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
Instructions for handling semi-conductors and optical unit
...7
1. Ground for Human Body
......................................................7
2. Ground for Workbench
........................................................7
TECHNICAL SPECIFICATIONS
.....................................................9
DIMENSION
..............................................................................10
CAUTION IN SERVICING
...........................................................11
Initializing This Unit
.................................................................11
JIG FOR SERVICING
..................................................................11
DISASSEMBLY
..........................................................................12
1. FRONT PANEL ASSY
............................................................14
2. RADIATOR ASSY
.................................................................15
3. SMPS ASSY
.........................................................................16
4. POWER TRANS
....................................................................17
5. BACK PANEL ASSY
..............................................................18
SPECIAL MODE
.........................................................................19
Special mode setting button
..................................................19
1. Version Display Mode
........................................................20
2. Selecting the Mode for Service-related Operations
...........24
PROTECTION DIAGRAM
......................................................25
DIAGNOSTIC PATH DIAGRAM
............................................30
3. PANEL / REMOTE LOCK Selection Mode
............................74
4. Protection Pass Mode
........................................................75
5. CY920 Reboot Mode
..........................................................75
6. CY920 Initialization Mode
..................................................76
JIG FOR SERVICING
..................................................................77
Procedure after Replacing the Printed circuit boards.
...........79
Procedure after Replacing the Microprocessor, etc.
..............79
FIRMWARE UPDATE PROCEDURE
............................................80
1. Updating via USB
...............................................................80
2. Updating via DPMS
............................................................89
ADJUSTMENT
...........................................................................96
SURROUND MODES AND PARAMETERS
..................................97
TROUBLE SHOOTING
..............................................................100
1. POWER
.............................................................................100
2. Analog video
....................................................................101
3. HDMI/DVI
.........................................................................103
4. AUDIO
..............................................................................105
5. Network/Bluetooth/USB
..................................................108
6. SMPS
................................................................................113
Audio Check PASS
.................................................................115
CLOCK FLOW & WAVE FORM IN DIGITAL BLOCK
...................116
LEVEL DIAGRAM
.....................................................................117
BLOCK DIAGRAM
...................................................................125
A.AUDIO / Z2,3HPF DIAGRAM
...............................................125
DIGITAL AUDIO / NETWORK DIAGRAM
.................................126
VIDEO DIAGRAM
...................................................................127
POWER DIAGRAM
..................................................................128
CPU DIAGRAM
.......................................................................129
PRINTED CIRCUIT BOARDS
....................................................130
SCHEMATIC DIAGRAMS (01/33)
.............................................135
SCH01_DIGITAL CONNECT
....................................................135
SCH02_DIR ADC ZONEDAC
...................................................136
SCH03_AUDIO PLD
...............................................................137
SCH04_DSP1
.........................................................................138
SCH05_DSP2
.........................................................................139
SCH06_DSP3
.........................................................................140
SCH07_DSP4
.........................................................................141
SCH08_MAIN CPU
.................................................................142
SCH09_SUB CPU
....................................................................143
SCH10_DECODER
..................................................................144
SCH11_HDMI SW1
................................................................145
SCH12_HDMI SW2
................................................................146
SCH13_IP SCALER
..................................................................147
SCH14_IP SCALER DDR
.........................................................148
SCH15_VIDEO PLD
................................................................149
SCH16_HDMI RX TX
..............................................................150
SCH17_HDMI SUPPLY
...........................................................151
SCH18_NETWOR
...................................................................152
SCH19_AUDIO VIDEO CONNECT
...........................................153
SCH20_AUDIO VOLUME
........................................................154
SCH21_PREOUT
.....................................................................155
SCH22_VIDEO SELECTOR
......................................................156
SCH23_CONNECT
..................................................................157
SCH24_ZONEDAC ADC
.........................................................158
SCH25_MAIN DAC
.................................................................159
SCH26_FRONT HDMI USB
.....................................................160
SCH27_SPEAKER
...................................................................161
SCH28_REG
...........................................................................162
SCH29_FRONT
.......................................................................163
SCH30_SMPS
.........................................................................164
SCH31_AMP CONNECT
.........................................................165
SCH32_232C PHONO
............................................................166
SCH33_POWER AMP
.............................................................167
EXPLODED VIEW
....................................................................168
PACKING VIEW
.......................................................................169
SEMICONDUCTORS
................................................................170
1. IC's
....................................................................................170
2. FL DISPLAY
......................................................................192
CONTENTS
2