PIONEER TZ-F700 Service Manual

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Service Manual for PIONEER TZ-F700, downloadable as a PDF file.

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1
TZ-F700
Service
Manual
ORDER NO.
PET98008
65S
This service manual is intended for qualified service technicians; it is
not meant for the casual do-it- your selfer. Qualified technicians have
the necessary test equipment and tools, and have been trained to
properly and safely repair complex products such as those covered by
this manual.
Improperly performed repairs can adversely affect the safety and
reliability of the product and may void the warranty. If you are not
qualified to perform the repair of this product properly and safely, you
should not risk trying to do so and refer the repair to a qualified service
technician.
SPEAKER SYSTEM
TZ-F700
PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1 B-9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 501 Orchard Road, #10-00, Wheelock Place, Singapore 238880
©PIONEER ELECTRONIC CORPORATION 1998
1999 Printed in U.S.A.
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1
TZ-F700
Service
Manual
ORDER NO.
PET98008
65S
This service manual is intended for qualified service technicians; it is
not meant for the casual do-it- your selfer. Qualified technicians have
the necessary test equipment and tools, and have been trained to
properly and safely repair complex products such as those covered by
this manual.
Improperly performed repairs can adversely affect the safety and
reliability of the product and may void the warranty. If you are not
qualified to perform the repair of this product properly and safely, you
should not risk trying to do so and refer the repair to a qualified service
technician.
SPEAKER SYSTEM
TZ-F700
PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1 B-9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 501 Orchard Road, #10-00, Wheelock Place, Singapore 238880
©PIONEER ELECTRONIC CORPORATION 1998
1999 Printed in U.S.A.
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2
TZ-F700
1. WOOFER REPLACEMENT
1.1 REMOVAL
1.
Support loudspeaker on it's side.
2.
Remover 8 screws.
3.
Remove bottom and 8 standoffs.
4.
Carefully pull woofer forward, and disconnect blue
and blue/black cables.
1.2 REFITTING
1.
With loudspeaker on it's side, reconnect blue and blue/
black cables
2.
Position the B-300 woofer in the base assembly, taking care
to align the 8 holes in the woofer with the bosses in the base
assembly.
3.
One at a time, insert screw P/N 261463-A through hole
in the bottom, through stanoff, and through woofer screw
hole and engage into the boss with 2 or 3 turns. Note
correct orientation of standoff, and make sure that the
mounting holes for the spiked heel are correctly oriented.
4 . Once all 8 screws 4 are engaged, tighten each in a
diametrically opposed torque pattern to a torque of 12.0 lb-
in.
2. AMPLIFIER
2.1 REMOVAL
1.
Remove the 6 screws P/N 261478-A
2.
Pull the amplifier forward approx. 3 inches to expose the 4
wires. (clear, clear/black, red, black)
3.
Disconnect these wires from the amplifier.
4.
Continue to pull the amplifier forward, and disconnect the
molex connector.
5.
Finally, disconnect the blue and blue/black wires.
6.
Remove the amplifier.
2.2 REFITTING
1.
REFITTING is a removal of the removal procedure. All
connectors are polarized.
2.
When pushing amplifiers back into the cabinet, take care to
dress cables so that they are not trapped or stretched as the
amplifier is reinserted.
.3. Replace 6 screws with a torque setting of 6.0 lb-in.
3. BASE ASSEMBLY
3.1 REMOVAL
1.
First remove and disconnect the amplifier as described in
section 2.
2.
Next, remove the woofer as described in section 1.
3.
Remove the 10 screws P/N 217609.
4.
Pull the base assembly away from the cabinet, taking care
not to damage the gasket sealing strip P/N 260564.
3.2 REFITTING
1 . Check the sealing strip P/N 260564 is continuous. If not,
replace.
2.
Carefully realign 10 holes in blue assembly with holes in
the cabinet.
3.
Make sure that level control is oriented the front of the
loudspeaker; and that no cables are trapped between the
base and the cabinet.
4.
Replace 10 screws, and tighten in an opposed torque
pattern to a setting of 12.0 lb-in.
5. Replace woofer as described in section 1, and amplifier as
in section 2.
4. GRILLE
4.1 REMOVAL
1.
The grille is attached with four catch cups. Carefully pull
the grille assemble forward. DO NOT hold the grille by the
curved side. ONLY hold the grill by it's and it's perimeter.
