Read Panasonic KX-T7436C / KX-T7436C-B Service Manual online
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KX-T7436C/KX-T7436C-B
OP0
13
3 states
output
output
Output port
Outputs BIT0 signal of OPORT1 resistor.
OP1
14
Outputs BIT1 signal of OPORT1 resistor.
D5V1
15
---
Power
Supply, etc.
Supply, etc.
5V power supply terminal of digital circuit.
OP2
16
3 states
output
output
Output port
Outputs BIT2 signal of OPORT1 resistor.
OP3
17
Outputs BIT3 signal of OPORT1 resistor.
OP4
18
Outputs BIT4 signal of OPORT1 resistor.
RXD
19
Outputs BIT5 signal of OPORT1 resistor.
TXD
20
Outputs BIT6 signal of OPORT1 resistor.
–FSYNC
21
Outputs BIT7 signal of OPORT1 resistor.
BCLK
22
TTL
input
input
Input terminal for PCM data
MCLK
23
Output
Output terminal for PCM data
CLKO
24
TTL
input
Input terminal of Sync. signal for PCM interface. The frequency of input sync.
signal is 8 kHz.
signal is 8 kHz.
DG2
25
Input terminal of shift clock pulse for PCM data. Input pulse frequency
range is 64 kHz~2.048 MHz.
PCM data (TXD terminal signal) is output at the positive edge.
PCM data (RXD terminal signal) is sampled at the negative edge.
The sampling is performed inside LSI.
range is 64 kHz~2.048 MHz.
PCM data (TXD terminal signal) is output at the positive edge.
PCM data (RXD terminal signal) is sampled at the negative edge.
The sampling is performed inside LSI.
OSCI
26
Clock pulse output terminal. Output pulse frequency is 6.144MHz.
System reset (inputting "0" to –RESET terminal) doesn't stop this output.
System reset (inputting "0" to –RESET terminal) doesn't stop this output.
OSCO
27
Output
PCM
interface
interface
Clock pulse output terminal which has selective frequencies.
The following 4 frequencies can be selected by resistor setting:
The following 4 frequencies can be selected by resistor setting:
12.228, 4.096, 2.048, 1.536 (MHz)
System reset (inputting "0" to –RESET terminal) selects the frequency of
1.536MHz and doesn't stop this output.
1.536MHz and doesn't stop this output.
D5V2
28
---
Clock
Ground terminal of digital circuit.
–INT
29
---
Clock
Power
supply, etc.
supply, etc.
Input terminal of oscillation circuit.
Connect the oscillator and resistor between this terminal and pin 30(OSCO),
moreover, connect the capacitor between this terminal and digital ground to
make the oscillation circuit.
Connect the oscillator and resistor between this terminal and pin 30(OSCO),
moreover, connect the capacitor between this terminal and digital ground to
make the oscillation circuit.
TEST
30
---
Output terminal of oscillation circuit.
Connect the oscillator and resistor between this terminal and pin 29 (OSCI),
moreover, connect the capacitor between this terminal and digital ground to
make the oscillation circuit.
Connect the oscillator and resistor between this terminal and pin 29 (OSCI),
moreover, connect the capacitor between this terminal and digital ground to
make the oscillation circuit.
A5V3
31
---
Power
supply, etc.
supply, etc.
5V power supply terminal of digital circuit.
HI
VBB
44
Output
Micro-
computer
interface
computer
interface
Outputs 8 kHz clock pulse which is synchronized with –FSYNC.
OP5
45
CMOS
input
input
Power
supply, etc.
supply, etc.
Test terminal
Connect to the digital ground.
Connect to the digital ground.
OP6
46
---
5V power supply terminal of analog circuit.
OP7
47
Analog
input
input
Analog
Input terminal of TX handset signal.
Either this signal or the signal supplied to pin 49 (HI) is input to AD converter.
Either this signal or the signal supplied to pin 49 (HI) is input to AD converter.
48
---
Power
supply, etc.
supply, etc.
Reference voltage terminal of AD converter.
Connect the capacitor of 10
Connect the capacitor of 10
µ
F between VBB terminal and pin 50 (AG3).
Name
NO.
I/O
Classification
Function
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