JVC HX-Z1 User manual

1-1
HX-Z1
SERVICE MANUAL
COMPACT COMPONENT SYSTEM
No.21088
Jun. 2002
COPYRIGHT 2002 VICTOR COMPANY OF JAPAN, LTD.
HX-Z1
HX-Z1
Area Suffix
J ------------------------- U.S.A.
C ----------------------- Canada
Safety precautions
Preventing static electricity
Important for laser products
Importance administering
point on the safety
Disassembly method
Contents
Adjustment method
Flow of functional operation
until TOC read (CD)
Maintenance of laser pickup
Replacement of laser pickup
Description of major ICs
1-2
1-3
1-4
1-5
1-6
1-24
1-29
1-30
1-30
1-31~41
COMPACT
DIGITALAUDIO
V
O
L
U
M
E
P
R
E
S
E
T
S
O
U
N
D
M
O
D
E

1-2
HX-Z1
1. This design of this product contains special hardware and many circuits and components specially for safety
purposes. For continued protection, no changes should be made to the original design unless authorized in
writing by the manufacturer. Replacement parts must be identical to those used in the original circuits. Services
should be performed by qualified personnel only.
2. Alterations of the design or circuitry of the product should not be made. Any design alterations of the product
should not be made. Any design alterations or additions will void the manufacturer`s warranty and will further
relieve the manufacture of responsibility for personal injury or property damage resulting therefrom.
3. Many electrical and mechanical parts in the products have special safety-related characteristics. These
characteristics are often not evident from visual inspection nor can the protection afforded by them necessarily
be obtained by using replacement components rated for higher voltage, wattage, etc. Replacement parts which
have these special safety characteristics are identified in the Parts List of Service Manual. Electrical
components having such features are identified by shading on the schematics and by ( ) on the Parts List in
the Service Manual. The use of a substitute replacement which does not have the same safety characteristics
as the recommended replacement parts shown in the Parts List of Service Manual may create shock, fire, or
other hazards.
4. The leads in the products are routed and dressed with ties, clamps, tubings, barriers and the like to be
separated from live parts, high temperature parts, moving parts and/or sharp edges for the prevention of
electric shock and fire hazard. When service is required, the original lead routing and dress should be
observed, and it should be confirmed that they have been returned to normal, after re-assembling.
5. Leakage currnet check (Electrical shock hazard testing)
After re-assembling the product, always perform an isolation check on the exposed metal parts of the product
(antenna terminals, knobs, metal cabinet, screw heads, headphone jack, control shafts, etc.) to be sure the
product is safe to operate without danger of electrical shock.
Do not use a line isolation transformer during this check.
Plug the AC line cord directly into the AC outlet. Using a "Leakage Current Tester", measure the leakage
current from each exposed metal parts of the cabinet, particularly any exposed metal part having a return
path to the chassis, to a known good earth ground. Any leakage current must not exceed 0.5mA AC (r.m.s.).
Alternate check method
Plug the AC line cord directly into the AC outlet. Use an AC voltmeter having, 1,000 ohms per volt or more
sensitivity in the following manner. Connect a 1,500 10W resistor paralleled by a 0.15 F AC-type capacitor
between an exposed metal part and a known good earth ground.
Measure the AC voltage across the resistor with the AC
voltmeter.
Move the resistor connection to each exposed metal part,
particularly any exposed metal part having a return path to
the chassis, and meausre the AC voltage across the resistor.
Now, reverse the plug in the AC outlet and repeat each
measurement. Voltage measured any must not exceed 0.75 V
AC (r.m.s.). This corresponds to 0.5 mA AC (r.m.s.).
1. This equipment has been designed and manufactured to meet international safety standards.
2. It is the legal responsibility of the repairer to ensure that these safety standards are maintained.
3. Repairs must be made in accordance with the relevant safety standards.
4. It is essential that safety critical components are replaced by approved parts.
5. If mains voltage selector is provided, check setting for local voltage.
Good earth ground
Place this
probe on
each exposed
metal part.
AC VOLTMETER
(Having 1000
ohms/volts,
or more sensitivity)
1500 10W
0.15 F AC TYPE
!
Burrs formed during molding may
be left over on some parts of the
chassis. Therefore, pay attention to
such burrs in the case of
preforming repair of this system.
In regard with component parts appearing on the silk-screen printed side (parts side) of the PWB diagrams, the
parts that are printed over with black such as the resistor ( ), diode ( ) and ICP ( ) or identified by the " "
mark nearby are critical for safety.
(This regulation does not correspond to J and C version.)

