JVC KW-R900B, Service Manual

Page: 23 / 56

X401: NAX1168-001X
NQR0286-007X
K452,K453:
NQR0286-007X
R601, R602, R603:
0V 0V 3.
2V
3.
2V
3.
2V
3.
2V
3.
2V
R2
R1 =
RT1N441C-X
R2 = 47k
R1 = 47k
L409,L410:
NQR0682-001X
R406:
NQR0022-005X
R407,K445:
NQR0286-007X
NQR0286-007X
K447,K448,K454:
K442,K443,K444,
3.2V
3.2V
3.2V
3.2V
3.2V
3.2V
3.2V
0V
0V
1.6V
3.2V
CONDITION -- REAR USB MODE
3.1V
0V
0V
0V 1.8V
3.2V 3.2V
3.
2V
3.
2V
3.
2V
0V
0V 0V 0V 0V
3.2V
3.2V
1.6V
1.6V
0V
0V
1.6V
1.6V
1.6V
0V
3.2V
3.2V
3.2V 2.5V
2.6V
2.6V
5.2V
0V
0V
0V
0V
0V
0.2V
0.2V
0.2V
0V
0.1V
0.2V
0V
0.2V
0V
2.6V
0.7V
0.8V
0.9V
2.4V
0.6V
0V
2.6V
0.9V
2.0V
0V
0.9V
0V
0V
3.2V
3.0V
0V
0V
0.2V
0.2V
0.3V
0.2V
0.2V
0.2V
0.1V
0.2V
3.0V
3.2V
3.2V
0V
3.2V
3.2V
3.3V
3.2V
3.2V
0V
3.2V
0.1V
0.2V
0.2V
0.2V
0.3V
0.2V
0.2V
0.2V
0V
0.2V
0V
0.2V
0.2V
0.2V
0.1V
0.2V
0.2V
0.1V
0.2V
0.2V
0.2V
0V
2.6V
2.0V
0.9V
2.6V
0.9V
2.4V
0.6V
0.6V
0.9V
2.4V
0.9V
2.6V
2.0V
2.8V
2.8V
2.
8V
2.
8V
2.8V
2.8V
2.
8V
2.
8V
0V
3.2V 3.0V
0.9V
3.
0V
0.
9V
0V
0V
0V
0.7V
0.8V
0V
2.6V
0.7V
0.8V
3.3V
1.1V
1.6V
0.
9V
0.
9V
3.
0V
1.
6V
0.2V
0.3V
0.2V
0.2V
0.2V
0.
1V
0.
2V
0.
2V
0.
2V
3.
0V
3.
3V
3.1V
1.6V
1.6V
1.6V
0V
0V
3.0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V 0V 0V 0V 0V
1.8V
1.8V
1.
8V
1.
8V
1.8V
1.8V
1.8V
1.
8V
1.
8V
0V 3.
2V
3.
2V
3.
2V
3.
2V
3.
2V
3.
2V
3.
2V
3.
2V
3.2V
3.2V
3.
2V
3.
2V
3.
2V
3.
2V
3.
2V
3.
2V
3.
2V
3.
2V
3.
2V
0V 0V 0V 0V 0V 0V 0V 0V
3.
2V
3.
2V
3.
2V
3.
2V
3.
2V
3.2V
3.2V
3.2V
3.2V
3.2V
3.2V
3.2V
3.2V
0V 0V
0V
0V
0V
0V 0V
0V
0V
0V
0V
0V
0V
3.
2V
3.
3V
NQR0286-007X
NQR0286-007X
R451 - R454, R521:
NQR0022-005X
L404,L405,L407
RESET
= 1.406V (rms)
= 3.978V (p-p)
VOUT(p-p) = 0.78 x VCC
* DAC 0dB OUTPUT LEVEL:
PWB NO.: GEB10288A
2.
1.
ALL 0.1uF C.CAP ARE 16V OR 10V RATING.
3.
L(R420)-NOR FLASH
BM2:H(R423)-J.T.A.G.
