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
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. HDMI PCB
...........................................................................15
4. SPK PCB
..............................................................................15
5. TRANS
................................................................................16
6. SMPS PCB
...........................................................................16
7. REG PCB
..............................................................................16
8. AV PCB
...............................................................................16
SPECIAL MODE
.........................................................................17
Special mode setting button
..................................................17
1. Version Display Mode
........................................................18
2. PANEL / REMOTE LOCK Selection Mode
............................22
3. Selecting the Mode for Service-related Operations
...........23
DIAGNOSTIC PATH DIAGRAM
............................................26
4. Protection Pass Mode
........................................................44
5. CY920 Reboot Mode
..........................................................44
6. CY920 Initialization Mode
..................................................45
JIG FOR SERVICING
..................................................................46
PROCEDURE AFTER REPLACING
THE MICROPROCESSOR, ETC.
..................................................48
FIRMWARE UPDATE PROCEDURE
............................................49
1. Updating via USB
...............................................................49
2. Updating via DPMS
............................................................58
ADJUSTMENT
...........................................................................65
SURROUND MODES AND PARAMETERS
..................................66
TROUBLE SHOOTING
................................................................68
1. POWER
...............................................................................68
2. Analog video
......................................................................69
3. HDMI/DVI
...........................................................................70
4. AUDIO
................................................................................72
5. Network / Bluetooth / USB
.................................................75
6. SMPS
..................................................................................80
CLOCK FLOW & WAVE FORM IN DIGITAL BLOCK
.....................82
LEVEL DIAGRAM
.......................................................................83
BLOCK DIAGRAM
.....................................................................87
POWER DIAGRAM
....................................................................90
WIRING DIAGRAM
....................................................................91
PRINTED Circuit BOARDS
.........................................................92
SCHEMATIC DIAGRAMS (1/23)
.................................................97
01-FRONT HDMI
......................................................................97
02-MN864788A
.......................................................................98
03-NET_MN864788
.................................................................99
04-ADV7623
..........................................................................100
05-CPU
..................................................................................101
06-CPU LEVEL CHG
................................................................102
07-DIGITAL CNT
.....................................................................103
08-DIR A.PLD
.........................................................................104
09-MAIN DAC
........................................................................105
10-DSP
...................................................................................106
11-NET PHY
...........................................................................107
12-D.SUPPLY
.........................................................................108
13-SPK
...................................................................................109
14-CNT
..................................................................................110
15-INPUT
............................................................................... 111
16-VIDEO
...............................................................................112
17-TUNER
..............................................................................113
18-FRONT
..............................................................................114
19-AMP1
................................................................................115
20-AMP2
................................................................................116
21-SMPS
................................................................................117
22-REG
...................................................................................118
23-FRONT CNT
.......................................................................119
EXPLODED VIEW
....................................................................121
PACKING VIEW
.......................................................................122
SEMICONDUCTORS
................................................................123
1. IC's
....................................................................................123
2. FL DISPLAY
.......................................................................137
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