Electric Unit - Kenwood KDC-202U Service Manual

ELECTRIC UNIT-1 (X34-7xxx-xx)
ANT
TOMIC
J1
QNB0358-001
32 31 30 29 28 27
* *
* R3
* R10 1 2 3 4 5 6
* C2
* L2
C26 C1
470p * L8 1000P
* L1 C3
1 2 3
* C27
1000P
8 7
*
6 4
L3 C5
0.27u 15p
* C7
L4
QQR1872-001
CD.R
S.GND
CD.L
PON_CD
VDD5V
MAINGND
CMDREQ
R794 C794
BSIF_REQ
30
DATA 2p
GATE
BCK
LRCK
CMDSO
CMDSI
To ELECTRIC UNIT-2
CMDBUCK
CMDCCE
(X34-7xxx-xx)
CDRESET
SRAMSTB
CDMUTE
BTLGND
CD8V
FWD
REV
DRVMUTE
SW3
SW1
SW2
PSW
HC1-2
D100 D101 C997
RKZ6.2B2KG-X
RKZ6.2B2KG-X
0.01
0 C101
FAUX-L
R100
1
0
C102
RKZ6.2B2KG-X R102 FAUX-G
D110 D111 1
0
C111
R110 FAUX-R
CN701
RKZ6.2B2KG-X 1
QGZ1102J1-20
3.3V 3.3V
AUX-L 1
Q701
AUX-R 2
LTA014BYUB-X
0V
AUX-G 3
PON_PANEL
GND 4
C711
0.1
ACC 3.3V 5 R786
* R785 C708
11.5V 6
0.1 10K
REMOCON
REMOCON 7
RGBCLK
RGBCLK 8
VOL1
To SWITCH UNIT
VOL1 9
VOL2
VOL2 10
VFDCLK
(X16-721x-xx)
VFDCLK 11
VFDCE
VFDCE 12
VFDDA
CN601
SYSDA/RGB_DA 13
USBGND 14
D+
D+ 15
D-
D- 16
USB5V 17
VFD_INH
VFD_INH 18
VFD_PAN_DA
PANDA 19
CNDET
CNDET 20
C963 C722
100/10 10
C991
0.01
CHASSIS2
X34-7282-72 X34-7132-71
* MODELS X34-7150-20 X34-7130-01 X34-7282-73 X34-7280-21
X34-7280-22 X34-7142-71
X34-7310-20 X34-7290-01 X34-7292-73 X34-7290-21
X34-7282-71 X34-7292-71
X34-7282-74 X34-7302-71
R764 39K 39K 8.2K 27K 39K 33K
STAGE 1
R766 8.2K 8.2K 39K 22K 8.2K 15K
R765 27K 27K 39K XX
XX 39K
STAGE 2
R767 47K 22K 8.2K 22K 8.2K 47K
X34-7130-12 X34-7130-11
X34-7280-11 X34-7130-10 X34-7140-10 X34-7140-11
* MODELS X34-7280-10 X34-7150-11
X34-7290-13 X34-7290-10 X34-7290-12 X34-7290-11
X34-7300-10 X34-7300-11
R764 XX XX XX XX XX 22K
STAGE 1
R766 47K 47K 47K 47K 47K 27K
R765 XX 39K 27K 22K 15K 39K
STAGE 2
R767 47K 8.2K 22K 27K 33K 8.2K
* MODELS X34-7150-21 X34-7150-22
X34-7152-71 X34-7152-72 X34-7150-01
X34-7130-21 X34-7130-22
R764 15K 15K 15K 8.2K 47K
STAGE 1
R766 33K 33K 33K 39K XX
R765 XX 39K 27K 22K 27K
STAGE 2
R767 47K 8.2K 22K 27K 22K
X34-7132-71 X34-7130-10
X34-7282-71 X34-7130-12
X34-7282-72 X34-7280-10 X34-7140-10
