Panasonic KX-T7735RU / KX-T7735RUPP Service Manual ▷ View online
Ref.
No.
Part No.
Part Name & Description
Remarks
CN7
K1MN10B00087
CONNECTOR, 10P
CN8
K1MN10B00087
CONNECTOR, 10P
JK1
K2LB104D0005
JACK
JK2
K2LB104D0004
JACK
JK3
PQJJ1C002Z
JACK
S
(PHOTO ELECTRIC TRANSDUCER)
PC1
0N3181
PHOTO COUPLER
S
(RESISTORS)
R1
ERJ3GEYJ104
100K
R2
ERJ3GEYJ223
22K
R3
ERJ3GEYJ182
1.8K
R4
ERJ3GEYJ683
68K
R5
ERJ3GEYJ470
47
R6
ERJ3GEYJ681
680
R7
ERJ3GEYJ273
27K
R8
ERJ3GEYJ330
33
R9
ERJ3GEYJ203
20K
R10
ERJ3GEYJ272
2.7K
R12
ERJ3GEYJ222
2.2K
R13
ERJ3GEYJ474
470K
R14
ERJ3GEYJ180
18
R15
ERJ3GEYJ682
6.8K
R16
ERJ3GEYJ560
56
R17
ERJ3GEY0R00
0
R21
ERJ3GEYJ272
2.7K
R22
ERJ3GEYJ332
3.3K
R23
ERJ3GEYJ121
120
R24
ERJ3GEYJ274
270K
R25
ERJ3GEYJ474
470K
R26
ERJ3GEYJ472
4.7K
R27
ERJ3GEYJ562
5.6K
R28
ERJ3GEYJ222
2.2K
R29
ERJ3GEYJ474
470K
R30
ERJ3GEYJ104
100K
R31
ERJ3GEYJ102
1K
R32
ERJ3GEYJ123
12K
R34
ERJ3GEYJ223
22K
R35
ERJ3GEYJ563
56K
R36
ERJ3GEYJ151
150
R37
ERJ3GEYJ273
27K
R38
ERJ3GEYJ103
10K
R39
ERJ3GEYJ473
47K
R40
ERJ3GEYJ473
47K
R41
ERJ3GEYJ472
4.7K
R42
ERJ3GEYJ183
18K
R43
ERJ3GEYJ474
470K
R44
ERJ3GEYJ472
4.7K
R45
ERJ3GEYJ332
3.3K
R46
ERJ3GEYJ562
5.6K
R47
ERJ3GEYJ562
5.6K
R48
ERJ3GEYJ225
2.2M
R49
ERJ3GEYJ303
30K
R50
ERJ3GEYJ683
68K
R51
ERJ3GEYJ275
2.7M
R52
ERJ3GEYJ104
100K
R53
ERJ3GEYJ473
47K
R54
ERJ3GEYJ183
18K
R55
ERJ3GEYJ154
150K
R56
ERJ8GEYJ3R3
3.3
R57
ERJ3GEYJ222
2.2K
R58
ERJ3GEYJ104
100K
R59
ERJ3GEYJ123
12K
R60
ERJ3GEYJ152
1.5K
R61
ERJ3GEY0R00
0
R67
ERJ3GEYJ224
220K
R68
ERJ3GEYJ124
120K
R69
ERJ3GEYJ563
56K
R70
ERJ3GEYJ273
27K
R71
ERJ3GEYJ473
47K
R72
ERJ3GEYJ473
47K
Ref.
No.
Part No.
Part Name & Description
Remarks
R73
ERJ3GEYJ104
100K
R74
ERJ3GEYJ562
5.6K
R76
ERJ3GEYJ683
68K
R77
ERJ3GEYJ393
39K
R78
ERJ3GEYJ473
47K
R79
ERJ3GEYJ393
39K
R80
ERJ3GEYJ473
47K
R81
ERJ3GEYJ153
15K
R82
ERJ3GEYJ472
4.7K
R83
ERJ3GEY0R00
0
R84
ERJ3GEYJ684
680K
R86
ERJ3GEYJ274
270K
R87
ERJ3GEYJ103
10K
R88
ERJ3GEYJ392
3.9K
R89
ERJ3GEYJ104
100K
R90
ERJ3GEYJ471
470
R91
ERJ3GEYJ103
10K
R92
ERJ3GEYJ183
18K
R93
ERJ3GEYJ103
10K
R94
ERJ3GEYJ472
4.7K
R95
ERJ3GEYJ474
470K
R96
ERJ3GEYJ104
100K
R97
ERJ3GEYJ103
10K
R98
ERJ3GEYJ153
15K
R99
ERJ3GEYJ103
10K
R100
ERJ3GEYJ104
100K
R101
ERJ3GEYJ221
220
R102
ERJ3GEYJ221
220
R103
ERJ3GEYJ103
10K
R104
ERJ3GEYJ103
10K
R105
ERJ3GEYJ101
100
R106
ERJ3GEYJ222
2.2K
R107
ERJ3GEYJ472
4.7K
R108
ERJ3GEYJ102
1K
R121
ERJ3GEYJ105
1M
R122
ERJ3GEYJ332
3.3K
R123
ERJ3GEY0R00
0
R124
ERJ3GEY0R00
0
R125
ERJ3GEYJ473
47K
R126
ERJ3GEYJ333
33K
R127
ERJ3GEYJ563
56K
R128
ERJ3GEYJ272
2.7K
R131
ERJ3GEYJ271
270
R132
ERJ3GEYJ390
39
R133
ERJ3GEYJ271
270
R134
ERJ3GEYJ390
39
R135
ERJ3GEYJ271
270
R136
ERJ3GEYJ390
39
R137
ERJ3GEYJ271
270
R138
ERJ3GEYJ221
220
R139
ERJ3GEYJ390
39
R140
ERJ3GEYJ560
56
R141
ERJ3GEYJ821
820
R154
ERJ3GEYJ104
100K
R156
ERJ3GEYJ153
15K
R157
ERJ3GEY0R00
0
R158
ERJ3GEYJ202
2K
R201
ERJ3GEYJ222
2.2K
R206
ERJ3GEYJ102
1K
R208
ERJ3GEYJ223
22K
(COMPONENT PARTS)
RA1
D1H84734A024
RESISTOR ARRAY, 47K
RA2
D1H84724A024
RESISTOR ARRAY, 47K
(SWITCHES)
SW1
PSSS3A101Z
SWITCH
S
SW2
PSSS3A101Z
SWITCH
S
(TRANSFORMERS)
T1
G5A1A0000003
TRANSFORMER
T2
PSLT9Z4A
TRANSFORMER
S
29
KX-T7735RU
Ref.
