Sony HCD-EX5 - Micro Hi-fi Component System User manual
HCD-EX5
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
Chinese Model
SERVICE MANUAL
MICRO Hi-Fi COMPONENT SYSTEM
Sony Corporation
Personal Audio Division
Published by SonyTechno Create Corporation
9-874-036-03
2007B16-1
© 2007.02
Ver. 1.2 2007. 02
SPECIFICATIONS
This set is the tuner, CD and amplifier
section in CMT-EX5
Model Name Using Similar Mechanism NEW
CD Mechanism Type CDM71C-31BD63A
Base Unit Type BU-31BD63A
CD
SECTION
— Continued on next page —
Amplifier section
For the U.S. model
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION:
With 4 ohms loads, both channels driven, from
120 - 10,000 Hz; rated 12 watts per channel
minimum RMS power, with no more than 10%
total harmonic distortion from 250 milli watts
to rated output.
North American model:
Continuous RMS power output (Reference):
15 + 15 W
(4 ohms at 1 kHz, 10%
THD)
European model:
DIN power output (Rated):12 + 12 W
(4 ohms at 1 kHz, DIN)
Continuous RMS power output (Reference):
15 + 15 W
(4 ohms at 1 kHz, 10%
THD)
Music power output (Reference):
15 + 15 W
Other models:
The following measured at 220 V AC, 60 Hz
DIN power output (Rated):12 + 12 W
(4 ohms at 1 kHz, DIN,
110 V – 240 V AC)
Continuous RMS power output (Reference):
15 + 15 W
(4 ohms at 1 kHz, 10%
THD, 110 V – 240 V AC)
Inputs
PC/TAPE/MD IN (stereo mini jack):
voltage 450 mV (MD)/
250 mV (PC/TAPE),
impedance 47 kilohms
AM tuner section
Tuning range
Pan-American model: 530 – 1,710 kHz
(with the interval set at
10 kHz)
531 – 1,710 kHz
(with the interval set at
9 kHz)
European model: 531 – 1,602 kHz
(with the interval set at
9 kHz)
Other models: 530 – 1,710 kHz
(with the interval set at
10 kHz)
531 – 1,602 kHz
(with the interval set at
9 kHz)
Antenna AM loop antenna, external
antenna terminal
Intermediate frequency 450 kHz
Outputs
PC/TAPE/MD OUT (stereo mini jack):
voltage 250 mV,
impedance 1 kilohm
PHONES (stereo mini jack):
accepts headphones with
an impedance of 8 ohms
or more
OPTICAL CD DIGITAL OUT (Supported sampling
frequency: 44.1 kHz)
CD player section
System Compact disc and digital
audio system
Laser Semiconductor laser
(λ= 795 nm)
Emission duration:
continuous
Frequency response 2 Hz – 20 kHz
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range
North American model: 87.5 – 108.0 MHz
(100-kHz step)
Other models: 87.5 – 108.0 MHz
(50-kHz step)
Antenna FM wire antenna
Antenna terminals 75 ohms unbalanced
Intermediate frequency 10.7 MHz
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TEL 13942296513 QQ 376315150 892498299
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2
HCD-EX5
After correcting the original service problem, perform the
following safety checks before releasing the set to the customer:
Check the antenna terminals, metal trim, “metallized” knobs, screws,
and all other exposed metal parts forAC leakage. Check leakage as
described below.
LEAKAGE
TheAC leakage from any exposed metal part to earth ground and
from all exposed metal parts to any exposed metal part having a
return to chassis, must not exceed 0.5 mA (500 microamperes).
Leakage current can be measured by any one of three methods.
1. A commercial leakage tester, such as the Simpson 229 or RCA
WT-540A. Follow the manufacturers’instructions to use these
instruments.
2. A battery-operated AC milliammeter. The Data Precision 245
digital multimeter is suitable for this job.
