Kenwood CKDC-495, CKDC-395-A, CKDC-395 Service Manual
CD RECEIVER
CKDC-395
CKDC-395A
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3
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CKDC-495
SERVICE MANUAL
MANUFACTURED BY VISTEON
TEL 13942296513 QQ 376315150 892498299
Panel assy
CKDC-395 (A64-3687-02)
VOL
AUD
SET UP
FF
Panel assy
CKDC-495 (A64-3689-02)
SCAN RDM REP
/
AUTO
These 3 panel assies do not include any knobs.
For details, refer to the exploded view.
4
2
9
8
© 2005-4 CREATED IN JAPAN
B53-0280-00 (N) 0
Panel assy
CKDC-395A (A64-3688-02)
VOL
AUD
SET UP
FF
SCAN RDM REP
9
8
2
/
AUTO
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
VOL
AUD
13942296513
SET UP
FF
SCAN RDM REP
Mounting hardware assy
(J22-0227-03)
DC cord
(E30-6123-15)
/
AUTO
AME
Escutcheon
(B07-3160-01)
Q
Q
1
3
6
7
3
Plastic cabinet
(A02-2746-01)
Lever
(D10-4705-04) x2
9
8
0
5
1
5
This palstic cabinet
does not include the 2 cushions.
For details, refer to the exploded view.
Screw (4x16)
(N84-4016-48)
2
4
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This product uses Lead Free solder.
CKDC-395/395A/495
BLOCK DIAGRAM
7
Q
Q
ANT
TEL 13942296513 QQ 376315150 892498299
J2
CHANGER
BACK-UP
TEL
3
J4
CD or MD
MECHA
AUDIO OUT
AUDIO OUT
SWITCH UNIT (X16-)
ED1
VFD
S11
VOL
13942296513
AM+B
AM AGC
Q501
SERVO
A8V
BU5V
.......
6
L506
FM AGC
800mV
1200mV
RDS
DECODER
IC4
VFD DRIVER
KEY MATRIX
1
5
3
MPX OUT
MPX IN
IC11
E2PROM
IC7
PAN5V BU5V
with
1
E-VOL
&
TUNER
SYSTEM u-COM
REMOTE
.......
KEY
ILLUMI
ELECTRIC UNIT (X34-)
IC10
RST IC
IC3
5
IC8
BU5V
IC1
0
A8V
Q
Q155
DSI
Q
Q351,352
PRE MUTE
IC6
MUTE LOGIC
PAN5
SERVO
3
7
Q151
PAN5V
Q72,73
6
9
8
SURGE DET
Q52
BU DET
Q53
ACC DET
SERVO
VFD REG
5
1
3
Q51
IC4
IC15
1
4
2
POWER IC
0
5
SW5V
AM+B
A8V
BU5V
8
9
8
FM (J/K Type)
FM (E Type)
AM (J/K Type)
AM (E Type)
CD/MD RECEIVER
POWER SUPPLY IC
P-CON
P-ANT
SW5V
AM+B
AUDIO+B
VCC
BU5V
ILLUMI
4
2
9
2
J6
J1
IC3
9
PRE OUT
:1800mV
:
1372mV
:
600mV
:
855mV
:
3600mV
:CHANGER
3600mV
SP OUT
BACK-UP
ACC
TEL MUTE
P-ANT
P-CON
2
8
9
9
9
TEL 13942296513 QQ 376315150 892498299
9
MECHA ASSY (X92-)
PICK-UP (DPU1)
EF
TR COIL
FO COIL
DM1
SPINDLE MOTOR
DM2
LOADING & SLED
MOTOR
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A
C
B
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D. GND
Q1
APC
IC3
2
2
2
2
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VREF
MOTOR
DRIVER
LOADING
H
L
SLED
Q5,6,D3
CURR.
AMP
S. GND
o
CD PLAYER UNIT (X32-5750-00)
X1
CLOCK
16.934MHz
12
4
u
IC2
SERVO
PROCESSOR
u-COM
DRV MUTEMUTE
VREF
1
6
D. GND
IC1
RF AMP
VREF
y
A+5V
3
REF
A. GND
D. GND
SW +5V
D. GND
.
