JVC KW-R900BTJ Service Manual page 23

USB UNIT
X401: NAX1168-001X
12MHz
X401
R404
150
R405 1M
R407,K445:
R468 NI
NQR0286-007X
R406:
R469 0
NQR0022-005X
R408 22k
R409
22k
3.2V
VDDIO
0V
C410
ADIN4
560
0V
C411 NI ADIN2
C414 1.6V
ADIN0
0.1
3.2V
VDDADC
0V
VSSADC
0V
C415
VSSPLL1
0.0012
L403
0V
XFILT1
C426 1.8V
VDDPLL1
20p
1.8V
C416
VDDPLL
10
C418
1.1V
XFILT
0.15/16
C417 0V
VSSPLL
330p
RESET R458 0
3.3V
nRESET
0V
MODE1
C457
R410 U0- R411 33
0V
4.7k USB0D-
NI
U0+ R412 33 C456
0V
USB0D+
NI
0V
VSS
C455
U1- R413 33 15k
0V
USB1D-
U1+ R414 33 15k
3.0V
USB1D+
C454
3.2V
VDDUSB
L404,L405,L407
NQR0022-005X 3.2V
VDDIO
L404
BCLK
1.6V
GPIOB21/BCLK/BM0
L405
LRCLK
1.6V
GPIOB22/LRCK/BM1
L406
SCLK
150 1.6V
GPIOB23/MCLK
L407
DAO
0V
GPIOB24/DAO/BM2
C421 USB1.EN
0V
GPIOB25/DAI
0.1
1.8V
VDDI
USB0.EN
3.1V
GPIOD15/UART1CTSn
ESDA
3.2V
GPIOD16
ESCL 3.2V
U1TX GPIOD17
3.2V
UART1TX
SW3
3.2V
UART1RX
R418 4.7k
R419 4.7k
UIRX
R420 4.7k
R415 4.7k
BM2
K447,K448,K454:
R421 2.2k
NQR0286-007X
K454 NI
R422 2.2k
R459 NI Q401
K447
LTC044EUB-X
RESET
0V
SW1
R435 10k
3.1V
0V
R447 NI
R425
R448 NI
* BOOT MODE:
BM2:H(R423)-J.T.A.G.
R449 NI
1k
L(R420)-NOR FLASH
R450 NI
J.T.A.G.
1.8V REGULATOR
DEBUGGER 16
NC
17 NC
T
IC491 18 NC
NJM2878F4-18-X
19 NC
20 NC
1.8V 0V
3 VOUT GND 2
IPOD A.IC
3.2V 3.2V
4 VIN STBY 1
L491
4.7
T
No.MA520
0V XA12
XA12
0V XA11
XA11
XA10
0V
XA10
XA9
0.8V
XA9
XA8
0.7V
XA8
XA7
2.6V
XA7
3.2V
VDDIO
0V
VSS
1.8V
VDDI
0.6V XA6
XA6
R445
0.9V XA5
4.7k
XA5
XA4
2.4V
XA4
XA3
2.6V
XA3
XA2
0.9V
XA2
XA1
2.0V
XA1
IC401
XA0
0V
XA0
XD15
0.2V
XD15
TCC8600
XD14
0.2V
XD14
XD13
0.2V
XD13
0.1V XD12
XD12
0V XD11
XD11
XD10
0.2V
XD10
XD9
0V
XD9
3.2V
VDDIO
0V
VSS
1.8V
VDDI
XD8
0.2V
XD8
XD7
0.2V
XD7
XD6
0.2V
XD6
0.3V XD5
XD5
0.2V XD4
XD4
0V
VSS
R451 - R454, R521:
NQR0286-007X
DACMS
DACMC
C424
0.1/16 DACMD
R431 100
C423
R430 100
0.1/16 DAO
BCLK
IC471
LRCLK
1.6V 3.2V
SCLK S
0V 3.2V
GND VCC
15 14 13 12 11
0V 1.6V
CD16M A
74LVC1G3157GW-X
NC 10
R416 270
NC 9
R417 270
IC481
NC 8
C425
MFI341S2162-X
NC 7 0.1/16
NC 6
8 7 6 5
1 2 3 4 5
1 2 3 4
R481 47k
C482 C481
0.1 0.1
NOR FLASH
SDRAM
K441 NQR0502-001X
IC441 IC442
T
EN29LV320BT70TI
C443 A3V28S40FTP-G6
XA16 22/6.3
C444
560
XA15
3.0V 3.2V 3.2V
A15 A16 VDD
R441
XA14 XD0
0.9V 3.2V C445 0.2V
A14 /BYTE DQ0 DQ15
560
XA13 0
0V 0V 3.2V
A13 VSS VDDQ VSSQ
XA12 XD15 XD1
0V 0.2V 0.1V
A12 D15 DQ1 DQ14
XA11 XD7 XD2
0V 0.2V 0.2V
A11 D7 DQ2 DQ13
XA10 XD14
0V 0.2V 0V
A10 D14 VSSQ VDDQ
XD3
XA9 XD6
0.8V 0.2V 0.2V
A9 D6 DQ3 DQ12
XD4
XA8 XD13
0.7V 0.2V C446 0.2V
A8 D13 DQ4 DQ11
