HMZ-T2 (serv.man2) - Sony Audio Service Manual (repair manual). Page 3

1. 

SERVICE NOTE

1-1.    Procedure to enter Service Mode.................................  1-1
1-2.    Procedure to update Firmware .....................................  1-2
1-3.    Verifying Checksums for updated Firmware.................  1-3
1-4.    Power Indicator Alarm ..................................................  1-3

2. DISASSEMBLY

2-1.  Processor Unit (HMZ-T2P) ...........................................  2-1
  2-1-1.  DISASSEMBLY FLOW ............................................  2-1
  2-1-2.  CASE ......................................................................  2-1
  2-1-3.  HBX-001 BOARD ....................................................  2-2
  2-1-4.  SWITCHING REGULATOR .....................................  2-2
2-2.  Head Mounted Unit (HMZ-T2H) ...................................  2-3
  2-2-1.  DISASSEMBLY FLOW ............................................  2-3
  2-2-2.  ROOF BLOCK .........................................................  2-4
  2-2-3.  TOP COVER ...........................................................  2-4
  2-2-4.  BOTTOM COVER BLOCK ......................................  2-5
  2-2-5.  DISPLAY UNIT ........................................................  2-6
  2-2-6.  HEAD BAND BLOCK ..............................................  2-7
  2-2-7.  ARM (FORHEAD-T2) BLOCK .................................  2-8
  2-2-8.  INDICATOR BLOCK ................................................  2-9

3. 

BLOCK DIAGRAM

3-1.  HBX-001 BOARD .........................................................  3-1
3-2.  CLOCK SYSTEM (HBX-001 BOARD) .........................  3-2
3-3.  POWER SUPPLY (HBX-001 BOARD) .........................  3-3

－ 3 －

4. 

SCHEMATIC DIAGRAM

4-1. INDEX ..........................................................................  4-1
4-2.  Main Chip(E3TL/2)-SYSTEM(9000-9099) ...................  4-2
4-3.  Main Chip(E3TL/2)-STREAM/DEMOD(9100-9199) .....  4-3
4-4.  Main Chip(E3TL/2)-STRAPS/CI(9200-9299) ...............  4-4
4-5.  Main Chip(E3TL/2)-NAND(9300-9399) ........................  4-5
4-6.  Main Chip(E3TL/2)-DDR2(9400-9599).........................  4-6
4-7.  Main Chip(E3TL/2)-VIDEO IN/OUT(9600-9699) ..........  4-7
4-8.  Main Chip(E3TL/2)
 

-AUDIO IN/OUT(4100-4199/4500-4599) ......................  4-8

4-9.  Main Chip(E3TL/2)-EtherNET/USB(9730-9759) ..........  4-9
4-10.  Main Chip(E3TL/2)-POWER/GND(9800-9899) ............  4-10
4-11.  Main Chip(E3TL/2)-HDMI/LVDS(9900-9949) ...............  4-11
4-12. ADSP(2000-2500) ........................................................  4-12
4-13. DPTx(4000-4500) .........................................................  4-13
4-14. DebugCN(1500-1999) ..................................................  4-14
4-15. ITCon(1000-1499) ........................................................  4-15
4-16. HDMI(6000-6999).........................................................  4-16
4-17.  POWER 1(3700-3799) .................................................  4-17
4-18. GND_TERMINAL(3900-3999)......................................  4-18
4-19.  Printed Wiring Board (1/2) ............................................  4-19
4-20.  Printed Wiring Board (2/2) ............................................  4-20

5. TROUBLESHOOTING

 .............................................  5-1

6. 

REPAIR  PARTS  LIST

6-1.  EXPLODED VIEWS .....................................................  6-1
  6-1-1.  Processor Unit (HMZ-T2P) ......................................  6-1
  6-1-2.  Head Mounted Unit (HMZ-T2H) ..............................  6-2
6-2.  ACCESSORIES and CONSUMABLES ........................  6-5