D2
5V REG
c
IC4
Q2
5V SW
LPF
o
Q4
8V SW
Q3
SW
S3
S2
S1
m
MOTHER
BOARD (X34-)
DOUT
CLK
4
DATA
MSTOP
MRST
2
MUTE L
MUTE R
L-ch
R-ch
A8V
A. GND
BU5V
D. GND
LOE/LIM SW
12EJE SW
LOS SW
S7.5V
S. GND
MOTOR
LO/EJ
22
19
18
10
11
12
13
8
6
9
7
15
14
1
21
20
3
2
4
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2
CKDC-395/395A/495
COMPONENTS DESCRIPTION
7
Q
Q
● ELECTRIC UNIT (X34-3920-1x)
TEL 13942296513 QQ 376315150 892498299
TEL
3
Ref. No. Application / Function Operation / Condition
IC1 SYSTEM µ-COM System control.
IC3 POWER SUPPLY DC5Vx2, 7.9Vx1, 8.1Vx1, 10.3V, P.CON, P-ANT output.
IC4 POWER IC Audio signal amplifier.
IC6 MUTE LOGIC Mute control.
IC7 RDS DECODER For other models.
IC8 RESET “L” when detection voltage goes below 3.6V.
IC10 E-VOL & TUNER E-VOL, Tuner, Stereo decode.
IC11 E2PROM Saves and writes tuner adjustment data.
IC15 VFD REGULATOR 11.3V output voltage for LED and VFD.
Q51 SERGE DET “ON” when the base goes “H”.
Q52 BU DET “ON” when the base goes “H”.
Q53 ACC DET “ON” when the base goes “H”.
Q71 SERVO+B CONTROL SW “ON” when the base goes “H”.
Q72,73 SERVO+B AVR Output voltage level : 7.5V.
Q74 IC3 CONTROL SW “ON” when the base goes “H” (Output voltage : 10.3V).
Q151 PANEL 5V SW “ON” when the base goes “L”.
Q155 DSI ILLUMI SW “ON” when the base goes “L”.
Q252 IC4 STBY SW “ON” when the base goes “L”.
Q330 Q351, 352 MUTE DRIVER “ON” when the base goes “L”.
Q351 Lch PRE MUTE SW Pre-output is muted when the base goes “H”.
Q352 Rch PRE MUTE SW Pre-output is muted when the base goes “H”.
Q501 AM RF AMP Adjusts for AM-RF gain.
13942296513
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3
1
5
1
5
0
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1
5
1
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TEL 13942296513 QQ 376315150 892498299
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● CD PLAYER UNIT (X32-5750-00)
Ref. No. Application / Function Operation / Condition
Generation of RF signal based on the signals from the APC circuit and pickup, and
IC1
IC2
IC3 4ch BTL DRIVER
IC4 L.P.F. (LOW PASS FILTER) 2nd low pass filter for audio signals.
Q1
Q2 DIGITAL +5V SW “ON” When P. ON signal goes “L”.
Q3 Q4 SW “ON” When P. ON signal goes “L” (SW+5V is ON).
Q4 ANALOG +8V SW “ON” When P. ON signal goes “L” (Q3 is ON).
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Q5, 6 CURRENT AMP Current driver.
RF AMPLIFIER responding generation of servo error (focusing error and tracking error) signals.
to CD-RW Detection of dropout, anti-shock, track crossing and off-tracking conditions, included
gain control function during CD-RW.
Focusing, tracking, sled and spindle servo processing.
CD SIGNAL PROCESSOR Automatic adjustment (focusing, tracking, gain, offset and balance) operations.
built-in µ-COM Digital signal processing (DSP, PLL, sub-codes, CIRC error correction, audio data
interpolation processing) operations, and microcomputer function.
Focusing coil, tracking coil, spindle motor and sled motor driver, disc loading and
eject operation.
APC (AUTOMATIC POWER CONTROL)
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LD power control.
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CKDC-395/395A/495
COMPONENTS DESCRIPTION
7
Q
Q
● SWITCH UNIT (X16-3370-1x)
Ref. No. Application / Function Operation / Condition
IC3 REMOTE SENSOR
IC4 VFD DRIVER
Q21 PAN SW5V “ON” when the base goes “H”.
TEL 13942296513 QQ 376315150 892498299
3
6
MICROCOMPUTER’S TERMINAL DESCRIPTION
3
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5
1
5
0
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9
2
4
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2
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TEL 13942296513 QQ 376315150 892498299
● SYSTEM µ-COM : IC1 on X34- (ELECTRIC UNIT)
TEL
Pin No.
