Kenwood KDC-4551UB/455UW Service Manual page 32

ELECTRIC UNIT (X34-69xx-xx)
1
DPU1 (X92-)
VREF
OPTICAL PICKUP
R501
33K
1 VF2
0V
2 VCC
3 VT2
4 LD IC501
5 GND
6 VT1
1 1.6V
7 VC
1.6V
BTL
0.1 8 MD 1.6V
1K 3.0V 3.2V 1.6V
9 VR
10 VF1
11 GND
TRACKING
12 TRK-
COIL
13 TRK+
14 FOCUS+
C511 C512
FOCUS
15 FOCUS-
COIL 470P 470P
4
CD PLAYER UNIT (X32-6430-00) (A/2) D502
CN101 CN502
2
VF1
CN102 26 1 VF1
SW3
VF2 1 SW3 25 2 51
VCC
VCC 2 24 3 D3.3V D3.3V
SW2
VT2 3 SW2 23 4 50 3
VF2
LD 4 22 5 VF2
SW1
SL1 SW1 21 6 49
VT2 R576 R575
20 7 VT2
GND 5 3.3K
10K
PSW
REST 19 8 48 2
VT1 6 VT1
VC 7 VC
VT1 R577
MD 8 MD VT1 18 9 VT1 R534
10K 10K
R1 130
VR 9
VREF
B1 VC 17 10 4
VF1 10 MD
0 SL2 MD 16 11 CD MD
MGND
GND 11 15 12
MGND
TRK- 12 TR- 14 13
LOADING-
TRK+ 13 TR+ LO- 13 14 LO- 4
LOADING+
FOCUS+ 14 FO+ LO+ 12 15 LO+
SPINDLE+
3
FOCUS- 15 FO- SP+ 11 16 SP+
SPINDLE-
SP- 10 17 SP-
FEED+
FE+ 9 18 FE+
FEED-
C541
SP+ FE- 8 19 FE-
GND 2200P
SPINDLE
M 7 20
MOTOR SP- LD
C540 R540 0V 1
6 21
DM1 (X92- ) GND VCOI
0.1 220
5 22 3.2V 2
TRACKING- RVDD3
(X32- ) (B/2) TR- 4 23 TR- C542 C543 3
TRACKING+
SLCO
TR+ 3 24 TR+ 0.1 0.01 C544 3300P
SW4 FOCUS- 4
FO- 2 25 FO- RFI
FOCUS+ C545 0.1
REST FO+ 1 26 FO+ 5 1.6V
RFRPI
REST 6
RFEQO
C546 C547 7
DCOFC
1 0.015
1.6V
FE+ C548 C549 8
AGCI
FEED 1.5V
68P 0.1 9
M FE-
MOTOR RFO
0V 10
DM2 (X92- ) RVSS3
R541 1.6V 11
FNI2
LO+
3 0 1.9V 12
LOAD VF1 FNI1
M
MOTOR LO- R543 1.6V 13
FPI2
DM3 (X92- ) 0 1.9V 14
VF2 FPI1
1.9V 15
VT2 TPI
3
1.9V 16
SW1 VT1 TNI
1.6V 17
SW1 VRO
0V 18
AVSS3
0V 19
CD MD MDI 0V
SW2
20
LDO
SW2
SW3
SW3
3.0V
1.9V
Q540
2.4V
VREF
D3.3V
ANT.
