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PN-2940S-A,
S-B,C,D,E,F
- 1 -
Service Manual
Published by Service Dept.
Printed in Japan
Clarion Co., Ltd.
7-2, Shintoshin, Chuo-ku, Saitama-shi, Saitama 330-0081 Japan
Service Dept.: 7-2, Shintoshin, Chuo-ku, Saitama-shi, Saitama 330-0081 Japan
Tel: +81-48-601-3705 FAX: +81-48-601-3804
298-6539-00 Jan.2008
Model
RENAULT Genuine
6-disc CD/MP3/WMA Autochanger
With Sub Control Panel Switch
PN-2940S-A
(Genuine No. 28184 JY10A)
(Facial color : Black) (For Korea)
PN-2940S-B
(Genuine No. 28184 JY10B)
(Facial color : Black) (For Korea)
PN-2940S-C
(Genuine No. 28184 JY00A)
(Facial color : Black) (For Europe)
PN-2940S-D
(Genuine No. 28184 JY00B)
(Facial color : Black) (For Europe)
PN-2940S-E
(Genuine No. 28184 JY20A)
(Facial color : Wood type) (For Korea)
PN-2940S-F
Model
Model
Model
Model
Model
(Genuine No. 28184 JY20B)
(Facial color : Wood type) (For Korea)
SPECIFICATIONS
Disc format:
CD-DA, CD-R/RW
Disc:
12cm disc
MP3 mode:
Sampling rate:
MPEG1 ; 32kHz, 44.1kHz, 48kHz
MPEG2 ; 24kHz, 22.05kHz, 16kHz
MPEG2.5; 8kHz, 11.025kHz, 12kHz
Bit rate:
MPEG1 ; 32k to 320kbps/VBR
MPEG2 ; 8k to 160kbps/VBR
MPEG2.5 ; 8k to 160kbps/VBR
Logical Format;
ISO9660 level1, 2
Romeo or Joliet
WMA mode:
Sampling rate:
Ver 7 ; 32kHz, 44.1kHz
Ver 8 ; 32kHz, 44.1kHz
Ver 9 ; 32kHz, 44.1kHz, 48kHz
Bit rate:
48k to 192kbps/VBR
B/U Current consumption:
Less than 0.25mA
Distortion:
Less than 0.2%(20kHz L.P.F.)
Power supply voltage: 13.2V DC(10.8V to 15.6V)
Ground:
Negative
Dimensions(mm):
231.43(W) x 75(H) x 183(D)
Weight:
1.95kg
( PN-2940S-A, S-E )
( PN-2940S-B, S-F )
( PN-2940S-C )
( PN-2940S-D )


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PN-2940S-A,
S-B,C,D,E,F
- 2 -
NOTES
*
This product includes technology owned by Microsoft
Corporation and cannot be used or distributed without a
license from MSLGP
*
This unit is used special adjustment jig for measuring.
*
Special data is individually written in ROM IC used for
this model. When ROM IC BR93L56RFVM-W(IC7) is
replaced, it is necessary to write data.
*
We cannot supply PWB with component parts in prin-
ciple. When a circuit on PWB has failure, please repair it
by component parts base. Parts which are not mentioned
in service manual are not supplied.
*
Specifications and design are subject to change without
notice for further improvement.
COMPONENTS
1.
Main unit
-----------
1
To engineers in charge of repair or
inspection of our products.
Before repair or inspection, make sure to follow the
instructions so that customers and Engineers in charge
of repair or inspection can avoid suffering any risk or
injury.
1. Use specified parts.
The system uses parts with special safety features against fire
and voltage. Use only parts with equivalent characteristics
when replacing them.
The use of unspecified parts shall be regarded as remodeling
for which we shall not be liable. The onus of product liability
(PL) shall not be our responsibility in cases where an accident
or failure is as a result of unspecified parts being used.
2. Place the parts and wiring back in their original positions after
replacement or re-wiring.
For proper circuit construction, use of insulation tubes, bond-
ing, gaps to PWB, etc, is involved. The wiring connection and
routing to the PWB are specially planned using clamps to keep
away from heated and high voltage parts. Ensure that they are
placed back in their original positions after repair or inspec-
tion.
