JVC KD-A305J Service Manual page 57

Standard schematic diagrams
Old Main section
QNB0190-001
J1 TOMIC
ANT
32 31 30 29 28 27 26 25
TEF6606T/V3-X
C2
7p
C6 2p
L8
C1 L1 1 2 3 4 5 6 7 8
L2 1.8u
4.7u 0.001 0.47u
( )
R3 82 C3 L4
1 3
0.001
L3
0.22u
C5 6 4
*
15p C7
22p
CD8V
BTL_MUTE
TRAV
CD-R
AGND
9V
CD-L
VDD_5V
SW1
SW2
PSW
C702
120p
NPWDOWN
( )
FWD
REV
NRST
IRQ
STAT
MLD
MDATA
MCLK
RFGND
NFLCK_MON
SW5V
L122 NQR0007-002X
1
L120 NQR0007-002X
2
L121 NQR0007-002X
3
R122
GND
4
ACC5V
470
5
100K
10V R740
6
REMOCON
7
RGB_CLK
8
VOL2
9
VOL1
10
LCDCL
11
LCDCE
12
LCDDA
13
KEY0
14
KEY1
15
D715 D717
UDZW6.2B-X UDZW6.2B-X
D716 D718
JVC BUS
UDZW6.2B-X UDZW6.2B-X
CH-R R803
CH-L
6.8K
R804
J801
3.9K
QNZ0095-001
R802 5.0V
3.2V
CHANGER CONTROL Vdd
100K 0V 5.0V
JBUS-SI/SO
AGND 0V 0V
R807 R810
6 5 4 0V 0V
100K 0V 0V 3.9K
8 7
SI/SO R808 0V 0V
3 2 1 R814
0V 0V
100 GND
100
R819
47K
JBUS-SCK C801
IC801
0.047
FOR KD-A305J ONLY
74AHCT126PW-X
STEERING J702
REMOTE
QNS0283-001
3
2
1
FM/AM
TUNER
R6 100 R16 4.7K
R7 100 4.7K
R17
C9 100p
24 23 22 21 20 19 18 17
( )
C8 100p
IC1 ( )
9 10 11 12 13 14 15 16
4MHz
C15
X1
* QAX0928-001Z
0.1
28 27 26 25 24 23 22
E.VOLUME
* *
IC161
BD3700FV-X
TU.R
TU.L
1 2 3 4 5 6 7
TU.R C161 1
TU.L C171 1
QTE1H57-105Z
CD-R
C162 1/50
CD-L
C172 1/50
QTE1H57-105Z
R731 100K
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
AUX-L
LCDDA R736 560 0V
76
LCD/RGB_DATA
LCDCE R737 560 0V
77 LCD_CE
LCDCL R738 560 0V
78 LCD_CLK
AUX-R VOL_SDA
5V
79 EVOL_SDA
AUX-G VOL_CLK
5V
80 EVOL_CLK
R739
RGB_CLK 560
0V
81 RGB_CLK
TUSDA 5V
82 TU_SDA
83 NC
TUSCL 5V
84 TU_CLK
STEERING
0V
85 STEERING_REMOTE
R746
0V
86 PS2
100K CPU
87 NC
R747
REMOCON
5V
88 REMOCON
IC701
10K
5V
89 VDD5
C708 MN101E16YFA
R748 2k 5V
0.1 ( ) 90 POWER
R759
0V
91 VSS
2.2k
MUTE
5V
92 MUTE
R757 2.2k
R727 2.2k 0V
( ) 93 CD_ON
R754 2k
SUB-MUTE
5V
94 SUB-MUTE
R750
2k 5V
( ) 95 ILM
MODE2 R751 2.2k
0V
( ) 96 ANT
4.7K 5V
KEY0 R752
97 KEY0
KEY1 R753 4.7K 5V
98 KEY1
99 NC
5V
100
VREF+
BUS-I/O
R755 4.7k
4.7k
BUSSCK R756
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
/BUS-I/O
ANT
C717
0.1
DA
BUSSI
R704 100K
C722
CL
4.7/50
R703 100K
BUSSO
GND
( ) ( )
R713 R715
NI NI
R811
6.8K
R711
( )
*
* 47K
NI
* R708
100k C718
0.1
* X701
QAX0667-001Z
LINE OUTPUT
&
SUBWOOFER OUTPUT
* J321
D351
NAF0029-001X
LINE OUT
D341
NAF0029-001X
R352 820
R342 820
4 5 6
Q341
IMX9-W
3 2 1
R344
2.2k
* *
R386 22K R388
C388
0.1
C392
IC381
NJM2160BV-X
9.1V
C384
21 20 19 18 17 16 15
3.1V
4.7V
4.7/50
C393 3.1V
3.1V
47/16
4.7V
C383
3.1V
9.1V
4.7/50
8 9 10 11 12 13 14
C387
R385
R389
22K
C165 C175
5V LINE OUT AMP
0.01 0.01
R161 R162
47k 47k
