KENWOOD KDC-C715Y Service Manual

Cover page of KENWOOD KDC-C715Y Service Manual

Service Manual for KENWOOD KDC-C715Y, downloadable as a PDF file.

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KDC-C715/Y
When transporting this model, always attach CAUTION
CARD and STEPPED SCREW (for transportation).
CAUTION CARD
: B58-1275-04
STEPPED SCREW : N09-4186-25
© 1999-12 PRINTED IN JAPAN
B51-7553-00 (N) 3444
CD AUTO CHANGER
SERVICE MANUAL
KDC-C715/Y
COMPACT DISC AUTO CHANGER
KDC-C715
NEW ANTI VIBRATION MECHANISM
DISC NAME PRESET
TEXT
10DISC
COMPACT
DIGITAL AUDIO
Dressing Panel
(A21-3536-12)
Bracket (L)
(J19-4710-13)
Bracket (R)
(J19-4711-13)
Blind Plate
(F19-1303-04)
Screw Set
K/E Type:
(N99-1645-15)
M Type:
(N99-1628-15)
Mounting Hardware Assy
(J21-7775-04)
Adhessive Tape
(J69-0506-04)
M Type Only
Cord With Plug
(E30-4138-05)
Holder Assy (Magazine)
(J19-4676-52)
Dressing Panel
(A21-3539-12)
Panel
(A64-1992-01)
The MECHANISM OPERATION DESCRIPTION is the same as model KDC-C710.
Please refer to the service manual of model KDC-C710 (B51-7104-00).
Service jig
Parts No.
For initial position setting
W05-0635-00
background image
KDC-C715/Y
When transporting this model, always attach CAUTION
CARD and STEPPED SCREW (for transportation).
CAUTION CARD
: B58-1275-04
STEPPED SCREW : N09-4186-25
© 1999-12 PRINTED IN JAPAN
B51-7553-00 (N) 3444
CD AUTO CHANGER
SERVICE MANUAL
KDC-C715/Y
COMPACT DISC AUTO CHANGER
KDC-C715
NEW ANTI VIBRATION MECHANISM
DISC NAME PRESET
TEXT
10DISC
COMPACT
DIGITAL AUDIO
Dressing Panel
(A21-3536-12)
Bracket (L)
(J19-4710-13)
Bracket (R)
(J19-4711-13)
Blind Plate
(F19-1303-04)
Screw Set
K/E Type:
(N99-1645-15)
M Type:
(N99-1628-15)
Mounting Hardware Assy
(J21-7775-04)
Adhessive Tape
(J69-0506-04)
M Type Only
Cord With Plug
(E30-4138-05)
Holder Assy (Magazine)
(J19-4676-52)
Dressing Panel
(A21-3539-12)
Panel
(A64-1992-01)
The MECHANISM OPERATION DESCRIPTION is the same as model KDC-C710.
Please refer to the service manual of model KDC-C710 (B51-7104-00).
Service jig
Parts No.
For initial position setting
W05-0635-00
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KDC-C715/Y
2
BLOCK DIAGRAM
M5V1
LIM
SW
L.P
.S
.
S4
COMM
SW
S2
EJ
SW
S3
ARM
SW
12.5MHz
A
VREF0
X2
SPINDLE
PD
PICKUP
ASSY
(X13-973)
(X32-466)
(X13-900)
SLED
LOE
SW
TR
COIL
FO
COIL
E
D
B
AC
M
OTO
R
DRIVER
BTL
&
DC
ELEV
A
T
OR
EEPR
OM
S-24C01B
HO
T
TEXT
DECODER
&
APC
SD5V
Q1
S8V
LA6556
Q9
UPD784214GC-062-8EU
SYSTEM
u-COM
IC7
IC1
RF
AMP
&
SER
V
O
DSP
&
16.93MHz
X1
P
ON
Q10
7V/9V
M5V1
M5V2
RESET
IC9
Q15,16
8V
A
V
R
Q20
Q21,22
B
U
.DET
5V
A
V
R
B
U14V
DA
5
V
MUTE
5VREG
S8V
CH
CON
CH
RST
CH
MUTE
5L
I/F
A
UDIO
OUT
T0
IC8
7
4
5
8
2
5
Q6-8
IC4
IC5
AV
R
S5V
13
IC11
LC3564ST
-70
S-RAM
24
2
S8V
Q12
S1
MG
SW
3
HEAD
UNIT
M
MM
SA5V
UPD63711GC
D/A
CONVER
TER
&
SCF
OBIT
MUTE
Q4,5
F
background image
KDC-C715/Y
3
MICROCOMPUTER'S TERMINAL DESCRIPTION
UPD784214GC (X32-4660-00, IC7)
Pin No
Name
I/O
Processing, Operation
1
TOUT
O
Test output
2
TSTB
O
Text data strobe signal
3
-
O
NC.
4
FOK
I
H: Focusing OK. L:Focusing NG.
5
X OFF
O
H: Servo IC oscillation OFF.
6
RST
O
L: Servo IC reset.
7
AO
O
H: Parameter setting.
L: Address register setting.
8
