ABOUT THIS MANUAL
.............................................................3
What you can do with this manual ............................................3
Using Adobe Reader (Windows version)
..................................4
SAFETY PRECAUTIONS
..........................................................6
NOTE FOR SCHEMATIC DIAGRAM
.........................................7
NOTE FOR PARTS LIST
...........................................................7
TECHNICAL SPECIFICATIONS
................................................9
DIMENSION
...............................................................................9
Precautions During Service
...................................................10
Initializing This Unit .................................................................10
Service Jigs .............................................................................10
DISASSEMBLY
........................................................................11
1. CX870 ASSY for CX870 model only ..................................14
2. FRONT PANEL ASSY
........................................................14
3. RADIATOR ASSY
...............................................................15
4. SMPS ASSY .......................................................................16
5. POWER TRANS
................................................................17
6. BACK PANEL ASSY
...........................................................18
SPECIAL MODE
......................................................................19
Special Mode Configuration Buttons
.......................................19
1. Version Display Mode ........................................................20
2. PANEL / REMOTE LOCK Selection Mode
.........................24
3. Selection Modes for Service-related Operations
................25
DIAGNOSTIC PATH DIAGRAM
.........................................31
4. Remote ID Setup Mode
......................................................75
5. Additional Source mode
s
...............................................76
6. Protection Pass Mode ........................................................76
7. CX870 / CY920 Reboot Mode
............................................77
8. CX870 / CY920 Initialization Mode ....................................77
JIG FOR SERVICING
..............................................................78
Procedure after Replacing the Microprocessor, etc.
..........80
Firmware Update Procedure
..................................................80
1. Updating by USB
................................................................80
2. Updating by DPMS
.............................................................90
ADJUSTMENT
.........................................................................97
SURROUND MODES AND PARAMETERS
............................98
TROUBLE SHOOTING
..........................................................101
1. POWER
............................................................................101
2. Analog video ....................................................................102
3. HDMI/DVI
.........................................................................104
4. AUDIO
..............................................................................106
5. Network/Bluetooth/USB
...................................................109
6. SMPS ...............................................................................115
Audio Check PASS
..............................................................117
CLOCK FLOW & WAVE FORM IN DIGITAL BLOCK
...........118
LEVEL DIAGRAM
..................................................................119
GND DIAGRAM
.....................................................................127
POWER DIAGRAM
................................................................128
CPU DIAGRAM
......................................................................130
PRINTED WIRING BOARDS
.................................................131
SCHEMATIC DIAGRAMS (1/37)
...........................................140
SCH01_DIGITAL CONNECT
................................................140
SCH02_DIR ADC ZONEDAC
...............................................141
SCH03_AUDIO PLD
.............................................................142
SCH04_DSP1
.......................................................................143
SCH05_DSP2
.......................................................................144
SCH06_DSP3
.......................................................................145
SCH07_DSP4
.......................................................................146
SCH08-1_MAIN CPU_OLD
..................................................147
SCH08-2_MAIN CPU_NEW
.................................................148
SCH09_SUB CPU
.................................................................149
SCH10_DECODER
...............................................................150
SCH11-1_HDMI SW1 AVR-X7200W ONLY
..........................151
SCH11-2_HDMI SW1 AVR-X7200WA ONLY
........................152
SCH12-1_HDMI SW2 AVR-X7200W ONLY
..........................153
SCH12-2_HDMI SW2 AVR-X7200WA ONLY
........................154
SCH13_IP SCALER
..............................................................155
SCH14_IP SCALER DDR
.....................................................156
SCH15-1_VIDEO PLD AVR-X7200W ONLY
.........................157
SCH15-2_VIDEO PLD AVR-X7200WA ONLY
.......................158
SCH16-1_HDMI RX TX AVR-X7200W ONLY
.......................159
SCH16-2_HDMI RX TX AVR-X7200WA ONLY
.....................160
SCH17-1_HDMI SUPPLY AVR-X7200W ONLY
....................161
SCH17-2_HDMI SUPPLY AVR-X7200WA ONLY
..................162
SCH18-1_NETWOR AVR-X7200W ONLY
............................163
SCH18-2_NETWOR AVR-X7200WA ONLY_OLD
.................164
SCH18-3_NETWOR AVR-X7200WA ONLY_NEW
................165
SCH19-1_MAIN DAC
............................................................166
SCH19-2_MAIN DAC
............................................................167
SCH20-1_ZONEDAC ADC
...................................................168
SCH20-2_ZONEDAC ADC
...................................................169
SCH21_REAR USB
..............................................................170
SCH22_AUDIO VIDEO CONNECT
......................................171
SCH23_AUDIO VOLUME
.....................................................172
SCH24_PREOUT
..................................................................173
SCH25_VIDEO SELECTOR
.................................................174
SCH26_FRONT JACK
..........................................................175
SCH27_CONNECT
...............................................................176
SCH28_FRONT HDMI USB
..................................................177
SCH29_SPEAKER
................................................................178
SCH30_REG
.........................................................................179
SCH31_FLD
..........................................................................180
SCH32_SMPS
......................................................................181
SCH33_AMP CONNECT
......................................................182
SCH34_232C PHONO
..........................................................183
SCH35_POWER AMP
...........................................................184
SCH36_CX870 CONNECT AVR-X7200W ONLY
..................185
SCH37_BT MODULE AVR-X7200W ONLY
..........................186
EXPLODED VIEW
.................................................................187
PACKING VIEW
.....................................................................188
SEMICONDUCTORS
.............................................................189
1. IC's ...................................................................................189
2. FL DISPLAY
.....................................................................211
CONTENTS
2