JVC KD-R440JW Service Manual page 22

ELECTRIC UNIT-1 (GEA10343-xxA)
ANT
TOMIC
J1
QNB0358-001
TU1
32 31 30 29 28 27 26
CHASSIS
* *
* R3
* R10 1 2 3 4 5 6 7
* C2 * L2
C26 C1
* L8
470p 1000P
C3
1 2 3
* L1 * C27
1000P
* 8 7
6 4
L3
C5
0.27u 15p
C7
27P
L4
QQR1872-001
CD.R
S.GND
CD.L
CD_PON
MODELS J/E/EE VERSIONS
VDD5V
E-VOL IC
MAINGND TDA7718B-X
IC161
CMDREQ
R168 0
R794 C794
BSIF_REQ X
R169
DATA 30
3p R167 0
GATE
R178 X
BCK
C175 X
LRCK C169
0
CMDSO C170
0
Pin 24
CMDSI 8.3V
voltage
CMDBUCK
To ELECTRIC UNIT-2
CMDCCE
(GEA10343-xxA)
CDRESET
SRAMSTB
CDMUTE
BTLGND
CD8V
FWD
REV
DRVMUTE
SW3
SW1
SW2
PSW
C977
HC3-4 470p
D705
NAF0029-001X
C998
0.01
C997
0.01
C708
0.1
R786
FOR KD-R446UP & 10K
KD-R646UP ONLY
C101
FAUX-L
R100
1
0
CN701
QGZ1102J1-20 FAUX-R
R110
AUX-L 1 C111
0 1
AUX-R 2 R102 0
C102
FAUX-G
AUX-G 3
R792 1
KEY2
GND 4 0
Q701
KEY2 5
11.5V 6
FOR KD-R64X SERIES ONLY REMOCON
REMOCON 7
RGBCLK
R988 0
NC 8
To SWITCH UNIT
VOL1
VOL1 9
(GEA10344-xxA)
VOL2
VOL2 10
CN601 LCDCL
LCDCL 11
LCDCE
LCDCE 12
LCDDA
LCDDA 13
USBGND 14
D+
D+ 15
D-
D- 16
VFD_INH
HS_EN 17
USB5V 18
KEY0
KEY0 19
KEY1
KEY1 20
VOL1 VFDCE
AUX-R RGBCLK D+ VFDCLK KEY0 USBGND
AUX-G
R785 R984
FL11.5V VOL2 VFDDA D-
AUX-L KEY1
VFD_INH
USB5V
KEY2 REMO
*MODELS
KD-R445U
KD-R441E KD-R540J KD-R547EE KD-R541E
KD-R446U
KD-R442E
KD-R444UI
KD-R443E
KD-R446EU
R764 27K 39K X 22K 27K
STAGE 1 1.5V 0.6V 0V 1.8V 1.5V
R766 22K 8.2K 47K 27K 22K C722
R765 27K
X 39K 27K 27K
STAGE 2 0V 0.6V 1.5V 1.5V 1.5V
10
R767 47K 8.2K 22K 22K 22K
C963
*MODELS
KD-R440J KD-R641E KD-R646U 100/10
KD-R447EE KD-R449EE
KD-R440JW
R764 X 22K 22K 27K 39K
STAGE 1 0V
1.8V 1.8V 1.5V 0.6V
R766 47K 27K 27K 22K 8.2K
R765 39K X 39K 22K 22K
0.6V
STAGE 2 0V 0.6V 1.8V 1.8V
R767 8.2K 47K 8.2K 27K 27K
*MODELS
KD-R647EE
KD-R449E
R764 22K 27K
STAGE 1 1.8V 1.8V
22K
R766 27K
R765
22K 39K
1.8V
STAGE 2 0.6V
R767 27K 8.2K CHASSIS
No.MA538
MAIN PWB: GEB10343A
FM/AM
TUNER
R6 220
R7 220
25 24 23 22 21 20 19 18 17
* IC1
!
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
TU.L
A9V
TUNER CD FRONT AUX
U VERSIONS
KD-R446EU
TDA7720B-X 1 2 3 4 5 6 7
X
0
X
0
0
X
X
11.4V
DETAIL DEBUGGING
USE ONLY
C733
10
C712 X702
QAX0401-001
470p
C702
18p
C701
18p 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
3.3V
X701
C718 0.47 81 CVCC3
C724 QAX0968-001Z SW2(EJECT END)
1.5V
82 X1
15p R721 0V
1M 83 CVSS
C725
R782 1.5V
84 X2
C705 0.1 12p 820 3.3V
85 DVCC3
0V
86 DVSS
27
15k D+ R789 0V
R775
87 D+
R790 27 !