4.2 REFITTING
1.
Carefully realign the grille page with the catch cups
Push the grille carefully into place. DO NOT push on the
curved sides. ONLY push on the top and perimeter.
5. SUB-BAFFLE
5.1 REMOVAL
1.
Remove the 4 catch cups by pulling forward.
2 . Remove the 4 screws revealed under the catch cups.
3.
Carefully lift the sub-baffle , away from the cabinet. It is
additionally held in place by a self-adhesive tape halfway
along the outer edge. This bond can be broken bY gently
pressing the baffle away from the cabinet using your finger.
4.
Gently flex the sub-baffle in order to twist it around the
IRIS subassembly.
5.2 REFITTING
1.
If necessary, replace the self adhesive tape on the sub-
baffle.
2.
Gently flex the sub-baffle and replace each half onto the
cabinet.
3.
Align the sub-baffles so that two halves match and meet in
the middle, then replace the 4 screws.
4.
Carefully turn the screws starting with the top screws first,
until you see the sub-baffle start to flex. Stop and back off
1/4 turn. Overtightening will cause the sub-baffles to bend
and not lay flat.
5.
Press down on the edge where the self adhesive tape is
located, to ensure a good bond
6.
Replace the 4 catch cups. Take care to avoid pulling the
grill cloth into the hole as you insert the cup.
6. IRIS ASSEMBLY
6.1 REMOVAL
1.
First, remove the sub-baffle as described in section 5.
2.
Remove the acoustic absorbent, 5 pieces.
3.
Disconnect the molex connector from the crossover 28 .
4.
Support the IRIS assembly and remove the 4 screws P/N
222016.
5.
Lift the IRIS assembly upwards and away from the cabinet.
6.
Take care when setting the IRIS assembly down that it dose
not roll forward onto the diaphragm surface.
6.2 REFITTING
1.
Refitting is a reversal of the procedure for removal.
2
Use a torque setting of 12.0 lb-in for replacing the screws.
When refitting the acoustic absorbent, take care to ensure
that it dose not contact the mid-bass drive unit.
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3
TZ-F700
7. CROSSOVER REMOVAL
7.1 REMOVAL
1.
First, remove the sub-baffle as described in section 5.
2.
Remove the acoustic absorbent, 5 pieces.
3.
Disconnect the molex connector from the crossover.
4.
Disconnect the green, green/black, red and black wires.
5.
Remove the 4 screws.
6.
REMOVE THE CROSSOVER.
7.2 REFITTING
1.
Refitting is a reversal of the removal procedure.
2.
Tighten the screw 8 to a torque of 12.0 lb-in.
8. MID BASE TRANSDUCER
8.1 REMOVAL
1.
Remove the sub-baffle as described in section 5.
2
Remove the IRIS assembly as described in section 6.
3
Remove he 4 screws to a torque of 12.0 lb-in.
4.
Remove the transducer and disconnect the green and green/
black wires.
8.2 REFITTING
1.
RE-fitting is a reversal of the removal procedure.
2 . Tighten the 4 screws securing the mid bass transducer to a
torque of 12.0 lb-in.
9. FRONT RAIL REMOVAL
9.1 REMOVAL
1.
Remove the sub-baffle as described in section 5.
2.
Remove the amplifier as described in section 5.
3.
With a extension socket, reach inside the cabinet through
the amplifier cutout and loosen the nut located on the
front inside cabinet surface.
4.
Remove the 2 screws at the top of the front rail.
5.
Lift the rail upwards to slide it off the bolt.
9.2 REFITTING
1.
Slide the bolt into the channel on the rear side of the front
rail.
2.
Slide the rail downwards until the top sloping surface
matches the cabinet slope.
3.
Replace the 2 screws, and after aligning the rail so that
it evenly matched to both front edges of the cabinet, tighten
to a torque setting of 6.0lb-in.
4.
Retighten nut.
5.
Replace amplifier as described in section 2.2.
6.
Replace sub-baffle as described in section 5.2.
10. IRIS TRANSDUCER
10.1 REMOVAL
1. Remove the IRIS assembly as described in section 6.
2. Remove the socket shoulder bolt P/N 260173 and 2 washers
P/ N 260188.
3. Pull the IRIS transducer forward away from the enclosure.
4. Disconnect the red, red/black, orange, orange/black wires
from the transducer.
