Teac PD-H500C, Service Manual

Page: 5 / 17

SERVICE MANUAL
5
PIN No. NAME I/O FUNCTIONAL DESCRIPTION REMARKS
DMOUT
CKSE
DACT
TESIN
TESIO1
V
SS
PXI
PXO
V
DD
XV
SS
XI
XO
XV
DD
DV
SR
RO
DV
DD
DVR
LO
DV
SL
TEST1
TEST2
TEST3
BUS0
BUS1
BUS2
BUS3
V
DD
V
SS
BUCK
CCE
TEST4
TSMOD
RST
With pull-up resistor.
With pull-up resistor.
With pull-up resistor.
Analog input.
Analog input.
-
-
-
-
-
-
-
-
-
-
-
-
-
With pull-up resistor.
With pull-up resistor.
With pull-up resistor.
Schmit input.
With pull-up resistor.
-
-
Schmit input.
Schmit input.
With pull-up resistor.
With pull-up resistor.
With pull-up resistor.
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
This terminal controls IO0~IO3 terminal.
At “L” level time, IO0, 1 out feed equalizer signal of
2-state PWM. IO2, 3 out disk equalizer signal of 2-state
PWM.
Normally, keep at open.
DAC test mode terminal. Normally, keep at open.
Test input terminal. Normally, keep at “L” level.
Test input/output terminal. Normally, keep at “L” level.
Digital GND terminal.
Crystal oscillator connecting input terminal for DSP.
Normally, keep at “L” level.
Crystal oscillator connecting output terminal for DSP.
Digital power supply voltage terminal.
Oscillator GND terminal for system clock.
Crystal oscillator connecting input terminal for system
clock.
Crystal oscillator connecting output terminal for sys-
tem clock.
Oscillator power supply voltage terminal for system
clock.
Analog GND terminal for DA converter. (R-ch)
R channel data forward output terminal.
Analog supply voltage terminal for DA converter.
Reference voltage terminal for DA converter.
L channel data forward output terminal.
Analog GND terminal for DA converter. (L-ch)
Test mode terminal. Normal, keep at open.
Test mode terminal. Normal, keep at open.
Test mode terminal. Normal, keep at open.
Micom interface data input/output terminal.
Digital Ppower supply voltage terminal.
Digital GND terminal.
Micom interface clock input terminal.
Command and data sending/receiving chip enable sig-
nal input terminal. The bus
line becomes active at “L” level.
Test mode terminal. Normal, keep at open.
Local test mode selection terminal.
Reset signal input terminal. Reset at “L” level.
I
I
I
I
I
-
I
O
-
-
I
O
-
-
O
-
-
O
-
I
I
I
I/O
I/O
I/O
I/O
-
-
I
I
I
I
I