DOWNLOAD Panasonic CQ-EN3781AD Service Manual ↓ Size: 5.82 MB | Pages: 42 in PDF or view online for FREE

Model
CQ-EN3781AD
Pages
42
Size
5.82 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio / AUTOMOTIVE AFTERMARKET
File
cq-en3781ad.pdf
Date

Panasonic CQ-EN3781AD Service Manual ▷ View online

Pin No.
Port
I/O
Description
G26
UM_D23
I/O SDRAM
F29
UM_D24
I/O SDRAM
G29
UM_D25
I/O SDRAM
H26
UM_D26
I/O SDRAM
H28
UM_D27
I/O SDRAM
J29
UM_D28
I/O SDRAM
J27
UM_D29
I/O SDRAM
K28
UM_D30
I/O SDRAM
L27
UM_D31
I/O SDRAM
T25
VCC
-
-
AA25
VCC
-
-
V25
VCC
-
-
R25
VCC
-
-
AA26
GND
-
-
V26
GND
-
-
T26
VSS
-
-
R26
GND
-
-
G25
VCC
-
-
F25
VCC
-
-
E25
VCC
-
-
D25
VCC
-
-
A26
VCC
-
-
A25
VCC
-
-
J26
GND
-
-
G28
GND
-
-
F26
GND
-
-
E26
GND
-
-
D26
GND
-
-
E24
GND
-
-
AC27
DPLL_OUT
-
No connection
AC29
NDPLL_VTR
I
12S 6-CD Changer
AB26
DPLL_LOCDET
O
-
AB29
DPLL_CLK
-
No connection
AB28
DOT_CLK
I
DPLLCLK
AC28
DCLK_SEL
I
-
Y26
CNT0_CLKIN
-
No connection
AA28
NCNT0_HSOUT
-
No connection
Y25
CNT1_CLKIN
-
No connection
AA27
NCNT1_HSOUT
O
DCK_SEL (Visual) for controlling
the clock oscillation stop)
Y27
NHSYNC_IN
I
HSYNC (Visual)
Y28
VIU_FIELDIN
O
RGB_CONT (Visual)
Y29
UVIU_VSIN
-
No connection
W27
NVIU_HSIN
-
No connection
W28
VIU_CLKENB
I
CAMERA_DET
(for
camera
control)
W29
VIU_VICLK
O
VSYNC_SEL
T28
VIU_D0
-
No connection
T27
VIU_D1
-
No connection
U29
VIU_D2
-
No connection
U28
VIU_D3
-
No connection
U27
VIU_D4
-
No connection
V29
VIU_D5
-
No connection
V28
VIU_D6
I
DSP_INIT (notice signal that DSP
is initialized)
V27
VIU_D7
O
DSP_RESET
AB25
NROMKILL
I
NROMKILL
R28
NWDTKILL
-
No connection
AB27
TEST0
I
1KPD (for ICE switching)
AA29
TEST1
I
GND (for ICE switching)
T29
SDA
I/O SDA (I2C Tuner/DSP)
R27
SCL
I/O SCL (I2C Tuner/DSP)
R29
AUDATA0
I
10KPU
P29
AUDATA1
I
10KPU
P28
AUDATA2
-
No connection
P27
AUDATA3
-
No connection
Pin No.
Port
I/O
Description
N29
NAUDSYNC
-
No connection
N28
AUDCK
O
-
N27
NASEBRKAK
I/O TP (E10A)
N26
TDO
O
TP (E10A)
N25
TDI
I
TP (E10A)
M29
TMS
I
TP (E10A)
M28
TCK
I
TP (E10A)
M27
NTRST
I
TP (E10A)
U25
VBB
-
GND
U26
VBB_ENB
-
GND
W5
VCC_CPG
-
10PU
W4
VSS_CPG
-
GND
AC26
VCC_PLL1
-
10PU
AD29
GND_PLL1
-
GND
AD27
VCC_PLL2
-
10PU
AD28
GND_PLL2
-
GND
Y5
VCC_SH_PLL1
-
10PU
AA1
VSS_SH_PLL1
-
GND
Y3
VCC_SH_PLL2
-
10PU
Y4
VSS_SH_PLL2
-
GND
AE12
VCC
-
-
AE14
VCC
-
-
AF25
VCC
-
-
AJ11
GND
-
-
AF14
GND
-
-
AE24
VSS
-
-
AF16
GND
-
-
AE16
VCC
-
-
AJ19
VCC
-
-
AJ21
VCC
-
-
AJ23
VCC
-
-
AJ25
VCC
-
-
AE18
GND
-
-
AE20
GND
-
-
AE22
GND
-
-
AE23
GND
-
-
AE25
GND
-
-
M25
VCC
-
-
L25
VCC
-
-
J25
VCC
-
-
H25
VCC
-
-
R5
GND
-
-
U5
GND
-
-
W2
GND
-
-
M26
GND
-
-
K29
GND
-
-
AJ17
A00
-
No connection
AG16
A01
O
(Flash)
AH16
A02
O
(Flash)
AH15
A03
O
(Flash)
AG15
A04
O
(Flash)
AH14
A05
O
(Flash)
AG14
A06
O
(Flash)
AJ13
A07
O
(Flash)
AF13
A08
O
(Flash)
AE13
A09
O
(Flash)
AG12
A10
O
(Flash)
AF12
A11
O
(Flash)
AH11
A12
O
(Flash)
AH10
A13
O
(Flash)
AH17
A14
O
(Flash)
AJ16
A15
O
(Flash)
AJ15
A16
O
(Flash)
AJ14
A17
O
(Flash)
AH13
A18
O
(Flash)
AG13
A19
O
(Flash)
11
NISSAN / CQ-EN3781AD
Pin No.
