KENWOOD KDC-X9017 Service Manual

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Service Manual for KENWOOD KDC-X9017, downloadable as a PDF file.

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© 2001-1 PRINTED IN JAPAN
B51-7716-00(S) 1529
SERVICE MANUAL
CD RECEIVER
KDC-X917/X817/9017
q KDC-X817
PTY
4.5V
PREOUT
AUD
OFF
SRC
DISC
DAB
AME
AUTO
KDC-X817 System E's+
EX
COMPACT
TEXT
DIGITAL AUDIO
50Wx 4
CLK
LOUD
SCAN
MENU
RDM
REP
M. RDM
DISC
NF
ANG
NAME
DISP
Knob(EJECT)
(K24-3653-04)
Front glass
(B10-3252-01:X917)
(B10-3253-01:X817)
(B10-3254-01:9017)
Panel assy
(A64-2149-02:X917)
(A64-2150-02:X817)
(A64-2151-02:9017)
Knob(VOL)
(K25-1216-03)
Knob(1-6)
(K25-1221-03)
Knob(FM/AM)
(K25-1218-03)
Screw set
(N99-1704-05)
Escutcheon
(B07-3010-02)
Stay
(J54-0606-04)
Remote controller assy
(A70-0883-05:9017)
(A70-0894-05:X917/X817)
Bracket
(J19-5051-03:L)
(J19-5052-03:R)
Mounting hardware assy
(J21-9716-03)
Plastic cabinet assy
(A02-1497-03)
DC cord
(E30-4939-05:X917/X817)
(E30-4940-05:9017)
Screw set
(N99-1652-05)
Lever
(D10-4562-04)
Torsion coil spring
(G01-2924-04)
background image
© 2001-1 PRINTED IN JAPAN
B51-7716-00(S) 1529
SERVICE MANUAL
CD RECEIVER
KDC-X917/X817/9017
q KDC-X817
PTY
4.5V
PREOUT
AUD
OFF
SRC
DISC
DAB
AME
AUTO
KDC-X817 System E's+
EX
COMPACT
TEXT
DIGITAL AUDIO
50Wx 4
CLK
LOUD
SCAN
MENU
RDM
REP
M. RDM
DISC
NF
ANG
NAME
DISP
Knob(EJECT)
(K24-3653-04)
Front glass
(B10-3252-01:X917)
(B10-3253-01:X817)
(B10-3254-01:9017)
Panel assy
(A64-2149-02:X917)
(A64-2150-02:X817)
(A64-2151-02:9017)
Knob(VOL)
(K25-1216-03)
Knob(1-6)
(K25-1221-03)
Knob(FM/AM)
(K25-1218-03)
Screw set
(N99-1704-05)
Escutcheon
(B07-3010-02)
Stay
(J54-0606-04)
Remote controller assy
(A70-0883-05:9017)
(A70-0894-05:X917/X817)
Bracket
(J19-5051-03:L)
(J19-5052-03:R)
Mounting hardware assy
(J21-9716-03)
Plastic cabinet assy
(A02-1497-03)
DC cord
(E30-4939-05:X917/X817)
(E30-4940-05:9017)
Screw set
(N99-1652-05)
Lever
(D10-4562-04)
Torsion coil spring
(G01-2924-04)
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KDC-X917/X817/9017
2
BLOCK DIAGRAM
PLL+B
FM+B
AM+B
DIMMER
MUTE
2W
A
Y
DET
.
AC
C
SRM
B
U
DET
.
