Hitachi 55PMA550 Service Manual page 44

JOINT board (Side-A)
Mainly chip parts reference table
Cir.No. Position Cir.No. Position
DH98 A4 IF08
DH99 A4 KH101
EJF1 E5 KH102
EJF2 F5 LH101
EJF3 G2 LH101A
EJF4 C3 PCL1
EJF5 G4 PTEM1
EJF6 G3
55PMA550/55HDM71
F4
B5
A5
D5
D5
G3
A5
JOINT board (Side-B)
SUB WOOFER board (Side-A)
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SUB WOOFER board (Side-B)