Sony CDX-GT30RN Service Manual ▷ View online
33
CDX-GT30RN
IC750 TDA8588AJ/N2/R1/M5 (MAIN Board (2/4)) (AEP, UK model)
IC750 TDA8588AJ/N2/R1 (MAIN Board (2/4)) (E model)
IC750 TDA8588AJ/N2/R1 (MAIN Board (2/4)) (E model)
MUTE
MUTE
ENABLE
LOGIC
STANDBY
MUTE
CHIP DETECT
DIAGNOSTIC
PROTECTION
DIAGNOSTIC
SWITCH
REGULATOR
SWITCH
REFERENCE
VOLTAGE
LOADDUMP
PROTECTION
TEMPERATURE
PROTECTION
BACK-UP
SWITCH
REGULATOR
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
TAB
OUT FL-
OUT FL+
OUT RL-
OUT RL+
INRL
SGND
INRR
OUT RR+
OUT RR-
OUT FR+
OUT FR-
DIAG
SW2(ANT REM)
SW1(ANT REM)
REG3(SERVO)
REG4(DR+B)
VP(REG)
REG2(BU 5V)
SDA
SCL
VP2
PGND3
SVR
INFL
INFR
AC GND
PGND2
VP1
STB
PGND1
RST
CRES
REG1(AUDIO +B)
GND(REG)
REG5(ILL)
CBU
FL
RL
RR
VP
FR
I2C BUS
Ver. 1.1
34
CDX-GT30RN
IC260 TJA1040T (CAN Board)
IC250 TJA1054A (CAN Board)
1
INH
14 BAT
2
TXD
3
RXD
4
ERR
5
STB
6
EN
7
WAKE
13 GND
12 CANL
11 CANH
10 VCC
9 RTL
8 RTH
WAKE-UP
STANDBY
CONTROL
STANDBY
CONTROL
TEMPERATURE
PROTECTION
DRIVER
FAILURE DETECTOR
PLUS WAKE-UP
PLUS TIME-OUT
RECEIVER
FILTER
TIMER
FILTER
VCC
VCC
VCC
1
8
7
6
5
3
4
2
TIME-OUT
&
SLOPE
WAKU-UP
MODE CONTROL
MUX
TEMPERATURE
PROTECTION
DRIVER
V SPLIT
WAKU-UP
FILTER
STB
CANH
CANL
SPLIT
TXD
GND
VCC
RXD
35
CDX-GT30RN
• IC Pin Descriptions
IC3 MB90486BPFV-G-177E1 (CD SYSTEM CONTROL) (SERVO BOARD (2/2))
Pin No.
Pin Name
I/O
Pin Description
1
CDON 1500MV
O
Servo 1.5 V power supply control signal output
2 to 5
NC
—
Not used. (Open)
6
DRVON
O
Motor drive on/off control signal output
7
CD BUS0
I/O
Bus data signal input/output 0
8
CD BUS1
I/O
Bus data signal input/output 1
9
VSS
—
Ground pin
10
CD BUS2
I/O
Bus data signal input/output 2
11
CD BUS3
I/O
Bus data signal input/output 3
12
CD BUCK
O
Bus clock signal output
13
CD XCCE
O
Chip enable signal output
14
CD XRST
O
Reset signal output
15
CD ZDET
I
Zero detection signal input
16 to 20
NC
—
Not used. (Open)
21
VCC
—
Power supply pin (+3.3 V)
22
DAC ZDETL
I
Zero data detection signal input (L-ch)
23
DAC ZDETR
I
Zero data detection signal input (R-ch)
24
NC
—
Not used. (Open)
25
RXD
I
UART RXD data signal input (MCBUS/Flash data input)
26
TXD
O
UART TXD data signal output (MCBUS/Flash data output)
27
DEC SSTBY
O
SRAM STANDBY mode control signal output
28, 29
NC
—
Not used. (Open)
30
DEC INT
I
Request signal input
31, 32
NC
—
Not used. (Open)
33
AVCC
—
Power supply pin (+3.3 V) for A/D converter
34
AVRH
—
External reference voltage for A/D converter
35
AVSS
—
Ground pin
36
NC
—
Not used. (Open)
37
DEC XMUTE
O
Mute signal output L: mute
38, 39
NC
—
Not used. (Open)
40
VSS
—
Ground pin
41
NC
—
Not used. (Open)
42
MEC LIMIT
I
Sled limit in detection switch signal input
43
MEC LOAD
O
Loading motor signal output (Load direction)
44
MEC EJECT
O
Loading motor signal output (Eject direction)
45
MEC INSW
I
Pack-in detection signal input
46
MEC DSW
I
Chucking end detection switch signal input
47, 48
MD0, MD1
I
CPU operation mode designation signal input (Connect to Vcc.)
49
MD2
I
CPU operation mode designation signal input (Connect to Vss.)
50
BUS ON
I
Bus on signal input L: bus on
51
BU IN
I
Backup on/off signal input H: backup on, L: backup off
52
NC
—
Not used. (Open)
53
MEC SELFSW
I
Disc insert detection switch signal input L: disc in interruption
54, 55
NC
—
Not used. (Open)
56
UNISI
I
Serial data signal input
57
UNISO
O
Serial data signal output
58
UNICKI
I
Serial clock signal input
59
LINKOFF
O
Line off signal output
60
A ATT
O
Audio attenuation signal output H: ATT on
61
EJECT OK
I
Front panel open signal input H: eject
62
OPEN REQ
O
Front panel open/close request signal output H: open request
63
MECON
O
Mechanism deck power supply control signal output
36
CDX-GT30RN
Pin No.
Pin Name
I/O
Pin Description
64
CDON
O
Servo power supply control signal output H: power on
65
XUART
I
Sony-Bus/MC-Bus change signal input H: Sony-Bus, L: MC-Bus
66
ZMUTE
O
Zero detection mute signal output
67
MECON CHK
I
MECON rising detection signal input
68
CDON CHK
I
CDON rising detection signal input
69 to 74
NC
—
Not used. (Open)
75
RSTX
I
System reset signal input
76
NC
—
Not used. (Open)
77
X1A
—
Sub-clock connect pin Not used in this set. (Open)
78
X0A
—
Sub-clock connect pin Not used in this set. (Connect to Vss.)
79
VSS
—
Ground pin
80
X0
I
Main-clock connect pin (12 MHz)
81
X1
O
Main-clock connect pin (12 MHz)
82
VCC
—
Power supply pin (+3.3 V)
83
XWD
I
Not used in this set. (Open)
84
XINIT3
I
Not used in this set. (Open)
85
NC
—
Not used. (Open)
86
XSJIG
I
Not used in this set. (Open)
87 to 89
XINIT0 to 2
I
Not used in this set. (Open)
90 to 96
NC
—
Not used. (Open)
97
XDES
I
Mode select pin
98
XLINE
I
Not used in this set. (Open)
99, 100
NC
—
Not used. (Open)
Click on the first or last page to see other CDX-GT30RN service manuals if exist.