Panasonic KX-TG5671BXS Service Manual page 101

(1)
(2)
R340 NC
C340 K0.1
(3)
(4)
(5)
(6)
26
SHCTRL
27
HEAD_DET
28
GND
29
VCC
30
SYN_LE1
31
(7)
SYN_CLK
32
SYN_DATA
33
RX_EN
34
TX_EN
35
RX_GAIN
36
RX_DATA
37
IC201
NC
(8)
38
CHG_DET
39
NC
40
NC
41
NC
42
NC
43
NC
44
DB4
45
DB5
46
DB6
(8)
47
DB7
48
GND
49
VCC
50
RESETB
(9)
(10)
CI
(11)
(12)
(13)
20ms
(14)
RST R227
R225 1k
X201
13.824MHZ
RS
R201 NC
C208
6.3V 10uF
100
SPPN
99
VCC
98
SPN
97
SPP
96
IBAT2
95
HSM
94
VCCA
93
GND
R208 10
92
MICBIAS
91
MIM
C303 K1.0
90
MIP
89
VREF
88
IBAT1
87
PDN
C304 NC
86
GND
85
EE_WP
84
C226
UART_RX
83
K0.1
UART_TX
82
EE_SDA
81
EE_SCL
80
CHG_CLT
79
FB
78
R205
KIN_5
77
KIN_4 R206
76
KIN_3 R207
R209
RX
TX
UART
TCK
TMS
TDI
TDO
RA201
4.7k
R243 270k
2
R242 1k
1
3
Q243
R241 10k
R331 10k
100k
Q331
3
2
C333 K6800P
R333 1k
R334 2.2k
R317 390
PDN
NC
NC
NC
100k
Q221
3
1
3.0V 3.6~4.2V
2
IC371
3.0V_REG
3 2
VIN
VOUT
VSS
1 R368
R367
R366
VBAT2 VBAT1
R370 1.2
BATTP Q361
BATTM
VSS2 VSS1
3
1
1
Q363
Q362
2
KX-TGA560 SCHEMATIC DIAGRAM (Handset_Main)
101
KX-TG5671BXS / KX-TGA560BXS
TEST SIGNAL
FREQUENCY:1KHz
SP phone RX
(MIC Mute: ON)
1.8Vp-p/8
(Vol.MAX)
L327 470nH
L326 470nH
Headset TX
-37dBm/600
50mVp-p
CN331
L331
1
2
L332
3
1
4
C335
5
L334
22uF 6.3 HEADSET_JACK
Headset RX
170mVp-p/150
(Vol. MAX)
R323 22
R324 22
SPM
R314 C314
2.2k K0.018
C315
R315 2.2k
K0.018
R318 2.2k
Handset TX
-33dBm/600
88mVp-p
SP phone TX
-43dBm/600
30mVp-p
IC221
R222 22k C222 K0.1
1 4
OUT
VSS
2 3
VDD
NC
3.2V_Reset
NC
L351
NC
3.3k
D353 D351
3 1
2 1 2
D354 D352
2
2 1 2
R361 47k
R364 NC R353
L352
1
3 2
D363
R363 47k
3
3
R231 22k
1
2
2
Q231
NC: No Components
+
-
SP-phone
IN
SPP
HANDSET SP
+
-
Handset RX
(MIC Mute: ON)
590mVp-p/150
(Vol. MAX)
MICM
2
1
MIC
MICP
IN
IN
NC
CHG1
1
1
NC
NC
CHG2