CLARION CK120 Service Manual

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Service Manual for CLARION CK120, downloadable as a PDF file.

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- 1 -
PN-1741D, N
Published by Service Dept.
Printed in Japan
Clarion Co., Ltd.
50 Kamitoda, Toda-shi, Saitama 335-8511 Japan
Service Dept.: 5-66 Azuma , Kitamoto-shi, Saitama 364-0007 Japan
Tel: +81-48-541-2335 / 2432 FAX: +81-48-541-2703
298-6034-00 Dec.2002 P
Service Manual
Model
NISSAN Automobile Genuine
AM/FM Radio Cassette Stereo
PN-1741D-A
Trim color: Black
(Genuine No.28115 6Y600/ID No.CK120)
PN-1741D-B
Trim color: Beige
(Genuine No.28115 6Y601/ID No.CK130)
PN-1741D-C
Trim color: Gray
(Genuine No.28115 6Y660/ID No.CK140)
PN-1741N
Escutchon color: Gray
(Genuine No.28115 5W900/ID No.CK090)
Model
Model
Model
SPECIFICATIONS
Radio section
Tuning system:
PLL Frequency synthesizer system
Receive range:
AM
530kHz to 1,710kHz
FM
87.9MHz to 107.9MHz
Intermediate frequency:
AM
450+3/-3kHz
FM
10.7+0.2/-0.2MHz
Quieting sensitivity:
PN-1741D
AM
Less than 37dBu
(at 20dB S/N)
FM
Less than 15dBu
(at 30dB S/N)
PN-1741N
AM
Less than 32dBu
(at 20dB S/N)
FM
Less than 10dBu
(at 30dB S/N)
Separation:
FM
22dB+5/-7dB(1kHz)
Auto tuning stop sensitivity:
PN-1741D
AM
39+6/-6dBu
(at 1000kHz,1400kHz)
FM
32+6/-6dBu
PN-1741N
AM
32+6/-6dBu
FM
25+6/-6dBu
Tape section
Reproducting system: 4 track 2 program
2 channel stereo system
Wow and flutter:
Less than 0.15%(W.R.M.S)
Separation:
More than 35dB
Cross talk:
More than 45dB
S/N ratio:
Normal tape(120us)
More than 47dB(DOLBY B NR off)
More than 55dB(DOLBY B NR on)
Metal tape(70us)
More than 49dB(DOLBY B NR off)
More than 57dB(DOLBY B NR on)
FF/REW time:
Less than 110sec.(C-60)
*
Dolby noise reduction manufactured under license from
Dolby Laboratories Licensing Corporation.
"DOLBY" and the double-D symbol are trademarks of
Dolby Laboratories Licensing Corporation.
*
Specifications and design are subject to change without
notice for further improvement.
General
Load impedance:
300ohm x 4
Power output:
6V x 4
Power supply voltage: DC14.4V(10.8V to 15.6V)
Negative ground
Mounting dimensions(mm):
180(W) x 54(H) x 160(D)
Weight:
1.39kg
background image
- 1 -
PN-1741D, N
Published by Service Dept.
Printed in Japan
Clarion Co., Ltd.