Port
I/O
Description
AJ12
A20
O
(Flash)
AH12
A21
O
(Flash)
AG11
A22
O
(Flash)
AF11
A23
O
MODE2 (Flash)
AF10
A24
O
MODE1 (Flash)
AG10
A25
O
MODE0 (Flash)
AG25
D00
I/O (Flash)
AH25
D01
I/O (Flash)
AF24
D02
I/O (Flash)
AG24
D03
I/O (Flash)
AF23
D04
I/O (Flash)
AH23
D05
I/O (Flash)
AF22
D06
I/O (Flash)
AH22
D07
I/O (Flash)
AF21
D08
I/O (Flash)
AH21
D09
I/O (Flash)
AF20
D10
I/O (Flash)
AJ20
D11
I/O (Flash)
AG19
D12
I/O (Flash)
AG18
D13
I/O (Flash)
AH18
D14
I/O (Flash)
AG17
D15
I/O (Flash)
AH26
D16
-
No connection
AJ26
D17
-
No connection
AH24
D18
-
No connection
AJ24
D19
-
No connection
AG23
D20
-
No connection
AG22
D21
-
No connection
AG21
D22
-
No connection
AG20
D23
-
No connection
AH20
D24
-
No connection
AE19
D25
-
No connection
AF19
D26
-
No connection
AH19
D27
-
No connection
AF18
D28
-
No connection
AJ18
D29
-
No connection
AE17
D30
-
No connection
AF17
D31
-
No connection
H1
VDD
-
-
M1
VDD
-
-
U1
VDD
-
-
J5
VSS
-
-
N5
VSS
-
-
T5
VSS
-
-
K25
VDD
-
-
A24
VDD
-
-
A21
VDD
-
-
K26
VSS
-
-
D24
VSS
-
-
E20
VSS
-
-
A15
VDD
-
-
A10
VDD
-
-
A7
VDD
-
-
E15
VSS
-
-
E11
VSS
-
-
B6
VSS
-
-
P25
VDD
-
-
W25
VDD
-
-
P26
VSS
-
-
W26
VSS
-
-
AB3
SPD_IN
I
SPD (vehicle speed)
AB4
AD_DT
I
-
AC2
NAD_CS
-
No connection
AB5
AD_CK
-
No connection
AD2
XTAL_12M
I
GND
AD1
EXTAL_12M
-
No connection
Pin No.
Port
I/O
Description
AF2
XTAL_16M
I
GND
AF1
EXTA_16M
-
No connection
AJ4
XTAL_48M
I
GND
AH4
EXTA_48M
-
No connection
Y2
XTAL_SYS
I
XL
Y1
EXTAL_SYS
O
XL
W3
SYS_CLK
-
No connection
AD4
AC97_BCLK
-
No connection
AC5
NAC97RST
I
CD_LRCK (I2S-6CD Changer)
AC3
AC97_SDI
I
CD_BCLK (I2S-6CD Changer)
AE2
AC97_SD0
-
No connection
AD5
AC97_SYNC
-
No connection
AG1
VCI_MCLK
-
No connection
AF3
VCI_SCK
-
No connection
AG3
VCI_LRCK
-
No connection
AF4
VCI_DATA
-
-
AJ1
VCO_SCK
-
No connection
AH1
VCO_LRCK
-
No connection
AG2
VCO_DATA
-
No connection
AE6
USB0_0VC
I
-
AH5
USB_PENC
-
No connection
AE7
USB0_HP
I/O
-
AF6
USB0_HM
I/O
-
AH7
USB1_OVC
I
-
AF8
USB1_PENC
-
No connection
AG7
USB1_HP
I/O
-
AF7
USB1_HM
I/O
-
AG4
NWE0
O
-
AH3
NWE1
-
No connection
AJ2
NWE2
-
No connection
AH2
NWE3
-
No connection
AG8
NCS0
O
-
G3
NCS3
-
No connection
AF9
NCS4
-
No connection
G4
NCS5
-
No connection
AJ8
CKIO
-
No connection
AG9
NRD
O
FROM
AH9
NBS
-
No connection
AJ27
NRSTIN
I
Reset in
AG26
NRSTOUT
O
Reset out
AH27
NNMI
I
NMI in
AJ28
NRDY0
-
No connection
AJ29
NRDY1
-
No connection
AG27
NRDY2
O
-
AH29
R_OUT
O
Visual
AG28
G_OUT
O
Visual
AG29
B_OUT
O
Visual
AF27
CBU
O
GND
AD25
REXT
I
-
AF29
NVSYNC
I/O VSYNC
AE27
NHSYNC_OUT
-
No connection
AE28
NCSYNC_OUT
-
-
AE29
NODDF
I
GND
AC25
DISP
-
No connection
AD26
CDE
O
YS_IN (Visual)
AE8
VCCUSB1
-
-
AJ6
GNDUSB1
-
-
AJ5
VCCUSB0
-
-
AG6
GNDUSB0
-
-
AE26
VCCAA_DAC1
-
SW5V
AH28
VCCAA_DAC2
-
SW5V
AF28
VSSAA_DACL
-
PGND
AF26
VSSAA_DACR
-
PGND
AD3
VDD
-
-
AE3
VDD
-
-
AA3
VSS
-
-
AH6
VSS
-
-
12
NISSAN / CQ-EN3781AD
Pin No.