R776 15k D- 0V
88 D-
C732 89 /NMI CPU
FOR KD-R64X SERIES ONLY
90 NO USE
R759 47k
IC701
91 NO USE
R737 910
RGBCLK 0V JCV8019
92 RGB_CLK
0V
R757 100k
VOL2 93 ENC2
R795 10k
3.3V
94 AVCC3
C716 0.1 TELMUTE 1.48V
95 TEL MUTE
TP12 *
96 STAGE 2
KEY2 R733 *
97 STAGE 1
R791 0 4.7K
3.3V
98 KEY2
R732
KEY1 3.3V
KEY1
99
4.7K
3.3V
100 KEY0
R768 4.7K
R724
4.7K
R763 4.7K
R762 4.7K
* 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
* R767
TP11
* R764 L702
NQR0154-006X
* R766 L703
NQR0154-006X
L704
NQR0154-006X
R758 100k
R769
TXM
ACC.DET
C993
10
SDA
C994
0.01
RST TP15
SCL
GND
C995
10
VDD
C996
10
Line Out (Rear)
J321
L&R /
Subwoofer L&R
REAR-L FRONT-L
FRONT-R SUB-L
REAR-R
LINE OUT
C331 C351 C321 C341
C254
100p 100p 100p 100p
R372
100p
C367
R331 R351 R321 R341
R256
0.01
R320 330
22k 22k 22k
22k 22k
C368
4700p R350
R330 330
330
R340
330
4
4 5 6 4 5 6
3
3 2 1 3 2 1
21 20 19 18 17 16 15
8 9 10 11 12 13 14
3.2V
To SUB UNIT (KD-R54x series)
(GEA10354-03A)
LINE MUTE
3.3V
3.3V
IPOD CP CIRCUIT
C753
*
D783
0.1 BAW56-TP-X
1 REGULATOR
R740 10k SCKCP
1
2
R741 10k SDACP
2
3
RSTCP
GEA10354A CD8V
1
C900
1.5M
R907
3.3V SW2 IC931
4.7V
50 L701
3.3V SW1 4.7u XC6213B332NG-X
VDD3.3V
SW1 49
3.3V PSW
PSW(RST SW) 48 4.7V
3.3V AMP_MUTE CTRL VIN
AMP MUTE 47 3.3V
3.3V MUTE GND VOUT
RCA MUTE 46
C731
C703
NC 45 0.1
0.01
(3.3V) HC3-4
D902/D903:MBRX130-TP-X
HC3_4 44 R534 47k SW3.3V
3.3V 3.3V
NC 43
3.3V AMP_STBY SW3.3V
Q951
AMP STBY 42 R744
2SA812A/5-6/-X
3.3V DIMMER_IN
2.6V
DIMMER 41 R952
3.3V R748
TEST5
NC 40 330
0V SN
0V
NC 39 R742 47k
3.3V Q952
TEST4 5.0V
NO USE 38
0V LTC044EUB-X
SN 37 0V
0V
TELMUTE
DVSS 36
C714
3.3V
0.1 TM
DVCC3 35
0V R743 47k
TEST1 34
3.3V OFFSET2
DIMMER_IN
NC 33
R793 0
0V KEY2
BU_DET
NC 32
R773 4.7k
3.3V
REG1-1 31 R718 47k
C984
L981 R985
22
*
22 0.1
C990 0.1
5.2V 14.4V
29 30
LX VCC
0V 9.7V
GND BST
1.1V 4.8V
VC EN
R981 1.0V 1.6V
FREQ_SEL FB SYNC
91K
USBPON
IC981
BD9673EFJ-X
R747 24k
EPROM
3.2V 0V
R746 47k
SDA GND
R705 2.2k
3.2V 0V
SCL A2
0V 0V
WPIN A1
3.2V 0V
2 1 VDD A0
DC-DC USB5V
C723
0.047 (WITHOUT OE/ WITH
OE &
(WITH OE & REMOTE) REMOTE)
IC771
REMOTE KD-R440J,R445/6U SERIES
BR24T02FJ-W-X KD-R641E SERIES
3 4 KD-R444UI,R449EE,R540J,R449E
KD-R646U SERIES
C788 KD-R541E SERIES,R547EE
KD-R647EE,KD-R440JW,KD-R446EU
RESET
0.01
R738 2.2K 2.2K
R787 27K 22k
R777
0 X
D704
(No.MA538<Rev.003>)4/19
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.