AUX-G AUX-L
D782
MA111-X
EPROM
IC771 L701
S-24CS04AFJ-G-X 4.7u
0V
3.3V
SDA GND
3.3V
SCL A2
0V
C707
WPIN A1
100/16
3.3V
Vdd A0
C771
0.047
NC 50
MODE2
NC 49
NC 48
0V
NC 47
MUTE 5V
3.3V
E2PROM_CLK 46
3.3V
E2PROM_DO 45
5V
R723
3.3V
E2PROM_DI 44
C781 220/10
10K D781
43
NC
NC 42 MA111-X
NPWDOWN
0V
NPWDOWN 41
0V NRST
NRST 40
0V
VSS 39
0V MLD
MLD 38
1.8V C721
VDD18 37
0.1
0V MCLK
MCLK 36
0V STAT
STAT 35
0V MDATA
MDATA 34
R721 1K BUSSCK
0V
BUS-SCK 33
ANT
R720 1K
0V BUSSI
BUS-SI 32
R719 1K
0V BUSSO
BUS-SO 31
0V IRQ
BLKCK/IRQ 30
R718 1K
0V BUSINT
BUS-INT 29
R717 1K
3.3V /BUS-I/O
/BUS-I/O 28
R716 1K
0V BUS-I/O
BUS-I/O 27
26
NC
22 23 24 25
3.3V
L702
4.7u
C719 10K
R774
100/16
47k
RESET
10K
D712
MA111-X
10K
RST 2 1
10K
3 4
MAIN PWB
2-2
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)
R383 3. COMPONENTS IN () INDICATE NOT USE.
47k
R387
47k
C385 4.7/50
SUBL.RL
C386 4.7/50
SUBR.RR
33K
0.0015
0V
Q785
5V
RT1P141C-X
5V
C785
0.8V
0V
100/6.3
7.9V
BEEP
7.9V
0V
0.8V
FR-
8.3V
FR+
C301 0.47
QFV91HJ-474Z
0.0015 RROUT
RR-
33K
RR+
FROUT C302 0.47
C304
QFV91HJ-474Z C303 100p
100p
FOR KD-A305J ONLY
C313
100p
C314
QFV91HJ-474Z
100p
C312 0.47
RL+
C311 0.47
QFV91HJ-474Z
RL-
R305
D785 1K FL+
MA111-X
FL-
R783
R781
47K 10K
0V
13.6V
Q976
Q784
RT1N141C-X
5V RT1P141C-X
0V Q977
R977
0V ISA1530AC1/R/-X
12k
5.5V 5.5V
R782 (1/10W)
4.7k
0V 0V
R976
5.0V
27k
(1/10W)
IC901
REGULATOR
AN34001A
D971
MA22D23-X
R901
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
1k (1/4W)
B901
0
CN901
QNZ0607-001
13.6V 13.3V
Q921
2SB1132/QR/-W
12.9V
0V
4.9V
Q922
RT1N141C-X
0V POWER
ANTENNA
FOR U VERSION ONLY FOR U VERSION ONLY
MODEL(S)
KD-R300J
* REMARKS ITEM(S) KD-A305J
Steering R770 2.2K 0 OHM
Remote
R773 22K 47K
Stage R709
USED USED
Setting
UN2211 R708 NOT USED NOT USED
RT1N141C-X
B105,B106
NOT USED USED
Line-Out
J321
QNN0832-001 QNN0802-001
UN2111
RT1P141C-X
R81,R91 7.5K 7.5K
Tuner
R82,R92 3.9K 3.9K
P.CORD ASS'Y
QAM1142-001 QAM1142-001
Parts are safety assurance parts.
When replacing those parts make
GEB10253A sure to use the specified one.
IC301
POWER AMP. TB2926CHQ
B313
0V
NC
0 0V
GND
7.1V
OUTFR-
5.0V
STBY
7.1V
OUTFR+
C320 14.4V
VCC1/2
0.022 7.1V
OUTRR-
0V
GND
7.1V
OUTRR+
QTE1C57-476Z
8.3V
C317
RIPPLE
47/16 6.8V
INRR
6.8V
INFR
0V
PRE-GND
6.8V
INFL
6.8V
C318 22/16
INRL
4.5V
C321 2.2 AC-GND
NCB21AK-225X-A 7.1V
OUTRL+
0V
GND
7.1V
OUTRL-
C319 14.4V
VCC3/4
0.022
7.0V
OUTFL+
C315 5.1V
MUTE
1
7.1V
OUTFL-
0V
GND
DET OFFSET
*
To SPK BATTERY
KD-R405U/R406U KD-R404UI
0 OHM 0 OHM
47K
47K
NOT USED NOT USED
USED USED
USED USED
QNN0802-001 QNN0802-001
6.8K 6.8K
8.2K 8.2K
QAM1145-001 QAM1145-001