JVC KD-A525J Service Manual page 24

<Main section 1 (Except KD-BTP50J,52U)>
ANT
J1
QNB0190-001
32 31
*
*
R3
R10 1 2
L2
C26 C1
C2 7p
470p L8 1000P
1.8u
L1 C3
4.7u
0.47u C27
1000P
2p
*
L3 C5
0.27u 15p
CD.R
S.GND
MAINGND
CD.L
A9V
PON_CD
VDD5V
MAINGND
CMDREQ
BSIF_REQ
DATA
GATE
BCK
LRCK
To Main section 2
CMDSO
CMDSI
(Except KD-BTP50J,52U)
CMDBUCK
CMDCCE
CDRESET
SRAMSTB
CDMUTE
BTLGND
MAINGND
CD8V
FWD
REV
DRVMUTE
SW3
SW1
SW2
PSW
HC1-2
D100 D101
R100 C101
D110 D111
0 1
C102
R102
0 1
C111
R110
0 1
To LCD & Key section
CN701
QGZ1102J1-20
(A525J,520J,521E,521EU,521EY)
3.3V 3.3V
AUX-L 1
Q701
AUX-R 2 C729 RT1P144C-X
CN601 4700P
AUX-G 3 C730 0V
4700P
D-GND 4 R786
C711
0.1
3.3V 5
10K
10V 6 C708
0.1
REMOCON 7
RGBCL 8
VOL1 9
VOL2 10
LCDCL 11
LCDCE 12
LCDDA 13
USBGND 14
To LCD & Key section D719
D720
D+ 15
(524UI,525U,525UH,525UN,526U, D- 16 R922 0
L101
USB5V 17
R902 R903 NQR0499-001X
526UH,526UN,526UT,528J)
USB5V 18
C722
KEY0 19
10 C726
CN601
KEY1 20
C963
R120 C121
J120 1
NQR0007-002X
QNS0307-001
3 R122 C122
ANT G 1
2 NQR0007-002X
R R130 C131
1
L 1
NQR0007-002X
D123 D132
D120,D121,D130,D131:DZ2J062/M/-X
R526U Series
R528J
* MODELS R525U Series R626U Series R621E Series R527EE
R620J
R524UI
R764 39k ohm 39k ohm 33k ohm 27k ohm NIL
STAGE R766 8.2k ohm 8.2k ohm 15k ohm 22k ohm 47k ohm
SETTING R765 15k ohm
22k ohm 15k ohm 33k ohm 22k ohm
R767 27k ohm 33k ohm 33k ohm 15k ohm 27k ohm
STAGE STAGE1 0.58V 0.58V 1.02V 1.47V 0V
VOLTAGE
STAGE2 1.81V 2.24V 2.24V 1.02V 1.81V
POWER CORD ASSY QAM1330-001 QAM1345-001 QAM1344-001 QAM1329-001
L10
NIL NQL103J-10NX
Tuner R9 0 ohm
C28 NIL
27k ohm 22k ohm
R785
OE REMOTE R777 1k ohm NIL
D704 NIL
DZ2J062/M/-X DZ2J062/M/-X
No.MA479
TOMIC
FM/AM
TUNER
C8
0.1
L12
NQR0251-002X
R6
220
R7
220
L11
NQR0251-002X
SDA
30 29 28 27 26 25 24 23 22 21 20 19 18 17
IC1 SCL
TEF6614TV1S4-X
!
3 4 5 6 7 8 9 10 11 12 13 14 15 16
E.VOLUME
1 2 3
4MHz
8 7
C15
6 4
X1 R168
0
C7 0.1 QAX0952-001Z
27P
TU.R
L4
28 27 26
QQR1872-001
TU.L
TUNER
1 2 3
!
