Sony HCD-C70 - Section5; IC Pinfunctions

SECTION 5
IC PIN FUNCTIONS
e 1C701 TUNER/TIMER CONTROLLER (TMP87CC70F-6129)
The terminals work to control tuner section (IC21, 51), FL tube display and reading and writing of I1C702 (preset data), etc. according
to key input and signal from the remote controller.
HOLD detecting interrupt terminal
(e)
HOLD
HOLD RESET
y
IF NGOUT
LED (TUNING)
LED (PRESET)
AUB IN
GN
AUB OUT
D
AUDIO BUS output
3
a
|
10 XT IN
il XT OUT
12 RESET
13 XIN
14 X OUT
a
— >
— | nin
<
op) ~~
Not in use
PLL serial clock output
PLL serial data input
17, 18
@) Nn
m QO
N
oO —
:
25 FM/AM
26 SUB SEL
27 DUAL IND
28 MONO
29 MUTE OUT
30 SIGNAL IN
31 STEREO IN
32 SIRCS IN
L
L
Ww WwW
34 ~ 40
41-49
50-59
60 - 65
H FL tube digit output
G8 — GO
S0-S9 H FL tube segment output
oO 0
CN
| Kevow SSCS
67-71 KIO - KI4
73,74
75-78 | KO3-KOO
79 SDA
NPN TNT d&
“I
NS)
ili |
xz A