X34-7282-74 X34-7280-11 X34-7140-11
* MODELS X34-7280-22 X34-7282-73 X34-7130-01 X34-7130-11
X34-7150-20
X34-7142-71 X34-7180-21 X34-7150-01
X34-7150-22 X34-7290-11
X34-7150-21 X34-7150-11 X34-7300-10 X34-7290-01
X34-7152-71 X34-7290-10 X34-7300-11
X34-7152-72 X34-7290-12
X34-7310-20
X34-7292-71 X34-7290-13 X34-7310-22
X34-7292-72 X34-7292-73
X34-7302-71 X34-7290-21
X34-7310-21
POWER CORD QAM1333-001 QAM1335-001 QAM1336-001 QAM1337-001 QAM1399-001
No.WA002
FM/AM
TUNER
C8
0.1
R6 220
R7 SDA
220
SCL
26 25 24 23 22 21 20 19 18 17
*
! IC1
7 8 9 10 11 12 13 14 15 16
E.VOLUME
4MHz
C15
0.1
X1
QAX0952-001Z
TU.R
28 27 26 25 24 23 22 21
TU.L
TUNER CD FRONT AUX
1 2 3 4 5 6 7 8
DETAIL DEBUGGING
USE ONLY
R740
C733 10
R741
C712 0.1
C702 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
10p
X702
C701
10p QAX0401-001
3.3V
X701
C718 0.47 81 CVCC3
C724 QAX0966-001Z 1.5V SW2 (EJECT END)
82 X1
18p R721 0V
1M 83 CVSS PSW(RST SW) 48
C725
R782 1.5V
84 X2 AMP MUTE 47
C705 0.1 15p 820 3.3V
85 DVCC3 RCA MUTE 46
0V
86 DVSS
D+ R789 27 0V
R775 15k
87 D+
R790 27
R776 15k D- 0V
88 D-
C732 89 /NMI CPU AMP STBY 42
90 NO USE
R759 47k
91 NO USE IC701
R737 910 !
RGBCLK 0V
92 RGB_CLK
JCV8019
VOL2 R795 10k 0V
R757 100k
93 ENC2
3.3V
94 AVCC3
C716 0.1 TELMUTE 1.48V
95 TEL MUTE
TP15
TP12 *
96 STAGE 2 note:
*
*PIO(P92) must H during power on reset
R768 47k 97 STAGE 1
R733 0
3.3V
98 NC
CNDET R732 100 2.6V
99 CNDET PON_PANEL 32
R724 3.3V
100 NC
R763 47k
* R765 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
* R767
TP11
* R764
* R766
L703:NQR0502-001X
R758 100k
R747
R762
R769
C993
0.01
GND
C994
0.01
RST
C995
10
VDD
C996
10
Line Out (Rear) L&R / Subwoofer L&R
Line Out (Front) L&R
1 2 3 4 5 6
* J321
LINE OUT
C331 C351 C321 C341
C254 C253
R372 100p 100p 100p 100p
100p 100p
R373
R331 R351 R321 R341
R256 R255
C368 R320
330
22k 22k 22k 22k
22k 22k R253 330
0.01
R350 R254 330
R330 330
330
R340
330
4 5 6
4 5 6 4 5 6
3 2 1
3 2 1 3 2 1
20 19 18 17 16 15