DETAIL DEBUGGING
USE ONLY
FAUX-L
C733 10
D102,D112:DZ2J068/M/-X
FAUX-G
C712 0.1
FAUX-R
D102 D112
D113
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
C702
10p
C701 X702
PON_PANEL 10p
QAX0401-001
3.3V
X701
C718 0.47 81 CVCC3
C724 QAX0957-001Z 1.5V
82 X1
REMOCON
18p R721 0V
1M 83 CVSS
RGBCLK C725
R782 1.5V
VOL1 84 X2
C705 0.1 18p 820 3.3V
85 DVCC3
VOL2
0V
86 DVSS
LCDCL R789 27
R775 15k D+ 0V
87 D+
LCDCE
D- R790 27 0V
R776 15k
88 D-
LCDDA
CPU
C732 89 /NMI
90 NO USE
D+
91 NO USE ! IC701
D-
RGBCLK R737 0V
R759 47k JCV8019
92 RGB_CLK
VOL2 910 0V
R757 3.3k
L102 93 ENC2
3.3V
94 AVCC3
KEY0 C716 0.1
TELMUTE 1.48V
95 TEL MUTE
KEY1
*
TP15 96 STAGE 2
*
97 STAGE 1
R763 4.7k
3.3V
RAUX-R R732 98 KEY2 (STBY)
4.7k
KEY1 2.6V
99 KEY1
KEY0 R724 3.3V
RAUX-G 100 KEY0
R762 4.7k 4.7k
* R765
RAUX-L
* R767
* R764 TP12
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
* R766
A625J
R628J
NIL
47k ohm
TEST3
15k ohm
TEST2
33k ohm
0V
2.24V
NIL
10p
27k ohm VDD
RST GND
1k ohm
* REMARK MODELS J321 1 2 3 4 5 6
Rear-L Front-L Sub-L Rear-R Front-R Sub-R
3 pairs R626U,R621E,A625J,R628J QNN0866-001
2 pairs R526U,R525U,R524UI,R528J,R620J QNN0868-001 Rear-L/Sub-L Front-L - Rear-R/Sub-R Front-R -
- - - Rear-R/Sub-R Rear-L/Sub-L -
1 pair R527EE QNN0864-001
*
1 2 3 4 6 J321
5
LINE OUT
C331 C351 C321 C341
100p 100p 100p 100p
R373
0
R331 R351 R321 R341
C368 R350
R320 330
330 22k 22k 22k 22k
R330 330
4 5 6 4 5 6 R340
330
3 2 1 3 2 1
R353 0
R343 0
25 24 23 22 21 20 19 18 17 16 15
FRONT AUX
REAR AUX
CD
4 5 6 7 8 9 10 11 12 13 14
IPOD CP CIRCUIT
* C80
0.047
IC80
*
MFI341S2313-X
R740 10k
0V 3.3V
R741 10k VSS VCC
SCKCP 3.3V 3.3V
SCL nRST
SDACP 3.3V
SDA NC
* R82
0V 3.3V
MODE0 MODE1
100
3.3V SW2
IC931
50 L701
SW2 (EJECT END) 3.3V SW1
4.7u
SW1 49
4.6V 4.6V
2.5V PSW
PSW(RST SW) 48 CTRL VIN
3.3V AMP_MUTE 0V 3.3V
C703
AMP MUTE 47 0.01 GND VOUT
0V MUTE C731
RCA MUTE 46
0.1
XC6213B332NG-X
NO USE 45
(3.3V) HC1-2 VDD3.3V C931 C932
HC1_2 44
0.1 330/6.3
AMP_STBY SW3.3V 3.3V 3.3V
NO USE 43
Q951
3.3V DIMMER_IN
2SA812A/5-6/-X
AMP STBY 42
3.3V R744 47k 2.6V
DIMMER 41 R952
SN
IPOD SELECT 40 330
3.3V
R742 47k 0V
PNO_FL 39
0V
Q952 4.9V
NO USE 38
0V C714 RT1N441C-X
NO USE 37
0V
0V
DVSS 36 TELMUTE 0.1
3.3V R718 47k
DVCC3 35
0V R743 47k
NO USE 34
3.3V OFFSET2
DC OFFSET DET 33 DIMMER_IN
(FOR st ONLY) 0V PON_PANEL
BU_DET
PON_PANEL 32
3.3V L985
REG1-1 31 R493 C984
R773
NQR0502-001X D982
4.7k RKS801KF-X 0.1
L981 15
22 (1/8W)
5.1V
TEST1
SW BST
3.3V
21 22 23 24 25 26 27 28 29 30 EN VIN
D981 0.8V
DB22306-X COMP FREQ
0.8V
FB GND
R981
USBPON
180K
FREQ_SEL IC981
L703:NQR0502-001X OC MP2562DS-X
C988
R747 24k
Q981
RT1N441C-X
3.3V
0V
R746 SDA GND
3.3V 0V
47k
SCL A2
0V 0V
WPIN A1
DC-DC USB5V & HSS
3.3V 0V
4 3 VDD A0
C723
0.047
1 2 EPROM
RESET
R962
270
IC771
( 1/8W )
R1EX24002ASAA-X
(No.MA479<Rev.002>)4/23
MAIN PWB: GEB10301A
NOTES 1. VOLTAGES ARE DC-MEASURED WITH A DIGITAL VOLT METER WITHOUT INPUT SIGNAL
CONDITION---FM MODE. AM MODE ( )CD MODE.