SRM
DRIVER
A8V
SER
V
O
DC/DC
SW5V
B
U5V
P
CON
ANT
-CON
MUTE
DRIVER
4.5V
PRE
MUTE
E's
PO
WER
IC
IC4
u-COM
IC1
CD
CH
IC7
IC10-12
Q37-42
IC5
IC2
F/E
MECHA
E-V
OL
PRE
OUT
SP-OUT
DIMMER
TEL-MUTE
AC
C
ANT
-CONT
P-CON
BA
CK
UP
DECORDER
RDS
IC14
IC8
Q14
Q15
Q31
Q26-29
Q1,2
Q3
Q51
Q9
Q30
IC15
IC2
IC1
IC3
EX.AMP
CONTR
OL
AV
R
DC/DC
BO
X
P
ANEL
u-COM
RESET SW
RESET
IC
VFD
(GRAD
A
TED)
REMO
G/R
SW
SPEANA
IC16
B
UFFER
Q36
NOISE
PRE
OUT
OUTPUT
V
O
LT
A
G
E
SPEANA
A
GC
OP
AMP
CONTR
OL
EX.AMP
NA
VI-MUTE
P
ANEL
5V
4.5VPRE
Q4-6
Q7,8
IC6
DC/DC
REG
KEY
MA
TRIX
BFP
IF+B
SW14V
IC4
IC5
RO
M
REG
3.3V
CH
S-METER
QUA
L
SER
V
O
+B
MUTE
R
M
ST
OP
SW2
LO/EJ
MUTE
L
M
RST
SW3
SW1
MS
D
A
T
A
MS
CLK
A8V
BU
5
V
SW5V
RST
REQ
C
CLK
CH-CON
DA
T
A
H
REQ
H
CD
AM
FM
MUTE
PRE
MUTE
MCREQ
P ANEL
RST
SCREQ
MCCLK
SCD
A TA
MCD
A TA
RESET
SRMSW2
SRMSW3
SRMDET
SRMSW1
RDCK
RDDA
QUA
L
SDA
SCL
AFS
AFS
S-METER
A8V
+B
-B
+B
-B
SCL
SD
A
S-METER
SW5V
DA
T
A
C
BA
CK
UP
P
A
NEL
5V
P
A
NEL
5V
FA
C
FL+B
750mV
4500mV
CHANGER
AM
4.5V
PRE
2250mV
FM
230mV
1200mV
1200mV
251mV
(E
TYPE)
470mV
(K
TYPE)
IFC
OUT
A
UDIO
OUT
SW5V
NOISE
IFCOUT
4500mV
CD
K
TYPE
MODE
4500mV
4500mV
1069mV
1715mV
E
TYPE
3600mV
600mV
1800mV
3600mV
K
TYPE
E
TYPE
3600mV
1372mV
855mV
3600mV
1.8V
PRE
SRMSUB-
SRMSUB+
DRIVER
MUTE
BU
5
V
MO
SW
Q52
B
UFF
FL(GRAD
A
TED)
TYPE
(X13-994)
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KDC-X917/X817/9017
3
MICROCOMPUTER'S TERMINAL DESCRIPTION
qTerminal description
Pin
Function
I/O
Description
Processing Operation
1
AM+B
O
AM power terminal
H: During AM radio operation
2
FM+B
O
FM power terminal
H: During FM radio operation
H: During FM radio operation if with RDS, RBDS
3
AFS
O
Switching terminal for noise detection
L: During AF search, FM seek
H: During receive
4
PLL-DATA
I/O
Data I/O terminal to F/E
5
PLL-CLK
I/O
CLK terminal to F/E
6
Evdd
-
Positive power terminal
7
Evss
-
GND terminal
8
N.C
O
Open (not used)
9
BEEP
O
BEEP output terminal
10
N.C
O
Open (not used)
11
PRE-MUTE L
O
L (during CD): when M MUTE L is L (low)
L during momentary power down
Fixed at H only during 2 zone
12
PRE-MUTE R
O
L (during CD): when M MUTE R is L (low)
L during momentary power down
Fixed at H only during 2 zone
13
IC2-SDA
I/O
IC2, IC5, CD mechanism, DATA line
14
IC2-SCL
O
IC2, IC5, CD mechanism, CLK line
15
N.C
O
Open (not used)
16
N.C
O
Open (not used)
17
N.C
O
Open (not used)
18
TEST
-
Test terminal
19
P-MUTE
O
Power IC MUTE terminal
L: During Power-OFF
L: During All-OFF
L: During Tell-mute
20
P-STBY
O
Power IC STBY terminal
Power IC ON: H. Power IC OFF: L. During All-OFF: H
21
MUTE
O
MUTE termianl
ON: Open
OFF: L
22
N.C
O
Open (not used)
23
N.C
O
Open (not used)
24
ACC-DET
I
ACC detection terminal
L: ACC
H: No ACC
25
DIMMER
I
Small detection terminal
ON: L
OFF: H
26
SW5V
O
5 volt power terminal
ON: L
OFF: H
27
EXT-AMP-CO
O
External AMP control terminal (200ms)
L 40ms: Bus boost OFF
L 70ms: Bus boost LOW
L 100ms: Bus boost HI
28
P-CON
O
Power control terminal
Power ON: H
Power OFF: L
29
ANT-CON
O
Antenna control terminal
TUNER, TI ON: H Open if no ANT-CON
30
P-ON
O
SW14V control terminal
Power ON: H
Power OFF: L
31
RESET
I
Reset IN terminal
H: Normally
H: During reset
32
XT1
I
Subclock terminal
Time count
Operation during Power-OFF
33
XT2
-
Subclock terminal
34
REGC
-
Capacitor output terminal for regulator inside microprocessor
35
X2
-
Main clock terminal
Oscillates: During Power-ON
Oscillates stop: During Power-OFF, during
momentary power down
36
X1
I
Main clock terminal
37
Vss
-
GND terminal
38
Vdd
-
+B terminal
39
CLKOUT
O
Internal system clock output
40
N.C
O
Open (not used)
41
N.C
O
Open (not used)
42
TYPE0
I
Destination selector port
43
