Kenwood KDC-CPS89, Service Manual

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KDC-CX87/CPS87
2
BLOCK DIAGRAM
SW5V
XOFF
LIM SW
L.P.S.
EJ SW
ARM SW
12.5MHz
X2
SPINDLE/LO-EJ
SLED
LOE SW
TR COIL
FO COIL
BTL
EEPROM
&TEXT DECODER
APC
SA5V
Q1
S8V
SYSTEM u-COM
IC7
IC1
RF AMP&SARVO DSP
16.93MHz
X1
P-ON
Q10
Q15,16
Q20
BU. DET
IC8
7
13
4
5
8
2
IC5
MG SW
8V AVR S8V
COMM SW
S-RAM
24
C
IC10
DAC
DIGITAL FILTER
D.R.I.V.E.
4
L.P.F
IC3
X1
4.19MHz
AUX SW
I/F u-COM
IC2
RST
6
Q7
BU.
BU14V
CH MUTE
CH RST
REQC0
CHCON
DATAH0
DATAC0
REQH0
HCLK0
AUDIO
OUT
BU14V
CH RST2
CH MUTE2
HCLK2
REQC2
DATAC2
REQH2
CHCONO2
DATAH2
6
AUDIO IN
AUX to AUX
CH2
H.U
5
RELAY
K1,3
K2,4
RELAY
DET
to
to
5VREG
IC4
DA5V
S8V
3
3
3
3
S1
IC1
Q9,10
AVR
5V
+5V
S4
HOT
IC9
RST
7V/9V
5V
Q21,22
M5V1
M5V2
SW5V
S3
S2
S1
+5V
SW5V
M
M
&DC MOTOR
DRIVER
ELEVATOR
M
AVR
SA5V
Q9
&D/A CONVERTER
&SCF
AUDIO VREF
IC2
MUTE
0bit
Q6,7
MUTE
Q4,5,8
SD5V
F E
A
D
B
PD
M5V2
AVR
IC11
2
ASSY (X13)
(X32)
(X13)
(X92)
PICKUP
CN101
DRIVER
RESET
Q101,201
ACC
BATT
GND
DETECTION
ACC
(+5V)
AVR
u-COM
IC2
IC1
CN103
Q1,6
Q4,5
VDD
HOLD
P ON PLL
63
31
67
12-17 26 61
29,30,60
74,77
IC1
LCD DRIVER
LCD1
19-22,32,66
19-22,32,66
CN101
CN1
6-43
RL1
CN105
RADIO
To
CN104
ANT IN
Q310
MODE 1,2
CH-CONTROL
Q306,
RIPPLE
FILTER
307
MIX
PILOT
STAGE
RF
IC301
MODULATOR
FM-St.
Q304,305
LEVEL CONTROL
AUDIO MUTE
Q309
ALC
DETECTION
IC302
AMP
DRIVER
ALC
MPX
EMPHASIS
IC4
AVR(+5.6V)
MODE 1,2
Q308
CD-CH
13P
IC101
ISOLATION
AMP.
L.P.F.
2nd.
IC102
+V(AUDIO)
+V(RF STAGE)
SIGNAL
(L/R)
CN102
KEY MATRIX
2,50-56
VDD
IC2
REMOTE
SENSER
3
1