Aiwa HV-FX7800 Service Manual page 39

IC DESCRIPTION -2/3 (MSP3417D-QG) -1/1
Pin No. Pin Name
1 AVSUP
2 ANA IN+
3 ANA IN-
4 TESTEN
5 XTAL IN
6 XTAL OUT
7 TP
8 D CTR OUT1
9 D CTR OUT0
10 ADR SEL
11 STANDBYQ
2
12 I C CL
2
13 I C DA
14 ~ 18 TP
19 DVSUP
20 DVSS
21 TP
22 RESETQ
23, 24 TP
25 VREF2
26 DACM R
27 DACM L
28 TP
29 VREF1
30 SC1 OUT R
31 SC1 OUT L
32 NC
33 AHVSUP
34 CAPL M
35 AHVSS
36 AGNDC
37 ~39 NC
40 SC1 IN L
41 SC1 IN R
42 VREFTOP
43 MONO IN
44 AVSS
I/O
– Analog power supply +5 V
I IF inputt
I CTL(+) input/output
– Test pin
I Crystal oscillator
0 Crystal oscillator
– Test pin
– Digital control output 1 (Not connected)
– Digital control output 0 (Not connected)
2
– I C bus address select
I Standby (low-active)
2
I/O I C clock
2
I/O I C data
– Test pin
– Digital power supply +5 V
– Digital ground
– Test pin
– Power pri reset
– Test pin
– Reference ground 2 high voltage part
– Loudspeaker out, right (Not connected)
I Loudspeaker out, left (Not connected)
– Test pin
– Reference ground 1 high voltage part
O Scart output 1, right
O Scart output 1, left
– Not connected
– Analog power supply 8.0 V
– Volume capacitor MAIN (Not connected)
– Analog ground
– Analog reference voltage high voltage part
– Not connected
– Scart input 1 in, left (Not connected)
– Scart input 1 in, right (Not connected)
– Reference voltage IF A/D converter
I Mono input
– Analog ground
Description
-39-