X34-7140-11
X34-7142-71 X34-7130-11
X34-7150-22 X34-7282-73
X34-7282-72 OTHERS
X34-7300-10
X34-7282-74 X34-7292-73
* MODELS X34-7300-11
X34-7290-11
X34-7310-22
3 PAIRS 2 PAIRS 0 PAIR 1 PAIR
J321 QNN0866-001 QNN0868-001 QNN0874-001
xx
xx
R335 xx xx 0
R333 xx 0 0
9 10 11 12 13 14 xx
R323
xx 0 xx 0
LINE
OUT R320 0 0
0 xx
R330 0 0 xx 0
C320 0 0 xx 0
C330 0 0 xx 0
LINE MUTE
R783 100K
3.3V Q782
IPOD CP CIRCUIT LTA024EUB-X
3.3V
0V
D783
* BAW56-TP-X
C80
0.047
Q781
D80
*
LTA024EUB-X
RKZ6.2B2KG-X
* IC80
MFI341S2313-X
REGULATOR ! IC901
10k
0V 3.3V
10k VSS VCC
SCKCP 3.3V 3.3V
SCL nRST
SDACP 3.3V
SDA NC
0V 3.3V
MODE0
100
MODE1
* R82
RSTCP 1 2 3 4 5 6 7 8
1.5M
R907
C900 C915
R909
27k
3.3V SW2
IC931
50 L701
3.3V SW1
4.7u
SW1 49
4.6V 4.6V
2.5V PSW
CTRL VIN
3.3V AMP_MUTE 0V 3.3V
GND VOUT
0V MUTE
R534 47k
C731 C703 XC6213B332NG-X
NC 45
0.1 0.01
(3.3V) HC1-2 VDD3.3V C932
C931
HC1_2 44
0.1 330/6.3
AMP_STBY SW3.3V 3.3V 3.3V
NC 43
3.3V DIMMER_IN Q951
2SA812A/5-6/-X
R744 47k
3.3V
DIMMER 41 2.6V R952
TEST5 SN
NC 40 R742 330
3.3V 47k
PNO_FL 39 0V
TEST4 Q952 4.9V
NO USE 38
0V LTC044EUB-X
SN 37 0V
0V
TELMUTE
DVSS 36
C714
3.3V
0.1 TEST1
DVCC3 35
0V R743 47k
TEST1 34
3.3V OFFSET2
DIMMER_IN
NC 33
0V PON_PANEL
BU_DET
0
3.3V R793
0.1 22
REG1-1 31 C984
R773 R718 47k R422
4.7k * L981
22
C990 0.1
5.2V 14.4V
LX VCC
0V 4.9V
GND BST
1.1V 3.3V
VC EN
R981 1.0V 1.6V
FREQ_SEL FB SYNC
91K
USBPON
IC981
BD9873EFJ-X
24k
EPROM
3.3V 0V
R746
SDA GND
3.3V 0V
47k SCL A2
0V 0V
WPIN A1
3.3V 0V
4 3 VDD A0
DC-DC USB5V
C723
0.047
IC771
BR24T02FJ-W-X
1 2
C788
RESET
0.01
(No.WA002<Rev.001>)4/13
NOTES 1. VOLTAGES ARE DC-MEASURED WITH A DIGITAL VOLT METER WITHOUT INPUT SIGNAL
CONDITION ---FM MODE. AM MODE. ( )CD MODE.
2. UNLESS OTHERWISE SPECIFIED.
ALL RESISTORS ARE 1/16W 5% METAL GLAZE RESISTOR.
ALL CAPACITORS ARE 50V OR 25V CERAMIC CAPACITOR.
ALL RESISTANCE VALUES ARE IN OHM.
ALL CAPACITANCE VALUES ARE IN uF(P=pF)
ALL E.CAPACITORS ARE SHOWN IN THE FORM OF CAPACITANCE(uF)/RATED VOLTAGE(V)
