Kenwood KDC-X959 Service Manual page 14

A B
Q Q
3 7 6 3 1 5 1 5 0
J1
9 10 11 12 13
8 7 6 5
1
9 10 11 12 13 14 15 16
BU
8 7 6 5 4 3 2 1
11
D111
9
2
*
DC CORD
I
KDC-X959
+5V
WHT GRN
47k
FL+ 8 9 RL+
WHT/BLK GRN/BLK
FL- 7 10 RL-
2.2k
GRY/BLK VIOL/BLK
FR- 6 11 RR-
Q14
GRY VIOL
FR+ 5 12 RR+
P CON
EXT.
BLU/WHT PNK/BLK
ANT CON 4 13 CONT
EXT. AMP
CON. SW
BLU/WHT BRN
TEL MUTE
3 14
3 RED ORG/WHT
2 15
BLK YEL
1 16
BU DETECTION
SW
R41 R42
D16
12K 22K
Q30
2 4 6 8
A
1 3 T E 5 7
L 1 3 9 4 2 2 9 6 5 1 3
P.CON
2 4 6 8
B
*
1 3 5 7
L
D475
4 BU
R205
2.2K
DC CORD
Q201
Z838W/Z738/KDC-Z939
Q201
BU 5V
DISCHARGE
SW
*
5
IC23
MECHA.
AVR
Q4
A. +8V AVR
BU
SW 14V
Q7
Q6
Q8
22K
22K
Q5
6
w w w
CAUTION:For continued safety, replace safety critical components only with
manufacturer's recommended parts (refer to, parts list).
components. To reduce the risk 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.
7
DC voltages are as measured with a high impedance voltmeter. Values may vary
slightly due to variations between individual instruments or/and units.
C D
ELECTRIC UNIT (X25-927X-XX)
14 15 16 FUSE
4 3 2 1
IC4 POWER IC
D1
Q28
0V
24
HSD
C2 0.01 P-CON. PGND4
4.1V 22
PROTECTION OUT4-
MUTE
C1 3900u16 INHIBIT SW 14.4V 20
OUT4+
BU VCC2
0V 18
PGND3 OUT3-
1.3V 16
BU OUT3+
ACGND
Q26,29
1.4V 14 IN4
IN3
P-CON SW
Q26
D14
BU 1.4V 12 SGND
*
W111
IN2
IN1
C114
Q28
33u10 9.0V 10 OUT1+
SVR
Q111 22K
+
OUT1-
0V 8
PGND1
OUT2+
14.4V 6
Q27 22K
R39 BU VCC1
5.0V 4 OUT2-
22K
STBY
R40 TAB
P-ANT 0V 2
1K 1/2W
PGND2
SW
Q27 Q29
Q112
P-CON. 10K
10K
PROTECTION SW
Q32 Q33
47K MUTE DRIVER MUTE DRIVER
47K
for Rch for Lch
20
2
+5V
Q33 Q32
*
J
Q15
R15
12
47K
10K
D19 D20
47K
C22
1u50
+
Q10,11
DIMMER
OEL/ILLUMINATION
DETECTION
AVR
SW
Q12,13
5.0V OEL/ILLUMINATION
34 AVR SW
+5V +5V
IC7
ACC DETECTION
SW
MUTE
R46
LOGIC
47K D17
Q31
5.0V
30
Q475,476
* VOLTAGE CONVERTER
W14
+5V
Q474
5.0V Q3 5.0V
SW5V
Q473
Q476
SW 5V
R4
BU 5V
Q475
29
AVR
2.2K
C863 25
0.01
BU BU
4.7V
+4.7V
L471 *
100uH
N
CD4.7V/MD5V
2.2V
0V
Q472
47K
47K
14V
0V Q472
MECHA.
AVR SW
SW14V
BU
Q4 8.2V
A8V
13.6V IC3 1.25V CD SERVO AVR
C7
1 3 R6 1
VIN VREF
15K Q1
GND 7.5V
2
Q5,6 AVR
IC
A. +8V
47K
AVR
0V
SW
47K
SW14V
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2
CN8
to CD MECHA
x a o
Indicates safety critical
. i
E F
C129 1u50
12
+
C115 1u50
SW5V
+
TH1
470
D32
R202
10K
D30 22
25
R200 220
23 7.7V C120
FR-
0.22u50
21 7.7V
FR+
FR
19 7.7V
RR-
C119
17 7.7V
RR+
0.22u50
15 1.4V
RR
C118
13 0V
0.22u50
11 1.4V
FL
9 7.7V
FL+
C117
7.7V
7
0.22u50
FL-
5 7.7V
RL
RL+
3 7.7V
RL-
1 0V
C116 1u50
+
R115 33K
18
D476 L501
16.2V R901
+16V
4.7
600
16V
0V
0V
IC24
C904
3.2V
0.1
DC/DC
CONVERTER
C902
0.1
Q10
BU
L2
Q13 Q11
10uH
R10
5.6K
Q12
22K
22K
W121
Q Q
3 7
Q16
DC/DC CONVERTER Q23
L3 22uH
9.7V
(BOTTOM VIEW)
IC6
Q17
10.6V 8 1 10.6V
V+ BST
7 2
OSC CAP+
10V Q21
0V
-10.0V
6 3 0V
R21 0.1V
LV GND
Q22
5 4
1K
VOUT CAP-
0V
-10V
Q16,17 Q21-23
A. +10V PRE-AMP
AVR +9V AVR
R25
A 9V
47
Q18-20
-5.5V
Q20 PRE-AMP
Q18
-9V AVR
Q19 *
-9.3V
C
BU
A8V
SW5V
L352
4.7uH
S5V
A8V
+5V
(X25-927X-XX)
C900 R903
0.01 470
UNIT
MODEL NAME B C N E I
No.