If extended damage is caused due to negligence during re-
pair, the legal responsibility shall be with the repairing com-
pany.
3. Check for safety after repair.
Check that the screws, parts and wires are put back securely
in their original position after repair. Ensure for safety reasons
there is no possibility of secondary ploblems around the re-
paired spots.
If extended damage is caused due to negligence of repair, the
legal responsibility shall be with the repairing company.
4. Caution in removal and making wiring connection to the parts
for the automobile.
Disconnect the battery terminal after turning the ignition key
off. If wrong wiring connections are made with the battery con-
nected, a short circuit and/or fire may occur. If extensive dam-
age is caused due to negligence of repair, the legal responsi-
bility shall be with the repairing company.
5. Cautions in soldering
Please do not spread liquid flux in soldering.
Please do not wash the soldering point after soldering.
6. Cautions in soldering for chip capacitors
Please solder the chip capacitors after pre-heating for replace-
ment because they are very weak to heat.
Please do not heat the chip capacitors with a soldering iron
directly.
7. Cautions in handling for chip parts.
Do not reuse removed chips even when no abnormality is ob-
served in their appearance. Always replace them with new
ones. (The chip parts include resistors, capacitors, diodes, tran-
sistors, etc).
Please make an operation test after replacement.
8. Cautions in handling flexible PWB
Before working with a soldering iron, make sure that the iron
tip temperature is around 270
. Take care not to apply the
iron tip repeatedly(more than three times)to the same patterns.
Also take care not to apply the tip with force.
9. Turn the unit OFF during disassembly and parts replacement.
Recheck all work before you apply power to the unit.
10. Cautions in checking that the optical pickup lights up.
The laser is focused on the disc reflection surface through the
lens of the optical pickup. When checking that the laser opti-
cal diode lights up, keep your eyes more than 30cms away
from the lens. Prolonged viewing of the laser within 30cms
may damage your eyesight.
11. Cautions in handling the optical pickup
The laser diode of the optical pickup can be damaged by elec-
trostatic charge caused by your clothes and body. Make sure
to avoid electrostatic charges on your clothes or body, or dis-
charge static electricity before handling the optical pickup.
11-1. Laser diode
The laser diode terminals are shorted for transportation in or-
der to prevent electrostatic damage. After replacement, open
the shorted circuit. When removing the pickup from the mecha-
nism, short the terminals by soldering them to prevent this
damage.
11-2. Actuator
The actuator has a powerful magnetic circuit. If a magnetic
material is put close to it. Its characteristics will change. En-
sure that no foreign substances enter through the ventilation
slots in the cover.
11-3. Cleaning the lens
Dust on the optical lens affects performance.
To clean the lens, apply a small amount of isopropyl alcohol to
lens paper and wipe the lens gently.
CAUTIONS
This appliance contains a laser system and is classified as
a "CLASS 1 LASER PRODUCT". In case of any trouble with
this player, please contact your nearest "AUTHORIZED
service station". To prevent direct exposure to the laser
beam,do not to open the enclosure.
TENSI O N D' UTI L I SATI O N 1 2 V
AU CHASSI S
MAD E I N
H N A
Cl a r i o n
C o . , L t d
P A RT
NO .
S E RI A L
NO .
RENAUL T PART No.
ND E
M O D E L E
6 CDC
UNI T
T h i s
pr oduc t
i nc l u des
t ec hnol ogy
o wned
by
M i c r os of t
Cor porat i on
and
c a nnot
be us ed
or
di s t r i but e d
wi t hout
a
l i c ens e
f r om M S LGP .