C254 C253
2. UNLESS OTHERWISE SPECIFIED.
100p 100p
ALL RESISTORS ARE 1/16W 5% METAL GLAZE RESISTOR.
ALL CAPACITORS ARE 50V OR 25V CERAMIC CAPACITOR.
ALL RESISTANCE VALUES ARE IN OHM.
R256 R255
ALL CAPACITANCE VALUES ARE IN uF(P=pF)
22k 22k
ALL E.CAPACITORS ARE SHOWN IN THE FORM OF CAPACITANCE(uF)/RATED VOLTAGE(V)
R254
3. COMPONENTS IN () INDICATE NOT USE.
330
4 5 6
R527EE R52X
* REMARK
IC80 NIL MFI341S213-X
3 2 1
C80 NIL 0.047
iPOD R82 NIL 100 ohm
R253
L161 0 ohm NQL553J-27NJ
330 C166 NIL 0.1
C178 NIL 47 ohm
C316~319 NIL 100p
OTHERS * REMARK KD-R52X KD-R620 SERIES
* REMARK KD-R527EE
R303 NIL
R330 NIL 330 ohm
R304
Line C330 10/50 0 ohm
NIL
Out
R306 NIL
B314 0 ohm NIL
Power IC
Tuner C727 27p NIL R307 0 ohm
C309 22/16
QEKJ1CM-226Z-S QEKJ1CM-476Z-S
TB2926CHQ
IC301
POWER AMP.
* R307
* R306
BEEP
RR-
C301-C304:QTE1C66-474Z
C305-C308:NCB21CK-474X-A RR+
C306
FR-
0.47
FROUT N C302
0.47/16
FR+
C305
0.47
RROUT N C301 * C309
0.47/16
C307
0.47 C303
RLOUT N
0.47/16
C308
FLOUT (1/8W) QERF1CM-106Z-E
0.47 C304
N C313
R310
0.47/16
FL+ 10
NCB21AK-105X-A
FL-
R302
47k
RL+
LINE MUTE RL-
* R303
R783
100K
3.3V R780 47k
Q782
RT1P241C-X D782
3.3V 0V RKS801KF-X R781 330 POWER IC MUTE
0V
L901
D783
BAW56-TP-X
QQR1884-001
Q781
RT1N241C-X
!
REMOTE OUT
REGULATOR !
IC901 LV5680P
D941
MBRX130-TP-X
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
R907
FOR U VERSION ONLY
270K
R909
27k ANT
ILMI
*
R894
0
10k
R973
20k
D970
10V
DZ2J068/M/-X
R971 R976
14.4V
10k
0V 2.9V 68k
D971 (1/10W)
0V
DZ2J068/M/-X
0.6V 0V
0V
R972 0V
0V R975
10k 47k
(1/10W)
0V
0.7V BU DET SURGE DET
0V
L983
NQR0499-001X
NOT USED
IC961
/OC EN
GND
VOUT
VIN
OPEN ! Parts are safety assurance parts.
When replacing those parts make
R961
0
sure to use the specified one.
C962
100/6.3
created date:2011-03-04
R620 SERIES
MFI341S213-X
0.047
100 ohm
NQL553J-27NJ
0.1
68 ohm
100p
0 ohm
NIL
0 ohm
NIL
47/16
TDA7851A !
IC301
*
0V
TAB/NC
3.3V
OFFSET/TAB
0V
GND
7.1V
OUTRR-
3.3V
STBY
7.2V
C312 OUTRR+
14.4V
VCC1/2
7.2V
OUTFR-
0V
GND
7.2V
OUTFR+
7.1V
RIPPLE
7.1V
INFR
7.1V
INRR
0V
PRE-GND
C310 10/16 7.0V
INRL
7.0V
INFL
7.0V
AC-GND
1 7.2V
OUTFL+
0V
GND
7.2V
OUTFL-
C311
14.4V
VCC3/4
7.2V
OUTRL+
3.6V
MUTE
7.2V
OUTRL-
0V
GND
3.3V
CD/OFFSET
0V
TAB/NC
C314
1
R305 TH301
* R777
!
*
SPK BATTERY
RT1N141C-X
10k
22k
RT1N241C-X
22k
47k
RT1N441C-X
47k
10k
RT1P144C-X
47k
22k
RT1P241C-X
22k