1-3
HX-Z1
Preventing static electricity
1. Grounding to prevent damage by static electricity
Electrostatic discharge (ESD), which occurs when static electricity stored in the body, fabric, etc. is discharged,
can destroy the laser diode in the traverse unit (optical pickup). Take care to prevent this when performing repairs.
2. About the earth processing for the destruction prevention by static electricity
In the equipment which uses optical pick-up (laser diode), optical pick-up is destroyed by the static electricity of
the work environment.
Be careful to use proper grounding in the area where repairs are being performed.
2-1 Ground the workbench
Ground the workbench by laying conductive material (such as a conductive sheet) or an iron plate over
it before placing the traverse unit (optical pickup) on it.
2-2 Ground yourself
Use an anti-static wrist strap to release any static electricity built up in your body.
3. Handling the optical pickup
1. In order to maintain quality during transport and before installation, both sides of the laser diode on the
replacement optical pickup are shorted. After replacement, return the shorted parts to their original condition.
(Refer to the text.)
2. Do not use a tester to check the condition of the laser diode in the optical pickup. The tester's internal power
source can easily destroy the laser diode.
4. Handling the traverse unit (optical pickup)
1. Do not subject the traverse unit (optical pickup) to strong shocks, as it is a sensitive, complex unit.
2. Cut off the shorted part of the flexible cable using nippers, etc. after replacing the optical pickup. For specific
details, refer to the replacement procedure in the text. Remove the anti-static pin when replacing the traverse
unit. Be careful not to take too long a time when attaching it to the connector.
3. Handle the flexible cable carefully as it may break when subjected to strong force.
4. It is not possible to adjust the semi-fixed resistor that adjusts the laser power. Do not turn it
Conductive material
(conductive sheet) or iron plate
(caption)
Anti-static wrist strap
Attention when traverse unit is decomposed
1. Remove the disk stopper and T. bracket on the CD changer mechanism
assembly.
2. Disconnect the harness from connector on the CD motor board.
3. CD traverse unit is put up as shown in Fig.1.
4. Solder is put up before the card wire is removed from connector CN601
on the CD servo control board as shown in Fig. 2.
(When the wire is removed without putting up solder, the CD pick-up
assembly might destroy.)
5. Please remove solder after connecting the card wire with CN601 when
you install picking up in the substrate.
*Please refer to "Disassembly method" in the text for pick-up and how to
detach the CD traverse mechanism.
Soldering
Fig.1
Fig.2
CD changer
mechanism
assembly
CD traverse
unit
Flexible cable