50 Kamitoda, Toda-shi, Saitama 335-8511 Japan
Service Dept.: 5-66 Azuma , Kitamoto-shi, Saitama 364-0007 Japan
Tel: +81-48-541-2335 / 2432 FAX: +81-48-541-2703
298-6034-00 Dec.2002 P
Service Manual
Model
NISSAN Automobile Genuine
AM/FM Radio Cassette Stereo
PN-1741D-A
Trim color: Black
(Genuine No.28115 6Y600/ID No.CK120)
PN-1741D-B
Trim color: Beige
(Genuine No.28115 6Y601/ID No.CK130)
PN-1741D-C
Trim color: Gray
(Genuine No.28115 6Y660/ID No.CK140)
PN-1741N
Escutchon color: Gray
(Genuine No.28115 5W900/ID No.CK090)
Model
Model
Model
SPECIFICATIONS
Radio section
Tuning system:
PLL Frequency synthesizer system
Receive range:
AM
530kHz to 1,710kHz
FM
87.9MHz to 107.9MHz
Intermediate frequency:
AM
450+3/-3kHz
FM
10.7+0.2/-0.2MHz
Quieting sensitivity:
PN-1741D
AM
Less than 37dBu
(at 20dB S/N)
FM
Less than 15dBu
(at 30dB S/N)
PN-1741N
AM
Less than 32dBu
(at 20dB S/N)
FM
Less than 10dBu
(at 30dB S/N)
Separation:
FM
22dB+5/-7dB(1kHz)
Auto tuning stop sensitivity:
PN-1741D
AM
39+6/-6dBu
(at 1000kHz,1400kHz)
FM
32+6/-6dBu
PN-1741N
AM
32+6/-6dBu
FM
25+6/-6dBu
Tape section
Reproducting system: 4 track 2 program
2 channel stereo system
Wow and flutter:
Less than 0.15%(W.R.M.S)
Separation:
More than 35dB
Cross talk:
More than 45dB
S/N ratio:
Normal tape(120us)
More than 47dB(DOLBY B NR off)
More than 55dB(DOLBY B NR on)
Metal tape(70us)
More than 49dB(DOLBY B NR off)
More than 57dB(DOLBY B NR on)
FF/REW time:
Less than 110sec.(C-60)
*
Dolby noise reduction manufactured under license from
Dolby Laboratories Licensing Corporation.
"DOLBY" and the double-D symbol are trademarks of
Dolby Laboratories Licensing Corporation.
*
Specifications and design are subject to change without
notice for further improvement.
General
Load impedance:
300ohm x 4
Power output:
6V x 4
Power supply voltage: DC14.4V(10.8V to 15.6V)
Negative ground
Mounting dimensions(mm):
180(W) x 54(H) x 160(D)
Weight:
1.39kg
background image
- 2 -
PN-1741D, N
COMPONENTS
PN-1741D-A,D-B,D-C,N-A,N-B
Main unit
-----------
1
NOTE
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.
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 character-
istics when replacing them.
The use of unspecified parts shall be regarded as remod-
eling 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,
bonding,gaps to PWB, etc, is involved. The wiring connec-
tion 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 inspection.
If extended damage is caused due to negligence during
repair, the legal responsibility shall be with the repairing
company.
3. Check for safety after repair.
Check that the screws, parts and wires are put back se-
curely in their original position after repair. Ensure for safety
reasons there is no possibility of secondary ploblems
around the repaired 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 bat-
tery connected, a short circuit and/or fire may occur. If ex-
tensive damage is caused due to negligence of repair, the
legal responsibility shall be with the repairing company.
5. Cautions regarding chips.
Do not reuse removed chips even when no abnormality is
observed in their appearance. Always replace them with
new ones. (The chip parts include resistors, capacitors,
diodes, transistors, etc). The negative pole of tantalum
capacitors is highly susceptible to heat, so use special care
when replacing them and check the operation afterwards.
6. 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.
7. Turn the unit OFF during disassembly and parts replace-
ment. Recheck all work before you apply power to the unit.
EXPLANATION OF IC
052-3162-11
M30624MGA-123GP
Main System Controller
1.Terminal Description
pin
1: DISP CLK OUT : O : The clock pulse output to the display driv-
er.
pin
2: DISP DATA
:I/O: The serial data output to the LCD driver,
or the serial data input/output for the VFD
driver.
pin
3: DISP INT/DI
: IN : The serial data input from the LCD driv-
er, or the interrupt signal input from the
VFD driver.
pin
4: ILL PULSE
: IN : ILL-pulse input.
pin
5: TIME BASE
: IN : Time base signal input.
pin
6: BYTE
: IN : The data length selection(8bit/16bit_).
pin
7: CN VSS
: IN : Inputting "L" at single mode operation.
pin
8: TEST_
: IN : Test enable signal input.
