Sony SCD-XE600 Service Manual ▷ View online
25
SCD-XE600
• IC Pin Function Description
MAIN BOARD IC705 HD6432238RN57TEV (MASTER CONTROL)
Pin No.
Pin Name
I/O
Description
1
SDATA_DAC
O
Serial data output to the D/A converter
2
SCLK_DAC
O
Serial data transfer clock signal output to the D/A converter
3
SLATR_DAC
O
Serial data latch pulse output to the D/A converter
4 to 11
CD0 to CD7
I/O
Two-way data bus with the DSP
12
CVCC
–
Power supply terminal (+3.3V)
13
CA0
O
Address signal output to the DSP
14
VSS0
–
Ground terminal
15 to 22
CA1 to CA8
O
Address signal output to the DSP
23, 24
PB1, PB2
O
Not used
25
LOAD_S0
I
Loading in switch input terminal
26
LOAD_S2
I
Detection signal input for disc tray open Not used
27
LOAD_S1
I
Loading out switch input terminal
28
TSENS
I
Not used
29
DSENS
I
Disc in detection signal input terminal Not used
30
TRAY_IN
O
Control signal for loading motor drive
31
RS232CTx
O
Not used
32
RS232CRx
I
Not used
33
TRAY_OUT
O
Control signal for loading motor drive
34
P10
O
Not used
35
DRV_ON
O
Stop signal output for the sled motor and focus/tracking coil
36
SP_ON
O
Stop signal output for the spindle motor
37
P13
O
Not used
38
XLDON
O
Laser diode on/off control signal output to the RF amplifier
39, 40
TRMP, TRMM
O
Tray motor control signal output terminal Not used
41
P17
O
Not used
42
AVSS
–
Ground terminal
43
DIAG
I
Not used
44
P96
I
Not used
45 to 50
P47 to 42
I
Not used
51
MODEL
I
Setting terminal for model discrimination
52
JIT
I
Jitter value input from the DSP
53
VREF
I
Reference voltage input terminal
54
AVCC
–
Power supply terminal (+3.3V)
55, 56
MD0, MD1
I
Setting terminal for the CPU operational mode
57
OSC2
O
Sub system clock output terminal Not used
58
OSC1
I
Sub system clock input terminal Not used
System reset signal input from the reset signal generator “L”: reset
59
XRES
I
For several hundreds msec. after the power supply rises, “L” is input, then it
changes to “H”
60
XNMI
I
Non-maskable interrupt signal input terminal Not used
61
XSTBY
I
Standby on/off control signal input terminal Not used
62
VCC
–
Power supply terminal (+3.3V)
63
XTAL
–
System clock terminal (12.5 MHz) Not used
64
VSS1
–
Ground terminal
65
EXTAL
I
System clock input terminal (11.2896 MHz)
66
FWE
I
Write enable signal input for flash memory Not used
67
MD2
I
Setting terminal for the CPU operational mode
68
PF7
I
Not used
26
SCD-XE600
Pin No.
Pin Name
I/O
Description
70
XRD
O
Data read strobe signal output to the DSP
71
XWR
O
Write strobe signal output to the DSP
72
XWRST
O
Reset signal output to the DSP
73
XWAIT
I
Wait request signal input for bus cycle
74
SMUTE
O
Muting on/off control signal output to the DSP
75
EPR/B
I
Read/busy signal input from the EEPROM
76
XEPCS
O
Chip select signal output to the EEPROM
77
XEWC
O
WC signal output to the EEPROM
78
P32
O
Not used
79
EEPSO
O
Serial data output to the EEPROM
80
EEPSI
I
Serial data input from the EEPROM
81
EEPSCK
O
Serial data transfer clock signal output to the EEPROM
82
P36
O
Not used
83
IFSO
O
Serial data output to the display controller
84
IFSI
I
Serial data input from the display controller
85
IFSC
O
Serial data transfer clock signal output to the display controller
86
P74
O
Not used
87
XCS
O
Chip select signal output to the display controller
88 to 90
P72 to P70
I
Not used
91
XIFINT
I
Busy signal input from the display controller
92
XINT0
I
Interrupt request signal input from the DSP
93
PG2
I
Not used
94
MZR
I
Zero data (R-CH) flag detection signal input from the D/A converter
95
MZL
I
Zero data (L-CH) flag detection signal input from the D/A converter
96
XIFCS
O
Chip select signal output to the display controller
97
R_MUTE
O
Muting on/off control signal output terminal
98
L_MUTE
O
Muting on/off control signal output terminal
99
INIT_DAC
O
Not used
100
M/2
O
Muting on/off control signal output terminal
27
SCD-XE600
Pin No.
