1-1
CONTENTS
SECTION 1 SUMMARY
SERVICING PRECAUTIONS .............................................................................................................................1-2
ESD PRECAUTIONS..........................................................................................................................................1-3
SPECIFICATIONS ..............................................................................................................................................1-4
SECTION 2 ELECTRICAL
ELECTRICAL TROUBLESHOOTING GUIDE....................................................................................................2-1
1. FRONT PART ............................................................................................................................................2-1
2. AUDIO PART .............................................................................................................................................2-2
3. POWER PART ...........................................................................................................................................2-6
4. GPS PART .................................................................................................................................................2-8
CONNECTOR TERMINAL FUNCTION............................................................................................................2-10
WAVEFORMS...................................................................................................................................................2-13
CIRCUIT VOLTAGE CHART............................................................................................................................2-15
BLOCK DIAGRAMS .........................................................................................................................................2-33
1. FUNCTION BLOCK DIAGRAM................................................................................................................2-33
2. H/W BLOCK DIAGRAM ...........................................................................................................................2-35
3. S/W BLOCK DIAGRAM ...........................................................................................................................2-37
4. FRONT BLOCK DIAGRAM......................................................................................................................2-39
5. AUDIO BLOCK DIAGRAM.......................................................................................................................2-41
6. POWER BLOCK DIAGRAM.....................................................................................................................2-43
7. GPS BLOCK DIAGRAM...........................................................................................................................2-45
CIRCUIT DIAGRAMS .......................................................................................................................................2-47
1. FRONT CIRCUIT DIAGRAM ...................................................................................................................2-47
2. MAIN - POWER + AMPLIFIER CIRCUIT DIAGRAM ..............................................................................2-49
3. MAIN - SINGLE RF TUNER(LEAF DICE) CIRCUIT DIAGRAM..............................................................2-51
4. MAIN - DSP(DiRaNa2) CIRCUIT DIAGRAM...........................................................................................2-53
5. MAIN - MICOM + CAN CIRCUIT DIAGRAM ...........................................................................................2-55
6. MAIN - DAB CIRCUIT DIAGRAM............................................................................................................2-57
7. MAIN - AU1320 LCD & USB & UART CIRCUIT DIAGRAM....................................................................2-59
8. MAIN - AU1320 BUS & PSC CIRCUIT DIAGRAM..................................................................................2-61
9. MAIN - AU1320 VDD & BOOT & RESET / IPOD CP CIRCUIT DIAGRAM ............................................2-63
10. MAIN - DDR2 SDRAM CIRCUIT DIAGRAM .........................................................................................2-65
11. MAIN - NOR FLASH & i-NAND CIRCUIT DIAGRAM............................................................................2-67
12. MAIN - VIDEO DECODER & USB CIRCUIT DIAGRAM .......................................................................2-69
13. MAIN - CONNECTOR & DEBUG CIRCUIT DIAGRAM.........................................................................2-71
14. MAIN - GPS CIRCUIT DIAGRAM..........................................................................................................2-73
PRINTED CIRCUIT BOARD DIAGRAMS.......................................................................................................2-75
1. FRONT P.C.BOARD ................................................................................................................................2-75
2. MAIN P.C.BOARD ...................................................................................................................................2-79
SECTION 3 EXPLODED VIEW
1. CABINET AND MAIN FRAME SECTION ..................................................................................................3-1
SECTION 4 REPLACEMENT PARTS LIST