1 DC ERR I DC offset detection input
2 LINE MUTE I Phone detection NAVI MUTE : Over 2.5V, TEL MUTE : Below 1V
3ROTARY CW I Rotary encoder input
4AVSS 5 TUN TYPE1 I E-VOL setting switch Refer to “TUN TYPE” on the TRUTH TABLE
6 TUN TYPE2 I E-VOL setting switch Refer to “TUN TYPE” on the TRUTH TABLE
7AVREF1 8 VFD DATAF I Data input from VFD driver
9 VFD DATAS O Data output to VFD driver
10 VFD CLK O Clock output to VFD driver
11 L VFD RST O Reset output to VFD driver
12 VFD CE O Chip enable output to VFD driver
13 ROTARY CCW I Rotary encoder input
14 L TDF DET I TDF panel detection TDF panel OFF : H, TDF panel ON : L
15 PWIC BEEP O Beep output
16~19 NC -
20 L TUN ADJ I For adjusting IC10
21 TUN SD I Tuner search stop output H : Station exists, L : Station does not exist
22~24 NC -
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25 AUD SDA I/O Volume + tuner I2C data input and output
Active
13942296513
(H/L)
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Pin Name I/O Application Processing Operation
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3
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9
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0
5
1
5
1
3
6
7
Display OFF, Key reset, TDF panel OFF : L
Display ON, Key scan : H
Adjustment=H, PS1-1,2=L, PS1-3=Hi-Z,
PS2-1,2=Hi-Z, TUN DATA, CLK=Hi-Z
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CKDC-395/395A/495
MICROCOMPUTER’S TERMINAL DESCRIPTION
7
Q
Q
Pin No.
TEL 13942296513 QQ 376315150 892498299
TEL
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Active
(H/L)
26 AUD SCL I/O Volume + tuner I2C clock input and output
27 H PWIC STBY O Power IC standby output Power IC ON : H, Power IC OFF : L
28 H VOL MUTE O E-VOL mute output L : Mute OFF, Hi-Z : Mute ON
29 L PWIC MUTE O Power IC mute output Power OFF : L, Standby : L, Tel mute : L
30 TUN FANC OUT O Tuner block (inside the µ-com) check OK : L, NG : H
31 RESET2 O Mute for reset Output L
32 NC 33 VSS1 34 NC 35 L ACC DET I ACC detection ACC exists : L, ACC does not exist : H
36 L BU DET I Momentary power-down detection
37 NC 38 PS2-2 O Power supply control output
39 PS2-1 O Power supply control output
40 PS1-1 O Power supply control output
41 PS1-2 O Power supply control output
42 PS1-3 O Power supply control output
43,44 NC 45 CD MUTE I CD mute request L : Mute request
46 L CD MSTOP O CD mecha u-com stop
47 CD LOE LIM SW I CD detection (chucking switch) H : Loading is finished, L : Disc does not exist
48 CD LOEJ I/O CD motor control
49 CD MOTOR O CD motor control
50 NC 51 L CD MRST O CD mecha µ-com reset H : Normal condition, L : Reset
52 CD SCL I/O CD mecha I2C clock output
53 CD DISC12 SW I 12cm CD detection
54 CD LOS SW I CD loading detection
55 CD SDA I/O CD mecha I2C data input and output
56 OEM DISP CE I/O External display chip enable External display
57 OEM DISP CLK I/O External display clock External display
58 OEM DISP DATA I/O External display chip data External display
59 DSI O DSI control DSI ON : H, DSI OFF : L, TDF DET=H (DSI blinks)
60 L RESET I
61 NC -
62 L PON FL O VFD power supply ON
63 KEY REQ I Communication request from VFD driver L : Key input
64 NC -
13942296513
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Pin Name I/O Application Processing Operation
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2
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BU exists : L
BU does not exist (Momentary power-down) : H
Refer to “POWER IC CONTROL” on the TRUTH TABLE
Refer to “POWER IC CONTROL” on the TRUTH TABLE
Refer to “POWER IC CONTROL” on the TRUTH TABLE
Refer to “POWER IC CONTROL” on the TRUTH TABLE
Refer to “POWER IC CONTROL” on the TRUTH TABLE
0
5
1
5
1
3
6
H : mecha µ-com operates, L : mecha µ-com is stopped
Refer to “CD MECHA CONTROL OPERATION”
on the TRUTH TABLE
Refer to “CD MECHA CONTROL OPERATION”
on the TRUTH TABLE
VFD ON : H, VFD OFF : L
TDF DET H (DSI blinks) : L, TDF DET L : H
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TEL 13942296513 QQ 376315150 892498299
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CKDC-395/395A/495
MICROCOMPUTER’S TERMINAL DESCRIPTION
7
Q
Q
Pin No.