J1
IC530 CD 3.3V
1
3.3V 1 4 4.7V
CTRL VIN VDD5V
2 3 3.3V
GND VOUT
0V
∗
IC1
FM/AM
2.2V
CD 1.5V TUNER
IC531
R530
3.3V 1 4 2.2V 10
CTRL VIN
2 3 1.5V
3.1V
GND VOUT
0V
∗ R3
100
∗
C1 C2 C3
∗
IC532 CD 1.5V 1000P L2 1000P
2.2V ∗ L1 L4
C23
1 1 4 2.2V ∗ C27 0.1
CTRL VIN
R504 R508
2 3 1.5V 2
27 C25
GND VOUT
51K 0 0V ∗ 10u25
C7
+
L3 C5
0.27uH 15P
CD8V CD8V
BU1.5V 5
1 1
D3.3V
5 1
VREF
D1.5V
2 2 2
2
2
C718
3.3V
60
PIO7
C724 0.47
L565 R564 100
59 18P 1.5V
PIO6 19
L564
58 R563 100 X701
PIO5 20 12MHz
5
L563 R562 100
57 C725 R782
PIO4 21
0V
56 18P 820
PIO3 2
55 R561 100
PIO2 67
54 R560 100
PIO1 73
53 R559 100 R775 15K
PIO0 69
0V
52 C565 1 87
VSS-2
R776 15K
51 1.5V 0.1
VDD1-2 0V
88
C564 0.1
IC540 50 3.0V R556
1.3V XVDD3
R759
SERVO 49 R557 0 8
X0 47K
R737
470
1.2V 100 0V
92
48
X1
R757 3.3K
X540
0V
47 0V 16.9344MHz
93
XVSS3 3.3V
46
DVSS3L
C716
1.7V R586 0.1 1.5V
45 0 R595
LO CD-L
∗ R767
2K C562
3.3V
R554 ∗ R765 1.0V
10
L561 4.7 L531
44
DVDD3L ∗ R766
L562
43 R555 ∗
R764 0.5V
0V DVDD3R C561
4.7 5
3.3V 10 R768 47K
42 R580 R596 R732
RO CD-R 99
0 2K R763 4.7K
1.7V
1.6V 0V
1.5V 4.7K R769
41 47K 3.2V
DVSS3R
0V
0V
0V
1
C559
0.1
8
1 1
D1.5V 8
uCOM3.3V
L7
R11
A9V-1 A9V
0 4.7uH
C24 R5
9 9 9
100u16 47 C723
77
+
0.047 3.3V USB5V
C22 R8 SCL
IC771 EPROM 5.0V
0.1 47
IC961
1 8 3.3V HI SIDE
A0 0V VDD SW
7 6
2
A1 WPIN R779
3.2V
3 6 270
A2 SCL SCL
4 5 R778
GND 3.2V
SDA SDA 0V DC-DC
0V 270
USB5V
76
1.3V L983 D983
5.6V 5.1V 5.0V
FL+B
3.2V TP21 L985 D982
L981 R493 C984
22uH 15 0.1
0V
∗
IC80 IC981
5.2V
8
iPod CP D981 1 L982
BST
CIRCUIT SW 7 4.7uH
3.2V 4.9V 2
VIN
EN 6
R983 C983 11.5V 3 FREQ
COMP
0V
150K 150P
C15
R981 0.8V 4 5
0.1 FB GND
180K 0V
9 6
0V
A9V-1
12 12 12
5 5
6 6
SW3.3V SW3.3V
uCOM3.3V uCOM3.3V
C712
9
0.1
2 2
C713
0.1
X702
3.3V
81
CVCC3
82
X1
0V
0V
83 3.3V
CVSS
0V
84
X2 3.3V
50 3.2V
85 SW2 (EJECT END)
DVCC3
49 3.2V
0V SW1
86
DVSS 48 0V
PSW (RST SW)
47 0V
AMP MUTE 47
87
D+ 46 3.2V
RCA MUTE 46
45
NO USE
88 44 3.2V
D-
HC1-2
89 43
NMI
∗ NO USE
90 IC701 42 0V
NO USE
AMP STBY 42
91 41 0V
NO USE CPU
DIMMER
92 40
RGB CLK / VFD BLK
IPOD SELECT
39 0V R744
93 PNO FL
ENC2 38 47K
94 NO USE TP14
AVCC3 0V
37 SN R742
NO USE
95 36 0V 47K
TEL MUTE DVSS
35 3.2V
DVCC3
34
96 NO USE
STAGE 2
DC OFFSET DET 33 3.2V
(for ST ONLY)
32 0V
97
PON PANEL
STAGE 1 3.2V
31
98
KEY2 (STBY) REG1-1
0V
99 3.2V
3.2V
CNDET
0V 0V 3.2V
100
PANDAT
GND
C717
0.1
C715
2
0.1
8 8
uCOM3.3V uCOM3.3V
95 7
VDD
R168
A9V A9V-2
0
9
C172
100u10
+
10
10 13 13
IC161
LINE MUTE
3.3V
5.1V
3.3V
3.3V
E-VOLUME R783
3.3V
REAR FRONT Q781 100K
AUX AUX
+14.4V TUNER CD 3.3V
D782
Q782
3.3V 0V
3.3V
D783
0V
C166
Q981
0.1
10
0.7V