3. Measuring the voltage drop across a resistor by means of a
VOM or battery-operatedAC voltmeter.The “limit” indication
is 0.75 V, so analog meters must have an accurate low-voltage
scale. The Simpson 250 and Sanwa SH-63Trd are examples of
a passive VOM that is suitable. Nearly all battery operated
digital multimeters that have a 2V AC range are suitable. (See
Fig. A)
SAFETY CHECK-OUT
To Exposed Metal
Parts on Set
0.15 µF1.5 kΩ
AC
Voltmeter
(0.75V)
Earth Ground
Fig.A. Using an AC voltmeter to check AC leakage.
General
Power requirements
North American model: 120 V AC, 60 Hz
European model: 230 V AC, 50/60 Hz
Mexican model: 120 V AC, 60 Hz
Australian model: 220 – 240 V AC,
50/60 Hz
Korean model: 220 V AC, 60 Hz
Chinese model: 220 V AC, 50/60 Hz
Other models: 110 – 240 V AC,
50/60 Hz
Power consumption
European model: See the nameplate
0.25 W (at the Power
Saving Mode)
Other models: See the nameplate
Dimensions (w/h/d) Approx. 186 ×235 ×
157 mm incl. projecting
parts and controls
Mass Approx. 3.0 kg
Design and specifications are subject to change
without notice.
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3
HCD-EX5
TABLE OF CONTENTS
1. SERVICING NOTES ······················································· 4
2. GENERAL ·········································································· 5
3. DISASSEMBLY ································································ 8
3-1. Case ··············································································· 9
3-2. OC Boad,OS Boad ························································ 9
3-3. Glass Window Assy (U) ·············································· 10
3-4. POWER Board ···························································· 10
3-5. BD Board····································································· 11
3-6. MAIN Board, Tunner ·················································· 11
3-7. CD Mechanism (CDM71C-31BD63A)······················· 12
3-8. Base Unit(BU-31BD63A) ··········································· 12
3-9. Holder Assy, Sled Motor Assy (M102) ······················· 13
3-10.Case Button Assy, LID Board ····································· 13
3-11.LID (CD) ····································································· 14
3-12.Ornament (Mecha Panel)············································· 14
3-13.L.MOTOR Board························································· 15
3-14.C MOTOR Board, L.SENSOR Board························· 15
3-15.ENCODER Board, D.SENSOR Board ······················· 16
3-16.RTR PulleyAssy, RTL PulleyAssy,
Belt (CDM71), Belt (Roller) (L) ································· 17
3-17.SPT PulleyAssy, Gear (RT) Assy, Gear (KT),
Belt (CDM71) ····························································· 19
4. TEST MODE···································································· 21
5. ELECTRICAL ADJUSTMENTS ······························· 24
6. DIAGRAMS······································································ 25
6-1. Block Diagrams ··························································· 25
6-2. Circuit Boards Location ·············································· 28
6-3. Schematic Diagram – BD Board – ······························ 29
6-4. Printed Wiring Board – BD Board (Side A) – ············· 30
6-5. Printed Wiring Board – BD Board (Side B) –············· 31
6-6. Schematic Diagram – MAIN Section (1/2) – ·············· 32
6-7. Schematic Diagram – MAIN Section (2/2) – ·············· 33
6-8. Printed Wiring Board – MAIN Board (Side A) –········ 34
6-9. Printed Wiring Board – MAIN Board (Side B) –········ 35
6-10.Printed Wiring Board – PANEL Section (Side A) –···· 36
6-11.Printed Wiring Board – PANEL Section (Side B) –···· 37
6-12.Schematic Diagram – MOTOR Section – ··················· 38
6-13.Printed Wiring Board – MOTOR Section – ················ 39
6-14.Printed Wiring Board – POWER Board (Side A) – ···· 40
6-15.Printed Wiring Board – POWER Board (Side B) – ···· 41
6-16.Schematic Diagram – POWER Section – ··················· 42
6-17.IC Pin Function Description········································ 43
7. EXPLODED VIEWS ······················································ 47
7-1. Case Section ································································ 47
7-2. Chassis Section-1 ························································ 48
7-3. Chassis Section-2 ························································ 49
7-4. Mechanism Section(CDM71C-31BD63A)-1 ·············· 50
7-5. Mechanism Section(CDM71C-31BD63A)-2 ·············· 51
7-6. Base Unit (BU-31BD63A) ·········································· 52
8. ELECTRICAL PARTS LIST ······································· 53
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TEL 13942296513 QQ 376315150 892498299
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4
HCD-EX5
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0OR DOTTED LINEWITH
MARK 0ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS
LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
This appliance is classified as a CLASS 1 LASER product. The
CLASS 1 LASER PRODUCT MARKING is located on the rear
exterior.