1-4
HX-Z1
Important for laser products
1.CLASS 1 LASER PRODUCT
2.DANGER : Invisible laser radiation when open and inter
lock failed or defeated. Avoid direct exposure to beam.
3.CAUTION : There are no serviceable parts inside the
Laser Unit. Do not disassemble the Laser Unit. Replace
the complete Laser Unit if it malfunctions.
4.CAUTION : The compact disc player uses invisible
laserradiation and is equipped with safety switches
whichprevent emission of radiation when the drawer is
open and the safety interlocks have failed or are de
feated. It is dangerous to defeat the safety switches.
5.CAUTION : If safety switches malfunction, the laser is able
to function.
6.CAUTION : Use of controls, adjustments or performance of
procedures other than those specified herein may result in
hazardous radiation exposure.
VARNING : Osynlig laserstrålning är denna del är öppnad
och spårren är urkopplad. Betrakta ej strålen.
VARO : Avattaessa ja suojalukitus ohitettaessa olet
alttiina näkymättömälle lasersäteilylle.Älä katso
säteeseen.
ADVARSEL : Usynlig laserstråling ved åbning , når
sikkerhedsafbrydere er ude af funktion. Undgå
udsættelse for stråling.
ADVARSEL : Usynlig laserstråling ved åpning,når
sikkerhetsbryteren er avslott. unngå utsettelse
for stråling.
REPRODUCTION AND POSITION OF LABELS
WARNING LABEL
!
CAUTION
Please use enough caution not to
see the beam directly or touch it
in case of an adjustment or operation
check.
CLASS 1
LASER PRODUCT

1-5
HX-Z1
Importance administering point on the safety
Caution: For continued protection against risk of
fire, replace only with same type 2.5A/125V for
F103, 5A/125V for F001 and 6A/125V for F101, F102.
This symbolspecifies type of fast operating fuse.
Precaution: Pour evitisques de fer reux, remplacez
le fusible de surete de F103 comme le meme type
que 2.5A/125V, et 5A/125V pour F001 et 6A/125V
pour F101, F102.
Ce sont des fusibles suretes qui functionnes rapide.
^

1-6
HX-Z1
Remove the six screws Aon the back of the body.
Remove the screw Bon each side of the body.
Remove the metal cover from the body by lifting the
rear part of the cover.
1.
2.
3.
<Main board>
Removing the metal cover
(See Fig.1 ~ 3)
Prior to performing the following procedure, remove
the metal cover.
Disconnect the card wire from connector CN651 on
the CD servo control board on the right bottom of the
CD changer mechanism assembly.
Remove the four screws Cattaching the CD
changer mechanism assembly on top of the body.
Remove the CD changer mechanism assembly while
lifting the rear part.
1.
2.
3.
Removing the CD changer mechanism
assembly (See Fig.4, 5)
Do not break the front panel tab fitted to
the metal cover.
CAUTION:
Do not damage the CD fitting when
removing the CD changer mechanism
assembly.
CAUTION:
Disassembly method Metal cover
Metal cover
Metal cover
A
A
B
B
CC
C
A
Fig.1
Fig.2
Fig.3
Fig.5Fig.4
Front panel assembly
CD changer mechanism assembly
Rear part
CD changer
mechanism assembly
CD servo control board
CN651

1-7
HX-Z1
Prior to performing the following procedure, remove
the metal cover and the CD changer mechanism
assembly.
Disconnect the card wire from connector CN44 and
CN870 on the main board on the right side of the
body. Remove the screw Dattaching the wire from
extending from the underside of the front panel
assembly.
Disconnect the wire from connector CN701 on the
bridge board.
Cut the tie band.
Disconnect the wire from connector CN231 and
CN232 on the primary board on the left side of the
body and remove the band fixing the wire.
Remove the plastic rivet attaching the inner bar in
the center of the front panel assembly.
1.
2.
3.
4.
5.
Remove the three screws Eattaching the front
panel assembly at the bottom of the body.
Release the two joints aon the lower left and right
sides of the front panel assembly using a
screwdriver, and remove the front panel assembly
toward the front.
6.
7.
Removing the front panel assembly
(See Fig.6 ~ 9)
Front panel need to be tilt a little bit as release
from bottom chassis.
REFERENCE:
Keep the plastic rivet for reuse.
REFERENCE:
Front panel assembly
Front panel assembly
Front panel assembly
Front panel assembly
Fig.6
Fig.7
Fig.8
Fig.9
Bridge board
CN701
Bridge board
CN701
Main board
CN870
D
E
Joint a
Joint a
Primary board
CN231, CN232
Primary board
CN231, CN232
Plastic rivet
Band
Inner bar
Bottom chassis