* BOOT MODE:
SDRAM
NOR FLASH
BURR BROWN 24-BIT DAC
IPOD A.IC
1.8V REGULATOR
DEBUGGER
J.T.A.G.
T --- TANTALUM CAPACITOR.
NOTES
ALL E.CAPACITORS ARE SHOWN IN THE FORM OF CAPACITANCE(uF)/RATED VOLTAGE(V)
ALL CAPACITANCE VALUES ARE IN uF(p=pF)
ALL RESISTANCE VALUES ARE IN OHM.
ALL CAPACITORS ARE 50V OR 25V OR 16V CERAMIC CAPACITOR.
UNLESS OTHERWISE SPECIFIED:
VOLTAGES ARE DC-MEASURED WITH A DIGITAL VOLT METER WITHOUT INPUT SIGNAL
NI INDICATES NOT INSERTED.
ALL RESISTORS ARE 1/16W +5% METAL GLAZE RESISTOR.
U0-
U0+
USB.GND
USB.GND
SCL
K
MI
C
U1-
U1+
SW3
ESDA
ESCL
ESD
A
ESC
L
SW3
SW
2
SW2
OE
XA20
SW1
URX
UTX
SW1
PSW
MIC
FWD
REV
B.MUTE
RESET
A.MUTE
USB1.EN
A.MUTE
RESET
USB3.3V
USB0.EN
NOR_CS
WE
A_GND
NRST
D_BCLK
D_LRCLK
D_SDATA
USB1.EN
USB0.EN
D_RESET
RESET
PS
W
DACMS
DACMD
CD16M
MLD
A9V
DAC_R
DAC_L
CD16M
BLKCK
STAT
MCLK
MDATA
MCLK ML
D
STAT BLKC
K
MDAT
A
DACMC
DAO
BCLK
LRCLK
REV
MODE0
MODE0
XA0
DAO
CLKS
W
XA12
XA11
XA10
XA9
XA8
XA7
XA6
XA5
XA4
XA3
XA2
XA1
XA0
XD4
XD5
XD6
XD7
XD8
XD9
XD10
XD11
XD12
XD13
XD14
XD15
NRST
XD3 XD2 XD1 XD0
D_BCLK D_LRCL
K
D_SDATA DACM
D
DACM
C
DACM
S
CLKS
W
SCLK
LRCLK
BCLK
U1+
U1-
U0+
U0-
UTX
URX
B.MUTE
FW
D
NOR_CS
OE
SDCS
SDCKE
SDCLK
XA21 XA20 XA19 XA18 XA17 XA16 XA15 XA14 XA13
XA16
XA15
XA14
XA13
XA12
XA11
XA10
XA9
XA8
XA19
WE
D_RESET
XA18
XA17
XA7
XA6
XA5
XA4
XA3
XA2
XA1
XD0
XD8
XD1
XD9
XD2
XD10
XD3
XD11
XD4
XD12
XD5
XD13
XD6
XD14
XD7
XD15
XA3
XA2
XA1
XA0
XA10
XA14
XA13
SDCS
XA16
XA15
WE
XA21
XD0
XD1
XD2
XD3
XD4
XD5
XD6
XD7
XA4
XA5
XA6
XA7
XA8
XA9
XA11
SDCKE
SDCLK
XA20
XD15
XD14
XD13
XD12
XD11
XD10
XD9
XD8
12MHz
X401
TM
S
TCK
TRS
T
GND
BM2
TDO
UIRX
U1TX
TDI
NI R471
R417 270
R462
0
R463
0
R610
NI
22k
R409
R602
NI R434
R481 47k
2.2k R421
R416 270
22k R408
4.7k
R423
4.7k R415
R605
22 R425
1k
R604 22
R606 22
1/8W
R608 180
R607 22
R603
R601
R426
4.7k
R427
4.7k
R428
100
R420 4.7k
R441
0
R419 4.7k
R457 33
R456 33
R455 33
R418 4.7k
R414 33
NI
R442
R443
4.7k
R405 1M
R429
4.7k
R413 33
R412 33
R411 33
2.2k R422
R410
4.7k
R458 0
R430 100
NI R465
R403
47 R404
150
NI R464