pin
9: ILL ON
: IN : "H"= Illumination ON.
pin 10: RESET
: IN : Reset signal input.
pin 11: X OUT
: O : Crystal connection.
pin 12: GND
: - : Ground.
pin 13: X IN
: IN : Crystal connection.
pin 14: VDD
: - : Positive supply voltage.
pin 15: NU
: - : Not in use.
pin 16: B/U DET
: IN : Backup voltage ON signal input.
pin 17: ACC ON
: IN : ACC ON signal input.
pin 18: TEL
: IN : The telephone interrupt pulse input.
pin 19: SB SYNC
: IN : Sub code sync.
pin 20: AMP ON
: O : Audio power amplifier ON signal output.
pin 21: SYS ON
: O : System-ON signal output.
pin 22: DSP ON
: O : The ON signal for the VFD filament or the
back light of LCD.
pin 23: AF MUTE
: O : Audio frequency mute signal output.
pin 24: BEEP
: O : Beep out.
pin 25: NAVI MUTE
: O : Mute signal output to suppress the noise
signal at Navigation sound interrupting.
pin 26: 6 CD REQ
: IN : The request signal input.
pin 27: 6 CD RX
: IN : The signal input of NDS.
pin 28: 6 CD TX/ON
: O : The signal output of NDS, or the CD ON
signal output.
pin 29: NDS TX
: O : NDS TX
pin 30: NDS RX
: IN : NDS RX
pin 31: FLASH CLK
: O : The flash clock output.
pin 32: NAVI ON
: O : Navigation ON signal output.
pin 33: ES TX
: O : ES TX.
pin 34: ES RX
: IN : ES RX.
pin 35: NDS CNT
: O : The selection signal output for the exter-
nal CD automatic changer.
pin 36: NDS REQ 2
: IN : Request signal input from NDS.
pin 37: NDS REQ 1
: IN : Request signal input from NDS.
pin 38: SOURCE CHG : O : The selection signal output for the exter-
nal CD automatic changer.
pin 39: FLASH EPM
: O : FLASH EPM.
pin 40: VOL/EEP DO
: O : The serial data output to the electric vol-
ume or the EEP ROM.
pin 41: VOL/EEP CL
: O : The clock pulse output to the electric vol-
ume or the EEP ROM.
pin 42: VOL CE
: O : Chip enable signal output to the volume
IC.
pin 43: EEP CE
: O : The chip enable signal output to the EEP
ROM.
pin 44: FLASH CE
: O : FLASH CE.
pin 45: EEP DI
: IN : The serial data input from EEP ROM.
pin 46: AUX REQ
: O : AUX request signal output.
pin 47: AUX ON
: IN : AUX ON flag input.
pin 48: COMB ON
: O : COMB ON flag output.
pin 49: BUC 0
:I/O: CD IC Data input / output.
pin 50: BUC 1
:I/O: CD IC Data input / output.
background image
- 3 -
PN-1741D, N
pin 51: BUC 2
:I/O: CD IC Data input / output.
pin 52: BUC 3
:I/O: CD IC Data input / output.
pin 53: BUC CLOCK
: O : CD IC clock pulse output.
pin 54: CCE
: O : Chip enable signal output to CD IC.
pin 55: CD RESET
: O : Reset signal output to the CD IC.
pin 56: S STOP
: IN : In side limit signal input.
pin 57: CHU SW
: IN : CD disc chucking signal input.
pin 58: TR A
: IN : The signal input from the CD mechanism.
pin 59: TR B
: IN : The signal input from the CD mechanism.
pin 60: VDD
: - : Positive supply voltage.
pin 61: LD CNT
:I/O: The loading control.
pin 62: GND
: - : Ground.
pin 63: PLL CE
: O : Chip enable signal output to the PLL IC.
pin 64: PLL CLK
: O : Clock pulse output to the PLL IC.
pin 65: PLL DO
: O : Serial data output to the PLL IC.
pin 66: PLL DI
: IN : Serial data input from the PLL IC.
