Disassembly For Repair - Kenwood VR 3080 - Dolby Digital Receiver Service Manual

KRF-V7772D/VR-3080
[Check the audio PCB(X09)]
1. Remove the 9 screws (1,2,3).
2. Remove the 4 hooks(4,5) and remove the
audio PCB(X09),then stand the set with left
side downward.
3. Connect between the chassis of the set and
the rear panel with an alligator clip lead wire
(6).
[Check the B side of the DSP PCB
(X08)]
1. Remove the 11 screws(1,2).
2. Remove the X08(C/10)(J/10) (3 ), then
remove the X08(A/10) (4).
3. Solder the pin 1(-17V), the pin 4 (+17V) and
the pin 6(GND) between CN1 on the
X08(A/10) and CN2 on the X08(I/10) with 3
lead wires (5).
4. Connect between the each GND of J1, J62,
J61, J2 on the X08(A/10)and the rear panel
with 4 alligator clip lead wires (6).
[Remove the escutcheon (operation
panel)]
1. Remove the knob(1), the nut (2), the 11
screws(3, 4, 5) and 2 hooks (6), then
remove the front panel ass'y.
2. Remove the lead wire(7), the 2 screws(8 :
except K,P type) and 7 screws(9 ) then
remove the PCB.
3. Remove the under front glass(0, -), then
remove the front panel(= ) from the sub
panel.
4. Remove the 2 under escutcheon sides(~) by
· screw driver and the 2 hooks(!) then
remove the escutcheon(@).
4

DISASSEMBLY FOR REPAIR

HOOK
1
x2
1
3
12
11
4
1
x2
X09-
3
X08-
6
6
6
X08-
B side
5
6
4
1
4
1
6
4
7
8
x2
3
4
3
3
x2
9
5
4
x2
2
4
10
3
x4
6
HOOK
5
2
x3
Fig. 1
6
4
2
x2
2
x7
Fig. 2
6
6
9
x5
9
3
13
14
14
13
13
15
Fig. 3