5. Remove the hex standoff extension rod P/N 260168 from
the rear of the IRIS transducer.
6. Take care not to lose the 4 isolation grommets P/N 260148.
10.2 REFITTING
1. Replace the hex standoff extension rod P/N 260168 on the
rear of the IRIS transducer.
2. Replace the 4 isolation grommets P/N 260148 into the
cavities on the rear side of the transducer frame.
3. Reconnect the red, red/black, orange, orange/black wires
taking care to note correct positions.
4.
Insert IRIS transducer assembly into the bull assembly,
and align the isolation grommets with pips on the front
surface of the ball assembly.
5.
Replace the socket shoulder bolt P/N 260173 and the 2
washers P/N 260188 and tighten to a torque of ?
6. Refit the IRIS assembly as described in section 6.2.
11. BASS LEVEL CONTROL
11.1 REMOVAL
1.
Remove the base assembly as described in section 3.
2
Carefully pull the knob P/N 260306-A upwards to remove
from the pot shaft.
3.
Remove the nut.
4.
Disconnect to two molex connectors from the POT/LED
assembly.
5.
Remove the POT assembly.
11.2 REFITTING
1.
Refitting is a reversal of the removal procedure.
2.
When refitting the knob, first turn the pot fully anti-
clockwise. Align the number 1 on the knob with the groove
on the front of the base assembly.
12. LED ASSEMBLY
12.1 REMOVAL
1.
Remove the base assembly as described in section 3.
2.
Remove the bass level control as described in section 11.
3.
Soften the hot melt that secures the LED and pull the LED
away from the base.
12.2 REFITTING
1.
Make sure the hole for the LED is clear of hot melt, and re-
fit the LED into the hole.
2.
Refit the bass level control as described in section 11.2.
3.
Apply hot melt to secure LED assembly.
4.
Replace base assembly as described in section 3.2.
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4
TZ-F700
Grill Assy
255032
B300 LF Unit
260044
(Spacer) Stand Off
261418
Base, Bottom (Wood)
260331
Screw (MTC1420P0/2FZB
261463
Amplifier Assy
261443
Pot Assy
266413
Top Cabinet
260346
Fastex Fasteners
260351
Front Rail, Extrusion
260366
Mark No. Description
Parts No.
Tape, Gold
265227
Screw (PPD0008P01/2FBO)
221977
Hex Bolt (10-32X3/4")
261438
#10 Washer
261656
10-32 Nut
261661
Sub Baffle Assy, Left
260386
Sub Baffle Assy, Right
260415
Catch Cap
260435
Screw (PPD0008P05/4FBO)
222539
Screw (PPD0008P08/4FBO)
264977
Mark No. Description
Parts No.
TORQUE 12.0 LB-IN.
TORQUE 6.0 LB-IN.
TORQUE 6.0 LB-IN.
FRONT RAIL
(2) SCREW #8 X 3/8 PPH.
GRILLE ASSEMBLY
CATCH CUP (4)
(4) SCREW #8 X 1-1/4 PPH.
SUB BAFFLE ASSY. LEFT
SUB BAFFLE ASSY. RIGHT
ACOSTIC ABSORBENT (5)PCS.
TOP
AMPLIFIER ASSY.
SCREW #8 X 3/8 PPH. (6)PCS.
BLUE
BLUE/WHITE
MOLEX
POT/LED
INPUT CLEAR
INPUT CLEAR/BLK. STRIP
RED
BLACK
DETAIL FOR WIRES CONNECTION
AMPLIFIER ASSY.
WARNING
LABEL
WARNING LABEL
ATTACH FROM THIS SIDE.
FOR DRAWING CLARITY ALL WIRES AND CONNECTORS
ARE NOT SHOWN AT THIS TIME.
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5
TZ-F700
WARNING LABEL
TOP PARTIAL VIEW OF
CABINET ENCLOSURE..
M-160 MIDBASS.TRANS
CONNECTOR MOLEX
IRIS ASSEMBLY
W/ BRACKET
IRIS ASSEMBLY
CONNECTOR MOLEX.
MIDBASS WIRES.
GREEN AND GREEN / WHITE
SCREW #8 X 3/4" PPH.
BLACK (12) PCS.
P/N: 222016.
AMP-CROSSOVER
RED & BLACK WIRES
M160 MF Unit
260059
Screw (PPD0008P03/4FBO)
222016
Mark No. Description
Parts No.

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