Read Panasonic KX-TG6621RUB / KX-TG6621RUM / KX-TG6621UAB / KX-TG6621UAM / KX-TG6621CAB / KX-TG6621CAM / KX-TG6622CAB / KX-TGA661RUB / KX-TGA661RUM (serv.man2) Service Manual Supplement online
ORDER NO. KM41109224SE
Telephone Equipment
Model No.
KX-TG6621RUB
KX-TG6621RUM
KX-TG6621UAB
KX-TG6621UAM
KX-TG6621CAB
KX-TG6621CAM
KX-TG6622CAB
KX-TGA661RUB
KX-TGA661RUM
KX-TG6621RUM
KX-TG6621UAB
KX-TG6621UAM
KX-TG6621CAB
KX-TG6621CAM
KX-TG6622CAB
KX-TGA661RUB
KX-TGA661RUM
Digital Cordless Answering System
B: Black Version
M: Metic Gray Version
(for CIS)
M: Metic Gray Version
(for CIS)
TABLE OF CONTENTS
PAGE
1 REPLACEMENT PARTS LIST--------------------------------- 2
1.1. REFERENCE CHART------------------------------------ 2
1.2. ORIGINAL AND NEW PARTS COMPARISON
1.2. ORIGINAL AND NEW PARTS COMPARISON
LISTS --------------------------------------------------------- 2
2 CHANGES----------------------------------------------------------- 4
2.1. Schematic Diagram (Handset)
(PNLB1897YB)--------------------------------------------- 4
2.2. Circuit Board (Handset) (PNLB1897YB)------------- 6
Supplement-1
Please file and use this supplement manual together with the service manual for Model No.KX-
TG6621RUB/KX-TG6621RUM/KX-TG6621UAB/KX-TG6621UAM/KX-TG6621CAB/KX-TG6621CAM/KX-
TG6622CAB/KX-TGA661RUB/KX-TGA661RUM, KM41103336CE.
TG6621RUB/KX-TG6621RUM/KX-TG6621UAB/KX-TG6621UAM/KX-TG6621CAB/KX-TG6621CAM/KX-
TG6622CAB/KX-TGA661RUB/KX-TGA661RUM, KM41103336CE.
2
KX-TG6621RU/KX-TG6621UA/KX-TG6621CA/KX-TG6622CA/KX-TGA661RU
1 REPLACEMENT PARTS LIST
1.1.
REFERENCE CHART
1.2.
ORIGINAL AND NEW PARTS COMPARISON LISTS
Change of the Suffix Code (Base Unit)
Serial No.Label tells you the suffix code as follows.
Change of the Suffix Code (Handset)
Serial No.Label tells you the suffix code as follows.
Reason for Change
*The following items (1-8) indicate the reason for change. See the “Notes” column for each part in ORIGINAL AND NEW PARTS
COMPARISON LISTS.
1. Improve performance
*The following items (1-8) indicate the reason for change. See the “Notes” column for each part in ORIGINAL AND NEW PARTS
COMPARISON LISTS.
1. Improve performance
Remarks:
*c: To share the parts with other models.
*c: To share the parts with other models.
2. Change of material or dimension
3. To meet approved specification
4. Standardization
5. Addition
6. Deletion
7. Correction
8. Other
3. To meet approved specification
4. Standardization
5. Addition
6. Deletion
7. Correction
8. Other
Suffix Code
Reasons of change
A to B
To decrease the influence on power outage operation caused by parts dispersion.
(There is no part change in the parts list.)
(There is no part change in the parts list.)
B to C
To share the parts with other models. (There is no part change in the parts list.)
Suffix A
ψ C
C
Serial No. Label
(Example)
Suffix Code
Reasons of change
A to B
To decrease the influence on power outage operation caused by parts dispersion.
(There is no part change in the parts list.)
(There is no part change in the parts list.)
B to C
To share the parts with other models. (There is no part change in the parts list.)
Suffix A
ψ C
C
Serial No. Label
(Example)
Ref. No.
