7
STR-DE375
SECTION 3
DIAGRAMS
3-1. CIRCUIT BOARDS LOCATION
• WAVEFORMS
– MAIN BOARD –
SECONDARY board
PRIMARY board
(except E model)
VOL-SEL board (E model)
MAIN board
DISPLAY board
HEADPHONE board
POWER SWITCH board
STANDBY board
1
IC1
qf
2.2Vp-p
230ns
2
IC103
qa
5.0Vp-p
200ns
– DISPLAY BOARD –