65 REMOTE I Remote control input
66 NC 67 VSS0 68 VDD1 69 X2 70 X1 71 TEST -
TEL 13942296513 QQ 376315150 892498299
72 XT2 73 XT1 74 VDD0 75 AVDD 76~78 TYPE 3~TYPE 1 I Destination switch
79 NC 80 TUN SMETER I Tuner S-meter input
● TRUTH T ABLE
• TUN TYPE
General models commercially-designated as pure KENWOOD brand (Initial value)
TEL
Initial value setting
General models commercially-designated as pure KENWOOD brand (CRSC is changed)
Multi-Path Band-Path Gain=12dB, Multi-Path Charge Current=0.4µA, De-Emphasis=75µS
3
Active
(H/L)
13942296513
6
Pin Name I/O Application Processing Operation
3
1
5
1
5
0
Q
Q
3
7
6
8
3
2
9
TYPE 1 TYPE 2
1
5
1
4
8
0
5
LL
HL
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9
8
2
4
2
9
8
9
2
9
9
TEL 13942296513 QQ 376315150 892498299
9
• POWER SUPPLY IC (IC3) CONTROL
SEL1 (Pin No. 11)
PS1-2 PS1-3 PS2-1 ILLUMI P-CON P-ANT
LLLOFF OFF OFF
LLHONOFF OFF
HLHONONOFF
HHHONONON
SEL2 (Pin No. 12)
PS1-1 PS2-2 AUDIO SW5 AM
LLOFF OFF OFF
HLONON OFF
HHONON ON
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• CD MECHA CONTROL OPERATION
CD LOEJ CD MOTOR CD MECHA OPERATION
LH Load
HH Eject
Hi-Z L Stop
Hi-Z H Brake
6
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CKDC-395/395A/495
MICROCOMPUTER’S TERMINAL DESCRIPTION
7
Q
Q
● CD MECHANISM µ-COM : IC2 on X32- (CD PLAYER UNIT)
Pin No.
1 TVD O Traverse drive output (PWM output).
2 SPL O Spindle motor drive output (PWM output).
3NC-No connection.
4 PWM O Multipurpose PWM output.
5 TBAL O Tracking balance adjustment output (PWM output).
TEL 13942296513 QQ 376315150 892498299
6 FBAL O Focusing balance adjustment output (PWM output).
7 NRFDET I RF detection signal input. L : Detection
8 OFT I Off-tracking signal input. H : Detection
9 BDO I Drop-out signal input. H : Detection
10 LDON O Laser-on signal output. H : Focus ON
11 DSLB O DSL balance output.
12 DVDD1 - Power supply for digital circuit.
13 DVSS1 - GND for digital circuit.
14 AVSS2 - GND for analog circuit. For DSL, PLL and A/D converter
15 DSLF I/O Loup filter for DSL and bias output for ARF.
16 ARF I RF signal input.
17 RFSW I DSL circuit time constant switch.
TEL
18 PLLF I/O Loup filter for PLL.
19 PLLF2 I/O Loup filter character switch for PLL.
20 IREF I Reference current input.
21 RFENV I RF envelope signal input.
22 TRCRS I Tracking cross signal input.
23 TE I Tracking error signal input.
24 FE I Focusing error signal input.
25 AVDD2 - Power supply for analog circuit. For DSL, PLL and A/D converter
26 AVSS1 - GND for analog circuit. For Lch/Rch audio output
27 OUTR O Rch audio output.
28 AVDD1 - Power supply for analog circuit. For Lch/Rch audio output
29 OUTL O Lch audio output.
30 DVSS3 - GND for digital circuit.
31 CSEL 32 NC - No connection.
33 ASEL 34 MSEL0 35 MSEL1 36~39 NC - No connection.
40 VREFP - Reference power supply input for A/D converter.
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41 HOT -
3
Active
(H/L)
13942296513
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Pin Name I/O Application Processing Operation
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5
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Q
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3
6
7
3
6
8
3
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1
1
5
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2
5
o
4
0
m
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8
2
4
2
9
8
9
2
9
9
TEL 13942296513 QQ 376315150 892498299
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7
CKDC-395/395A/495
MICROCOMPUTER’S TERMINAL DESCRIPTION
7
Q
Q
Pin No.