Part No.
Part Name & Description
Pcs/
Set
Remarks
Notes
Time of Change
Original (Old)
New
(Suffix)
Main P.C.Board Parts(Base Unit)
3
KX-TG6621RU/KX-TG6621UA/KX-TG6621CA/KX-TG6622CA/KX-TGA661RU
Note:
*A: There is no suffix change. Please check the Main P.C.Board Part ZA/YB when replacing the parts.
Q352,
Q354,
Q361,
Q362,
Q363,
Q602
Q354,
Q361,
Q362,
Q363,
Q602
B1ABCF000103
B1ABDF000017
TRANSISTOR(SI)
6 *c
8 V ---
Main P.C.Board Parts(Handset)
IC7
IC7
C0CBCBD00028
----------
IC
0 *A
6 -
---
Q7,Q9
B1ABCF000103
B1ABDF000017
TRANSISTOR(SI)
2 *c
8 V ---
Q10
----------
B1ADNB000003
TRANSISTOR(SI)
1 *A
5 -
---
Q11
----------
2SC6054JSL
TRANSISTOR(SI)
1 *A
5 -
---
Q12
----------
B1ADCF000040
TRANSISTOR(SI)
1 *A
5 -
---
D2
MAZ8110GML
----------
DIODE(SI)
0 *A
6 -
---
D13,D14,
D21, D22
D21, D22
B0BC4R3A0006
MA8043
DIODE(SI)
4 *A
8 V ---
R6
----------
ERJ2GEJ224
RESISTOR, 220k
Ω
1 *A
5 -
---
R11
----------
ERJ3GEYJ1R0
RESISTOR, 1
Ω
1 *A
5 -
---
R13
----------
ERJ2GEJ681
RESISTOR, 680
Ω
1 *A
5 -
---
R14
----------
ERJ2GEJ102
RESISTOR, 1k
Ω
1 *A
5 -
---
R33
ERJ2GEJ101
----------
RESISTOR, 100
Ω
0 *A
6 -
---
C7
ECUE1C103KBQ
----------
CAPACITOR, 0.01F
0 *A
6 -
---
C8, C9
ECUE1A104KBQ
----------
CAPACITOR, 0.1F
0 *A
6 -
---
Ref. No.
Part No.
Part Name & Description
Pcs/
Set
Remarks
Notes
Time of Change
Original (Old)
New
(Suffix)
In the case of Main P.C.Board Part No.
PNLB1897ZA, use the original (old) parts.
PNLB1897ZA, use the original (old) parts.
PNLB1897ZA
PNLB1897YB
In the case of Main P.C.Board Part No.
PNLB1897YB, use the new parts.
PNLB1897YB, use the new parts.
PNLB1897ZA
PNLB1897YB
"YB" silk marking
horizontal line
For details,
please check
Service Manual
Circuit Board
(Handset).
please check
Service Manual
Circuit Board
(Handset).
no line
no silk marking
For details,
please check
Supplement1Circuit
Board(Handset)
(PNLB1897YB).
please check
Supplement1Circuit
Board(Handset)
(PNLB1897YB).
4
KX-TG6621RU/KX-TG6621UA/KX-TG6621CA/KX-TG6622CA/KX-TGA661RU
2 CHANGES
2.1.