R407
R450 NI
NI R468
0 R469
R431 100
NI R470
R402 47
10k R435
R436 10k
1/8W
R609 180
R521 R454 R453 R452 R451
R406
R449 NI
R448 NI
R447 NI
R401 47
R432
1k
R446
4.7k
R445
4.7k
NI R459
R444
47k
LTC044EUB-X
Q401
LF409
LF410
0.12
L402
0.12
L401
L407
L491
4.7
L404
L406
150
L403
L601 47
L405
K443
K442
NI
K450
K444
K447
K445
NI K449
NQR0286-007X
K446
K441 NQR0502-001X
NI K454
K448
K452
K453
NQR0022-005X
K451
XD3
128
XD2
127
XD1
126
XD0
125
VDDI
124
GPIOA15/EXINT
3
123
GPIOA14/EXINT
2
122
GPIOA13/EXINT
1
121
GPIOA12/EXINT
0
120
VDDI
O
119
VSS
118
GPIOA11/SC
L
117
GPIOA10/SD
A
116
GPIOA9/SC
L
115
GPIOA8/SD
A
114
GPIOA7/SDI1
113
GPIOA6/FRM
1
112
GPIOA5/SCK1
111
VDDI
110
GPIOA4/SDO1
109
GPIOA3/CDA
I
108
GPIOA2/CLRC
K
107
GPIOA1/CBCLK
106
GPIOA0/SPDIFTX
105
nTRST_JTAG
104
TDO
103
TCK
102
TM
S
101
TDI
100
GPIOD2
1
99
GPIOD2
0
98
VSS
97
UART1RX 96
UART1TX
95
GPIOD17 94
GPIOD16
93
GPIOD15/UART1CTSn 92
VDDI
91
GPIOB25/DAI 90
GPIOB24/DAO/BM2 89
GPIOB23/MCLK 88
GPIOB22/LRCK/BM1 87
GPIOB21/BCLK/BM0 86
VDDIO 85
VDDUSB 84
USB1D+ 83
USB1D-
82
VSS 81
USB0D+
80
USB0D- 79
MODE1
78
nRESET 77
VSSPLL
76
XFILT 75
VDDPLL
74
VDDPLL1 73
XFILT1 72
VSSPLL1 71
VSSADC 70
VDDADC 69
ADIN0 68
ADIN2 67
ADIN4 66
VDDIO 65
READY/MODE0
64
CTRL/UART0RX/GPIOB9
63
FLAG/UART0TX/GPIOB8
62
ND_nWE/GPIOB7
61
GPIOB6/IIDE_nC
S
60
VSS
59
VDDI
58
XTI
N
57
XTOU
T
56
XI
N
55
XOU
T
54
nCS3/ND_NOE3/GPIOB5
53
nCS2/ND_NOE2/GPIOB4
52
nCS1/ND_NOE1/GPIOB3
51
nCS0/ND_NOE0/GPIOB2
50
nO
E
49
nW
E
48
SD_nCS/GPIOB1
47
SD_CKE/GPIOB0
46
VSS
45
SDCLK
44
VDDI
O
43
XA21/DQM0
42
XA20/DQM1
41
VDDI
40
XA19/DQM1
39
XA18/DQM0
38
XA17/ND_CLE
37
XA16/SD_nRAS/ND_ALE
36
XA15/SD_nCAS
35
XA14/BA1
34
XA13/BA0
33
XA12 32
XA11 31
XA10 30
XA9 29
XA8 28
XA7 27
VDDIO 26
VSS 25
VDDI 24
XA6
23
XA5 22
XA4
21
XA3 20
XA2
19
XA1 18
XA0
17
XD15 16
XD14
15
XD13 14
XD12 13
XD11 12
XD10 11
XD9 10
VDDIO 9
VSS
8
VDDI 7
XD8 6
XD7
5
XD6 4
XD5
3
XD4 2
VSS
1
TCC8600
IC401
VSS
54
DQ15
53
VDD
1
DQ0 2
VDDQ
3
DQ1 4
DQ2
5
VSSQ 6
DQ3
7
DQ4 8
VDDQ
9
DQ5
10
DQ6 11
VSSQ
12
DQ7 13
VDD
14
LDQM
15
/WE 16