1-8
HX-Z1
Prior to performing the following procedure, remove
the metal cover.
Disconnect the card wire from connector CN1 on the
antenna board on the right side of the body.
Remove the band attaching the antenna board.
Remove the two screws Fon the rear panel on the
back of the body.
1.
2.
3.
Removing the antenna board
(See Fig.10, 11)
There is no need to remove the CD
changer mechanism assembly.
REFERENCE:
Fig.10
Fig.11
Rear panel
Rear panel
CN1
Antenna board
Band
F

1-9
HX-Z1
Prior to performing the following procedure, remove
the metal cover and the CD changer mechanism
assembly.
Remove holding board by remove two plastic rivets
and then slide out the holding board as shown in fig.
12.
Disconnect fan wire from connector CN206.
Cut off the tie band that tied fan wire on inner bar.
Remove eight screws Ffrom rear panel.
Detach joint bto release rear panel from inner bar.
Release joints cwhich on right bottom and left
bottom of rear panel. The joint can be release by pull
outward the side of rear panel.
1.
2.
3.
4.
5.
6.
Removing the rear panel
(See Fig.12 ~ 17)
Fan assembly will come off with rear
panel.
REFERENCE:
Fig.12
Fig.15
Fig.13
Fig.14
Fig.16
Fig.17
Inner bar
Holding board
Holding board
CN206
Plastic Rivets
Tie band
Joint b
Fan assembly
Rear panel
Rear panel
Rear panel
F
F
F
F
Joint c
Joint c
CN206

1-10
HX-Z1
Prior to performing the following procedure, remove
the metal cover and the CD changer mechanism
assembly and the rear panel.
Remove two screws Gon the rear panel.
Rotate fan assembly in clockwise direction to release
fan assembly from rear panel (joint d).
1.
2.
Removing the fan assembly
(See Fig.18, 19)
Prior to performing the following procedure, remove
the metal cover, the CD changer mechanism
assembly, the antenna board and the rear panel.
Disconnect the card wire from connector CN44 and
CN870 on the main board.
Remove the screw Dattaching the board.
Disconnect connector CN217 and CN311 on the
main board outward and release from the base
chassis (joint e) upward.
1.
2.
3.
Removing the main board (See Fig.20)
Rear panel
G
Fig.18
Fig.19
Fig.20
Joint d
Joint d
Fan assembly
CN217
CN311
CN44
Joint e
D
Main board
CN870

1-11
HX-Z1
Prior to performing the following procedure, remove
the metal cover, the CD changer mechanism
assembly, the rear panel, the antenna board and
main board.
Remove the plastic rivet attaching the stay inner bar
and remove the screw Hon the bridge board.
Move the inner bar forward and upward to release
from the front section (joint f) and from the bridge
board (two joints h) respectively.
Remove the two plastic rivets setting the holding
board fixing the bridge board and the primary board.
Move the bracket board in the direction of the arrow.
Disconnect the wire from connector CN212, CN213
and CN214 on the primary board respectively and
remove the band attaching the wires.
Disconnect the wire from connector CN701 on the
bridge board.
1.
2.
3.
4.
5.
Removing the bridge board / regulator
board / heat sink (See Fig.21 ~ 27)
Fig.22
Fig.23
Fig.25Fig.24
Inner bar
Inner bar
Plastic rivet
Bridge board
Bridge board
Bridge board
Regulator board
H
Plastic rivet
Plastic rivets
Fig.21
Joint g
Joint f
Holding board
Primary board
CN214
CN212, CN213
Bridge board
CN701
Band
Primary board
CN214
CN212, CN213 Heat sink
Heat sink bracket
I
I

