Harman Kardon HK3400 - Layouts: PCB-6 Tone Control, PCB-7 Volume, PCB-8 Primary; Layouts: PCB-9 Secondary, PCB-10 Headphone, PCB-11 Speaker Switch

16
P.C. BOARDS
PCB-6
SPEAKER
OPERATING
MODE
4-89
Tone Control P.cC. BOARD
PCB-7
Volume
P.C.
BOARD
PCB-8
Primary
P.C.
BOARD
BASS TREBLE BALANCE
PCB-9 Secondry P.C. BOARD
PCB-10 | Headphone P.C. BOARD
PCB-11 | Speaker Switch P.C. BOARD
LOUDNESS
SPEAKER
OFF A B A+B