Sony XES-Z50 Service Manual page 73

QQ
3 7 63 1515 0
Pin No. Pin Name
79 DIR-ERR
80 EMP-IN
81 VOLMAX
82 DSP-BUSY
83 DSP-PLL
84 BU-IN
85 DSP-SI
86 AVSS
87 BUS-ON
88 2711-CE
89 FROM-CE2
90 FROM-CE1
91 BOOT
92 VSS
93 LINKOFF1
94 TEND
95 LINKOFF2
96 LINKOFF3
TE
L 13942296513
97 VOLCE0
98 VOLCE1
99 VOLCE2
100 A20
www
.
http://www.xiaoyu163.com
I/O
PLL unlock error detection signal input from the digital audio interface receiver (IC502)
I
"H": error
Emphasis detection signal input from the digital signal processor (IC501 CXD2540Q) and
I
digital audio interface receiver (IC502) "H": emphasis on
I Input terminal for the test mode Not used (fixed at "L")
I
Input of busy signal at serial data transfer from the digital signal processor (IC601 CXD2710R)
I
Not used (fixed at "L")
I Backup power supply detection signal input terminal (used also to reset standby)
I Serial data input from the digital signal processor (IC601 CXD2710R)
—
Ground terminal (for A/D conversion)
Bus on/off control signal input from the bus interface (IC306) (for SONY bus) "L": bus on
I
With the bus in off status, standby is cancelled by bus on falling edge
O Chip enable signal output to the digital signal processor (IC101, 201 CXD2711Q)
O Chip enable signal output to the flash memory (IC401, 402)
O Chip enable signal output to the flash memory (IC401, 402)
Input of forced boot mode detection At the reset, if "H" is entered, the boot mode is forcibly
I
activated
—
Ground terminal
O
Bus on/off control signal output to the bus interface (IC951) (for SONY bus) "L": bus on
O
Not used (open)
O Bus on/off control signal output for the AUX bus control "L": bus on
O
Bus on/off control signal output terminal "L": bus on Not used (open)
O
Chip enable signal output to the electrical volume (IC1106) (for front speaker)
O
Chip enable signal output to the electrical volume (IC1206) (for rear speaker)
O Chip enable signal output to the electrical volume (IC1306) (for sub-woofer speaker)
Address signal output to the flash memory (IC401, 402), and control/data output to the digital
O
signal processor (IC101, 201 CXD2711Q)
x ao u163
y
i
http://www.xiaoyu163.com
2 9
8
Function
Q Q
3 6 7 1 3 1 5
co
.
– 73 –
9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
9 9