1-12
HX-Z1
Remove the two screws Iattaching the heat sink
bracket and move the heat sink in the direction of the
arrow to release from the base chassis (two joints i).
The bridge board and the regulator board come off
with the heat sink.
Remove the two screws Jattaching the heat sink
bracket.
Remove the two screws M, detach bridge board from
regulator board by disconnect connector CN205.
Remove the screws Kand Lto detach regulator
board from heat sink.
6.
7.
8.
9.
As assembly back the regulator board and
bridge board to heat sink.
Regulator board MUST be assembly to heat
sink first and screw Kand LMUST be
screwed before bridge board attach to
regulator board.
CAUTION: Heat sink bracket
Heat sink bracket
Fig.26
Fig.27
Heat sink
Heat sink
Bridge board
Bridge board
Regulator board
Regulator board
J
K
ML
CN215
CN205

1-13
HX-Z1
Prior to performing the following procedure, remove
the metal cover, the CD changer mechanism
assembly, the rear panel, the main board and the
bridge board / regulator board.
Remove the screw Nattaching the primary board.
Disconnect the wire from connector CN231 and
CN232 on the primary board.
Remove the four screws O attaching the power
transformer assembly.
Cut the tie band and detach power cord from primary
board.
1.
2.
3.
4.
Removing the power transformer
assembly (See Fig.28, 29)
Disconnect the card wire from connector CN33 on
the head amplifier & mechanism control board.
Remove the two screws P, and the screw Q
attaching the cassette mechanism assembly.
1.
2.
Removing the cassette mechanism
assembly (See Fig.30)
Remove the screw Qattaching the wire extending
from the headphone board.
Remove the screw Rand pull out the headphone
board backward.
1.
2.
Removing the headphone board
(See Fig.30)
Prior to performing the following procedure, remove
the metal cover, the CD changer mechanism
assembly and the front panel assembly.
<Front panel assembly>
When disconnecting the power cord
from connector CN250 on the primary
board, remove the fixing band.
REFERENCE:
Fig.28
Fig.29
Fig.30
Power transformer assembly
Power transformer assembly
Primary board
Primary board
CN231, CN232
N
O
O
Q
P
QR
CN250
Cord stopper
Cassette mechanism assembly Headphone board
Head amplifier & mechanism control board
CN33
Band

1-14
HX-Z1
Remove the four screws Sattaching the stay
bracket (1).
Disconnect the card wire from connector CN43 and
CN880 on the display system control board.
Remove the ten screws Tattaching the display
system control board.
1.
2.
Removing the display system control
board (See Fig.31, 32)
Prior to performing the following procedure, remove
the display system control board.
Pull out preset knob, sound mode knob on the front
panel toward the front.
Remove the nut at volume knob encoder from front
panel.
Remove the four screws Uattaching the stay
bracket (2).
Remove the eight screws Vattaching the bottom
board.
1.
2.
3.
4.
Removing the bottom board
(See Fig.33 ~ 35)
Fig.31
Fig.32
Fig.33
Fig.35Fig.34
S
T
T
T
T
T
T
U
U
V
V
V
Display system
control board
Display system control board
Stay bracket (1)
Stay bracket (2)
CN43 CN880
Front panel
Sound mode knob
Preset knob
Volume knob
CN43 CN880
Bottom board Bottom board

