Panasonic KX-TG9333PK Service Manual page 85

(1)
*R431
(2)
(3)
(4)
C508
6.3V 10uF
R508 10
C503 K1.0
(5)
C594 NC
C526
K0.1
R505 NC
R506 NC
R507 NC
R509 100k
RX
TX
UART
R543 270k
(6)
C373 330u 6.3
C372 K1.0
(7)
(8)
(9)
(10)
(11)
*R436 1k
NC
*R433 1k *C433 K6800P
*R434 2.2k
R417 390
PDN
AVR, PDN_IC
IC371
ONOFF
NC
4 3
VSS
2
VIN
VOUT
5 1
NC L511
2.7V
2.7V 3.1V
DC/DC step-up circuit
3.0V 2.6~3.0V
IC372
L373
10uH
K A
3 4
VBAT1 VBAT2
S NC
2 5
F301
5.6n
G D
1 6
VSS1 VSS2
BATTP
1 5
EXT
VOUT
2 BATTN
VDD
3 4
VSS
ON/*OFF
3.1V
IC373
Charging detection
KX-TGA931 SCHEMATIC DIAGRAM (Handset_Main)
Voice circuit
SPPP
L431 NC
L432 NC
*L434
*C435
10uF
RA403
3 2
4 1
68
*R435 NC
C414
K6800P
RA401
3 2
4 1
1k
C415
RA402 K6800P
3 2
4 1
2.2k
IC374
2.0V_Reset
R374 220k
1 4
OUT
VSS
2 3
VDD
NC
R366
D361
R370
K A
1.2
R368
10k
Q364
Q362
R369
C C
B B
33k
E E
85
KX-TG9333PK/KX-TG9334PK//KX-TGA931T
TEST SIGNAL
FREQUENCY: 1kHz
SPPN
SP phone RX
(MIC Mute: ON)
1
+
1.8Vp-p/8
2
-
(Vol. Max)
SP_PHONE
Headset TX
50mVp-p/600
*CN431
1
2
3
4
5
HEADSET_JACK
Headset RX
170mVp-p/150
(Vol. Max)
SPP
RECEIVER
Handset RX
(MIC Mute: ON)
1
+
2
590mVp-p/150
-
(Vol. Max)
SPM
MICM MICM-1
MIC-TP
2
1
MIC
MIC-TP
MICP MICP-1
Handset TX
88mVp-p/600 IN
SP phone TX
30mVp-p/600 IN
Charging control circuit
3.3k
L351 NC
CHG1
Q361
R361 47k
L352 NC
CHG2
R363 47k
Q531
C R531 NC
B
E
NC: No Components
IN