Kenwood KDC-X959 Service Manual page 16

S T
Q Q
3 7 6 3 1 5 1 5 0
(X89-253X-XX)
1
UNIT
MODEL NAME R10 S1
No.
S70-0873-05
KDC-X959 (K) 0-00 NO
(YG)
Z838W (E)
S70-0856-05
2-71 YES
KDC-Z939 (M)
(SR/PG)
Z738 (E)
DAUGHTER UNIT (X89-253X-XX)
CN1 J1
ESD GND 1 16 ESD GND
R9 470
EJECT 2
*
R10 220
EJECT
3 *
ILL(G)
S1
R11 220
EJECT
4
ILL(R/G)
2 X25-
N.C. 5
CN6
SRC 6 15 SRC
1/2
D GND 7 14 D GND
P5V 8 P5V 13 P5V
R1 470
A
SC CON 9 12 SC CON
R2 240
MC REQ 10 11 MC REQ
R3 470
SC REQ 11 10 SC REQ
R4 240
MC CLK 12 9 MC CLK
R5 240
SC DATA 13 8 SC DATA
R6 240
P RST 14 7 P RST
R7 470
AUDIO 15 6 AUDIO
R8 510
RST 16 5 RST
FL GND 17 4 FL GND
FL +B 18 FL+B 3 FL +B
FAC 19 2 FAC
FAC 20 1 FAC
3
T E
L 1 3 9 4 2 2 9 6 5 1 3
4
5
6
w w w
CAUTION:For continued safety, replace safety critical components only with manufacturer's
recommended parts (refer to, parts list). Indicates safety critical components. To reduce the risk
7
of electric shock, leakage-current or resistance measurements shall be carried out (exposed parts
are acceptably insulated from the supply circuit) before the appliance is returned to the customer.
U V
SWITCH UNIT (X16-169X-XX) CN1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Q6
+16V
R1
6.8K
Q6,8
OEL
Q8
+B SW C23
10K
2.2u35
+
10K
C22
J1 IC1 3.3V
3.3V AVR
2.2u35
NC 1
+ D11 8
1
VOUT2
PAN5V 2 2 P5V IN1 7
2
D12 VOUT1
4.4V NC 0V
6
3
GND2
OEL 16V 3 IN2
5
4
+16V GND1
VC
C36
10u10
OEL GND 4
+
RESET
D7
C20 C3
S1 0.1 0.1
RST 5
AUDIO 6
CP32
470x2
PRST 7
SC DATA 8 8
BUFFER
MC CLK 9 9
SC REQ 10
P5V
CP34
MC REQ 11
1Kx4 IC9
5.0V
SC CON 12
7
3.3V
1 8
0V
11 G1 VCC
2 7
10 AIN G2 49
5V
5V
0V
0V 3
6
CP37
BOUT AOUT 10
0V 4
100Kx4 5
GND BIN 67
PAN5V 13 P5V
D GND 14 51
SRC 15 P5V
ESD GND 16
+16V
* *
S2 S3 S4
*
R52
470
3 6 FM
* * *
S5 S6 S7
2 5
+16V +16V
* * *
S8 S9 S10
1 4
*
S20 S13 S14
SA TI AM
* * *
S16 S17 S18
ATT DISP
*
Q4 Q5
2.2K 2.2K
47K 47K Q4,5,9
KEY ILLUMI SW
IC1 : SI-3033LSA-TL Q4,5,9 : DTC123JUA
(X16-169X-XX)
IC2 : TC74HS4050AFT Q6 : CPH3105
IC3 : RS-171 Q8 : DTC114EUA or
SIGNAL LINE
MODEL NAME
IC4 : BA3830F UN5111
GND LINE
IC5 : M25P20
KDC-X959
IC6 : MX23L3213TI109 D2,3 : FTZ6.8E +B B LINE
KDC-Z939
IC7 : IS61LV641615TI D6 : MA8068-M
Z838W
IC8 : 703107AGJ121 D7 : DA204U
Z738
IC9 : TC7WT126FU x D11 : 1SR154-400 a o
IC10 : TC7SH08F D12 : DAN202K
. i
W X
to DISPLAY UNIT
+3.3V
+3.3V
BPF
IC4
R15
R67 R13
15K
33K 270K 1.3V 1
R02
R14
+3.3V 1.3V 2
R01
FLUSH REMOTE 270K
3
ROM SENSOR IC
IC5 LNNF
IC3
2.5V 4
8
1
VCC LNIN
56 S
5
7
2 RENF
HOLD
69 Q
2.5V 6
6
3 REIN
C 68
W 5V 7
5
4 RSTC
D 70 0V
C8
VSS 2.5V 8
BISC
**
10 0V
A 9
GND
5.0V
IC2 BUFFER
P5V
3.3V