3. COMPONENTS IN () INDICATE NOT USE.
X34-7140-10
X34-7132-71 * MODEL X34-7140-11 X34-7150-22
X34-7130-10 OTHERS
X34-7130-11 X34-7282-71 X34-7300-11 X34-7300-10
X34-7282-72 X34-7310-22
X34-7130-12
X34-7282-73
X34-7280-10 IC161
X34-7282-74 TDA7720-X TDA7720-X TDA7718N-X
X34-7280-11 X34-7280-21
X34-7280-22 L/O
X34-7140-10 X34-7142-71 X34-7150-20 X34-7130-01 R168 xx 0 0
X34-7140-11 X34-7150-22
X34-7150-21 X34-7150-01 2.5/4V
X34-7150-11 X34-7290-21 0 xx xx
X34-7152-71 X34-7290-01 R169
X34-7290-10 X34-7310-20
* MODELS X34-7152-72
X34-7290-11 X34-7292-71 X34-7310-22
X34-7290-12
X34-7292-72
X34-7280-13
X34-7292-73 X34-7140-10 X34-7290-10
X34-7300-10
X34-7302-71 X34-7140-11 X34-7290-11
X34-7300-11 X34-7142-71
X34-7310-21 X34-7290-12
X34-7130-10 X34-7292-72
K VER E2/E/M2 VER M/C VER J VER
* MODELS X34-7130-11 X34-7290-01
X34-7130-12 X34-7300-10
7pF 4pF 7pF X34-7132-71
C2 7pF X34-7300-11
X34-7130-01 X34-7302-71 OTHERS
C6 6pF 6pF 4pF 6pF X34-7152-72 X34-7310-22
X34-7150-22
27pF 27pF 39pF
C7 27pF X34-7150-01
C27 2pF 2pF xx 2pF IC80 MFI341S213-X xx
0.47uH 0.47uH 0.047u
L1 0.47uH 1.0uH C80 xx
L2 1.8uH 1.8uH 3.3uH 1.8uH R82 100 xx
TUNER 4.7uH xx NQL553J-27NJ
L8 4.7uH 4.7uH L161 0
L10 NQL103J-10NX xx xx xx R751 22K xx
iPOD 0.1u
L981 QQL92AK-220Z QQL92AK-220Z QQLA1AM-220 QQL92AK-220Z C166 xx
R1,R2 680k 680k 470k 680k
C916 100p xx
R3 xx xx 100 xx
C917 100p xx
R9 xx 0 ohm 0 ohm 0 ohm
D80 xx RKZ6.2B2KG-X
R10 xx 0 ohm xx
xx
D992 xx RKZ6.2B2KG-X
IC1 TEF6614TV1S4-X TEF6614TV1S3-X TEF6614TV1S4-X TEF6614TV1S4-X
xx
C28 10pF xx xx
X34-7282-71 X34-7152-71
D851 xx MBRX130-TP-X X34-7282-72 X34-7152-72
* MODELS X34-7282-73 X34-7292-73
xx
D852 MBRX130-TP-X X34-7142-71 X34-7302-71 OTHERS
ANT
X34-7130-11 X34-7290-11
R851 xx 4.7K X34-7132-71
X34-7292-71
C908 xx 10u Remote R785 33K 56K
IC301
POWER AMP.
!
TB2926CHQ
R307 0
R306
3.3V
BEEP TAB
0V
C305 OFFSET
0.22/16 FR- 7.1V
RROUT R362 0 OUTFR-
3.3V
R366
STBY
C306
FR+ 7.2V
0.22/16 OUTFR+
FROUT R361 0 C312
14.4V
R365 VCC1/2
RR- 0.022 7.2V
C308 OUTRR-
R364 0.22/16 0V
FLOUT 0
GND
RR+ 7.2V
R368 OUTRR+
C309 22uF/16V 7.1V
C307
RIPPLE
R363 0 0.22/16
RLOUT 7.1V
INRR
R367 7.1V
INFR
0V
PRE-GND
7.0V
INFL
TP4
7.0V
C313 INRL
7.0V
AC-GND
RL+ 1 7.2V
NCB21AK-105X-A OUTRL+
R310 10 0V
GND
RL- (1/8W) 7.2V
R302 OUTRL-
C311 14.4V
47k VCC3/4
FL+ 0.022 7.2V
OUTFL+
3.6V
MUTE
FL- 7.2V
OUTFL-
R303 0V
GND
3.3V
OFFSET
R780 47k
D782
POWER IC MUTE
0V RKS801KF-X R781 330
L901
QQR1882-001
REMOTE OUT
LV5680P
TP3
R777
1K
D941
MBRX130-TP-X
9 10 11 12 13 14 15
ANT
ILMI
*
*
R894
0
10k
LTC014EUB-X
10k
22k
R973
20k LTC024EUB-X
D970
R971 RKZ6.8B2KG-X
R976 22k
10k 68k
0V 2.9V
D971 (1/10W)
47k
0.6V 0V RKZ6.8B2KG-X
LTC044EUB-X
0V R972 0V R975
10k 47k 47k
(1/10W)
10k
LTA014YUB-X
BU DET SURGE DET
47k
22k
LTA024EUB-X
22k
! Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
created date:2011-09-29
To POWER
CONNECTOR