28
40
O-RCH
O
Rch output.
41
RVDD
Rch power supply.
42
MUTE-R
O
Rch muting output. (Not used)
43
XVDD
Power supply of crystal oscillator.
44
XOUT
O
For the connection of a 16.934MHz crystal oscillator.
45
XIN
I
46
XVSS
Ground of crystal oscillator. Normally 0V.
47
SBSY
O
Subcode block sync signal output. (Not used)
48
EFLG
O
C1, C2, single, duplex correction monitor. (Not used)
49
PW
O
Output of subcodes P, Q, R, S, T, U and W. (Not used)
50
SFSY
O
Subcode frame sync signal output. Falls when the subcode is set to the standby state. (No used)
51
SBCK
I
Subcode read-out clock input. Schmitt trigger input. ("L" is applied when not used.)
(Connected to 0V)
52
FSX
O
7.35kHz sync signal output obtained by dividing the oscillator frequency. (Not used)
53
WRQ
O
Subcode Q standby output.
54
RWC
I
Read/write control input. Schmitt trigger input.
55
SQOUT
O
Subcode Q output.
56
COIN
I
Command input from the microprocessor.
57
CQCK
I
Command input retrieval clock or subcode retrieval clock input from SQOUT. Schmitt trigger
input.
58
RES
I
LC78622NE reset input.
59
T11
O
Test output. Set to open (normally "L" output.) (Not used)
60
16M
O
16.9344MHz output. (Not used)
61
4.2M
O
4.236MHz output.
62
T5
I
Test input. A pull-down resistor is incorporated. (Connected to 0V)
63
CS
I
Chip select input. (Connected to 0V)
64
T1
I
Test input with no pull-down resistor. (Connected to 0V)
I/O
Description
Pin No.
Pin Name
All manuals and user guides at all-guides.com
Summary of Contents for XR-EM70
Page 13: ...13 SCHEMATIC DIAGRAM 2 MAIN 2 2 AMP SECTION All manuals and user guides at all guides com...
Page 18: ...18 SCHEMATIC DIAGRAM 4 CD CD DRIVE CD LOAD All manuals and user guides at all guides com...
Page 20: ...20 SCHEMATIC DIAGRAM 5 TUNER All manuals and user guides at all guides com...
Page 22: ...22 SCHEMATIC DIAGRAM 6 PT All manuals and user guides at all guides com...
Page 24: ...24 IC BLOCK DIAGRAM All manuals and user guides at all guides com...
Page 25: ...25 All manuals and user guides at all guides com...