Pin Name
I/O
Description
1
VDD1
–
Power supply terminal (+3.3V)
2
VSS1
–
Ground terminal
3
X1
I
System clock input terminal (5 MHz)
4
X2
O
System clock output terminal (5 MHz)
5
IC
–
Not used
System reset signal input from the reset signal generator “L”: reset
6
RESET
I
For several hundreds msec. after the power supply rises, “L” is input, then it
changes to “H”
7
P27/SCK1
I
Serial data transfer clock signal input from the master controller
8
P26/SI1
I
Serial data input from the master controller
9
P25/SO1
O
Serial data output to the master controller
10
P24/BUSY
I/O
Not used
11
P23
O
LED drive signal output terminal
12
ACK P22
O
Busy signal output to the master controller
13
P21/SO3
I/O
Not used
14
SCK3
I/O
Not used
15
REC P00/INTP0
I
Chip select signal input from the master controller
16
P01/INTP1
I/O
Not used
17
SIRCS P02/TI
I
SIRCS signal input terminal
18
AVSS
–
Ground terminal
19 to 21
ANI3 to ANI1
I
Front panel keys input terminal (A/D input)
22
ANI0
I
Key input terminal (A/D input) Not used
23
VSS0
–
Ground terminal
24
AVDD
–
Power supply terminal (+3.3V)
25
VDD0
–
Power supply terminal (+3.3V)
26
TEST FIP52
I/O
Test mode setting terminal “L”: test mode, normally fixed at “H”
27 to 44
FIP51 to FIP34
I/O
Not used
45 to 58
FIP33 to FIP20
O
Segments drive signal output to the fluorescent indicator tube
59
VDD2
–
Power supply terminal (+3.3V)
60
VLOAD
–
Pull down resistor connection terminal of VFD controller and driver
61 to 64
FIP19 to FIP16
O
Segments drive signal output to the fluorescent indicator tube
65 to 80
FIP15 to FIP0
O
Grid drive signal output to the fluorescent indicator tube
DISPLAY BOARD IC801
µ
PD780232GC-706-8BT (DISPLAY CONTROLLER)
28
SCD-XE600
6-1. MAIN SECTION
SECTION 6
EXPLODED VIEWS
The components identified by
mark 0 or dotted line with mark
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
Replace only with part number
specified.
• Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
delay should be anticipated when ordering
these items.
• The mechanical parts with no reference num-
ber in the exploded views are not supplied.
• Accessories are given in the last of the elec-
trical parts list.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
4-255-243-21 PANEL LOADING
2
3-363-099-11 SCREW (CASE 3 TP2)
3
4-232-580-91 CASE (408226)
4
1-862-181-11 PT BOARD
* 5
3-703-244-00 BUSHING (2104), CORD
0 6
1-827-597-11 CORD, POWER
* 7
4-954-051-51 HOLDER, PC BOARD
8
A-4752-595-A MAIN BOARD, COMPLETE
9
X-2022-049-1 FOOT ASSY
10
3-077-331-01 +BV3 (3-CR)
11
1-829-172-11 WIRE (FLAT TYPE) (31 CORE)
12
1-828-333-11 WIRE (FLAT TYPE) (13 CORE)
0 T101
1-443-403-11 TRANSFORMER, POWER
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color Cabinet's Color
8
7
6
not supplied
not supplied
T101
front panel section
CD mechanism deck
section
(CDM66D-DVBU50)
section
(CDM66D-DVBU50)
1
3
2
2
11
12
4
5
9
#1
#1
#1
#1
#1
10
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