Port
I/O
Description
N1
VCC
-
-
T1
VCC
-
-
V1
VCC
-
-
W1
VCC
-
-
K5
GND
-
-
M5
GND
-
-
P5
GND
-
-
D3
NRTS2
-
No connection
E4
NCTS2
I
GND
E1
TXD
O
For FBT inspection
D2
TXD2
O
TEST_TX
(Reserved
for
204
debug)
F4
RXD
I
For FBT inspection
E3
RXD2
I
TEST_RX
(Reserved
for
204
debug)
F3
SCK
O
For FBT inspection
E2
SCK2
O
GND
F2
NLAN_DREQ
-
No connection
H4
LAN_DACK
-
No connection
G1
NDREQ0
O
FL_MUTE (audio mute)
H2
DACK0
O
FR_MUTE (audio mute)
G2
NDREQ1
-
No connection
H3
DACK1
O
RL_RR_MUTE (audio mute)
J4
NDEV_CS0
-
No connection
J3
NDEV_CS1
-
No connection
J2
NDEV_CS2
-
No connection
K4
NDEV_CS3
-
No
connection
(reserved
for
AUDIO_MUTE)
K3
NDEV_CS4
O
SWF1.SEL (for frequency switch 1)
K2
NDEV_CS5
O
SWF2.SEL (for frequency switch 2)
K1
NDEV_CS6
I
LOG_ON (log acquisition setting
input port)
L5
NDEV_CS7
-
No connection
N3
ATA_A0
-
No connection
N4
ATA_A1
-
No connection
M2
ATA_A2
-
No connection
V2
ATA_D00
-
-
U4
ATA_D01
-
-
U3
ATA_D02
-
-
U2
ATA_D03
-
-
T4
ATA_D04
-
-
T3
ATA_D05
-
-
T2
ATA_D06
-
-
R1
ATA_D07
-
-
R2
ATA_D08
-
-
R4
ATA_D09
-
-
Pin No.
Port
I/O
Description
R3
ATA_D10
-
-
P1
ATA_D11
-
-
P2
ATA_D12
-
-
P3
ATA_D13
-
-
P4
ATA_D14
-
-
N2
ATA_D15
-
-
M3
NATA_CS0
-
No connection
M4
NATA_CS1
-
No connection
L4
NATA_WAITE
-
No connection
L3
NATA_BUFEN
-
No connection
AB2
ATA_DREQ
I
-
V3
NATA_DACK
-
No connection
V4
NATA_DIOR
--
No connection
V5
NATA_DIOW
-
No connection
AB1
ATA_IORDY
I
-
AA5
ATA_INT
-
-
L2
NATA_RST
-
No connection
AC1
VCC
-
-
AE5
VCC
-
-
AH8
VCC
-
-
AE10
VCC
-
-
AA2
GND
-
-
AE1
GND
-
-
AJ3
GND
-
-
AJ9
GND
-
-
AG5
VSS
-
-
AC4
VSS
-
-
AE4
VSS
-
-
D1
VCC
-
-
F1
VCC
-
-
J1
VCC
-
-
L1
VCC
-
-
F5
GND
-
-
G5
GND
-
-
H5
GND
-
-
AA4
VDD
-
-
AF5
VDD
-
-
AE9
VDD
-
-
AJ7
VSS
-
-
AJ10
VSS
-
-
AE11
VDD
-
-
AE15
VDD
-
-
AJ22
VDD
-
-
AF15
VSS
-
-
AE21
VSS
-
-
13
NISSAN / CQ-EN3781AD
8.1. Main Block
IC101 : C0DBAZC00016
IC102, 103, 105, 108, 512 : C0DBEKG00001
IC104, 106 : C0CAAYG00005
IC109 : C0DBAMC00006
IC110 : C0DBAYY00298
IC111 : C0CBABE00053
8 IC BLOCK DIAGRAM
14
NISSAN / CQ-EN3781AD
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