Schematic Diagram (Handset) (PNLB1897YB)
[Changed from original section “13.4 Schematic Diagram (Handset)”]
IC1
1
1
1
LCD_CD
LCD_SCL
LCD_SDA
SOCp
SOCn
BELL_LED
LCD_RESET
LCD_CSB
COL1
COL2
COL3
COL4
URX
KEY_LED
ROW3
ROW0
ROW1
CHARGE
CHARGE_CTRL
SOCn
COL2
COL1
ROW2
ROW3
COL4
ROW1
COL3
ROW0
COL5
COL0
ROW2
BELL_LED
UTX
JTAG
LDO_CTRL
SOCp
COL5
CHARGE
CHG+
COLORLCDLED
COLORLCDLED
LCD_RESET
LCD_CSB
LCD_CD
LCD_SDA
LCD_SCL
CHARGE_CTRL
BATTERY_ON
KEY_LED
CHG+
BATTERY_ON
C12
K10u
URX
POWER
GND
*R25
NC
*C14
NC
*R22
NC
*C16
NC
GND
R66
1k
R64
10k
R215
0
R63
100
RA61
220
1
2
3
4
*C184
NC
UTX
+1.8V
R28
820
C138
NC
GND
GND
BATTERY
LED12
C139
NC
RF_TXn
RF_TXp
RF_TXp
RF_RXn
RF_RXp
RF_RXp
TXON
RXON
C44
K0.1u
R203
56k
F
GND
C43
D10p
C47
K1u
C17
NC
C11
K0.1u
C18 NC
VREFm
RA4
3.3k
3.3k
1
2
3
4
C13
K0.1u
GND
BATT-
BATTERY
GND
R45
0.1
BAT
BATT+
GND
C342
NC
GND
GND
C10
K2.2u
GND
+1.8V
1.8V
C341
NC
GND
C46
D10p
BATTERY
+1.8V
RA1
1k
1k
1
2
3
45
6
7
8
STM
L46
L47
L47
GND
C39
NC
R20
10
CKM
CP_V2
CP_V2
CP+3.0V
CP3.0V
C45
K0.1u
GND
C40
k0.1u
C49
K1u
K1u
C50
K1u
C48
NC
VREFm
C96 D10p
C97D10p
C865 10p
C866
1u
JTAG
R27
820
*C175
K1u
*C580
D10p
CN5
4
RESETB
CN5
6
SCLK
CN5
5
A0
CN5
9
VDDA
CN5
2
OPT_PWR
CN5
10
VSS
CN5
11
V0
CP2.8V
CN5
3
LCD_CSB
GND
CN5
1
GND
CN5
8
VDD
CN5
12
GND
GND
*LED9
*LED4
*LED1
*LED5
*LED2
*LED6
*LED8
*LED3
*LED7
GND
GND
R30
1.5k
GND
GND
R5
1.2k
C35
0.1u
5
1 2
4
1 2
1
1 2
0
1 2
TALK
1
2
9
1 2
SHARP
1 2
SP
1 2
AST
1 2
8
1 2
3
1 2
R
1
2
2
1 2
SOFT_A
1 2
SOFT_C
1 2
SOFT_B
1 2
7
1 2
6
1 2
S1
1 2
C34
0.1u
GND
GND
*C173
NC
GND
C189
K1u
CP_V2
CP_V2
GND
C343
0.1u
C340
10p
GND
C345
10p
C344
0.1u
GND
GND
C5
0.1u
R23
1k
*R29
NC
*R50
10k
*C104
D10p
*C107
NC
*C106
NC
*C103
J100p
*R54
10k
*C105
J100p
*R55
1k
R7
10k
GND
C51
K1u
C55
D10p
GND
C54 D10p
C52
K10u
GND
C79
D10p
C78
D10p
GND
C1
220u
6.3
RE2
C2
220u
6.3
RE2
C3
220u
6.3
RE2
D1
*R18
100k
R19 33k
*C32
K0.1u
*C60
NC
GND
*C61
NC
*C62
NC
CP2.8V
CP_V2
CHG+
CHG-
LEFT
1
2
DOWN
1 2
RIGHT
1 2
UP
1 2
*R70
NC
CP2.8V
CP2.8V
*C63
NC
D3
*R73
NC
*R74
NC
*C68