Laser component in this product is capable
of emitting radiation exceeding the limit for
Class 1.
CAUTION
Use of controls or adjustments or performance of procedures
otherthan those specified hereinmay result inhazardousradiation
exposure.
Notes on chip component replacement
•Never reuse a disconnected chip component.
•Notice that the minus side of a tantalum capacitor may be
damaged by heat.
Flexible Circuit Board Repairing
•Keep the temperature of soldering iron around 270˚C
during repairing.
•Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
•Be careful not to apply force on the conductor when soldering
or unsoldering.
NOTES ON HANDLING THE OPTICAL PICK-UP
BLOCK OR BASE UNIT
The laser diode in the optical pick-up block may suffer electrostatic
break-down because of the potential difference generated by the
charged electrostatic load, etc. on clothing and the human body.
During repair, pay attention to electrostatic break-down and also
use the procedure in the printed matter which is included in the
repair parts.
The flexible board is easily damaged and should be handled with
care.
NOTES ON LASER DIODE EMISSION CHECK
The laser beam on this model is concentrated so as to be focused on
the disc reflective surface by the objective lens in the optical pick-
up block. Therefore, when checking the laser diode emission,
observe from more than 30 cm away from the objective lens.
SECTION 1
SERVICING NOTES
This caution
label is
located inside
the unit.
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFÉS PAR UNE MARQUE 0SUR LES
DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT
CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE
REMPLACER CES COMPOSANTS QUE PAR DES PIÈSES SONY
DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU
DANS LES SUPPÉMENTS PUBLIÉS PAR SONY.
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TEL 13942296513 QQ 376315150 892498299
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5
HCD-EX5
SECTION 2
GENERAL This section is extracted
from instruction manual.
Main unit
ALPHABETICAL ORDER
A – Q
Disc slot 2(23)
Display window 4
DISPLAY qa (16, 19, 20)
FUNCTION 0(9 - 13, 15, 22,
24)
R – Z
Remote sensor qs
TUNER/BAND 9(13 - 15, 24)
TUNING +/– 6(13 -15)
VOLUME +/– 5(18)
BUTTON DESCRIPTIONS
@/1 (power) 1
Z3
./>6
m/M6
x7
NX 8
To open the front cover, push
down on the knob under the
display window.
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6
HCD-EX5
Remote control
ALPHABETICAL ORDER
A – K
BASS +/– qj (17)
CD Nws (9 - 11, 23)
CLEAR 9(10 - 12, 16)
CLOCK/TIMER SELECT 6
(19)
CLOCK/TIMER SET 7(8, 18)
CURSOR T/twd (8, 12)
DIMMER qk (19)
DISPLAY wg (16, 19, 20)
DSG qf (17)
ENTER/YES 8(8, 10, 12 - 14,
16, 18, 19, 22)
FM MODE qd (15, 24)
FUNCTION ql (9 - 13, 15, 22,
24)
L – Z
Letter/Number buttons wf (10,
12, 15)
MENU/NO q; (12 - 14, 16, 22)
NAME EDIT/SELECT 3(11,
16)
PLAY MODE w; (9 - 11, 13, 23,
25)
REPEAT qd (10)
SCROLL 5(12, 20)
SLEEP 2(17)
SURROUND qg (17)
TIME wh (11, 20)
TREBLE +/– qh (17)
TUNER BAND wa (13 -15)
TUNING MODE w; (13 - 15)
VOL +/– qs (18)
BUTTON DESCRIPTIONS
Z1
@/1 (power) 4
./>qa
+/– qa
Xws
xws
m/Mwd
1234
5
6
7
qa
qd
qs
qf
qg
qhqj
qk
ql
w;
wa
ws
wd
wf
wg
wh
8
9
0
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7
HCD-EX5
Replacing the battery in
the remote
1Slide out and remove the battery case.
