JVC UX-G500VB Service Manual page 55

Front end section 2
B
C
D
E
F
G
FLASH ROM
IC509
SG32A90TFIR3
EXADT15 0.4V 0.5V
A15 A16
EXADT14 0.7V 3.3V
A14 */BYTE
EXADT13 0.5V 0V
A13 VSS
EXADT12 0.7V 0.8V
A12 D15
EXADT11 0.7V 1.5V
A11 D7
EXADT10 1.7V 0.8V
A10 D14
EXADT9 1.8V 1.6V
A9 D6
EXADT8 1.3V 1.0V
A8 D13
EXADR19 0.1V 1.2V
A19 D5
EXADR20 0V
1.3V
R531 A20 D12
NEXWE 3.3V 1.4V
10k /WE D4
C554
CPURST 3.3V 3.3V
*/RST VCC
0V 0.9V
D11
NC
R535 3.3V 1.8V
VPP D3
47k 0.9V 1.3V
*R/B D10
EXADR18 0.3V 1.6V
A18 D2
EXADR17 0.4V 1.3V
A17 D9
EXADT7 1.1V 1.3V
A7 D1
EXADT6 1.3V 1.1V
A6 D8
EXADT5 1.3V 1.3V
A5 D0
EXADT4 2.0V 1.7V
A4 /OE
EXADT3 2.0V 0V
A3 VSS
EXADT2 2.0V 0.9V
A2 /CE
EXADT1 1.8V 1.7V
A1 A0
IC453
3.0V S-80830CNNB-G-W
DET
OUT VSS
VDD NC
NOTES
1. VOLTAGES ARE DC-MEASURED WITH A DIGITA L VOLT METER WITHOUT INPUT SIGNAL.
CONDITION --- A DVD disc in the Tray 1, and STOP mode.
2. UNLESS OTHERWISE SPECIFIED.
ALL RESISTORS ARE 1/16W 5% METAL GLAZE RESISTOR. OR 0.5%
ALL CAPACITORS ARE 50V , 25V , 16V , 10V or 6.3V CERAMIC CAPACITOR
ALL RESISTANCE VALUES ARE IN OHM( ) .
ALL CAPACITANCE VALUES ARE I N uF(p=pF).
ALL E.CAPACITORS ARE SHOWN IN THE FORM OF CAPACITANCE(uF) /RATED VOLTAGE (V) .
ALL INDUCTANCE VALUES ARE IN uH(m=mH) .
SDRAM
IC505
K4S641632K-UC75
EXADR16 C560 3.3V 0V
VDD VSS
0.1 2.8V 2.7V MDQ15
MDQ0
DQ0 DQ15
C551 3.3V 0V
VDDQ VSSQ
EXDT15 0.1 2.8V 2.7V MDQ14
MDQ1
DQ1 DQ14
EXDT7 MDQ2 2.8V 2.8V C562 MDQ13
DQ2 DQ13
EXDT14 0V 3.3V
VSSQ VDDQ
EXDT6 MDQ3 2.7V 2.7V F 1 MDQ12
DQ3 DQ12
EXDT13 C563 2.8V 2.6V MDQ11
MDQ4
DQ4 DQ11
EXDT5 3.3V 0V
VDDQ VSSQ
EXDT12 0.1 2.7V MDQ10
MDQ5 2.8V
DQ5 DQ10
EXDT4 3.1V 2.8V C557 MDQ9
MDQ6
DQ6 DQ9
0V 3.3V
VSSQ VDDQ
0.1 EXDT11 C559 2.3V 2.8V MDQ8
MDQ7
DQ7 DQ8
EXDT3 1.1V 0V 0.001
VDD VSS
EXDT10 DQM0 0.1 3.3V 0V
LDMQ NC/RFU
EXDT2 NWE 2.4V 2.4V DQM1
/WE UDQM
EXDT9 NCAS 3.2V 1.6V C561 MCK
/CAS CLK
EXDT1 NRAS 3.1V 0V MCK
/RAS CKE
EXDT8 NCSM 3.1V 1.6V NI
/CS NC
EXDT0 BA0 3.0V 3.3V MA11
BA0 A11
NEXOE BA1 0V 0V MA9
BA1 A9
MA10 1.6V 0V MA8
A10/AP A8
NEXCE MA0 1.6V 0.6V MA7
A0 A7
EXADT0 MA1 0V 1.6V MA6
A1 A6
MA2 0V 1.6V MA5
A2 A5
MA3 C555 0V 1.6V MA4
A3 A4
0.1 0.7V 1.6V
VDD VSS
C558
22/6.3
K501
NQR0502-001X
R458
1k
3. NI STANDS FOR NOT INSERTED PARTS.
METAL GLAZE RESISTOR.