42 8EJE SW 43
44 LOE/LIM SW I
45~49 NC - No connection.
50 DVDD2 - Power supply for digital circuit.
TEL 13942296513 QQ 376315150 892498299
51 X1 I Main clock input.
52 X2 O Main clock output.
53 DVSS2 - GND for digital circuit.
54 XSUB1 55 NC - No connection.
56 TEST1 - Test terminal. Normal condition : “H” fixed
57 TEST2 - Test terminal. Normal condition : “H” fixed
58,59 NC - No connection.
60 DRV MUTE O Driver mute control. L : Mute ON, H : Mute OFF
61 L MUTE L O Audio Lch mute output.
62 L MUTE R O Audio Rch mute output.
63 L RST I LSI reset input.
TEL
64 OCD CLK 65 L MSTOP I Standby detection.
66 DATA I/O
67 SBIO I Data input. During serial writer is connected.
68 L CLK I/O
69 TX O Digital audio interface signal output.
70 NC - No connection.
71 XSEL 72 MCNT I Loading control / Eject control. L : OFF (Host control), H : Mecha µ-com control
73 P. ON O Audio & Servo power supply control. L : Power supply ON. H : Power supply OFF
74,75 NC - No connection.
76 CD-RW O CD-RW control. H : CD-RW, L : Normal disc
77 NC - No connection.
78 DVDD3 - Power supply for digital circuit.
79 FOD O Focusing drive output (PWM output).
80 TRD O Tracking drive output (PWM output).
3
Active
(H/L)
13942296513
6
Pin Name I/O Application Processing Operation
12EJE/SDET SW
1
5
1
3
Loading-end detection / H : Loading-end detection
Pick-up inner circumference detection. L : Pick-up inner circumference detection
I2C bus data line (Communication line to system µ-com).
I2C bus clock line (Communication line to system µ-com).
5
0
Q
Q
3
7
4
2
9
8
0
5
1
5
1
3
6
During serial writer is connected.
During serial writer is connected.
9
8
9
8
2
4
2
9
8
9
2
9
9
TEL 13942296513 QQ 376315150 892498299
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TEST MODE
CKDC-395/395A/495
7
Q
Q
How to enter the test mode
While simultaneously press PRESET “1” k ey and PRESET “3”
key, press “RESET” button.
How to release the test mode
Press “RESET” button. (The release cannot be achieved in
the conditions of POWER OFF and ACC OFF.)
Initial conditions of the test mode
TEL 13942296513 QQ 376315150 892498299
• The source is “STANDBY”.
• The displays all lit up.
• The volume is at –10dB (The display shows “30”.)
• LOUD is “OFF”.
• CRSC is “OFF”.
• SYSTEM Q is “NATURAL”.
• BEEP is sounded at all time with the key depressed f or less
Special displays when all indicator lights are lighted
When “PRESET” keys are pressed while all indicators for the
STANDBY sources are lighted, the following displays will appear.
TEL
PRESET
“1” key (4digits : hour, minute)
PRESET
“2” key (Display) : XXXX xxxx
PRESET
“3” key time display (STANDBY source time is not counted.)
PRESET
“4” key time display
3
than 1 second.
13942296513
•Version display (4 digits : month, date)
(Display) : XXXX xxxx
• Serial number display (4 digits) (4 digits)
•When pressed for less than 1 second : POWER ON
(Display) : _ _ _ X xxxx MAX 60,000 (hours)
* The display is cleared by pressing the key for more
than 2 seconds.
• When pressed for less than 1 second : CD operation
(Display) : _ _ _ X xxxx MAX 60,000 (hours)
* The display is cleared by pressing the key for more
than 2 seconds.
6
3
1
5
1
5
0
Q
Q
PRESET
“5” key number display
PRESET
“6” key close number display
“FM” • ROM CORRECTION version display
key (Display)
“AM” • IC10 adjustment status (Refer to “ADJUSTMENT” on
key the following page.)