3.3V ∗
C160 Q780
10u16
10 FL,FR
+
12
14 14
10 13
5
10
13 13 7
POWER AMP
10 IC301
13
6.4V 6.5V
0V 0V
2
R302
47K
11
C313
1
10 10
+14.4V +14.4V +14.4V
VDD3.3V
15 15
ILLUMI
0V IC901 REGULATOR
R722 12.4V
50 47K
Q881
49 R726 13
SW3.3V
47K
48
3.3V 3.3V
13 0V
Q951
2 SW3.3V
0V
44
R907
R909
TEL
1.5M 27K
MUTE
C912 C905
0V
R894 0.1 0.1
0
C903 C904 C906 7
Q952
47u16 47u16 100u16
+ + +
0V
5.0V
+14.4V
VDD5V
7 7
R718
47K
+11.5V +11.5V
uCOM3.3V uCOM3.3V
7
L701
R970
uCOM3.3V VDD3.3V
4.7uH 47K
RST
C932
3.2V
C714 SW3.3V 330u6.3
0.1 3.3V
+
VDD5V
R746 0V
C931
4.2V
0.5V
47K 0.1 Q970
3.3V
IC931
IC702
0V
RESET
2
31 BU
DET
0V C913
4.7V
C933 330u6.3
2
7
+
0V 0.1
VDD5V
8 8
7
RCA MUTE LINE OUT
∗
∗ A
R333 C330 R330 R332
0 10u50 330 180
+
0V 0V ∗
D341 R349 J321
4.7K 0V 0V
REAR L
0V 0V
R347
4.7K Q341
R353 C350
0 10u50 R350 R352 REAR R
FL
+
330 180
R323 C320 R320 R322
0 10u50 330 180
FRONT L
+
0V 0V
D321 R357
4.7K 0V 0V
R781
330 0V 0V
R358 FRONT R
Q321
POWER 10 4.7K
∗ R343 C340
IC MUTE
0 10u50 R340 R342
FR
+
330 180 ∗ B
3.3V
10
14
R491
0 14 CN901
L901
B.U.
+14.4V F901
10A
(F52-0023-05)
GND
1 16 MEMORY
ACC IN
R901 ILL ILL
10K
2 15 ACC
TEL TEL MUTE
15
3 14 REMOTE/P-CON
R777
OE REMOTE
R304
1K
4 13 ANTENNA
0
FR+ FRONT RIGHT (+)
15 RR+ 5 12 REAR RIGHT (+)
14
FR- FRONT RIGHT (-)
RR- 6 11 REAR RIGHT (-)
11 11
FL- FRONT LEFT (-)
R310 RL- 7 10 REAR LEFT (-)
10 FL+ FRONT LEFT (+)
RL+ 8 9 REAR LEFT (+)
REMOTE OUT
15 D941
IC1 : ∗
IC80 : MFI341S2313-X
IC161 : E-TDA7718N
IC301 : TB2926CHQ
∗ IC501 : LA6565
D851
IC530,931 : XC6213B332NG-X
IC531,532 : XC6213B152NG-X
IC540 : JCV8022
ANT
IC701 : ∗
IC702 : XC6120N282NG-X
∗ D101 ∗ D100 IC771 : R1EX24002ASAAX
IC901 : LV5680P
∗ D111 ∗ D110 IC961 : BD2224G
14 IC981 : MP2562DS-X
CN701
C101 R100
AUX-L 1 AUX-L D100,101,110,111
1 0
2 AUX-R : DZ2J062/M/-X
C102 R102 D102,112,970,971
AUX-G 3 AUX-G
: DZ2J068/M/-X
1 0
4 GND D321,341,780,781,783,
C111 R110
891 : BAW56W
AUX-R
D502 : GS1J-LTP-X
1 0
D540,782,982 : RKS801KF-X
D704 : DZ2J051/M/-X
D851,852,902,941,942,981,
3.3V 3.3V 983 : MBRX130-TP-X
X16-
CN601 D901 : 1N5401-BPC04
5 ACC3.3V
Q701 2/2
PAN3.3V Q321,341 : IMX9
Q540 : 2SA2188/F/-X
+11.5V 6 11.5V
Q701 : RT1P144C-X
D970 A
R973 7 REMOCON Q780,782 : RT1P241C-X
0V
20K 92 8 VFDINH Q781 : RT1N241C-X
Q881 : RT1N141C-X
2 9 VOL1
2.7V Q951 : 2SA812A/5-6/-X
93 10 VOL2
Q971 Q952,981 : RT1N441C-X
D971 13 11 VFDCLK Q970,971 : 2SC1623A/5-6/X
9 12 VFDCE
0V
11 13 SYSDA SIGNAL LINE
GND LINE
14 USBGND
0V B LINE
SURGE
DET
87 15 D+
88 16 D-
L101
USB5V 17 USB5V
L102 ∗ ∗
R903 R902
FL+B 18 FL+B
8
19 PANDAT
20 CNDET
KDC-4551UB/455UW/4651URY/U449/U5049 (1/2)