2Insert a new lithium battery CR2025
with the + side facing up.
Setting the clock
1Turn on the system.
2Press CLOCK/TIMER SET on the
remote.
The day indication flashes.
3
Press .or >on the remote
repeatedly to set the day, then press
ENTER/YES on the remote.
The hour indication flashes.
4
Press .or >on the remote
repeatedly to set the hour, then press
ENTER/YES on the remote.
The minute indication flashes.
5
Press .or >on the remote
repeatedly to set the minuite, then
press ENTER/YES on the remote.
If you made a mistake
Press TCURSOR or CURSORton the remote
repeatedly until the indication you want to change
(day, hour, minuite) flashes, and then change the
setting.
To adjust the clock
1
Press CLOCK/TIMER SET on the remote.
2
Press .or >on the remote
repeatedly to select “CLOCK SET?”, then
press ENTER/YES on the remote.
3
Do the same procedures as steps 3 to 5
above.
A lithium battery CR2025
3
Slide the battery case back in.
Tip
When the remote no longer operates the system,
replace the battery with a new one.
Note
If you do not use the remote for a long period of time,
remove the battery to avoid possible damage from
battery leakage and corrosion.
Notes on lithium battery
• Keep the lithium battery out of the reach of
children. Should the battery be swallowed,
immediately consult a doctor.
• Wipe the battery with a dry cloth to assure a good
contact.
• Be sure to observe the correct polarity when
installing the battery.
• Do not hold the battery with metallic tweezers,
otherwise a short-circuit may occur.
WARNING
Battery may explode if you mistreated.
Do not recharge, disassemble or dispose of in fire.
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8
HCD-EX5 SECTION 3
DISASSEMBLY
•The equipment can be removed using the following procedure.
HOLDER ASSY,
SLED MOTOR ASSY (M102)
C MOTOR BOARD,
L.SENSOR BOARD
BASE UNIT (BU-31BD63A)
CASE BUTTON ASSY,LID BOARD
RTR PULLEY ASSY,RTL PULLEY ASSY,
BELT (CDM71), BELT (ROLLER) (L) SPT PULLEY ASSY,GEAR (RT)ASSY,
GEAR (KT), BELT (CDM71)
SET (HCD-EX5) CASE
OC BOARD,OS BOARD
BD BOARD
POWER BOARD
MAIN BOARD,TUNNER
CD MECHANISM
(CDM71C-31BD63A)
LID(CD) ORNAMENT
(MECHA PANEL)
L.MOTOR BOARD ENCODER BOARD,
D.SENSOR BOARD
GLASS WINDOW ASSY (U)
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TEL 13942296513 QQ 376315150 892498299
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9
HCD-EX5
Note : Follow the disassembly procedure in the numerical order given.
3-1. Case
3-2. OC Boad,OS Boad
2
six
screws (+BVTP 3
×
8
)
1
cover (back)
3
cover (bottom)
6
c
onnector
(CN621)
7
case
4
four
screws (+BVTP 3
×
8
)
5
4
guide disc assy
6
OS board
8
OC board
5
two claws
7
two claws
3
bracket
cas
e
1
two
screws (+BTP 2.6
×
8
)
2
screw (+BTP 2.6
×
8
)
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10
HCD-EX5
3-3. GlassWindow Assy (U)
3-4. POWER Board
5
four
step
screws (slider)
7
glass
window assy (U)
1
t
hree
screws (+BVTP 3
×
8
)
3
t
hree
screws (+BVTP 3
×
8
)
2
retainer plate
(R)
4
retainer plate
(L)
6
four bushings (bracket)
qh
POWER board
qd
five
screws (+BVTP 3
×
8
)
qf
shield (lower)
qg
insulator (power 1)
2
three
screws
(+BVTP 3
×
8
)
3
clamp
7
two
screws (+BVTP 3
×
8
)
8
two
screws
(+BVTP 3
×
8
)
9
two
screws
(+BVTP 3
×
8
)
4
three
screws
(+BVTP 3
×
8
)
qs
shield (upper)
q;
four
screws
(+BVTP 3
×
8
)
qa
four
screws
(+BVTP 3
×
8
)
1
t
wo
screws
(+BVTP 3
×
8
)
6
c
onnector
5
f
lat type wire
(15 core)
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
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11
HCD-EX5
3-5. BD Board
3-6. MAIN Board,Tunner
(BLK)
(RED)
5
h
ook
7
BD board
2
Remove solder (two portions ).