pin 67: ST/TWEET
:I/O: Outputs "L" at AM 900kHz receiving. In-
puts "L" at FM stereo receiving.
pin 68: NDS/IMB
: O : "H"= NDS, "L"= IMB.
pin 69: MECH MUTE
: O : Mechanism Mute signal output.
pin 70: RDS DATA
: IN : RDS serial data input.
pin 71: RDS CLK
: IN : Clock pulse input from RDS decoder.
pin 72: SPEED PULSE : IN : The speed pulse input.
pin 73: TAPE IN
: IN : Tape loading start signal input.
pin 74: MODE BIT 1
: IN : Mode switch signal input from the mech-
anism.
pin 75: MODE BIT 2
: IN : Mode switch signal input from the mech-
anism.
pin 76: MODE BIT 3
: IN : Mode switch signal input from the mech-
anism.
pin 77: REEL PULSE
: IN : Reel pulse input.
pin 78: APC SENSE
: O : Sensitivity selection signal output to the
APC circuit. "H"= play.
pin 79: APC DET
: IN : APC detection signal input.
pin 80: PWR MTR 1
: O : Power motor control signal output.
pin 81: PWR MTR 2
: O : Power motor control signal output.
pin 82: MAIN MTR
: O : The main mortor control signal output.
pin 83: DOLBY
: O : DOLBY ON signal output.
pin 84: FWD / REV_
: O : "H"= Forward, "L"= Reverse.
pin 85: VOL1/LD MUTE : IN : The volume pulse input, or the LD MUTE
input.
pin 86: VOL2/CD CON : IN : The volume pulse input, or the short
check flag input for the cable to CD.
pin 87: 6 CD LOAD
: IN : The load signal input.
pin 88: TAPE EJECT
: IN : The tape eject signal input.
pin 89: EJECT
: IN : Eject key input.
pin 90: Tel/Radio
: O : The input selection signal output for the
electric volume.
pin 91: ILL DC
: IN : VFD-brightness control signal input.
pin 92: REMOCON A
: IN : The input terminal of the internal ADC for
the handle remote controller.
pin 93: REMOCON B
: IN : The input terminal of the internal ADC for
the handle remote controller.
pin 94: A VSS
: - : Analog ground.
pin 95: S METER
: IN : The input terminal of Internal A/D convert-
er to detect the Voltage of FM S meter.
pin 96: Vref
: - : Reference voltage
pin 97: A VCC
: - : Positive supply voltage for the internal
analog section.
pin 98: POWER SW
: IN : Power Key input(alternative).
pin 99: DISP CE2/RST : O : The chip enable signal-2 output to the
VFD driver, or the reset signal output to
the LCD driver.
pin100: DISP CE1/CE
: O : The chip enable signal-1 output to the
VFD driver, or the chip enable signal out-
put to the LCD driver.
ADJUSTMENTS
Radio section
Item
Procedure
Measuring
instrument
FM
Diversity
1. Input the 98.1MHz/20dB(1kHz,30% MOD) signal.
2. Connect a digital tester to TP101 and adjust VR101 so that the reading of digital
tester is 0.6+0.1/-0.1V.
SSG
Digital tester
FM noise
convergence
1. Input the 98.1MHz/55dBu(1kHz 30% MOD) signal. (VOL 1.4V=0dB)
2. Adjust the outputs to -18+1/-1dB by VR102 when the SG output is set to -20dBu.
SSG
AC volt meter
Tape section
Item
Procedure
Measuring
instrument
Dolby level
1. Playback a Dolby level test tape(400Hz,200nWb/m) and connect the Milli-volt
meter to TP201(L)/TP202(R).
2. Adjust VR1(L)/VR2(R) to obtain an output of TP201(L)/TP202(R) is
300mV+1/-1dB. (Dolby SW:off)
Dolby test tape
Milli-volt meter
Tape speed
1. Playback a Wow & flutter test tape(3kHz,-10VU) and connect the frequency
counter to TP201(L) or TP202(R).
