Sony STR-DA3300ES - Page 7

7
STR-DA3300ES/DG1100
POWER AMP BLOCK SERVICE POSITION
In checking the Power AMP block, prepare jig (extension cable J-2501-291-A: 2 mm Pitch, 12 cores, Length 300 mm/J-2501-311-A: 2 mm
Pitch, 15 cores, Length 300 mm).
insulating sheet
Connect the extension jig (J-2501-311-A) to the
A CLASS AMP board (CN1505) and
CONNECTOR 4 board (CN1207).
CONNECTOR 4 board
(CN1207)
A CLASS AMP board
(CN1505)
power AMP Block
Connect the extension jig (J-2501-291-A) to the
A CLASS AMP board (CN1504) and
CONNECTOR 3 board (CN1202).
CONNECTOR 3 board
(CN1202)
A CLASS AMP board
(CN1504)
MAIN BOARD SERVICE POSITION
insulating sheet
MAIN board
In checking the board, make two
capacitors discharge for electric
shock prevention. (R: 800 Ω/2W)
C1237
C1237
C1137
C1137
CAUTION