1-15
HX-Z1
Removing the CD Servo control board
(See Fig.1)
Removing the CD tray assembly
(See Fig.2~4)
1.
2.
3.
4.
5.
6.
7.
8.
9.
Remove the front panel assembly.
Remove the CD changer mechanism assembly.
Remove the CD Servo control board.
Remove the screw B' retaining the lod stopper.
From the T.bracket section "b" and clamper base
section "c" , remove both of the edges fixing the
rod(See Fig.2 and 3).
Remove the screw B retaining the disc stopper
(See Fig.3).
Remove the three screws Cretaining the T.bracket
(See Fig.3).
Remove the screw Dretaining the clamper assembly
(See Fig.3).
From the left side face of the chassis assembly, remove
the one screw Eretaining both of the return spring and
lock lever(See Fig. 4).
By removing the pawl at the section "d" fixing the return
spring, dismount the return spring(See Fig.4).
Remove the three lock levers(See Fig.4).
10.
11.
Fig.1
Fig.2
Fig.3
Fig.4
1.Remove the metal cover.
2.Remove the CD changer mechanism assembly.
3.From bottom side the CD changer mechanism assembly,
remove the four screws Aretaining the CD servo control
board.
4.Absorb the four soldered positions "a" of the right and
left motors with a soldering absorber.
5.Pull out the earth wire on the CD changer mechanism
assembly.
6.Disconnect the connector CN854 on the CD servo
control board.
7.Disconnect the card wire CN601 and the connector
CN801 on the CD servo control board.
CN601
CN801
b
c
E
Rod
T.Braket
Clamper base
T.Braket Disc stopper
Lod stopper
(C/J version only)
Clamper ass'y
b
a
CC
B'
D
C
d
Lock lever
Return spring
CD servo control board
CN651
CN854
a
a
A
A
A
A
CN151
CN652
B
Earth
wire

1-16
HX-Z1
11.
12.
Check whether the lifter unit stopper has been caught
into the hole at the section "e" of CD tray assembly as
shown in Fig.5.
Make sure that the driver unit elevator is positioned as
shown in Fig.6 from to the second or fifth hole on the
left side face of the CD changer mechanism assembly.
Fig.5
Fig.7
Fig.6
Fig.8 Fig.9
[Caution] In case the driver unit elevator is not at above
position, set the elevator to the position as
shown in Fig.7 by manually turning the pulley
gear as shown in Fig.8.
13.
14.
15.
Manually turn the motor pulley in the clockwise
direction until the lifter unit stopper is lowered from the
section "e" of CD tray assembly(See Fig.8).
Pull out all of the three stages of CD tray assembly in
the arrow direction "f" until these stages stop
(See Fig.6).
At the position where the CD tray assembly has
stopped, pull out the CD tray assembly while pressing
the two pawls "g and g' " on the back side of CD tray
assembly(See Fig.9). In this case, it is easy to pull out
the assembly when it is pulled out first from the stage
CD tray assembly.
CD 3
CD 2
CD 1
CD tray
assembly
e
Drive unit of elevator
CD tray assembly
f
Refer to Fig.7 Pawl
Chassis assembly
Pulley gear
Motor pulley
Pawl ,
CD tray assembly
Stopper
g
gg'

1-17
HX-Z1
Removing the CD loading mechanism
assembly(See Fig.10)
1.
2.
While turning the cams R1 and R2 assembly in the
arrow direction "h" ,align the shaft "i" of the CD loading
mechanism assembly to the position shown in Fig.10.
Remove the four screws Fretaining the CD loading
mechanism assembly.
Removing the CD traverse mechanism
(See Fig.11 and 12 )
1.
2.
For dismounting only the CD traverse mechanism
without removing the CD loading mechanism assembly,
align the shaft "j" of the CD loading mechanism
assembly to the position shown Fig.11 while turning the
cam R1 and R2 assembly in the arrow direction "k" .
By raising the CD loading mechanism assembly in the
arrow direction "l", remove the assembly from the lifter
unit
Fig.10
Fig.12
Fig.11
Fig.13
Removing the CD pick unit
(See Fig.13 )
1.
2.
3.
4.
Move the cam gear in the arrow direction "m" . Then,
the CD pickup unit will be moved in the arrow direction
"n" .
According to the above step, shift the CD pickup unit to
the center position.
While pressing the stopper retaining the shaft in the
arrow direction "o" , pull out the shaft in the arrow
direction "p".
After dismounting the shaft from the CD pickup unit,
remove the CD pickup unit
Cams R1, R2 assembly
i
CD loading mechanism assembly
h
F
F
FF
Arrow
Lifter unit
CD traverse mechanism
l
n
op
m
Arrow
Cam R1, R2 assembly
k
Arrow
j
CD Pickup unit
CD loading
mechanism
Shaft
Cam gear
Shaft
Shaft
Stopper Stopper