KD-R440J,KD-R445/6U SERIES,KD-R444UI
KD-R646U SERIES KD-R441/2/3E SERIES
SUB-R KD-R449EE,KD-R540J,KD-R541E SERIES
MODELS KD-R647EE KD-R447EE
KD-R547EE,KD-R641E SERIES,KD-R440JW
TUNER J VERSION OTHERS
KD-R446EU,KD-R449E
LINEOUT 1 pair 2 pairs
NO LINEOUT C2 7pF 7pF
C253
J321 QNN0874-001 QNN0868-001 X C6 6pF 6pF
0
100p R335 X X C27 2pF 2pF
R323,R333 0 0 X
L1 0.47uH 0.47uH
R320,R321,R322 0 0 X L2 1.8uH 1.8uH
R255
R330,R331,R332 0 0 X L8 4.7uH 4.7uH
22k R253 330
0
R357,R358 0 X R1,R2 680k 680k
R254 330 0
D321 0 X R3 X X
0 0 R10 X X
Q321 X
C320,C330 0 0 X R9
X 0 ohm
C321,C331 0 0 C28 10pF X
X
R340,R341,R342 X 0 X L10 NQL103J-10NX X
5 6
R350,R351,R352 X 0 X L981 QQL92AK-220Z QQL92AK-220Z
X
R347,R349 0 X
TUNER E,EE & UP VERSION
D341 X 0 X
2 1
IC1 TEF6614TV1S3-X
X
Q341 0 X
C340,C350 X 0 X
POWER CORD MODELS
C341,C351 X 0 X
QAM1326-001 KD-R440J,KD-R540J,KD-R440JW
QAM1328-001 KD-R445/6U SERIES,KD-R444UI,KD-R446EU
* MODELS KD-R54X & KD-R64X
OTHERS
SERIES
QAM1344-001 KD-R441/2/3E SERIES,KD-R447EE
IC80 MFI337S3959-X X
C80 0.1u X KD-R449EE,KD-R541E SERIES,KD-R547EE
R751 22K X KD-R647EE,KD-R449E
C166 0.1 X
iPOD QAM1330-001 KD-R646U SERIES
CN80 QGG2521M1-03 X
QAM1345-001 KD-R641E SERIES
CN81 QGG2504M5-02 X
C753 0.1u X
PWB GEB10354A X
POWER AMP.
R307 0
R306
R308 2.2K C305-C308:NCB21CK-224X-A
BEEP
C305
0.22 FR-
RROUT R362 0
R366
C306 FR+
R361 0 0.22
FROUT 100p
C312
R365
0.022
RR-
C308
100p 0.22
R364 0
FLOUT
RR+ QEKJ1EM-106Z-S
R368
10/25
C309
C307
R363 0 100p 0.22
RLOUT
R367
100p
FOR KD-R646UP ONLY
TP4
C313
RL+ R310 1
5.1 NCB21AK-105X-A
RL- (1/8W)
C311
R302 47k
FL+ 0.022
FL-
R303
R783 100K
Q782
R780 47k
LTA024EUB-X
D782
POWER IC MUTE
0V RKS801KF-X R781 330
L901
0V
QQR1884-001
Q781
LTC024EUB-X NOT USED FOR KD-R441/2/3E SERIES & KD-R447EE
REMOTE OUT
! IC901 LV5680NPVC
* R777
1K
D941
MBRX130-TP-X
2 3 4 5 6 7 8 9 10 11 12 13 14 15
TELMUTE
ANT
R905 ACC IN REMOTE
10K
U VERSION &
ACC
KD-R446EU
R909 (1/8W)
VDD5V
27k
D903
D902 ANT
ACC5V
ILMI
*
3.3V
SW5V
0V
R894
0
10k
0V
Q881
LTC014EUB-X
10k
22k
R973
20k
D970
RKZ6.8B2KG-X 22k
R971 R976
10k 68k
0V 2.9V 47k
D971 (1/10W)
RKZ6.8B2KG-X
0.6V 0V
R972 0V
0V R975
47k
10k 47k
(1/10W)
22k
22k
BU DET SURGE DET
R474
0
(WITHOUT OE &
REMOTE)
KD-R441/2/3E SERIES
KD-R447EE ! Parts are safety assurance parts.
When replacing those parts make
0 ohm
22k
sure to use the specified one.
X
created date:2013-02-18
U VERSION
KD-R446EU
4pF
4pF
X
1.0uH
3.3uH
X
470k
100
0 ohm
0 ohm
X
X
QQLA1AM-220
OTHERS & KD-R446EU
TEF6614TV1S4-X
IC301
!
TB2931HQ
0V
TAB
0V
GND
7.0V
OUTFR-
3.2V
STBY
7.0V
OUTFR+
14.4V
VCC1/2
7.0V
OUTRR-
0V
GND
7.0V
OUTRR+
6.8V
RIPPLE
6.9V
INRR
6.9V
INFR
0V
PRE-GND
6.9V
INFL
6.9V
INRL
6.9V
AC-GND
6.9V
OUTRL+
0V
GND
7.0V
OUTRL-
14.4V
VCC3/4
7.0V
OUTFL+
3.6V
MUTE
7.0V
OUTFL-
0V
GND
3.3V
OFFSET
OE
BACKUP
ILL
*
LTC014EUB-X
LTC024EUB-X
LTC044EUB-X
LTA024EUB-X