N E
PAS
L AI SSER
T OMB ER
DO
NO T
D RO P
WA R N I N G
AVH
'
Top view of the unit
C
I


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PN-2940S-A,
S-B,C,D,E,F
- 3 -
TROUBLESHOOTING
No power
Check
B/U, ACC
OK
NG
Check
the operating key
switch
Confirm to circuit block of IC9
Confirm to the voltage value of
circuit line of B/U :
TP102, TP4, D4, IC4, TP11
circuit line of ACC :
Q10, TP10, TP2, D14, D15,
Q22, TP43
Heden detection :
R47, R48, TP31
circuit line of RESET :
IC8, TP47
Confirm to the voltage value of
TP2 to TP22, FPC and connector
on Switch PWB
TP50 to TP74,
NBUS Q8 ,Q13, Q15, Q16, Q17
on Main PWB
NG
Check
the system starts
by POWER ON
NG
OK
OK
Confirm to the voltage value of
Power on switch: S419, TP15
on Switch PWB
TP50 on Main PWB
Sys on REQ: TP22, Q313, Q302,
TP101
Power on
No sound CD
OK
OK
NG
Check
the power of
CD mechanism
NG
OK
OK
Check
the waveform of
10pin of J1
( TP111 )
Check
the operating key
switch
Check
the communication line
of CD mechanism
NG
Check
the operate of
CD mechanism
Problem of CD mechanism
NG
Confirm to
connection of CD mechanism
NG
OK
Confirm to the voltage value of
TP2 to TP22, FPC and connector
on Switch PWB
TP50 to TP74,
NBUS Q8 ,Q13, Q15, Q16, Q17
on Main PWB
Confirm to the voltage value of
ACC9V: Q5,D5,Q4,Q3,D3,TP110
VDD3.3V: TP113
Confirm to the voltage value of
I2C: TP83,TP84,TP85,TP86,TP88
Confirm to
the output circuit of SPDIF
IC1, L4, R26, Q6, Q7, FIL4, L102
Not lighting LED
OK
OK
NG
Check
the Illumi control
Check LED
( D401 to D427 )
NG
OK
Check
B/U, ACC
Check
IC1, IC2
on Switch PWB
NG
Confirm to the voltage value of
TP33, TP34, Q30, Q31, Q32, Q9,
Q12, Q14, TP92, TP93,
TP23 to TP29
on Main PWB
Confirm to IC1, IC2
on Switch PWB
Confirm to the voltage value of
circuit line of B/U :
TP102, TP4, D4, IC4, TP11
circuit line of ACC :
Q10, TP10, TP2, D14, D15,
Q22, TP43
Heden detection :
R47, R48, TP31
circuit line of RESET :
IC8, TP47
Not operating key switch
OK
OK
NG
Check
ES key switch
NG
Check
B/U, ACC
Confirm to the voltage value of
NBUS Q8 ,Q13, Q15, Q16, Q17
on Main PWB
Problem of IC9
Confirm to the voltage value of
circuit line of B/U :
TP102, TP4, D4, IC4, TP11
circuit line of ACC :
Q10, TP10, TP2, D14, D15,
Q22, TP43
Heden detection :
R47, R48, TP31
circuit line of RESET :
IC8, TP47
Confirm to TP2 to TP22
on Switch PWB,
FPC and connector,
TP50 to TP74 on Main PWB


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PN-2940S-A,
S-B,C,D,E,F
- 4 -
Main PWB
J1
CONNECTOR
19PIN
CD mechanism
MICOM
M30302MAP
IC9
EEPROM (2K)
BR93L56RFVM
IC7
P-ON1
10MHz
RESET
BD5227G
IC8
ACC
N-BUS
TX , RX , REQ
SYS ON REQ
VDD 3.3V IC4
J3
CONNECTOR
TH24
N-BUS
ACC9V Q3, Q4, Q5, D5
BUS BUFFER