NC
*C65
NC
*C69
NC
*R71
NC
*R72
NC
R4
3.3(3216)
R3 1k
Q9
Q5
Q6
Q4
*X1
10.368M
1
3
2
R31
10k
R8
30k
R9
30k
C19
K1000p
Q7
*R53
3.3k
R10 1.5k
C53 K2.2u(2125)
F1
2.5A
*CN51
13
VDDIO
*CN51
9
RS/A0
*CN51
2
LED-
*CN51
3
AVDD
*CN51
14
VDD
*CN51
10
/CS
*CN51
6
VGL
*CN51
8
SDA/SDI
*CN51
11
/RESET
*CN51
5
C11B
*CN51
12
GND
*CN51
1
LED+
*CN51
7
SCL/SCK
*CN51
4
C11A
Q2
CN5
7
SID
L48
1
VSS_LNA1
2
RF_RXn
3
RF_RXp
4
VSS_LNA2
5
RFP1
6
RFP0
7
REF_RES
8
AVS_XTAL
9
XTAL2
10
XTAL1
11
AVD_XTAL
12
RF_SUPPLY1
13
PARADET/P3_4
14
RINGOUT/RINGING/P3_5
15
RINGn/P3_6
16
RINGp/P3_7
17
CIDINp/P3_2
18
VREFp
19
CIDINn/MICp
20
CIDOUT/MICn
21
MICh
22
VREFm
23
LSRp
24
LSRn
25
AVD
26
LDO_CTRL
27
ADC0/P3_3
28
ADC1/INT0/P1_0
29
NTC/ADC2
30
SOCp
31
SOCn
32
CHARGE_CTRL
33
P1_7/CHARGE
34
DP1/PAOUTp/P3_1
35
VDD_PA
36
DP0/PAOUTn/P3_0
37
ULP_XTAL
38
CP_C1x
39
CP_C2x
40
CP_C1y
41
VBAT_CP
42
CP_C2y
43
CP_VOUT1
44
CP_VOUT2
45
PON/P1_6
46
VDD1
47
P2_7/BXTAL
48
P1_5/INT5/RDI/VDDE
49
P1_4/INT4/TDOD
50
P1_3/INT3/SIO
51
P1_2/INT2/SK
52
P1_1/INT1/LE
53
P2_6/WTF_IN
54
P0_7/SPI_DI/PWM1
55
P0_6/SPI_DO
56
P0_5/SPI_CLK
57
P0_4/SPI_EN
58
P0_3/SCL2/URX2
59
P0_2/SDA2/UTX2
60
P0_1/URX/PWM0
61
P0_0/UTX
62
RSTn
63
JTAG
64
P2_5/PCM_FSC/SF
65
P2_4/SCL1/PCM_DO/DP3
66
P2_3/SDA1/PCM_DI/DP2
67
P2_2/PCM_CLK/CLK100
68
WLED_CUR_0
69
WLED_CUR_1
70
WLED_CUR_2
71
P2_1/ECZ2/PWM1/LED4
72
P2_0/ECZ1/PWM0/LED3
73
VDD2
74
LDORF_CTRL
75
RFP0n
76
RF_SUPPLY2
77
RF_SUPPLY_PA
78
RF_TXn
79
RF_TXp
80
RFP2
97
GND
*RA32
150
150
1
2
3
45
6
7
8
*RA31
470
1
2
4
*RA30
470
1
2
3
4
3
5
6
7
8
GND
*R51
330
*R52
330
R1 NC
*C67
NC
*R75
NC
*C66
NC
*C174
K1u
*C64
NC
*R11
1.0
*R13
680
GND
*Q12
*Q10
*Q11
*R6
220k
GND
*R14
1k
VREFm
BELL LED
(Amber)
(Amber)
TO RF BLOCK
To Battery
(MAX500mA)
to LCD UNIT(Monochrome 1.8inc FullDot for TGA661)
Heat Shield
KEY B/L
LCD B/L
CHARGE
Terminal
Terminal
Amber LCD B/L(TGA661EU)
only TGA806
1.5inc TFT Colour LCD I/F
NC: No Components
(1)
(2)
(3)
(4)
(5)
(7)
(6)
(9)
(10)
(11)
(11)
(13)
(12)
(14)
(8)
Charge Current
3.0V
3.0V
3.0V
RX_RF
TX_RF
!