2. Adjust Speed VR of the motor to obtain an output of TP201(L),TP202(R) is from
2970Hz to 3090Hz.
Wow & flutter
test tape
Frequency counter
background image
- 4 -
PN-1741D, N
BLOCK DIAGRAM
EXPLODED VIEW
PARTS LIST
Main section
Note) Some parts depend on each model. The model name is specified in the description.
NO.
PART NO.
DESCRIPTION
Q'TY
NO.
PART NO.
DESCRIPTION
Q'TY
1
039-2024-00
SWITCH PWB
1
(WITHOUT COMPONENT)
2
074-1151-06
OUTLET SOCKET 6P
1
3
074-1151-16
OUTLET SOCKET 16P
1
4
017-0447-64
PILOT LAMP 8V105mA (1741D)
2
017-0447-55
PILOT LAMP 8V105mA (1741N)
5
017-0433-54
PILOT LAMP 14V40mA
6
6
013-6302-50
SWITCH
14
7
016-0010-04
VARIABLE RESISTOR
1
8
353-0523-00
SHADE
1
9
353-0524-00
SHADE
1
10
335-5364-01
ILLUMI HOLDER
1
11
335-6165-00
LCD ILLUMI
1
12
335-5493-02
COLOR FILTER
1
13
379-1212-40
INDICATOR
1
14
331-2678-10
LCD HOLDER
1
15
347-5491-00
SHADE
1
16
940-7914-42
ESCUTCHEON ASSY(1741D-A)
1
940-7914-52
ESCUTCHEON ASSY(1741D-B)
940-7914-62
ESCUTCHEON ASSY(1741D-C)
940-7874-20
ESCUTCHEON ASSY(1741N)
17
380-5449-20
KNOB (1741D)
1
380-5449-00
KNOB (1741N)
18
716-0872-00
PAD SCREW M1.7 x 5
6
19
320-0588-65
DUSTPROOF COVER(1741D-A)
1
320-0588-66
DUSTPROOF COVER(1741D-B)
320-0588-67
DUSTPROOF COVER(1741D-C)
320-0588-73
DUSTPROOF COVER(1741N)
20
750-2626-00
SPRING
1
21
039-2226-00
MAIN PWB
1
(WITHOUT COMPONENT)
22
076-0540-06
PLUG 6P
1
23
076-0540-16
PLUG 16P
1
24
309-0732-01
FRONT PLATE
1
25
880-1917F
AM/FM TUNER PACK(1741D)
1
880-1917D
AM/FM TUNER PACK(1741N)
26
074-0850-08
OUTLET SOCKET DIN 8P
1
27
076-0461-20
PLUG 20P
1
28
074-1068-11
OUTLET SOCKET
1
29
307-0632-01
REAR PLATE
1
30
331-2679-01
REAR COVER
1
31
331-2471-10
MECHANISM BRACKET ASSY
1
32
714-2606-81
MACHINE SCREW M2.6 x 6
9
33
076-0544-12
PLUG 12P
1
34
331-2026-21
CONNECTOR HOLDER B
1
35
074-1013-30
OUTLET SOCKET
1
36
716-1494-00
IT SCREW M2.6 x 6
9
background image
- 5 -
PN-1741D, N
NO.
PART NO.
DESCRIPTION
Q'TY
NO.
PART NO.
DESCRIPTION
Q'TY
37
310-1663-01
UPPER CASE
1
38
286-9233-37
SETPLATE (1741D)
1
286-9233-38
SETPLATE (1741N)
39
311-1758-03
LOWER CASE
1
40
345-8683-00
GASKET
1
41
039-2227-00
SUB PWB
1
(WITHOUT COMPONENT)
42
076-0544-14
PLUG 14P
1
43
331-2025-11
CONNECTOR HOLDER A
1
44
074-1087-12
OUTLET SOCKET
1
45
930-0792-06
TAPE MECHANISM (1741N)
1
930-0792-86
TAPE MECHANISM (1741D,N)
x6
14
x 6
x
( PN-1741D )
( PN-1741N )

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