Contents
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
.................................................................14
3. DIGITAL PCB
.......................................................................15
4. VIDEO PCB
..........................................................................16
5. INPUT HDAM PCB
...............................................................16
6. SPK PCB
..............................................................................17
7. SMPS PCB
...........................................................................17
8. TRANS POWER
....................................................................17
SPECIAL MODE
.........................................................................18
Special mode setting button
..................................................18
1. Version Display Mode
........................................................19
2. Selecting the Mode for Service-related Operations
...........23
PROTECTION DIAGRAM
.....................................................24
2-1. DIAGNOSTIC MODE (Service Path Check Mode)
..............25
DIAGNOSTIC PATH DIAGRAM
............................................29
2-2. Protection History Display Mode
......................................66
2-3. 232C Standby Clear Mode
................................................67
2-4. Operation Info Mode
........................................................68
2-5. TUNER STEP mode (E2 / E3 only)
......................................69
3. PANEL / REMOTE LOCK Selection Mode
............................70
4. Protection Pass Mode
........................................................71
5. CY920 Reboot Mode
..........................................................71
6. CY920 Initialization Mode
..................................................72
JIG FOR SERVICING
..................................................................73
Procedure after Replacing the Printed circuit boards.
...........76
Procedure after Replacing the Microprocessor, etc.
..............76
FIRMWARE UPDATE PROCEDURE
............................................77
1. Updating via USB
...............................................................77
2. Updating via DPMS
............................................................86
ADJUSTMENT
...........................................................................93
SURROUND MODES AND PARAMETERS
..................................94
TROUBLE SHOOTING
................................................................97
1. POWER
...............................................................................97
2. Analog video
......................................................................98
3. HDMI/DVI
.........................................................................102
4. AUDIO
..............................................................................104
5. Network/Bluetooth/USB
..................................................107
6. SMPS
................................................................................112
Audio Check PASS
................................................................. 114
CLOCK FLOW & WAVE FORM IN DIGITAL BLOCK
................... 115
LEVEL DIAGRAM
.....................................................................116
BLOCK DIAGRAM
...................................................................122
POWER DIAGRAM
..................................................................126
WIRING DIAGRAM
..................................................................127
PRINTED CIRCUIT BOARDS
....................................................128
SCHEMATIC DIAGRAMS (01/38)
.............................................135
SCH01_DIGITAL CONNECT
....................................................135
SCH02_DIGITAL POWER
........................................................136
SCH03_MAIN CPU
.................................................................137
SCH04_EXPANDER
................................................................138
SCH05_CPU LEVEL CHG
........................................................139
SCH06_DIR
............................................................................140
SCH07_AUDIO PLD
...............................................................141
SCH08_DSP1
.........................................................................142
SCH09_DSP2
.........................................................................143
SCH10_DSP3
.........................................................................144
SCH11_DSP4
.........................................................................145
SCH12_ADC
..........................................................................146
SCH13_ZONE DAC
................................................................147
SCH14_CY920
.......................................................................148
SCH15_VIDEO DECODER
.......................................................149
SCH16_HDMI SW2
................................................................150
SCH17_HDMI SW1
................................................................151
SCH18_VSP & IP & OSD
.........................................................152
SCH19_VIDEO PLD
................................................................153
SCH20_HDMI TX & SCALER
...................................................154
SCH21_INPUT
........................................................................155
SCH22_PREOUT
.....................................................................156
SCH23_HDAM CNT & F-HDMI
...............................................157
SCH24_A-VIDEO
....................................................................158
SCH25_RC-5
..........................................................................159
SCH26_RS232C & TRIGGER
....................................................160
SCH27_SIDE CNT
...................................................................161
SCH28_FRONT CNT
...............................................................162
SCH29_MAIN DAC1
...............................................................163
SCH30_MAIN DAC2
...............................................................164
SCH31_SPK
............................................................................165
SCH32_REGULATOR & TUNER
...............................................166
SCH33_7CH AMP 1
................................................................167
SCH34_7CH AMP 2
................................................................168
SCH35_FRONT
.......................................................................169
SCH36_HDAM 1
....................................................................170
SCH37_HDAM 2
....................................................................171
SCH38_SMPS
.........................................................................172
EXPLODED VIEW
....................................................................173
PACKING VIEW
.......................................................................174
SEMICONDUCTORS
................................................................175
1. IC's
....................................................................................175
2. FL DISPLAY
.......................................................................195
2