3
Remove solder (two portions ).
6
flxible
board
1
f
lat type wire (23 core)
4
screw (+B 2
×
4
)
9
MAIN board
6
tunner
3
seven
screws (+BVTP 3
×
8
)
4
back panel
1
two
screws
(+BVTP 3
×
8
)
2
f
ront panel assy
5
f
lat type wire
(11 core or 15 core)
8
f
lat type wire
(23 core)
7
connector
(CN601)
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
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12
HCD-EX5
3-7. CD Mechanism (CDM71C-31BD63A)
3-8. Base Unit(BU-31BD63A)
1
two
screws (+BVTP 3
×
8
)
6
four
screws (+BVTP 3
×
8
)
2
f
ront panel assy
3
f
lat type wire
(23 core)
4
connector (CN302)
5
connector (CN303)
7
CD mechanism (CDM71C-31BD63A)
5
base unit
(BU-31BD63A
)
2
screw
(+PTPWH M2.6)
cam (A)
shaft
1
4
3
Rotate the SPT pulley assy in the direction of to move the Base unit shaft
forward.
shaft
SPT pulley assy
1
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
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13
HCD-EX5
3-9. Holder Assy, Sled Motor Assy (M102)
3-10. Case Button Assy, LID Board
(BLK)
9
two screws
(+PTPWH M2.6)
8
screw
(+PTPWH M2.6)
qs
screw
(+P 2
×
3)
qd
sled motor assy (M102)
q;
h
ook
qa
base unit
holder assy
6
coil spring (B) (holder)
7
coil spring (C) (holder)
5
BD board
1
Remove solder
(two portions ).
2
Remove solder
(two portions ).
4
flxible
board
3
screw
(+BTP 2
×
8
)
(RED)
1
screw (+BVTP 3
×
8
)
9
case button assy
7
four
screws (+BVTP 3
×
8
)
3
frame (R)
4
two
screws
(+BVTP 3
×
8
)
5
two
hooks
2
two
hooks
6
frame (L)
8
8
q;
three
screws (+BTP 2.6
×
8
)
qa
LID board
qs
two
screws (+KTP 2.6
×
6
)
qd
two
screws
(+KTP 2.6
×
6
)
qf
glass window assy (L)
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
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14
HCD-EX5
3-11. LID (CD)
3-12. Ornament (Mecha Panel)
2
three
screws
(+BVTT 2.6
×
4
)
1
tension coil spring (CD door
)
4
three
screws
(+BVTT 2.6
×
4
)
6
LID (CD)
5
retainer plate (L)
3
retainer plate (R)
1
four
screws
(+BVTP 2.6
×
8
)
2
ornament (mecha panel)
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
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http://www.xiaoyu163.com
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15
HCD-EX5
3-13. L.MOTOR Board
3-14. C MOTOR Board, L.SENSOR Board
2
two
screws
(+BVTP 2.6
×
8
)
4
L.MOTOR board
3
connector
(CN711)
1
Remove solder (two portions ).
2
two screws
(+BTP M 2.6
×
6
)
8
screw
(+BTP M 2.6
×
6)
7
C MOTOR board
1
Remove solder
(two portions ).