TYPE1
I
Destination selector port
44
TYPE2
I
Destination selector port
45
N.C
O
Open (not used)
46
IC2TYPE0
I
IC2 destination terminal
L: During default
System
µ-com: UPD703033GC051
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KDC-X917/X817/9017
4
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin
Function
I/O
Description
Processing Operation
47
IC2TYPE1
I
IC2 destination terminal
L: During default
48
CH-REQH
O
Request output to changer
49
CH-RST
O
Reset output to changer
Normally L, after system RST reset is "H" for
400ms and then "L"
50
CH-MUTE
I
Mute request from changer
ON: H
OFF: L
51
CH-CON
O
Changer control output
ON: H
OFF: L
52
ILL-ON
O
FL, illumination output
ON: H
OFF: L
53
M-MUTE L
I
Mute request from CD mechanism
ON: L
54
M-MUTE R
I
Mute request from CD mechanism
ON: L
55
BVdd
-
+B terminal
56
BVss
-
GND terminal
57
M-RST
O
Reset output to CD mechanism
Normally H,
L:During reset
Per mechanical control specs.
58
M-STOP
O
Stop request to CD mechanism
Stop: L
H: During CD
59
N.C
O
Open (not used)
60
LO/EJ
I/O
CD mechanism, LODING, EJECT selector
Stop, Brake: Hi-z, LOADING: L, EJECT: H
61
MOSW
O
CD mechanism, MOTOR, SW
LOADING, EJECT, Brake: H
62
N.C
O
Open (not used)
63
CD-SW3
I
CD down SW detection terminal
Chucking: H
64
PAN-RESET
O
Reset output to panel microprocessor
Normally H, L: During reset, momentary power down
65
MC-REQ/PAN
I/O
REQ terminal/panel detection for panel microprocessor L: During panel use
66
N.C
O
Open (not used)
67
N.C
O
Open (not used)
68
N.C
O
Open (not used)
69
N.C
O
Open (not used)
70
AVCONT
O
AD reference voltage control output
Same timing as P ON
H: During operation
71
Avdd
-
+B terminal
72
Avss
-
GND terminal
73
Avref
I
Reference voltage supply terminal for A/D converter
74
PHONE
I
PHONE detection terminal
Tel mute: Min 1 volt,
Navi mute: Max.2.5 volt
75
SRM-SW3
I
Mask mechanism position detection input
See 01mask mechanical position detection chart
76
SRM-SW1
I
Mask mechanism position detection input
See 01mask mechanical position detection chart
77
SRM-SW2
I
Mask mechanism position detection input
See 01mask mechanical position detection chart
78
SRM-DET
I
Mask mechanism detection input
L: Mechanism
H: No mechanism
79
NOISE
I
FM noise detection terminal
80
S-METER
I
S meter detection terminal
81
R-DATA
I
RDS DECODER DATA input terminal
Connect to GND: On models without RDS,
RBDS
82
R-QUAL
I
RDS DECODER QUAL input terminal
Connect to GND: On models without RDS,
RBDS
83
IFC-OUT
I
F/E IFC OUT input terminal
L: When station present
84
N.C
I
Open (not used)
Connect to GND
85
N.C
I
Open (not used)
Connect to GND
86
SRM-B
O
SRM mechanical submotor output terminal
87
R-CLK
I
RDS DECODER CLK input terminal
Connect to GHD: On models without RDS,
RBDS
88
CH-REQC
I
Input request from changer
ON: L
89
SC-REQ
I
Communication request from panel microprocessor
90
CD-SW1
I
LOADING SW detection terminal
LOADING start: L
91
CD-SW2
I
12cm disk detection switch terminal
12cm DISC: L
92
SRM+B
O
SRM mechanical submotor output terminal
93
BU-DET
I
Momentary power down detection terminal
L: B.U
H: No B.U (momentary power down)
94
CH-DATAC
I
Data input terminal from changer
95
CH-DATAH
O
Data input terminal to changer
96
CH-CLK
I/O
CLK I/O terminal used with changer
97
SC-DATA
I
Data line from panel microprocessor
98
MC-DATA
I/O
Data line to panel microprocessor
99
MC-CLK
O
CLK terminal to panel microprocessor
100
PAN5V
O
Panel 5 volt control terminal
L: Panel
H: No panel
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KDC-X917/X817/9017
5
ADJUSTMENT
Test Mode
1. How to enter test mode
While holding the FM key and the Preset 6 key, reset the
unit.
