PASSPORT
®
P-80
(This is the model name for warranty claims)
4
SERVICE NOTES
The following describes the procedure to dismantle
the P-80 Cabinets.
STEP A: P-80 CABINETS
A1. Unscrew four M4 machine screws on each
side of the left and right hatches.
A2. Unscrew two M3 pan-head machine screws
on the handle cover and detach it.
A3. Place the unit upside down. Unscrew eight M4
self-tapping screws off the foot standers.
A4. Detach the foot standers. There are six M3
self-tapping screws in the middle portion.
A5. Unscrew three M3 self-tapping screws located
on the right-hand-side.
A6. Place the unit in the normal position.
A7. Locate the four M3 and two M4 self-tapping
screws on the top and unscrew them.
A8. Separate the left and right cabinets.
A9. Locate the UHF and VHF antennas on the
right and left cabinets respectively.
A10. De-solder both antennas.
A11. Unscrew three M3 self-tapping screws on left
and right side panels of the tower metal as-
sembly.
A12. Unscrew eight M2.6 and six M3 self-tapping
screws.
A13. Detach the left and right metal side panels.
A14. Detach the 8-pin antenna connector.
A15. Detach the top metal cover.
A16. Unscrew seven M3 self-tapping screw on the
rear panel
A17. Detach all connectors.
A18. The procedure is completed.
STEP B: P-80 MIXER PCB
B1. Detach 14 knobs and their nuts.
B2. Detach the Reverb PCB assembly.
B3. Unscrew nine M3 machine screws from the
mixer PCB assembly.
B4. Detach
all
connectors.
B5. The procedure is completed.
STEP C: P-80 DSP REVERB PCB
C1. Detach
all
connectors.
C2. The procedure is completed.
STEP D: P-80 INPUT PCB
D1. Unscrew six screws and nuts from the front
panel.
D2. Detach
all
connectors.
D3. The procedure is completed.
STEP E: P-80 POWER AMP PCB
E1. Unscrew four screws connecting the heatsink
to the side brackets (two on either side of
tower).
E2. Detach
all
connectors.
E3. The procedure is completed.
STEP F: P-80 SMPS PCB
F1. Unscrew three screws from the front panel.
F2. Detach all wiring and connectors.
F3. Unscrew six screws from the top cabinet of
the SMPS.
F4. Unscrew three screws from the bottom cabi-
nets of the SMPS.
F5. Detach the spacer from the wiring of the
SMPS.
F6. Unscrew the earthing M4 nut.
F7. Detach the mains connector from the AC inlet.
F8. Unscrew five screws from the SMPS PCB as-
sembly
F9. The procedure is completed.
Summary of Contents for PASSPORT P-80
Page 21: ...3 PASSPORT Mixer PCB Mixer PCB...
Page 26: ...8 PASSPORT SMPS PCB...
Page 30: ...12 PASSPORT Test Point Information TP10 TP11...
Page 31: ...13 PASSPORT Test Point Information TP12 TP13...
Page 32: ...14 PASSPORT Test Point Information TP14 TP15...
Page 33: ...15 PASSPORT Test Point Information TP16 TP17 DC8V TP18 DC5V TP19...