6
c
onnector
(CN755)
5
c
onnector
(CN753)
4
c
onnector
(CN754)
3
connector
(CN711)
9
L.SENSOR board (R)
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
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16
HCD-EX5
3-15. ENCODER Board, D.SENSOR Board
4
screw (+PWH 2
×
6)
2
screw (+BTP 2.6
×
8
)
6
screw
(+BTP 2.6
×
6)
1
screw
(+BTP 2.6
×
6)
5
ENCODER
board
3
cover (encoder)
7
D.SENSOR board
PRECAUTION DURING ENCODER board INSTALLATION
pulley (LDG2)
cam (A)
ENCODER board
Rotate the pulley (LDG2) until the mark of the cam (A) becomes visible.
Install the ENCODER board in the way that it is sandwiched by
the cut-outs of the ENCODER board.
Ver 1.1 2003.12
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
17
HCD-EX5
3-16. RTR Pulley Assy, RTL Pulley Assy, Belt (CDM71), Belt (Roller) (L)
qf
RTL pulley assy
qg
gear (S1)
qh
belt (CDM71)
qj
belt (ROLLER) (L)
RTL pulley assy
8
c
law
9
c
law
qs
RTR pulley assy
RTR pulley assy
pulley (RTR) assypulley (RTL) assy
5
ENCODER
board
(When installing it, see the ENCODER board item.)
4
screw (+PWH 2
×
6)
2
screw (+BTP 2.6
×
8
)
6
screw
(+BTP 2.6
×
6)
1
screw
(+BTP 2.6
×
6)
3
cover (encoder)
7
D.SENSOR board
q;
q;
qa
qd
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
18
HCD-EX5
PRECAUTION DURING PULLEY (RTR) ASSY, PULLEY (RTL) ASSY INSTALLATION
gear (S2)
(9 o'clock position)
claw
claw
claw
pulley (RTR) assy
pulley (RTR) assy
pulley (RTR) assy
gear(S1)
pulley (RTL) assy
pulley (RTL) assy
pulley (RTR) assy
Method of adjustment is as follows.
Raise the right gear (S1) a little and perform adjustment
by moving the left gear (S1).
Place the holes of the gear (S2) at the 9 o'clock position and install
the pulley (RTR) assy.
Install it in the way that the gear of the cut-out portion as shown is located in
between the marks of the gear (S2).
marks of the gear (S2)
Then install the pulley (RTL) assy in the way that it can perform
the symmetrical movement with the pulley (RTR) assy.
Then lock both claws.
Confirm that the pulley (RTR) contacts the claws.
Opposite to it, the pulley (RTL) assy must
have clearance of 1 to 2 mm with the claw.
It should contact with claw.
If clearance is too large or it contacts with claw,
adjustment is necessary.
1 to 2 mm
w
w
w
.
x
i
a
o
y
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1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
19
HCD-EX5
3-17. SPT Pulley Assy, Gear (RT) Assy, Gear (KT), Belt (CDM71)
2
SPT pulley assy
4
gear (KT)
3
gear (RT) assy SPT pulley assy
1
1
When installing, align the protruded portion of the KT gear with groove of the SPT
pulley assy.
Rotate the SPT pulley assy in the direction of , and remove your hands
at the position where the shaft agrees with the hole shape on the chassis.
5
belt (CDM71 )
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
20
HCD-EX5
PRECAUTION DURING gear (RT) assy, gear (KT) INSTALLATION
gear (KT
)
gear (RT) assy gear (RT) assy
torsion spring (M)
gear (S2) gear (S2)
pulley (LDG2)
lever (ST)
cam (A)
Confirm that the gear (S2) mark is located
in between the gear (RT) assy marks.
Rotate the pulley (LDG2) until it reaches the position
where the cam (A) contacts with the lever (ST). Install the gear (KT) and position it so that the boss
that is closest to the inside is located at the 9 o'clock position.
The boss that is closest to the inside
Install the gear (RT) assy so that the two bosses are aligned
in between the torsion spring (M).
Install the gear (S2) so that its hole is located at the 9 o'clock position.
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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