R902 100K
YES YES YES
KDC-X959 K 0-11
YES YES NO
KDC-Z939 M 0-21
Z838W E 2-71 YES NO NO
1
Z738 E 2-72 NO NO NO
u 1 6 3
y
DTA123JK UN5213
DTC114YUA UN5214
DTC143TUA UN5216
B
UN5111 2SA1576A
E
UN5114
G H
2 4
8 9
OEL+B
SW5V
A+9V
A 9V
A8V
BU
SW5V
+5V
5V
X4
0V
*
C852 32.768kHz
0.01
R417
22K
5V
0V
C204
CP17
0.01
1Kx2
51
51 AM+B
52
52 FM+B
3.5V
CP11
100Kx2
5V
0V
53
53 R QUAL
54
54 R DATA
R414 100K
0V 55
IC2TYPE0
R412 100K 0V 56
IC2TYPE1
5V
57
P ON 0V
5.0V 58
+5V BVDD
0V 59
BVSS
R410 100K 0V 60
TYPE0
*
R408 100K
*
R407 100K 0/5.0V 61 *
* TYPE1
IC1
R406 100K
*
R405 100K SYSTEM MI-COM.
0/5.0V 62
* TYPE2
R404 100K
*
R403 100K 0/5.0V 63 5V
TYPE3
* 0V
R402 470
64
AUX SW
65 5V
ILL ON 0V
5V
R401 1K 66
66 MOSW 0V
R400 100
67
67 LO/EJ 5V
CP5 5V 0V
1Kx2 0V 68
68 M STOP
5V
69
6 3 69 1 5 M RST 1 5 0V 0 8 9
70
70 CH CON
5V
71
71 CH RST 0V
72
72 CH REQH
5V
73
AVCONT 0V
5.0V 74
+5V AVDD
0V 75
AVSS
5V
76
R397 4.1V
AVREF 0V 5V
1K
77 1.5V 0V
77 IFC OUT 5V
0.6V
0V
C351 4.2V
5V
1000P 0V 78
5V
S METER 0V
0V
5V
5V
78 0V
0V 79
NOISE
80
NC
CP6
2.2Kx2
0V
0V
5V
CP12 0V
100Kx2
+5V
C46, C93,94 C130, R17, R163,164,
J L O C121 C852 CP14 IC1 IC23 Q306 R16 R382
47 99,100 802 405 173,174
NO NO NO YES 22u16 NO YES NO NO YES NO 100K NO 2.2K 100K
UPD703033GFA14
YES NO NO YES 22u16 YES YES NO NO YES YES 22K YES 2.2K 100K
UPD703033GFA14
YES NO YES NO 22u16 YES YES YES YES UPD703033GFA14 YES YES 22K YES 2.2K 2.2M
YES YES YES NO 10u16 YES NO YES YES UPD703033GFA15 NO YES 22K YES 22K 2.2M
m
c o
2SB1277(Q,R) 2SA1037K
.
2SB1443 2SC4081
C
E
C E
B B
C
I
2
9 8 9 9
IC16
RESET IC
88
SW5V
+5V
34
R421 C355
34
* 5.0V 47K 0.1
CP14
100x4
5.0V
IC16
5V
0V
0V
5V
5V
0V
0V 30
R393
30
MUTE
29 100K
SW5V 29
28 R815 2.2K
ACC DET 28
27
5V BU DET 27
5V
0V 5V
0V 26
0V
EMUTE * 25
25 R392 47K
CD MECHA+B
24
EXT-AMP-CON 24
5V
23
0V PAN5V 23
22 R422 22K
P MUTE 22
5V
21 0V
0V TEST
20
ANT-CON 20
5V
19
0V P-CON 19
18
5V R389
18 0V 1K R390 47K
P-STBY
17
PLL CLK
5V
16
0V PLL DATA
CP10 CP9
470x2 4.7Kx2
5V
15 R127 2.2K
0V DIMMER * 15
14
R382
SVR
5V
*
R384 2.2K
13 0V
REMO
5V
12 R203 4.3K
0V BEEP 12
CP4
470x2
11
PAN RESET 11
5V 10
0V
R375 1M
10 0V
2 4 EVSS 9 8 2 9 9
9 5.0V
5V
EVDD +5V
0V
8
IC2 SCL
7
IC2 SDA
6
MC REQ/FLIP DET CP8
CP7 4.7Kx2
100x2
5V
8
0V
5V 7
0V
CP2 8
5V 470x4
7
0V
5
EJECT KEY R/G 5
4
EJECT KEY G 4
5V
3
DSI GUIDE 3
0V
2
MC CLK
5V
1
MC DATA 0V
CP3
470x2
5V
2
0V
1
5.0V
5V
0V SW5V
IC25 EEP ROM
8
1 VCC
A0
2 5V 7
A1 0V WP
3 6
A2 SCL 8
4 5
GND SDA 7
CP16
100Kx4
0V
R370 100K
R384, R392,408, R402, W7, W15
R406 R407 W14 W111
404 472-474 403 8 -18
NO YES YES YES NO NO YES NO NO
NO YES YES NO NO NO YES NO YES
YES YES NO NO NO YES YES NO YES
YES NO NO NO YES YES NO YES YES
DTA124EUA NJM4565M-TE2
DTC114EUA
5
OUT
DTC123JUA
8
DTC124EUA
4
IN
DTC144EUA
1
GND