/CAS
17
/RAS 18
/CS
19
BA0 20
BA1
21
A10/AP 22
A0
23
A1 24
A2
25
A3 26
VSSQ 52
DQ14
51
DQ13
50
VDDQ
49
DQ12 48
DQ11
47
VSSQ 46
DQ10
45
DQ9 44
VDDQ 43
DQ8 42
VSS 41
NC/RFU
40
UDQM 39
CLK
38
CKE
37
NC
36
A11 35
A9
34
A8 33
A7
32
A6 31
A5
30
A4 29
VSS
28
VDD
27
IC442
A3V28S40FTP-G6
A15
1
A14 2
A13
3
A12 4
A11
5
A10 6
A9
7
A8 8
A19
9
A20
10
/WE 11
RST
12
NC 13
WP/ACC
14
R//B
15
A18 16
A17
17
A7 18
A6
19
A5 20
A4
21
A3 22
A2
23
A1 24 A0 25
/CE
26
VSS 27
/OE
28
D0 29
D8
30
D1 31
D9
32
D2 33
D10
34
D3
35
D11 36
VCC
37
D4 38
D12
39
D5 40
D13
41
D6 42
D14
43
D7 44
D15
45
VSS 46
/BYTE
47
A16 48
IC441
EN29LV320BT70TI
NC
20
NC 19
NC 18
NC 17
NC 16
NC
15
MODE0
14
I2C_SD
A
13
I2C_SC
L
12
VSS
11
NC 10
NC 9
NC 8
NC 7
NC 6
VCC
5
nRESET
4
NC
3
MODE1
2
NC
1
IC481
MFI341S2162-X
ZEROL
1
/MS 2
MC
3
MD 4
SCK
5
DATA 6
BCK 7
LRCK 8 NC 9
NC
10
VCC
11
AGND 12
VCOM
13
OUTR 14
OUTL
15
ZEROR 16
IC601
PCM1780-X
A0
1
A1
2
A2
3
GND
4
SD
A
5
SCL
6
WP
7
VD
D
8
R1EX24512ASAS-
X
IC402
S 6
VCC
5
A 4 CD16M 3
GND
2
SCLK 1
74LVC1G3157GW-X
IC471
VIN 4
VOUT 3 GND 2
STBY 1
IC491
NJM2878F4-18-X
D601 5.1V
NQR0450-001X
C430
T
C442 22/6.
3
T
C443
22/6.3
T
C491 47/10
T
C604
47/10
T
C495
22/6.
3
T
C601
47/10
560
C410
C418
0.15/16
C416
10
C417
330p
C415
0.0012
0.1
C414
0.1/16 C471
C605
100p
C401 560
0.1/16
C425
C606 100p
C426
20p
0.
1
C409 560 C405 470 C406
C402 560
C408 27P C407 27P
C403 560
C453 470 C452 470 C451 470
C456
NI
C404 560
0.
1
C441
NI
C457
C419 560
560
C448
560
C447
560
C446
560
C445
560
C444
560 C449
560 C450
C455
15k
C454
15k
0.1/16
C424
0.1/16
C423
0.
1
C422
C497
330p NI
C496
NI
C498
NI
C429
NI
C428
NI
C427
C420 560
C421
0.1
0.1
C482
0.1
C481
C494
0.1/16
C492 10/6.
3
C493 0.
1
NI C411
C603
0.1
C602 0.012/16
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
QGG2011M1-18X
CN441
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
QGG2011M1-18X
CN442
2
1
QGG2504M5-02
CN444
USB UNIT
CN441
To ELECTRIC UNIT-2
CN442
To ELECTRIC UNIT-2
CN444
To ELECTRIC UNIT-2
created date:2012-01-17 No.MA520
(No.MA520<Rev.001>)7/18