
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
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 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. PANEL / REMOTE LOCK Selection Mode ............................23
3. Selecting the Mode for Service-related Operations ...........24
DIAGNOSTIC PATH DIAGRAM ............................................28
4. Remote ID Setup Mode......................................................61
5. Protection Pass Mode ........................................................62
6. CY920 Reboot Mode ..........................................................62
7. CY920 Initialization Mode ..................................................63
JIG FOR SERVICING ..................................................................64
Procedure after Replacing the Printed circuit boards............67
Procedure after Replacing the Microprocessor, etc...............67
FIRMWARE UPDATE PROCEDURE............................................68
1. Updating via USB ...............................................................68
2. Updating via DPMS ............................................................77
ADJUSTMENT...........................................................................84
SURROUND MODES AND PARAMETERS..................................85
TROUBLE SHOOTING................................................................88
1. POWER ...............................................................................88
3. HDMI/DVI ...........................................................................93
4. AUDIO ................................................................................95
5. Network/Bluetooth/USB ....................................................98
6. SMPS ................................................................................103
Audio Check PASS .................................................................105
CLOCK FLOW & WAVE FORM IN DIGITAL BLOCK...................106
LEVEL DIAGRAM.....................................................................107
BLOCK DIAGRAM ...................................................................113
POWER DIAGRAM ..................................................................117
WIRING DIAGRAM..................................................................118
PRINTED WIRING BOARDS.....................................................119
SCHEMATIC DIAGRAMS (01/33).............................................126
SCH01_DIGITAL CONNECT....................................................126
SCH02_DIGITAL POWER........................................................127
SCH03_MAIN CPU.................................................................128
SCH04_EXPANDER................................................................129
SCH05_CPU LEVEL CHG ........................................................130
SCH06_DIR ............................................................................131
SCH07_AUDIO PLD ...............................................................132
SCH08_DSP ...........................................................................133
SCH09_ADC ..........................................................................134
SCH10_ZONE DAC ................................................................135
SCH11_CY920 .......................................................................136
SCH12_VIDEO DECODER.......................................................137
SCH13_HDMI SW2 ................................................................138
SCH14_HDMI SW1 ................................................................139
SCH15_VSP & IP & OSD .........................................................140
SCH16_VIDEO PLD ................................................................141
SCH17_HDMI TX & SCALER ...................................................142
SCH18_INPUT........................................................................143
SCH19_PREOUT.....................................................................144
SCH20_F-HDMI .....................................................................145
SCH21_A-VIDEO....................................................................146
SCH22_RC-5 ..........................................................................147
SCH23_RS232C & TRIGGER....................................................148
SCH24_CONNECT_A .............................................................149
SCH25_CONNECT_B .............................................................150
SCH26_MAIN DAC1...............................................................151
SCH27_MAIN DAC2...............................................................152
SCH28_SPK............................................................................153
SCH29_REGULATOR & TUNER...............................................154
SCH30_7CH AMP 1................................................................155
SCH31_7CH AMP 2................................................................156
SCH32_FRONT.......................................................................157
SCH33_SMPS.........................................................................158
EXPLODED VIEW ....................................................................159
PACKING VIEW .......................................................................160
SEMICONDUCTORS ................................................................161
1. IC's....................................................................................161
2. FL DISPLAY.......................................................................181
2