Sony STR-DA3300ES Service Manual page 7

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