Panasonic TH-103PF9EK Service Manual page 40

5-2-2. How to adjust the voltage
<Location of Test point and Volume (SC side)>
(SC)
TPVSUS
(DR2 and SC2)
TPVDA
VR650
TPVC
(DR1)
(SC2)
TPVSET
TPVbk
VR6604
VR6605
TPVC
(Back view)
VR600
TPVDA
(P (SC side))
VR6351
TPVbk
TPVSCN
VR6600
VR251