STB
O
L: Data latch.
9
VDD
Power supply connection.
10
X2
-
Oscillator.
11
X1
I
Oscillator.
12
VSS
I
GND.
13
XT2
-
NC.
14
XT1
GND.
15
RESET
I
L:Reset.
16
BSY
17
MGSW
I
H:Holder IN. L:Holder OUT.
18
EJSW
I
H:Eject.
19
COMMSW
I
H:New. L:Old.
20
PACK
I
Text data pack sync signal.
21
CHCON
I
Changer control.
22
BUDET
I
B-U detection.
23
AVDD
I
A/D converter power supply.
24
AVREF
I
A/D converter reference voltage.
25
HOT
I
High temperature detection.
26
LPS
I
Position detection.
27
LOESW
I
L:Loading completed.
28
LIMSW
I
L:PU limit switch ON.
29
TOFF
I
Tracking off mode.
30
ADJSEL
I
H:Service adjustment OFF. L:Servo adjustment ON.
31
TBANK
I
H:Gain UP. L:Normal.
32
SIM3
33
AVSS
GND.
34
LPSCO
O
A/D converter power supply. H:OFF.
35
AMUTE
O
L:Muting ON.
36
AVREF1
A/D converter power supply.
37
SDI
I
Servo data input.
38
SDO
O
Servo data output.
39
SCK
O
Servo clock output.
40
DATAH
I
Data input from H/U.
background image
KDC-C715/Y
4
Pin No
Name
I/O
Processing, Operation
41
DATAC
O
Data output to H/U.
42
HCLK
I/O
H:Clock input. L:Clock output.
43
REQC
O
Communication request to H/U.
44
CHMUTE
O
L:Muting ON.
45
TSO
O
Text data output.
46
TSI
I
Text data input.
47
TSCK
O
Text clock output.
48Å`55 A0Å`7
O
S-RAM address setting.
56Å`63 D0Å`7
I/O
S-RAM data input/output.
64Å`68 A8Å`12
O
S-RAM address setting.
69Å`71 A13Å`15
O
S-RAM enable control.
72
VSS
GND.
73,74 A16,17
O
S-RAM enable control.
75
RAMOK
O
H:OK.
76
ELVADJ
I
L:Adjustment mode.
77
RD
O
S-RAM read control.
78
WR
O
S-RAM write control.
79
WAIT
I
Wait during S-RAM access.
80
ASTB
O
NC.
81
VDD
Power supply connection.
82
RAMTEST
I
H:S-RAM check mode.
83
REQH
I
Communication request from H/U.
84
SP/LO+
O
Spindle/Loading+ control.
85
SP/LO-
O
Spindle/Loading- control.
86
ELV+
O
Mechanism UP/DOWN control.
87
ELV-
O
Mechamism UP/DOWN control.
88
SIM1
I
L:Text. H:No text.
89
SEARCH
O
H:Play. L:Search.
90,91 TEST1,2
I
L:Normal. H:Test.
92
8V/7V
O
H:7V. L:8V(Servo power supply).
93
SLG
I
H:+3dB. L:0dB(Sled gain).
94
TEST/VPP
I
L:Flash ROM program mode OFF.
95
SRVSEL
I
H:Servo mode.
96
SLNSA
I
L:Sled non-sensible area ON.
97
SDA
I/O
EEPROM data input/output.
98
SCL
O
EEPROM clock output.
99
PON
O
L:Power ON.
100
ARMSW
I
H:Arm switch ON.
MICROCOMPUTER'S TERMINAL DESCRIPTION
background image
KDC-C715/Y
5
ADJUSTMENT
LPS initial position adjustment procedure
Connect the changer to the H/U. While holding the maga-
zine eject button of the changer, press the reset button of
the H/U and, in about 1 second, release the magazine eject
button. Press the CD button of the H/U to enter the E-88
mode. Move the mechanism deck to around the 1st stage
by pressing the DISC- or DISC+ button.
Insert the adjustment tool into the tool hole on the changer
mechanism. Then press the DISC+ button to move the
mechanism deck until the mechanism's slider hits the
adjustment tool. When the motor locks(stops) press the
REPEAT key of the H/U.
When the REPEAT key is pressed, the mechanism moves
automatically to the 1st stage and the initial position ad-
justment completes. (The data is written in the E2PROM
at this time.)
(W05-0635-01)

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