Sony STR-DH550 Service Manual page 80

STR-DH550/DH750
REVISION HISTORY
Ver. Date
1.0 2014.01 New
1.1 2014.07 Addition of 220 – 240 V AC area in E model (STR-DH550).
Add R141 in DISPLAY board.
Add R193 for Electrical Part List in FRONT JACK board.
Add CUSHION (COVER) in page 5, 6, 7, 8, 57 and 60.
Add HI-RES Label in Accessories in page 79.
Add Servicing Notes for IC2900 in MAIN board (Service code changed).
Change description of CN2900, R553, R603, R653, R703, R753, R803 and R853 in MAIN board.
Change P/N of BLUETOOTH MODULE (DH750) in page 58 and 78.
Change P/N of C150 in FRONT JACK board.
Change P/N of CN103 in DISPLAY board.
Change P/N of CN391 and R2300 in MAIN board.
Change P/N and description of C124 in DISPLAY board.
Change P/N and description of Q320, Q323, Q554, Q555, Q604, Q605, Q654, Q655, Q704, Q705, Q754,
Q755, Q804, Q805, Q854 and Q855 in MAIN board.
Delete of R193 in DISPLAY board.
Delete of CN3511 in HDMI board.
1.2 2015.04 Change of MAIN, STANDBY DCDC and NFC ICON PC boards (suffi x-21).
Change P/N of CN3513 in HDMI board.
Change P/N of IC2603 in MAIN board.
Change P/N of Ref. No. T901 for US, Canadian and Taiwan models in page 60 and 79.
Change P/N and description for Ref. No.102 for AEP and Australian models in page 59 and 78.
Change P/N and description of D352, D910, D911, D912 and D913 in MAIN board.
Change P/N and description of D901, D902, D903 and D904 in STANDBY DCDC board.
Delete of CN1901 in page 77 for Electrical Part List section (Service code changed).
Delete of ET301 in page 69 for Electrical Part List section (Service code changed).
How to search for a contact point of signal lines or the like in DIAGRAMS SECTION
If a contact point of a BLOCK DIAGRAM, PRINTED WIRING BOARD or SCHEMATIC DIAGRAM is shown in a different page, use
the PDF fi le search function to fi nd one.
e.g.) If a contact point is shown as
Procedure:
1. Press the [F] key while pressing the [Ctrl] key.
2. Input ">001Z" in the search box and press the [Enter] key.
3. The relevant part (page), where the contact point is shown, appears.
Note: If you still see the original page, press the [Enter] key again.
Description of Revision
, follow the procedure below.