KX-TG8611RUM, KX-TG8612RUM, KX-TGA860RUM - Panasonic Telephone Service Manual (repair manual). Page 11

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11
KX-TG8611RUM/KX-TG8612RUM/KX-TGA860RUM
4.3.
Block Diagram (Handset)
QSPI
FLASH MEMORY
IC4
SPEAKER
RECEIVER
MIC
CHARGE
CIRCUIT
Q4, Q5, Q6,Q
4
Q
5
Q
6
,
Q9, R4Q
9
R
4
CHARGE
CONTACTS
CHARGE(+)
CHARGE_CTRL
CHARGE
EEPROM
SCL
SDA
BATTERY
TERMINAL
R45
VBAT
BATT-
P1
(poly sw)
1.8 V
Q2Q
2
1.8 V
CP 2.8 V
LCD
CD
RESET
CSB
SDA
 SCL
CPU
Analog
Front
End
D/A
A/D
41
43
27
28
23
24
33
32
58
59
 85
26
53
54
68
70
71
85, 86
67
ADPCM
Codec
Filter
DSP
Speech
Decoding
Speech
Encoding
BMC
Burst
Decoding
ANT1
Burst
Encoding
RF 
PLL
MOD/DEMOD
5
2
3
95
94
RXn
RXon
ANT1
DA801
RXp
TXp
TXn
TXon
VDD-PADRY
9
10
XTAL
X1
10.368
MHz
BATTERY
55
ON SWITCH
KEYPAD
Charge
Pump
ROWS
COLUMNS
CP3.0V
D3
CP2.8V
BT unit
BT_URX
BT_PCM_RESET
BT_PCM_OUT
BT_PCM_SYNC
BT_PCM_CLK
BT_PCM_IN
BT_IO2
BT_IO1
BT_UTX
BT_Ant
BT 3V
IC901
Q904
Q905
Battery
CP4.0V
59~62
17~20, 32, 57
119, 121, 123, 126 QSPI-IO 0-3
BBIC
IC1
IC3
 72
LCD-BACK  LIGHT
KEY   LED
BELL  LED
63
88
75
76
6
34
9
96
LDO_CTRL
KX-TGA860  BLOCK DIAGRAM (HANDSET)
CP 3.0 V
CP 2.8 V
QSPI
Control
 120 QSPI-S
CK
 125 QSPI-C
S
24
58
64
80
82
79
81
83
25
31
32
2
3
14
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