2. How to exit from test mode.
While holding down the Preset 6 key, reset the unit.
Note: Does not exit from test mode ACC-OFF, Power-OFF
or Momentary power down
3. Test mode reset status
· Sources are all OFF
· All display segment lit up
· Volume at -10dB (shows 30 on display)
· LOUD is OFF.
· CRSC is OFF regardless of whether switching function is
provided.
· SYSTEM Q is in FLAT
· Blank skip is OFF. (C/R model)
· LEDs are white, no scanning. (VLCD model)
4. Special displays in Tuner
When the following displays appear in tuner mode it shows
a problem with the front end.
· "TNE2P NG" ..... F/E is not aligned and EEPROM is in
reset (no settings) such as when shipped.
· "TNCON NG" .... Cannot communicate with F/E (front
end).
5. K3I switching
Each time the Preset 6 key is pressed in Tuner mode,
switches one at a time through the following sequence:
AUTO
Forced Wide Forced Middle Forced Narrow
AUTO. When reset, displays the following in AUTO.
· AUTO ................ FMA
· Forced Wide ..... FMW
· Forced Middle ... FMM
· Forced Narrow .. FMN
6. CD receiver test mode specifications
· No automatic ejection during reset-start. Does not make a
CD check in reset with a CD loaded.
· Using the Track up key jumps to the following tracks.
No.9
No.15No.10No.11No.12No.13No.14and
back to No. 9
· Using the Track down key moves 1 track downwards from
the track being played.
7. Audio items
· Momentarily pressing the Q key calls up audio adjustment
mode.
· Pressing the key on the remote control calls up audio
alignment mode.
· Continuous forward is disabled on the remote control.
· Bass/Middle/Treble are settable in 3 steps of MIN/
CENTER/MAX with the Track up/down keys.
· Balance is settable in 3 steps of Left MAX/CENTER/Right
MAX with the Track up/down keys.
· Fader is settable in 3 steps of Rear MAX/CENTER/Front
MAX with the Track up/down keys.
· HPF is settable in 2 steps of THRU/220Hz with the Track
up/down keys.
· LPF is settable in 2 steps of THRU/120Hz with the Track
up/down keys.
· Bass f/Bass Q/Bass EXT/Middle f/Middle Q/Treble f do
not appear in the audio alignment.
8. Menu items
· Momentarily pressing the CLK key calls up the Menu mode.
· The DNPP/SBF keys on the remote control calls up Menu
mode.
· Continuous forward is disabled on the remote control.
· Calendar adjust, calendar display switching and calendar
memo are eliminated from forward (FL model)
· In color alignment mode, Preset 1 is red, 2 is blue, 3 is
green and 4 is white. (VLCD model).
· Contrast is set in 3 steps of 0, 5, 10 and the reset value is
5. (VLCD/LCD models)
· Brightness adjustment is set in 3 steps of 0, 5, 10 and the
reset value is 10. (Normal FL model)
9. Backup current measurement
The MUTE terminal turns off 2 seconds (not 15 seconds)
after being reset in ACC off (backup on). (The panel, CD
and tape mechanisms are disabled during this time.)
10. Special displays during All-Off with all lamps on
The following displays appear when the preset keys are
pressed with all display segment lit up.
PRESET1
Version display (8 digits; Mo. Dy. Hr. Mn.)
(Display) SYS XXXXXXXX system microprocessor
PAN XXXXXXXX panel microprocessor
PRESET2
Serial No. display (8 digits) Note: CD/RK type eXcelon model
(Display) SNo XXXXXXXX
PRESET3
Press once: Power-on time display (Does not count during All-Off)
Press long: Clears the time display during power-on.
(Display) PonTim XXXXX (C/R) MAX 65535(time)
PRESET4
Press once: TAPE/CD/MD operating time display.
Press long: Clears TAPE/CD/MD operating time.
(Display) CDTime XXXXX (CD/R)
TapTim XXXXX (C/R) MAX 65535(time)
PRESET5
Press once: TAPE/CD/MD eject count display.
Press long: Clears TAPE/CD/MD eject count display.
(Display) EjeTim XXXXX
MAX 65535(count)
PRESET6
Press once: PANEL open/shut count display.
Press long: Clears PANEL open/shut count display.
(Display)
PnCnt XXXXX
MAX 655350(count)

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