
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
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