DOWNLOAD Sony CDX-GT410U / CDX-GT41UW / CDX-GT460U / CDX-GT460US Service Manual ↓ Size: 4.37 MB | Pages: 43 in PDF or view online for FREE

Model
CDX-GT410U CDX-GT41UW CDX-GT460U CDX-GT460US
Pages
43
Size
4.37 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
cdx-gt410u-cdx-gt41uw-cdx-gt460u-cdx-gt460us.pdf
Date

Sony CDX-GT410U / CDX-GT41UW / CDX-GT460U / CDX-GT460US Service Manual ▷ View online

29
CDX-GT41UW/GT410U/GT460U/GT460US
IC801  NJM2387ADL3 (MAIN Board (3/3))
IC802  NJM2387ADL3 (MAIN Board (3/3))
1
2
3
4
5
CURRENT
LIMIT
THERMAL
PROTECTION
OVERVOLTAGE
PROTECTION
BANDGAP
REFERENCE
VIN
CONTROL
VOUT
VADJ
GND
IC803  BD9778HFP (MAIN Board (3/3))
1
2
3
4
5
CURRENT
LIMIT
PWM
COMPARATOR
ERROR
AMP
L:OFF
H:ON
VREF
VIN
TSD
OSC
VIN
SW
PB
GND
INV
6
RT
7
EN
VREF
SOFT
START
ON/OFF
LATCH
DRIVER
RESET
30
CDX-GT41UW/GT410U/GT460U/GT460US
• IC PIN DESCRIPTION
IC501  MB90F046PF-G-101E1 (SYSTEM CONTROL) (MAIN BOARD (3/3))
Pin No.
Pin Name
I/O
Pin Description
1
AREASEL0
I
Destination setting pin 0
2
AREASEL1
I
Destination setting pin 1
3
AREASEL2
I
Destination setting pin 2
4
B-OUTSEL
I
Black-out with/without discrimination signal input    “H”: Black-out
5
DIAG
I
Status signal input from power amplifier
6
AAC SEL
I
AAC play setting signal input
7
BEEP
O
Beep signal output to power amplifier
8
AMPSTB
O
Standby signal output to power amplifier
9
VOLATT
O
Electronic volume attenuate control signal output
10
FSW IN
I
D/D converter oscillator frequency count signal input
11
VSS
Ground pin
12
TUATT
O
Tuner mute control signal output
13
NSMASK
O
Noise mask signal output    Not used in this set.
14
ILLUMI SEL
I
Illumination voltage setting signal input
15
COL SEL
I
Two colors change setting signal input
16, 17
NCO
O
Not used. (Open)
18
FL CS
O
Fluorescent indicator tube chip select signal output
19
FL SO
O
Fluorescent indicator tube serial data signal output
20
FL SCK
O
Fluorescent indicator tube serial clock signal output
21, 22
NCO
O
Not used. (Open)
23
VCC5
Power supply pin (+3.3 V)
24
EEP SIO
I/O
EEPROM bus serial data signal input/output
25
EEP CKO
O
EEPROM bus serial clock signal output
26
RDS ON
O
RDS (Radio Data System) on signal output    Tuner on: “L”    Not used in this set.
27
MC RX
I
Mechanism microcomputer comunication signal input RX
28
MC TX
O
Mechanism microcomputer comunication signal output TX
29, 30
NCO
O
Not used. (Open)
31
RE IN0
I
Rotary encoder signal input 0
32
RE IN1
I
Rotary encoder signal input 1
33
I2C SCK
O
I2C bus serial clock signal output
34
I2C SIO
I/O
I2C bus serial data signal input/output
35
DAVDD
A/D converter power supply pin (+3.3 V)
36
AVRH
A/D converter external reference power supply pin (+3.3 V)
37
DAVSS
Ground pin
38
QUALITY
I
Noise detect signal input
39
VSM
I
S-meter voltage detect signal input
40
KEYIN1
I
Key signal input 1
41
KEYIN0
I
Key signal input 0
42
VSS
Ground pin
43
RCIN0
I
Rotary commander key signal input    Not used in this set.
44 to 47
NCO
O
Not used. (open)
48
AD ON
O
A/D converter power supply control signal output
49
MD0
I
Operation mode setting pin (Connect to VDD.)
50
MD1
I
Operation mode setting pin (Connect to VDD.)
51
MD2
I
Operation mode setting pin (Connect to VSS.)
52
KEYACK
I
Key acknowledgment detect signal input
53
TUATTIN
I
Tuner mute zero cross detect signal input    Not used in this set.
54
BUIN
I
Back-up power supply detect signal input
31
CDX-GT41UW/GT410U/GT460U/GT460US
55
NCO
O
Not used. (Open)
56
DAVN
I
RDS (Radio Data System) data block synchronized detect signal input
Not used in this set.
57
NCO
O
Not used. (Open)
58
UNISI
I
SONY bus data signal input
59
UNISO
O
SONY bus data signal output
60
UNISCK
O
SONY bus clock signal output
61
Z MUTE
I
Mute signal input
62
NOSE SW
