background image
1
TZ-C700
Service
Manual
ORDER NO.
PET98009
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-C700
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.


background image
2
TZ-C700
1. BAFFLE ASSEMBLY
1.1 Removal.
1. Remove the six catch caps from the front baffle. This is most
readily accomplished using needle-nosed pliers.
2. Remove the six screws.
3. Pull the baffle assembly forward away from the cabinet,
using the vent holes as an aid to removal.
4. Disconnect the molex connector from the crossover.
5. Disconnect the blue and blue/black wires from the LF units.
6. Take care not to damage the sealing strip.
1.2 REFITTING
1.
Replace gasket if broken.
2.
Reconnect molex and blue, blue/black wires.
3.
Refit front baffle to cabinet.
4.
Replace 6 screws.
5.
Replace grille catch cups, taking care when fitting to ensure
that they do not collapse inward.
2. WOOFER
2.1. Removal
1. Remove the baffle assembly following the procedure in
section 1.
2. Disconnect the purple wire from the LF unit.
3. Remove the 4 screws from each LF unit.
4. Remove the LF unit .
2.2 REFITTING
1. Relocate the woofer on the baffle assembly, taking care to
centralize the unit and orientate the terminal panel to face
inward.
2. Replace the screws and tighten to a torque of 4.0 lb-in.
3. Reconnect to purple wire.
4. Refit the baffle assembly as described in section 1.2.
3. IRIS TRANSDUCER
3.1. Removal
1. Remove the baffle assembly as described in section 1.1.
2. Remove the hex shoulder bolt and washer.
3. Pull the IRIS transducer assembly forward from the baffle
and disconnect the wires.
4. Remove the hex standoff from the IRIS transducer. Do not
place the transducer downwards on the diaphragm.
3.2 REFITTING
1. Replace the hex standoff on the rear of the IRIS transducer.
2. Reconnect the red, red/black, orange, orange/black wires to
the IRIS transducer as shown in the diagram.
3. Make sure the 4 isolation grommets P/N 260148 are
correctly located on the rear of the IRIS transducer frame.
4. Refit the IRIS, taking care to align the 4 isolation grommets
with the pips on the baffle assembly.
5. Replace the hex shoulder bolt and washer.
6. Refit the baffle assembly as described in section 1.2.
4. CROSSOVER
4.1 Removal
1. Remove the baffle assembly as described in section 1.
2. Disconnect the red and black wires from the crossover.
3. Peel away the hot melt that secures the crossover, and pull
the crossover forward out of the slots.
4.2 REFITTING
1. Refitting is a reversal of the removal procedure.
2. Secure the crossover after relocation with hot melt.
5. AMPLIFIER
5.1 Removal
1. Ensure line cord is unplugged.
2. Remove the two screws P/N 261498 from the rear of the
amplifier.
3. Pull the amplifier away from the cabinet and disconnect the
red, black, blue, blue/black wires from the amplifier.
5.2 REFITTING
1. Reconnect wires, checking that the connections correspond
to the diagram.
2. Insert the amplifier into the cabinet, ensuring that the tongue
on the chassis engages with the slot in the cabinet, and that
the chassis is not caught on the rubber feet.
3. Check that no wires are trapped, then replace the two screws
P/N 261498, and tighten to a torque of 8.0 lb-in.