7
3
“ ”•Mechanism error detection status
key • Communication error → Error No. 1 → Error No. 2 →
4
2
9
8
•When pressed for less than 1 second : CD EJECT
(Display) : _ _ _ X xxxx MAX 60,000 (times)
* The display is cleared by pressing the key for more
than 2 seconds.
• When pressed for less than 1 second : Panel open/
(Display) : _ _ _ X xxxx MAX 600,000 (times)
* The display is cleared by pressing the key for more
than 2 seconds.
Effective : Rxxx (x : number)
Not effective (When not able to read) : R – – –
Not effective (When version is different) : R✳✳✳
(Display)
Adjustment complete : E2OK
Adjustment not completed : E2ER
5
1
3
6
Communication error : ICER
* When other than “E2P _ OK _ _” , Pin No. 30 will
become “H”.
Error No. 3 → Communication error (Error No. 1 is the
most recent error.)
(Display)
Communication OK : ICOK
Communication error : ICER
Not detected : En – – (n : 1~3)
Detected : En✳✳ (✳✳ : error code)
* The display is cleared by pressing the key for more
than 2 seconds.
1
5
0
9
8
9
2
8
4
2
9
8
9
2
9
9
TEL 13942296513 QQ 376315150 892498299
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CKDC-395/395A/495
SPECIAL MODE
7
Q
Q
● DC offset error detection confirmation mode
Confirmation mode :
While depressing PRESET “3” key and PRESET “6” key
simultaneously, press on the “RESET” button.
(Display) Detected : DCER
* By pressing “CLK” key while “DCER” is being displayed,
detection status is cleared. This will result in the display of
“DCOK”.
TEL 13942296513 QQ 376315150 892498299
Release Method : Press “RESET” button.
● Mechanism memory clear confirmation mode
Confirmation mode :
While depressing “ATT” key and “Q” key simultaneously,
press “RESET” button.
(Display) : MCLR
*Two seconds after the confirmation mode boots up, Mecha-
nism memory clear as a result is displayed.
(Display) Clear status display normal completion : CD _ O
Release Method : Press “RESET” button.
TEL
3
Not detected : DCOK
Clear status display abnormal completion : CD _ –
13942296513
6
3
1
5
1
5
0
After replacing the following parts, adjust as follows.
REPLACED PARTS ADJUSTMENT ITEMS
Ref. No.
IC10 E-VOL & TUNER YES YES YES
IC11 E2PROM YES YES YES
L507 VCO COIL YES YES YES
L508 1st AM MIX IFT YES - L509 2nd AM MIX IFT - YES L518 FM ANTENNA COIL - - YES
D504 VARIABLE YES YES YES
D506 VARIABLE YES YES YES
X501
● 1st AM MIX / 2nd AM MIX ADJUSTMENT
ADJUSTMENT POINT : L508 (1st AM MIX) / L509 (2nd AM
MIX)
VOLTAGE VALUE CHECK POINT : S-METER check land (X34-)
Adjust so that S-METER voltage value becomes maximum.
7
3
Q
Q
ADJUSTMENT
4
2
9
8
Function / Parts name
CAPACITANCE DIODE
CAPACITANCE DIODE
CRYSTAL RESONATOR
5
1
3
6
1st AM MIX 2nd AM MIX FM antenna
YES YES YES
8
0
5
1
9
9
8
2
4
2
9
8
9
2
9
9
TEL 13942296513 QQ 376315150 892498299
9
● FM/AM channel space switching
When in the conditions of ACC ON and POWER OFF, while
depressing PRESET “1” key and PRESET “5” key simultaneously, press “SRC” key.
• SG setting
DESTINATION
Europe 999kHz OFF 35dBµV (EMF)
Except Europe 1000kHz OFF 35dBµV (EMF)
● FM ANTENNA ADJUSTMENT
ADJUSTMENT POINT : L518
VOLTAGE VALUE CHECK POINT : S-METER check land (X34-)
Adjust so that S-METER voltage value becomes maximum.
• SG setting
DESTINATION
Europe 87.5MHz OFF
Except Europe 87.9MHz OFF
FREQUENCY MODULATION ANTENNA INPUT
FREQUENCY MODULATION ANTENNA INPUT
5dBµV (LOAD) or
11dBµV (EMF)
5dBµV (LOAD) or
11dBµV (EMF)
10
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
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