Pioneer M-F10 Service Manual page 27

7.2 IC
M62421FP (IC3021: AMP ASSY)
Digital Sound Controller built-in Tone Control
Pin Assignment (Top View)
Pin Function
No. Name I/O
1 REF I Standard voltage input terminal
2 CH1IN I Signal input terminal for channel 1
3 SIMIN1 I
Capacitor installation terminal for Simulated inductor 1
4 SIMOUT1 O
5 BASS1 I Capacitor installation terminal for Bass adjustment
of channel 1 side
6 TRE1 I Capacitor installation terminal for Treble
adjustment of channel 1 side
7 OUT1 O Signal output terminal after volume is controlled of
channel 1 side
8 DGND –– Ground terminal for digital circuit
9 DAT I Input/Output terminal for control data
10 CLK I Clock input terminal for serial data transfer
Block Diagram
Description
¶ The information shown in the list is basic information and may not
correspond exactly to that shown in the schematic diagrams.
No. Name I/O
11 CS I Chip select signal terminal
12 DVDD –– Power supply terminal for digital circuit
13 AGND –– Ground terminal for analog circuit
14 OUT2 O Signal output terminal after volume is controlled of
channel 2 side
15 TRE2 I Capacitor installation terminal for Treble
adjustment of channel 2 side
16 BASS2 I Capacitor installation terminal for Bass adjustment
of channel 2 side
17 SIMOUT2 O
Capacitor installation terminal for Simulated inductor 2
18 SIMIN2 I
19 CH2IN I Signal input terminal for channel 2
20 AVDD –– Power supply terminal for analog circuit
M-F10
Description
27