background image
3
TZ-C700
WIRING
DET
AIL
(2)
SCREW
#8
X
1/2"
PPH
BLUE
.250
F
BLUE/BLK
.205
F
BLA
CK-
RED+
XVR
+
.250
F
RED
XVR
-
.205
F
BLK
B125
+
.205
F
BLU
B125
-
.110
F
BLU/BLK
B125
-
.110
F
PUR
B125
+
.205
F
PUR
A
COUSTIC
ABSORBENT
POL
YESTER
FIBER
IRIS
MF
-
ORG/BLK
.110
F
IRIS
HF
-
RED/BLK
.110
F
IRIS
MF
+
ORG
.205
F
IRIS
HF
+
RED
.205
F
IRIS
TRANSDUCER
ISOLA
TION
GR
OMMET
FR
ONT
(4)pcs
.
HEX
ST
ANDOFF
EXT
.R
O
D
IRIS
GASKET
LED/BLA
CK-
(HIGH
FREQ.)
RED+
(HIGH
FREQ.)
ORANGE/BLA
CK-
(MID-FREQ.)
ORANGE+
(MID-FREQ.)
DO
NO
TWIRE
THIS
W
AY!!!
This
wir
ing
ma
ycause
noise
.
Scre
w
#8
x
1/2"
(6)pcs
.
CR
OSSO
VER
ASSY
.
IRIS
Wire
Assy
Acoustic
Absorbent
He
xStand
Off
(Extension
Rod)
Catch
Cup
Baffle
Assemb
ly
MB
Gr
ille
Assy
L
/R
B125
LF
Tr
ansducer
(2)pcs
.
Cabinet
Enclosure
IRIS
MF/HF
Unit,
IRIS
Gask
et,
Isor
ation
Grommet
F
ront
Scre
w
#8
x
3/8"
(8)pcs
.
Acoustic
Absorbent
Gr
ille
Assemb
ly
Jumper
Wire
Amp-Crosso
ver
Wire
Assy
(+)
MB
Wire
Assy
(-)
MB
Wire
Assy
(+)
Amp-Crosso
ver
Wire
Assy
(-)
Foot
(2)pcs
.
Amplifier
Assy
Soc
ket
Shoulder
Bolt
W
asher
(2)pcs
.


background image
4
TZ-C700
Instruction Manual
260668
Grille Assy
260673
B125 LF Trans
260782
IRIS MF/HF Unit
260079
Baffle Assy
260722
Isolation Grommet Front
260148
Isolation Grommet Rear
260153
Gasket Tape (for Baffle Assy)
263409
Gasket (for IRIS MF/HF trans)
261423
NSP
Acoustic Absorbent
261705
NSP
Acoustic Absorbent
260202
NSP
Acoustic Absorbent (Poly Fiber)
260762
Catch Cup
266384
NSP
Cabinet Enclosure
260777
MB Grille Assy, Left
261592
MB Grille Assy, Right
261641
Foot
261196
Amplifier Assy
260797
MF/HF Crossover Assy
260193
PARTS LIST
NOTES: · Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List.
· The "
"mark found on some component parts indicates the importance of the safety factor of the part.
Therefore, when replacing, be sure to use parts of identical designation.
SCHEMATIC DIAGRAM
Packing Case
260628
Side Pad, Left
260633
Side Pad, Right
260648
Polyethylene Sheet
265232
IRIS Wire Assy
260806
Amp-Crossover Wire Assy (+)
260811
Amp-Crossover Wire Assy (-)
261552
MB Wire Assy (+)
260826
MB Wire Assy (-)
261527
Jumper Wire (MB-MB)
261458
Hex Stand Off (Extension Rod)
260168
1/4" Washer 0.62" O.D., 0.6 Thk
260188
Socket Shoulder Bolt
260173
Screw (for B125 LF Trans)
261478
Screw (for Baffle Assy-Cabinet)
261498
Mark No. Description
Parts No.
AMPLIFIER
6
µF / 100V
2.7
/ 5W
50
µF / 100V
4
µF / 100V
6
µF / 100V
2.7
/ 5w
6
/ 10w
22
µF / 50V
100
µF / 50V
4 mH
1.1 mH
0.44 mH
2.5 mH
0.23 mH
BINDING POST RED
BINDING POST BLACK
1
2
3
4
Crossover Network Assembly (260193)
1
2
3
4
IRIS MID
IRIS HIGH
WOOFER
WOOFER
ORANGE
ORANGE
/BLACK
RED
RED/BLACK
BLUE
BLUE/BLACK
PURPLE
·
ª
·
ª
·
ª
·
ª
250
205
RED
BLACK
MOLEX
CONNECTOR
MALE/FEMALE
INPUT
Mark No. Description
Parts No.
For Packing
Mark No. Description
Parts No.