.
P3.3V
S3.3V
IC707
NI 3.3V REG
VCC
K713
R713 NI
NC NC
GND DACCK-
3 4.0V 3.9V
NI VIN CONT
2 DACCK+ 3.3V 0V
VOUT GND
DGNG
1
NC NC
DACCK
BUFFER
IC305
MM3233DF-X
IC706
NI
K714 GND
NI
VCC
R712
GND
NI
AUDIO ADC
K720
DACCK NQR0022-002X
IC704
NI
R716
ADIN C742 R740
SDOUT DGND
LRCK NI
LRCK VD
NI C743 C740
MCLK VA
BCK C741
SCLK AGND
ADCPDN NI
PDN VCOM
R719 F NI
DIF CKS1
NI
C744
NI
CKS2 AINL
CKS0 AINR
C745
NI
R742
R741
NI NI
AUDIO DAC
A5V
IC701
REG
R717
AK4387ET-X
NI
DATAM
1.6V 0V
MCLK DZF
1.6V 4.9V
BICK DVDD
R701
AOUT0 0V 4.9V C701
SDTI AVDD
1.6V 0V C707 2.2
LRCK VSS
3.3V 2.4V
0.1
PDN VCOM
3.3V 2.4V
DAC0CS
CSN AOUTL
3.3V 2.4V 0.1
DCLK
CCLK AOUTR
3.3V 0V
DDATA
CDTI P/S
C706
IC702
NI
10/16
MCLK DZF
BICK DVDD
AOUT1 C702
SDTI AVDD
C708
LRCK VSS
NI
PDN VCOM
DAC1CS
CSN AOUTL
NI
CCLK AOUTR
CDTI P/S
IC703
NI
MCLK DZF
BICK
DVDD
AOUT2 C703
SDTI AVDD
C709
LRCK
VSS
DACPDN NI
PDN VCOM
NI
DAC2CS CSN
AOUTL
CCLK
AOUTR
CDTI
P/S
2-10
BCKM K731 NI
1 BCK
2 DGND
DATAM DATAM K732 NI
3 DATA
DEMP
4 DEMP
LRCKM K733 NI
5 LRCLK
COPY
6 COPY
TRACK
7 TRACK
INDEX
8 INDEX
K701 NQR0022-002X 0.4V
DAC3OUT
1 DAC3OUT
0V
2 DGND
K702 NQR0022-002X 0.1V
DAC2OUT
3 DAC2OUT
0V
4 DGND
K703 NQR0022-002X 0.2V
DAC1OUT
5
DAC1OUT
D4V S5V 0V
6 DGND
K704 NQR0022-002X TP702 0.4V
DAC4OUT
7 DAC4OUT
0V
8 S5V
M9V M5V D2V K705 NQR0022-002X 3.3V
DAC5OUT
9 DAC5OUT
0V
10 D4V
0V
D2V
11
TP713 TP711 3.2V
12 D2V
TX K706 NQR0022-005X 3.3V
13 TX
3.5V
14 MGND
TP716 TP714 3.3V
15 MGND
RX GND R730 330 3.5V
16 RX
2.8V
17 M9V or M5V
4.0V
18 M9V
R731 1k 4.0V
19 DVDPWR
DVDPWR U2SDT K707 NQR0022-002X 0V
20 U2SDT
S2UDT K708 NQR0022-002X 0V
21 S2UDT
UCLK K709 NQR0022-002X 0V
UCLK
22
SCS K710 NQR0022-002X 1.7V
23 SCS
UCS K711 NQR0022-002X 0V
UCS
24
CPURST R732 1k 4.9V
25 CPURST
NI
0.1
3 2 1
5 A6V
4 FAOUTR
3 AGND
4 5 2 FAOUTL
LRMUTE
C711 1
1
R714
NI 2.4V
15 AINR
R720 NI 0V
14 AGND
R715 NI 2.4V
13 AINL
0
K721 6.0V
12 A6V
R721 470 2.4V
11 FAOUTR
R722 0 0V
10 AGND
R723 470 2.4V
9 FAOUTL
0
C728 K722 0V
8 LRMUTE
NI R724 NI 2.4V
RAOUTR
7
NI
K726 0V
6 A6V
R725 NI 2.4V
RAOUTL
5
R726 NI 0V
4 AGND
R727 NI 2.4V
SWAOUT
3
0V
2 SWMUTE
R728 NI 2.4V
1 CAOUT
GND
LVA10824-671A (B/8)
for
Serial REC
for
SYSTEM
BCK
DGND
AOUT0
AOUT1
AOUT2
DGND
LRCLK
for
LRMUTE
SYSTEM
ADIN
DAC0CS
DCLK
DAC1CS
DDATA
SWMUTE
DAC2CS