Table Of Contents - Marantz NR1506 /U1B Service Manual

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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