Panasonic KX-TG8421EB

67
KX-TG8421E/KX-TG8422E/KX-TG8423E/KX-TG8424E/KX-TGA840E
11.5. Adjustment Standard (Handset)
When connecting the simulator equipments for checking, please refer to below.
11.5.1. Component View
Note:
(A) - (R) is referred to Check Point (Handset) (P.52)
A
PbF
PNLB1104Z
KX-TGA840XX EU
C138
C71C152C70
RECEIVER
C139
SPEAKER
C29
C802
C72
C813
C811
C804
C73
C147
C121
C5
C3
F1
C76
C77
C113
C54
C40
C44
C834
C814
C863 C864
C43
C47
C83
C185
C35
C39
C110
4
5
1
X_CLK
POWER
1.8V
C128
C2
C1
C172
CP4.0V
CP2.5V
C111
C33
C6
C7
C837
C14
C13
C38
C332
C51
C55
C53
C52
C49
R71
R209
R208
R63
R66
R64
R225
R802
R805
R6
R74
R73
R31
R7
R30
R4
R8
R45
R300
R303
R301
R302
R305
R12
R42
R41
R40
R32
R33
R25
R203
R807
R22
R28
R332
R330
R331
R306
R304
R20
R307
L804
L802
L3
L9
L72
L73
L74
L71
IC1
TEST
JTAG
RA61
BATT-
BATT+
RA4
D21
D22
D14 D13
BLK
RED
BLK
RED
D8
D7
D4
D3
Q4
Q7
Q11
Q12
Q2
C45
C36
C46
C860 C182
C819
C825
C827
C809
C810
C805
C808
C861
C812
C859
C862
C803
C806
CN4
C74
C75
C4
C15
C150
C188
C97
C96
C822
C826
C41
X1
C820
C18
C11
C10
C12
C16
C331
C184
C17
C48
C50
C109
C82
3
2
1
14 85
1
C108
C86
C127
R65
R808
R801
R806
R803 R804
SP-PHONE_SPEAKER
R310
R309
R2
R215
R27
R152
R34
R308
R100
L801
L803
L5 L4
L8
IC801
IC3
RA1
RA2
DA801
D1
Q9
UTX
URX
GND
CHG (-)
CHG (+)
BAT
MIC-
MIC+
OSC
AF VOLT METER
LOOP Simulator
Dummy Base Unit
6.3 V 47 F 6.3 V 47 F
AF
GENERATOR
DC
6.5V
DC POWER 2.30-2.60V
DC POWER 2.00-2.25V
GND
Digital Volt Meter
UTX
URX GND
PC
GND
CLK
Frequency Counter
2.7 V
Zener
AF
OSC
MIC-
(D),(E),(F),(G)(A),(B),(C),(F),(G),(H),(I)
(A),(Q),(R)
iH)
(I),(J),(K),(L),(M),(N)
(O),(P)
(O)
(O),(P)
MIC+
+
+
600
100
GNDANT
DECT Tester
CMD60
(at battery low)
POWER KEY
150
56 56
SP+
REV-
REV+
SP-
8
1 F
AF VOLT METER
Oscilloscope
A B
1
22pF
Current
Probe
Oscilloscope
1.8V CP 2.5V CP 4.0V