Panasonic KX-FLB758RU Service Manual page 170

KX-FLB758RU
7.3.5. ANALOG SECTION
7.3.5.1. ANALOG GATE ARRAY (IC201 on the Digital Board))
This IC can perform signal route switching and level adjustments for various types of analog signals.
This IC incorporates a cross-point switch (CPS), an electronic volume.
The CPS of this IC is controlled by sending data from digital ASIC.
Explanation of ANALOG GATE ARRAY (IC201 on the DIGITAL Board)
No. Name
1 STR
2 CLOCK
3 DATA
4 VDD
5 VOXOUT
6 VOXDET
7 VOXIN
8 VSS
9 NC
10 ROUT2
11 ROUT1
12 RIN
13 VCC
14 HSMICIN1
15 HSMICIN2
16 HSMICOUT
17 NC
18 NC
Function
Strobe input
Clock input
Data input
Logic power supply
VOX output
VOX detection adjustment
VOX input
Logic ground
Not used
HS receiver amp output 2
HS receiver amp output 1
HS receiver amp input
Analog ground
HS mic amp input 1
HS mic amp input 2
HS mic amp output
Not used
Not used
No. Name
19 NC
20 EXTIN
21 EXTOUT
22 LINEOUT
23 LINEIN
24 MODEMTXIN
25 MODEMTXOUT MODEM TX amp output
26 NC
27 TONEIN
28 NC
29 NC
30 GND
31 MODEMRXOUT MODEM RX amp output
32 VLIN
33 VREF
34 VLOUT
35 SPOUT
36 SPIN
170
Function
Not used
Ext amp output
Ext amp input
Line amp output
Line amp input
MODEM TX amp input
Not used
Tone amp input
Not used
Not used
Analog ground
Volume amp input
Reference voltage output
Volume amp output
Speaker amp output
Speaker amp input