Panasonic KX-TG7851UAB / KX-TG7851UAH / KX-TG7861UAB / KX-TGA785RUB / KX-TGA785RUH Service Manual ▷ View online
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KX-TG7851UAB/KX-TG7851UAH/KX-TG7861UAB/KX-TGA785RUB/KX-TGA785RUH
14.3. Handset
14.3.1. Component View
KX-TGA785 HANDSET BOARD (Component View)
Note:
(A) - (R) is referred to Check Point (Handset) (P.38)
+
–
ANT- Short
ANT- Short- GND
RECEIVER
SP-PHONE_SPEAKER
ANT1_TP
JTAG
IC3
C801
C70
C71
D21
D22
D14
D13
C73
C72
C69
CP2.8V
IC1
X1
IC4
C1
CP3V
CKM
KIN_4
KIN_2
KIN_3
1.8V
KIN_1
STB_D
POWER
STB_B
STB_C
STB_A
CP4V
KEY_LED
Q1
R1
R76
R77
C78
C79
C41
R41
R15
RA3
RA2
Q6
C866
CHG_CTRL
Q9
R6
Q4
Q2
C19
R2
R9
R8
Q3
C6
F1
C15
R45
C7
BATT+
UTX
GND
URX
VBAT
BATT-
CHG
CHG
A
C5
R3
R7
C859
C861
C860
C46
C45 RST
R61
C44
R60
RA5
C862
R20
C47
C43
C13
C11
R23
RA7
C12 C22
C36
C191
C190
C98
C59
C99
C30
C29
D3
C40
STM
C56
C55
C52
C53
C51
+
–
GREEN
ORANGE
+
–
BLUE
ORANGE
PbF
PNLB2161Z
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KX-TG7851UAB/KX-TG7851UAH/KX-TG7861UAB/KX-TGA785RUB/KX-TGA785RUH
14.3.2. Bottom View
KX-TGA785 HANDSET BOARD (Bottom View)
PbF
PNLB2161Z
CN5
C115
C112
C111
C110
LCD_RESET
C113
C114
LCD_CS
LCD_CD
LCD_SID
LCD_SCL
SOFT_A
UP
SOFT_C
LEFT
RIGHT
TALK
DOWN
OFF
LED3
LED5
1
2
3
4
5
6
7
8
9
AST
0
SHARP
LED4
LED6
LED2
LED1
SP
ECO/ R
MIC
SFK
A
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KX-TG7851UAB/KX-TG7851UAH/KX-TG7861UAB/KX-TGA785RUB/KX-TGA785RUH
15 Exploded View and Replacement Parts List
15.1. Cabinet and Electrical Parts (Base Unit)
15.1.1. KX-TG7851
1
2
3
5
8
PCB1
6
9
A
4
7
Ref.No.
A
Figure
2.6
8 mm
E1
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KX-TG7851UAB/KX-TG7851UAH/KX-TG7861UAB/KX-TGA785RUB/KX-TGA785RUH
15.1.2. KX-TG7861
Ref.No.
A
Figure
2.6
8 mm
1
2
3
5
11
13
12
A
9
10
14
A
6
4
7
8
15
A
E1
PCB2
PCB1
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