NAD 5240 Service Manual page 11

Minus power supply terminal.
Plus power supply terminal.
Ground terminal for TC9154P.
L and R are
symmetrical.
10 dB step attenuator output.
Signal applied to IN is attenuated from 0 dB to —60 GB in
7 steps (1 step = 10 dB).
OUT1
10 dB step attenuator input.
IN4
AC ground terminal.
A-GND
2 dB step attenuator input.
IN2
2 dB step attenuator output.
Signal applied to IN is attenuated from 0 dB to 8 dB in
2 dB step.
Strobe input terminal.
Attenuation and channel selection signal entered through DATA,
CK terminals are latched by setting this terminal! to 'H" level.
Previous data remains as long as the terminal is ''H"' level.
| 2 3 4 i6 I7 18
OEY Gl) C6 i Glam
ST
Clock input terminal to read-in data entered DATA terminal.
Attenuation and channel selection data input terminal.
Accepts CK signal consisting of 18 bits.
TD6720N
Veca
Voce
BCK
Veco
DATA
NC
LRCK
SCK
GND
. ECL- LOGIC
0
Xp Pes hk
Xn
Voce
VEEA
VEEA
Veca VcecE 8CK Vccp DATA NC LRCK SCK GND XQ9 Xp XN YCCE VEEA VEEA
9