3.3V 1 16
VCC 0V NC16
2 15
66 AOUT 5V FOUT 53
0V +3.3V
3 14
AIN FIN 11
3.3V
13
0V NC13
12
3.3V EOUT 59
4
65 BOUT 0V
5V
5 11
9 BIN 0V EIN 7
6
3.3V
COUT
5V
0V 7 10 0V
0V
CIN DOUT 85
8 9
GND DIN
P5V
R57 680
3.3V
0V
D3
C26
0.1
37
PAN3,3VDD
38
KR1
VSS
39
CP33
NC
S11 40
KS4 KS4
41
KS3 KS3
42
Q Q KS2 KS2
43
3 7
KS1 KS1
44
470x4 NC
45
C25
NC
SRC 0.1 0V 46
NMI
3.3V 47
KR2
+3.3V PAN3,3VDD
R56 680
0V 48
VSS
CP29
CP17
100Kx2
470x4
* 49
49 CE SD
S12
50
NC
51
51 SCREQ
52
53 NC
53
MCREQ
54
NC
55
EQ
56 NC
56
CP35
KR3 FCS
10Kx2
3.3V 57
MODE1
*
0V 58
S15
MODE0
R64 1K
59
C10
59 PARST
1 0V
60
CKSEL
3.3V
61
+3.3V CVDD
62
X2
X1
5.000MHz
63
KR4
X1
C24
0.1 0V 64
CVSS
*
65
S19 65 MCCLK
66
66 MCDATA
67
67 SCDATA
CP28
R60
470x4
22K *
CP20
470x4 68
68 FCLK
69
69 FDATAIN
70
KR5
Q9 70 FDATAOUT
2.2K
71
+3.3V AVDD
47K
C34 72
AVSS
0.1
0V
UNIT S2,3,5-10,
A CP20 Q5 R51-53 R73
No. 12,13,15-19
K 0-00 YES YES NO NO NO S70-0873-05
M
2-71 YES YES YES YES NO S70-0856-05
E
E 2-72 NO NO YES YES YES S70-0856-05
u 1 6 3
y
DC voltages are as measured with a high impedance voltmeter. Values may vary slightly
due to variations between individual instruments or/and units.
Y Z
2 4
8 9
+3.3V
C21
3.3V
0.1
0V
CP4
47Kx2
18
RST 84
IC6
17
F01 F01
16
F02 F02
15
F03 F03
3.3V 3.3V
14
F04 F04 0V 0V
13
F05 F05
3.3V
12
F06 F06 0V
CP3
47Kx4
11
RELV
10 ROM
VCC
+3.3V
C27
CP41
0.1
220x4
CP16
10Kx4 CP19
D2
220x4
CP7
R59
10K D6 22Kx4
CP18
1Kx4
0V
3.3V
0V
3.3V
3.3V
3.3V
0V 0V
3.3V
6 3 1 5 1 5 0 8 9
0V
3.3V
0V
IC8
PANEL MI-COM
3.3V
0V
3.3V
0V
3.3V
0V
3.3V 3.3V
0V 3.3V 0V
0V
3.3V
3.3V 0V
C32
0.1
CP38
22Kx4
m
C33
0.1
+3.3V
c o
.
KDC-X959/Z939,Z738,Z838W
AA
2
9 8 9 9
+3.3V
C4
0.1
IC7
3.3V
3.3V 3.3V
0V
0V
3.3V 3.3V 3.3V 3.3V
3.3V
0V
0V 0V 0V 0V
0V
SRAM
C5
0.1
+3.3V
+3.3V
C28
0.1
CP42 CP43
CP44
220x4 220x4
220x4
CP6 CP21
CP22
220x4 220x4
220x4
CP5 CP12 CP40
22Kx4 22Kx4 22Kx4
0V 3.3V CP9
22Kx4
144
CP23
D15
143 470x4
NC
142
A0 A0
141
3.3V 3.3V
A1 A1
0V 0V
140
A2 A2
139
A3 A3
138
A4 A4
137
2 4 9 8 A5 2 9 9 A5
3.3V
136
0V A6 A6
CP8
0V CP24
22Kx4
470x4 C29
0.1
135
VSS
134
PAN3,3VDD +3.3V
3.3V
CP10 CP25
22Kx4 470x4
133
A7 A7
132
A8 A8
131
A9 A9
130
A10 A10
129
A11/RS A11
128
A12 A12
127
A13 A13
3.3V
126
0V A14 A14
CP11
CP26
22Kx4
470x4 C30
0V 0.1
125
VSS
124 3.3V
+3.3V
PAN3,3VDD
CP30 CP39
22Kx2 470x2
123
A15 A15
122
A16 A16
121
A17
120 CP27
A18
470x4
119
A19 A19
3.3V
118
0V A20 A20
117
NC A18
116 CP13
NC A17
22Kx4
115
NC
114
NC C31
0.1
113 0V
VSS
112 3.3V
PAN3,3VDD +3.3V
111
GREEN GR
3.3V
110
0V RED RD
109 R69 470
LBE 109
3.3V
CP14
0V
AND
IC10
CP15
3
22Kx4 4 GND
22Kx4
OUT 2
5 IN2 96
+3.3V VCC 1
IN1 97
+3.3V