CIRCUIT
Q8,Q13,Q15,Q16,Q17,
D7,D9,D11,D12
ACC-DET
D14, D15, Q22
SYS On Request
Q302,Q313, R352, TH301
+B
B/U-DET
BD5235G
IC6
VDDREF Q10, Q11
Sys On Req
OUT
ACC
POW-ON
Sys
On
Req
Control
Switch PWB
LED DRIVER
SERIAL/PARALEL
IC1, IC2
LED (RED)
D407 - 412
LED (ORG)
D401 - D406, D413 - D425
ILLUMI
CONTROL1
Q30, Q32
BU-
DET1
7.7V
KEY
LED-CNT
BUS
ILLUMI
CONTROL2
Q9,Q12,Q14,Q31
Control1
Control2
GND
/REQ
SCL
SDA
SPDIF
SYS-ACC
A-MUTE
B/U DET
RESET
SPDIF
/REQ
SCL
SDA
RESET
SYS-ACC
A-MUTE
SPDIF BUFFER
IC1, L4, Q6, Q7, L102
B/U FILTER
T1, C1
ACC4.1V IC5
POWER SUPPLY
UART
INT
KEY-INT
INT
J1
CONNECTOR
60PIN
DIMMER
PANEL SW
J1
CONNECTOR
40PIN
FPC
039-2977-00
LED (ORG)
D426, D427
EXPLODED VIEW / PARTS LIST
1
940-8180-00
ES-ASSY (PN-2940S-A)
1
940-8180-10
ES-ASSY (PN-2940S-B)
940-8180-20
ES-ASSY (PN-2940S-C)
940-8180-30
ES-ASSY (PN-2940S-D)
940-8180-42
ES-ASSY (PN-2940S-E)
940-8180-52
ES-ASSY (PN-2940S-F)
2
-----------
SWITCH PWB
1
3
013-6301-50
SWITCH
19
4
001-7093-92
LED(ORG)
23
5
001-7107-91
LED(RED)
6
6
074-1189-90
OUTLET SOCKET(40P)
1
7
073-0778-90
TERMINAL
1
8
016-7000-00
ROTARY ENCODER
1
9
345-6098-00
ILLUMI RUBBER A
1
10
345-6099-00
ILLUMI RUBBER B
1
11
345-6022-00
ILLUMI RUBBER C
1
12
345-6023-00
ILLUMI RUBBER D
1
13
382-8276-00
BUTTON(POWER)
1
14
335-8063-00
BUTTON HOLDER
1
15
380-5698-00
KNOB
1
16
335-8062-00
KNOB HOLDER
1
17
750-6844-00
SPRING
1
18
716-0778-51
WAVE SCREW(2 x 6)
12
19
714-2605-4B MACHINE SCREW(M2.5 x 6)
5
20
778-3006-51
SCREW(3 x 6)
3
21
311-1931-00
LOWER CASE
1
22
310-1841-00
UPPER CASE
1
23
309-0844-01
ES-PLATE
1
24
331-4305-00
MECH-BRKT(L)
1
25
331-4306-00
MECH-BRKT(R)
1
26
-----------
MAIN PWB
1
27
929-0383-80
CD-CHANGER-MODULE
1
28
331-4303-00
SIDE SPRING(L)
1
29
716-3570-00
REAR BOLT
1
30
345-5911-00
STOPPER
1
31
331-4302-00
CONNECTOR HOLDER
1
32
074-4011-24
OUTLET SOCKET
1
33
039-2977-00
FPC(WITHOUT COMPONENT)
1
34
714-2605-8B MACHINE SCREW(M2.6 x 5)
12
35
714-3006-4B MACHINE SCREW(M3 x 6)
2
36
716-3552-00
SCREW(M2.3 x 2.5)
6
37
716-0878-50
IT SCREW(M2.6 x 5)
5
38
714-2606-8H MACHINE SCREW(M2.6 x 6)
6
39
276-0322-00
SETPLATE (PN-2940S-A)
1
276-0322-01
SETPLATE (PN-2940S-B)
276-0322-02
SETPLATE (PN-2940S-C)
276-0322-03
SETPLATE (PN-2940S-D)
276-0322-04
SETPLATE (PN-2940S-E)
276-0322-05
SETPLATE (PN-2940S-F)
40
331-4304-00
SIDE SPRING(R)
1
41
331-4300-00
TR-HOLDER
1
BLOCK DIAGRAM
Main section
NO.
PART NO.
DESCRIPTION
Q'TY
NO.
PART NO.
DESCRIPTION
Q'TY


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PN-2940S-A,
S-B,C,D,E,F
- 5 -
34
23
28
35
34
34
34
40
35
25
36
26
37
41
32
31
38
38
30
29
22
36
24
33
39
27
21
1
19
6
4 ×23
3 ×19
5 ×6
2
×12
7
18
8
11
12
10
9
15
13
14
16
17
19
18
20
18
18
20