Diagrams; Explanation Of Ic Terminals - Sony ICF-SW07 Service Manual

5-1. EXPLANATION OF IC TERMINALS

IC402 µPD17072GB-556-1A7 (PLL SYNTHESIZER CONTROL)
Pin No. Pin name
1 ROD/BAR
2 AM/FM
3 ENV/PSN
4 SSB/SYNC
5 L/U
6 BAND0
7 BAND1
8 BAND2
9 BAND3
10 – 13 –––––
14 DA0
15 DA1
16 DA2
17 DA3
18 GND
19 EO
20 VCOL
21 VCOH
22 REGO
23 VDD
24 XOUT
25 XIN
26 REG1
27 – 49 –––––
50 CE
51 REQ
52 PLL-CTL
53 UNLOCK
54 ACK
55 SCK
56 SI
SECTION 5

DIAGRAMS

I/O
O ROD/BAR antenna select output. "H" : BAR, "L" : ROD
O AM/FM select output. "H" : AM, "L" : FM
O ENV/PSN select output. "H" : ENV, "L" : PSN
O SSB/SYNC select output. "H" : SSBR, "L" : SYNC
O USB/LSB select output.
O Meter band select output.
O Meter band select output.
O Meter band select output.
O Meter band select output.
– Not used (OPEN).
I/O DA signal in/out terminal.
I/O DA signal in/out terminal.
I/O DA signal in/out terminal.
I/O DA signal in/out terminal.
– Ground terminal.
O PLL charge pump output.
I MF, HF input terminal.
I VHF input terminal.
O Regurator output for PLL.
– Power supply terminal.
O Osillator output terminal (75kHz).
I Osillator input terminal (75kHz).
O Regurator output for oscillator.
– Not used (OPEN).
I Chip enable input.
I PLL request signal input.
O PLL control output.
O PLL unlock signal output.
O Clock signal ouput for system control (IC501).
O Clock signal ouput for sub system control (IC502).
I Data signal input for sub system control (IC502).
– 34 –
Description