Analog/Key/Led Block - Panasonic KX-NT265X Service Manual

17.3. ANALOG/KEY/LED block

8.8 LED CIRCUIT
(13)
D3.3V
IC13
D3.3V
1 VSS 20
VDD
C200
DG 2 DATA 19
SP_DATA Z0.1u
OE_B
DG
3 CLOCK 18
SP_CLK
Q11
4 LCK 17
SP_LCK
Q10
5 Q0 16
Q9
6 Q1 15
Q8
DG
7 Q2 14
Q7
8 Q3 13
NC13
9 Q4 12
NC12
10 Q5 11
Q6
1
LED_CO2_R
5
2
3
LED_CO1_R
4
DG
Q2
R249 100
R250
5
R251
1
LED_CO2_G
R252
2
3
LED_CO1_G
4
DG
Q3
LED_MES_R
1
LED_ICM
2
3
LED_DIAL
DG
1
LED_ANS
2
3
LED_SP
DG
KEY_IN[5-0]
CO7 CO5
CO6
KEY_OUT[5-0]
SW1 SW6 SW11
KEY_OUT[4]
CO8
PROGRAM TRANS
SW2 SW7
SW12
KEY_OUT[3]
AUTODIAL UP
MESSAGE
SW3 SW8 SW9
KEY_OUT[2]
INTERCOM
AUTOANS DOWN
SW14 SW13
SW4
KEY_OUT[1]
SP_PHONE REDIAL
SW25
SW10
KEY_OUT[0]
HOOK
B0 B1
SW5
KEY_OUT[5]
8.7 KEY INPUT CONTROL CIRCUIT
DG
D3.3V
R 8.6
LED6 LED_C008
G
D3.3V
R
LED7 LED_C007
G
D3.3V
R
LED8 LED_C006
G
D3.3V
R
LED9 LED_C005
G
D3.3V
R
LED10 LED_C004
G
D3.3V
R
LED11 LED_C003
(IC1-pin112)
G
D3.3V HS_IN
R
LED_C002
LED12
100
150
150
G
D3.3V
R
LED_C001
LED13
G D3.3V
LED4
R202
Q7
C
LED_MESSAGE_R
B
180
(IC1-pin116)
E
DG
D3.3V SP_OUT
LED1
R203
5
LED_INTERCOM
GREEN
180
D3.3V
LED3
R204
4 RED
LED_AUTODIAL
1.2k D3.3V
Q4 LED2
R205
5
LED_AUTOANS
RED
1.2k
D3.3V
LED5
R206
4
LED_SPPHONE
RED
1k
Q5
CO3 CO2
CO4 CO1
SW16 SW21 SW26 SW30
A4
3 6 9
#
SW17 SW22 SW27 SW31
A3
2 5
8 0
SW18 SW23
SW28 SW32
A2
1 4 7
*
SW19 SW24 SW29 SW33 (IC1-pin113)
A1
MIC_IN
FLASH HOLD
SW15 SW20
A0
B2 B3 B4 B5
ANALOG CIRCUIT
(IC1-pin115) C222
R221
2200p
R214 15k
HS_OUT
0
R223
C217 15k
1000p
AG
A3.3V
R212
10k
C215 A3.3V
NC
R211 C210
R213 C223
MUTE_SP1
10k NC AG
10k K0.01u
R222
0 AG
AG R220
HSOUTNS
0 C220 C221
NC NC
Handset
Transmission Signal
A3.3V
C205
R209 IC16 C226
2200p 15k K0.01u
C201
8
1
VCC
COM
K0.1u 7
R208 2
INH Y0
A3.3V 15k AG
C203
3 GND3 6
K0.01u C207 Y1
1000p
5
4
GND4 A
AG AG
AG
MIC_SW
C206
1000p
AG
R216
15k
C211
2200p
R219
15k
R229
68k
SpeakerPhone
Reception Signal C228 C229
330p
2200p
C218
R226
C258
Vo1
4 -IN
C260
K0.047u 10k 5 33p
k0.01u AG
VDD
3 +IN
C230
AG 6
C225
GND K0.01u
Z0.1u
2 BYPASS
7
AG
AG
Vo2
MUTE_SP0
1 SHUTDOWN
8 C257 C231
IC11 33p 330p
AG AG
A3.3V
SpeakerPhone
R227
Transmission Signal 1k
C224
R228
Z22u
2.2k
R215 R217 C216
AG
C227
330k 12k K0.047u
1000p
A3.3V
C212
A3.3V AG
R224
100p
20k
C214
R225
Z10u 10k
AG
AG AG
C213
1000p
AG
R207
15k
C204 R210
C202
2200p 15k
K0.1u
KX-NT265XKX-NT265X-B ANALOG/KEY/LED block
C261
Z0.1u
AG DG
Handset
R240 Reception Signal
C235 R234 12k
C246
10k K10u
K0.047u
C242
C238
Z0.1u
4700p
AG
A3.3V
C245
K0.01u
C241
2200p
AG
C236 R233 C247
K0.022u 10k K1u
R237
Headset 20k
Reception Signal
A3.3V
R242
1k
C248
R243
Z22u
1k
R231 R235 C239
AG
K0.047u
180k 10k
C234
A3.3V
R241
C232 560p C244
10k
K0.01u
C237 R236
R244
K0.047u
NC
180k 1k
AG A3.3V
R238 AG
R247
20k
560
A3.3V
C243
R239
Z10u
10k
R245
L204
1.8k
C233
AG AG C250
C249
R246 Z22u 1000p
470p
2.2k
R232 C240 AG
AG
K0.1u L205 R256
R230 10k
C251
150k Headset
1000p 0
Transmission Signal
AG
AG
CN4
L201 SP3P
1
L202 to SP
2
SP3M
D3.3V A3.3V
L203
C259
3.3
Z0.1u
C256
100u/6.3V
AG
CN3
MIC3
1
to MIC
2
AG3
D3.3V
L200
3.3(1/4W)
C255
C208
330u/4V K0.01u
DG
On using
the speaker phone
R248
150
Q8
C
R253
B
MUTE_SP2
2.7k
E
AG
MIC1-
L207
1 1
C252 L211
K0.01u
2 2
L208
AG SP1
AG
3 3
L206
C254
4 4
C253 1000p
MIC1+
K0.01u
AG JK3
AG
R255 SP2
1
1 4
5
4
2 3
3
2
3 2
MIC2
4 1 JK2
R254
CN6 CN7
HANDSET
HANDSET
HEADSET
HEADSET
SP PHONE
SP PHONE
A3.3V
A3.3V
L214NC
L209 L210NC
AG DG
AG_2