560
XA19 2.8V 0.3V XD5 3.2V
A19 D5 VDDQ VSSQ
XD5
XA20 0.1V XD12 0.3V
A20 D12 DQ5 DQ10
XD6
WE XD4
3.2V 0.2V 0.2V
/WE D4 DQ6
3.3V 3.2V 0V
RST VCC VSSQ VDDQ
D_RESET
XD7
XD11
0V 0V C447 0.2V
NC D11 DQ7
NI 560
R442
XD3
0V 0.2V 3.2V
WP/ACC D3 VDD
MODE0 XD10 XA21
3.2V 0.2V 2.8V
R//B D10 LDQM NC/RFU
XA18 XD2 WE
2.8V 0.2V 3.2V
A18 D2 /WE UDQM
XA17 XD9 XA15
0V 0V 3.0V
A17 D9 /CAS
XA7 XD1 XA16
2.6V 0.1V 3.2V
A7 D1 /RAS
XA6 0.6V 0.2V XD8 SDCS 3.0V
A6 D8 /CS
XA5 0.9V 0.2V XD0 XA13 0V
A5 D0 BA0
XA4
2.4V 3.2V XA14 0.9V
A4 /OE BA1
XA3
2.6V 0V XA10 0V
A3 VSS A10/AP
XA2
0.9V 3.2V XA0 0V
A2 /CE A0
XA1
2.0V 0V XA1 2.0V
A1 A0 A1
XA2
0.9V
A2
XA3
XA0 C448 2.6V
A3
560
NOR_CS 3.2V
VDD
OE
C427
NI
* DAC 0dB OUTPUT LEVEL:
BURR BROWN 24-BIT DAC VOUT(p-p) = 0.78 x VCC
= 3.978V (p-p)
= 1.406V (rms)
IC601
R601, R602, R603:
NQR0286-007X
ZEROL ZEROR
R603
3.2V 2.5V
/MS OUTL
R602 C605
3.2V 2.6V
MC OUTR
100p
R601 C603
3.2V 2.6V T
MD VCOM C604
NQR0022-005X 1/8W
0.1
R604 22 47/10
1.6V 0V R608 180
SCK AGND
K451 R605 22
0V 5.2V
DATA VCC
R606 22 L601 47
1.6V
BCK NC
R609 180
R607 22
1.6V 1/8W
LRCK NC
T
C601
47/10
PCM1780-X
NOTES
= R1
1. VOLTAGES ARE DC-MEASURED WITH A DIGITAL VOLT METER WITHOUT INPUT SIGNAL
CONDITION -- REAR USB MODE
R2
2. UNLESS OTHERWISE SPECIFIED:
RT1N441C-X R1 = 47k
ALL RESISTORS ARE 1/16W +5% METAL GLAZE RESISTOR.
R2 = 47k
ALL CAPACITORS ARE 50V OR 25V OR 16V CERAMIC CAPACITOR.
ALL 0.1uF C.CAP ARE 16V OR 10V RATING.
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)
T --- TANTALUM CAPACITOR.
3. NI INDICATES NOT INSERTED.
(No.MA520<Rev.001>)7/18
K442,K443,K444,
NQR0286-007X
CN441
QGG2011M1-18X
K444
B.MUTE
1
USB0.EN
NI
2
K450
FWD
3
K443
USB1.EN
4
K449 NI
REV
5
K442
CD16M
6
7
USB3.3V
8
0V
VSS USB.GND To ELECTRIC UNIT-2
XD15 9
0.2V
CN441
MIC
10
0V
PSW
XD14 11
0.2V
DAC_L
XD13 12
0.2V
K452
SW3
13
3.2V
DAC_R
XD12 14
0.1V
SW2 K453
XD11 15
0V
A_GND
16
0V
SW1
XD10 17
0.2V
A9V
XD9 18
0V
DQ9
K452,K453:
3.2V NQR0286-007X
XD8
0.2V
CN442
DQ8
0V QGG2011M1-18X
VSS R457 33
D_BCLK
1
MDATA
XA20
2.8V 2
R455 33
D_SDATA
SDCLK
1.6V 3
CLK
MCLK
SDCKE
3.2V 4
CKE R456 33
D_LRCLK
5
NC
MLD
XA11
0V
6
A11
A.MUTE
XA9
0.8V
7
A9
STAT
XA8
0.7V 8
A8
UTX To ELECTRIC UNIT-2
XA7
2.6V 9
A7
K446
NRST CN442
XA6
0.6V 10
A6 NQR0286-007X
URX
XA5
0.9V 11
A5
BLKCK
XA4
2.4V 12
A4
RESET
0V 13
VSS
USB.GND
14
U1+ R464 NI
15
U0+
16
LF409
U1-
17
U0-
R465 NI
18
R471 NI
LF410
R470 NI
CN444
QGG2504M5-02
L409,L410:
NQR0682-001X
To ELECTRIC UNIT-2
1
CN444
2
PWB NO.: GEB10288A
created date:2012-01-17