Aiwa 6ZG-1 Service Manual page 18

Pin No. Pin Name
39 EFLG
40 TEST
41 EMPH
42 MUTEL
43 MUTER
44 LVDD
45 LCHO
46 LVSS
47 RVSS
48 RCHO
49 RVDD
50 XVDD
51 XIN
52 XOUT
53 XVSS
54 ASLRCK
55 ASDACK
56 ASDFIN
57 LRSY
58 DATACK
59 DATA
60 16M
61 SFSY
62 SBSY
63 PW
64 SBCK
65 CE
66 CL
67 DI
68 DO
69 INT
70 WRQ
71 RES
72 DRF
73 VDD5V
74 VSS
75 CONT6
76 CONT7
77 V/P
I/O
O C1, C2 error correction monitor pin. (Not connected)
I Test input pin. (Connected to GND)
Emphasis pin. Which becomes an input pin after reset and can be controlled externally.
I/O
This becomes an emphasis monitor pin under control by command. (Not connected)
O L channel mute output pin. (Not connected)
O R channel mute output pin. (Not connected)
— L channel power supply pin.
O L channel output pin.
— L channel ground pin.
— R channel ground pin.
O R channel output pin.
— R channel power supply pin.
— Crystal oscillator power supply pin.
I
Connections for a 16.9344MHz crystal oscillator pin.
O
— Crystal oscillator ground pin.
I L/R clock input pin. (Connected to GND)
I Bit clock input pin. (Connected to GND)
I L/R channel data input pin. (Connected to GND)
O L/R clock output pin. (Not connected)
O Bit clock output pin. (Not connected)
O L/R channel data output pin. (Not connected)
O 16.9344MHz output pin. (Not connected)
Subcode frame synchronization signal output pin. This signal falls when the subcode is
O
in the standby state. (Not connected)
O Subcode clock synchronization signal output pin. (Not connected)
O Subcode P, Q, R, S, T, U and W output pin. (Not connected)
I Subcode readout clock input pin. (Connected to GND)
I Chip enable signal input pin.
I Data transfer clock input pin.
I Data input pin.
O Data output pin.
O Interruption signal output pin. (Not connected)
O Interruption signal output pin.
I Reset input pin. This pin must be set low briefly after power is first applied.
O Focus ON detect pin.
— Microprocessor interface power supply.
— Digital ground pin.
I/O General-purpose input/output pin 6. (Not connected)
I/O General-purpose input/output pin 7. (Not connected)
Rough servo/phase control automatic switching monitor output pin.
O
"H" for rough servo and "L" for phase servo. (Not connected)
22
Description