous Audio Input Interface161
- LSDP - Low Speed Data Port161
- 12S - Inter-IC Sound (I2S) Digital Audio Interface161
- COMM2W - Two Wire Communications Interface161
- Device Pin-Out162
- Pin Descriptions163
- Outer Dimensions165
- Grid Assignment166
- Anode Connection167
- CMOS 16-Bit Microcontrollers T5CC1168
- T5CC1 Block Diagram170
- Pin Assignment Diagram - T5CC1171
- Pin Names and Functions - T5CC1172
- T5CC1 Operation175
- Cpu175
- Reset175
- T5CC1 Reset Timing Example176
- Outline of Operation Modes177
- 2/8-Channel Audio CODEC with dir178
- 3-Terminal Negative Voltage Regulator - NJM7900185
- 8 Mbit (1Mb X8 or 512Kb X16, Boot Block) 3V Supply Flash Memory186
- SO Connections188
- TSOP Connections188
- Block Addresses (X8)189
- Block Addresses (X16)190
- Signal Descriptions191
- Bus Operations192
- Command Interface193
- Video Switch 75Ohm Drive Y/C MIX196
- Infrared Remote Control Receiver199
- Low Frequency Power Amp, Medium Speed Switching Applications200
- 3-Terminal 1A Positive Voltage Regulator201
- Low-Noise Dual Operational Amplifier202
- Dual High Current Operational Amplifier203
- 3-Terminal Positive Voltage Regulator204
- 64Kbit and 32Kbit Serial I2C Bus EEPROM205
- Signal Description207
- Memory Organization208
- Device Operation209
- Write Mode Sequences with WC=1 (Data Write Inhibited)210
- Write Operations210
- Byte Write210
- Page Write211
- Write Mode Sequences with WC=0 (Data Write Enabled)211
- Write Cycle Polling Flowchart Using ACK212
- Current Address Read213
- Random Address Read213
- Read Operations213
- Read Mode Sequences213
- Low Voltage Detector R X 5VT Series214
- Voltage Detector R X 5VL Series215
- Quad 2-Channel Multiplexer216
- Quad 2-Channel Multiplexer - System Diagram217
- AVR245 Schematic Diagram218
- AVR145/245 Schematic Diagram219
Schematics220
- AVR245/345 USA Schematic Diagram224
- AVR145/245/345/132/144 Schematic Diagram225
- AVR245 Wiring Diagram228

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