1-18
HX-Z1
Removing the try select switch board
(See Fig.14)
1.
2.
Remove the two screws G retaining the tray select
switch board.
Disconnect the tray select switch board from connector
CN804 on the CD servo control board.
Fig.15
Fig.14
Fig.16
Removing the cam unit
(See Fig.15 ~17 )
1.
2.
3.
4.
5.
Remove the CD loading mechanism assembly.
While turning the cam gear "q", align the Paul "r"
position of the drive unit to the notch position(Fig.16) on
the cam gear "q".
Pull out the drive unit and cylinder gear(See Fig.17).
While turning the cam gear "q", align the Paul "s"
position of the select lever to the notch position(Fig.18)
on the cam gear "q".
Remove the four screws H retaining the cam unit(cam
gear "q" and cams R1/R2 assembly)(See Fig.18).
Cam gear q
Drive unit
r
G
H
J
H
Chassis assembly
Tray select
switch board
CN854
CN851
CN804
Cylinder gear
Drive unit
Fig.17
Select lever
Cams R1, R2 assembly
Cam unit
Cam gear q
s

1-19
HX-Z1
Fig.18
Fig.20
Fig.19
Fig.21
[Note] When the chassis assembly is turned over under
the conditions wherein the gear bracket and belt
have been removed, then the pulley gear as well
as the gear, etc. constituting the gear unit can
possibly be separated to pieces. In such a case,
assemble these parts by referring to the assembly
and configuration diagram in Fig. 21.
Removing the actuator motor and belt
(See Fig.18~21)
1.
2.
3.
4.
5.
Remove the two screws Iretaining the gear bracket
(See Fig.18).
While pressing the pawl "t" fixing the gear bracket in the
arrow direction, remove the gear bracket
(See Fig.18).
From the notch "usection" on the chassis assembly
fixing the edge of gear bracket, remove and take out the
gear bracket(See Fig. 19).
Remove the belts respectively from the right and left
actuator motor pulleys and pulley gears(See Fig. 18).
After turning over the chassis assembly, remove the
actuator motor while spreading the four pawls "v" fixing
the right and left actuator motors in the arrow
direction(See Fig. 20).
Pulley gear
Belt
Motor pulley
Belt
Pulley gear
Motor pulley
Gear bracket
t
I
I
Pawl
v
Actuator motor
v
Chassis assembly
u
Gear bracket
Pulley gear
Gear B
Cylinder gear
Gross gear U
Gear C
Gross gear L
Select gear
Gear B
Gear C
Pulley gear
Assembly and Configuration Diagram

1-20
HX-Z1
Fig.22
[Caution] To reassemble the cylinder gear, etc.with the
cam unit (cam gear and cans R1/R2 assembly),
gear unit and drive unit, align the position of the
pawl "x" on the drive unit to that of the notch on
the cam gear "q". Then, make sure that the
gear unit is engaged by turning the cam gear
"q" (See Fig. 24).
Removing the cams R1/R2 assembly
and cam gear q(See Fig.22)
1.
2.
3.
4.
Remove the slit washer fixing the cams R1 and R2
assembly.
By removing the two pawls "w" fixing the cam R1,
separate R2 from R1.
Remove the slit washer fixing the cam gear "q".
Pull out the cam gear "q" from the C.G. base assembly.
Removing the C.G. base assembly
(See Fig.22 and 23)
Remove the three screws Jretaining the C.G. base
assembly.
Fig.23
Slit washer
Pawl
Cam R2
Slit washer
Cam gear q
Cam switch board
C.G. base assembly
Cam R1
Pawl
Cam gear q
Notch
Cylinder
gear
Gear bracket
Cam R1, R2 assembly
Gear unit
Drive unit
x
Pawl
w
w
J