I
Front panel attachment detect signal input    “L”: With panel, “H”: Without panel
63
FLASH W
I
Memory mode change signal input    Normally “H”: Single chip mode, after reset
“L”: flash write mode
64
SIRCS
I
Remote control signal input
65 to 70
NCO
O
Not used. (Open)
71
RC IN1
I
Rotary commander shift key signal input    Not used in this set.
72 to 74
NCO
O
Not used. (Open)
75
FSW OUT
O
D/D converter oscillator frequency shift control signal output
“L”: 350 kHz, “H”: 415 kHz
76
NCO
O
Not used. (Open)
77
RESET
I
CPU reset signal input
78
NCO (OPEN REQ)
O
Not used. (Open)
79
XIN
I
Low speed operation clock signal input (32.768 kHz)
80
XOUT
O
Low speed operation clock signal output (32.768 kHz)
81
VSS1
Ground pin
82
OSCIN
I
High speed operation clock signal input (18.432 MHz)
83
OSCOUT
O
High speed operation clock signal output (18.432 MHz)
84
VCC3
Power supply pin (+3.3 V)
85
CYRIL SEL
I
Cyril correspondence discrimination signal input    “L”: No correspondence
86
DEMOSEL
I
DEMO select signal input    “H”: DEMO on, “L”: DEMO off
87
NCO
O
Not used. (Open)
88
SYSRST
O
System reset signal output
89
FL ON
O
Fluorescent indicator tube power on/off control signal output
90
DD ON
O
D/D converter power on/off control signal output
91
USB OVER
I
USB overcurrent detection signal input    “L”: Overcurrent detection
92
USB ON
O
USB overcurrent detection IC control signal output    “H”: On, “L”: Off
93
WAKE UP
O
Mechanism microcomputer wake up signal output    “H”: Wake up, “L”: Sleep
94
CDON
I
CD mechanism servo power supply control request signal input
95
CDMON
I
CD mechanism deck power supply control request signal input
96
BUSON
O
Bus on signal output
97
TESTIN
I
Test mode detect signal input
98
TELATT
I
Telephone attenuate detect signal input
99
ACC IN
I
Accessory power supply detect signal input
100
ATT
O
Audio mute control signal output
Pin No.
Pin Name
I/O
Pin Description
32
CDX-GT41UW/GT410U/GT460U/GT460US
SECTION 5
EXPLODED VIEWS
1
X-2149-438-1 PANEL (FL-U) ASSY, SUB
2
3-042-244-11 SCREW (T)
3
X-2108-670-1 LOCK ASSY (S)
4
2-050-124-01 SCREW +BTT 2.6X5
5
A-1215-219-A MAIN BOARD, COMPLETE (GT460U/GT460US)
5
A-1215-247-A MAIN BOARD, COMPLETE (GT41UW/GT410U)
6
2-021-848-01 SHEET (TU), GROUND
7
1-833-100-11 CORD (WITH CONNECTOR) (POWER)
(EXCEPT GT460US:IND)
7
1-833-762-11 CONNECTION CORD FOR AUTOMOBILE
(POWER) (for Maruti Suzuki) (GT460US:IND)
F901
1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) 10A
TU1
A-3220-961-B TUNER UNIT (TUX-032)
#1
7-685-792-09 SCREW +PTT 2.6X6 (S)
#2
7-685-790-01 SCREW +PTT 2.6X4 (S)
#3
7-685-793-09 SCREW +PTT 2.6X8 (S)
#4
7-685-794-09 SCREW +PTT 2.6X10 (S)
#5
7-685-134-19 SCREW +P 2.6X8 TYPE2 NON-SLIT
#6
7-621-284-40 SCREW +P 2.6X10
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
NOTE:
The mechanical parts with no reference
number in the exploded views are not supplied.
Items marked “*” are not stocked since
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
-XX and -X mean standardized parts, so
they may have some difference from the
original one.
Color Indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE) ... (RED)
Parts Color  Cabinet’s Color
Accessories are given in the last of this parts list.
Abbreviation
CND : Canadian model
IND : Indian model
5-1.
MAIN SECTION
R
R
not supplied
not supplied
not supplied
F901
not supplied
TU1
not supplied
not supplied
#1
#1
#1
#3
#4
#4
#5
#6
#3
#4
#2
#1
MG-101U-188//Q
A
A
B
B
1
2
3
4
7
6
A
5
not supplied
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
Les composants identifiés par une
marque 0 sont critiques pour
la sécurité.
Ne les remplacer que par une piéce
portant le numéro spécifié.
Ver. 1.2
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