No.
Part No.
Part Name & Description
Remarks
(CRYSTAL OSCILLATOR)
X1
H0J400400011
CRYSTAL OSCILLATOR
30
KX-T7735RU
16 FOR THE SCHEMATIC DIAGRAM
Note:
1. DC voltage measurements are taken with an oscilloscope or a tester with a ground.
2. The schematic diagrams and circuit board may be modified at any time with the development of new technology.
2. The schematic diagrams and circuit board may be modified at any time with the development of new technology.
31
KX-T7735RU
17 SCHEMATIC DIAGRAM
(1)
(2)
(3)
(4)
(6)
(8)
(9)
(10)
(11)
(13)
(12)
(15)
(17)
(18)
(19)
(20)
(21)
(14)
(16)
(5)
(7)
KX-T7735RU: MAIN BOARD NO.1
R31
1K
R49 30K
R50 68K
R50 68K
R48 2.2M
R46 5.6K
R47
5.6K
R51
2.7M
C44 0.047
C45
0.047
C610.1
C57
6.3V1000
C63
6.3V100
R56
3.3
+6V
R54
18K
R55
150K
R57 2.2K
C46
0.047
R42
18K
C42
0.1
R58
100K
C65
0.01
C59
0.1
C64
0.1
C58
Z4.7
C55
Z10
C52
Z4.7
C51
Z2.2
C50
Z2.2
C27
0.1
IC3
1
RR
2
RTX
3
TXI
4
TXD
5
TLI
6
TLO
7
TRL
8
RLD
9
MCI
10
MCO
11
CP1
12
N.C
13
CP2
14
XDI
15
SKG
16
SKO
17
V+
18
AGC
19
CS
20
SKI
21
VCC
22
VB
23
V-
24
XDC
25
VLC
26
ACF
27
N.C
28
RXO
29
RXI
30
PRX
R61
0
C62
0.047
R29
470K
C60 0.022
R70
27K
R67
220K
R68 120K
AG
Q15
1
4
3
2
5
Q16
1
4
3
2
5
R69 56K
C48 0.1
C47
0.033
R45
3.3K
3.3K
C53 6.3V47
R52100K
C56
6.3V100
C54
6.3V100
R36
150
A5V
C30
6.3V220
R38
10K
Q11
1
4
3
2
5
R134
39
D22
CO5
D26
CO9
D28
CO11
R131
270
D27
CO10
R132
39
R133
270
D23
CO6
D24
CO7
R135
270
R136
39
D20
CO3
D18
CO1
D19
CO2
D5V
SW26
CO1
SW46
6
SW40
5
SW22
2
SW34
4
SW23
CO4
SW12
CO11
SW14
CO9
SW33
*
SW27
9
SW25
CO2
SW15
7
SW28
3
SW21
8
SW18
CO7
SW11
CO12
SW17
CO8
SW45
#
SW24
CO3
SW20
CO5
SW19
CO6
SW39
0
SW16
1
D29
CO12
3
4
1
2
D25
CO8
D21
CO4
R138
220
R137
270
RA2
4.7K
NC
C72
IC4
NC
1
CD
2
FC2
3
FC1
4
Vin
5
VO1
6
VCC
7
GND
8
VO2
NC
R62
NC
R65
NC
C71
NC
R64
R43
470K
NC
C73
IC5
11
10
12
IC5
2
1
13
NC
C74
NC
C75
NC
R66
R60
1.5K
R59
12K
R30
100K
C28
3300P
R37
27K
R53
47K
NC R63
C31
Z10
R72
47K
R71
47K
D12
ICM
R139
39
DG
AG
AG
AG
AG
AG
AG
AG
AG
AG AG
AG
IC5
3
4
5
JK3
1
2
3
4
5
AG
AG
D16
MUTE
D17
STORE
D14
CONF
D15
FWD/DND
D13
SP-PHONE
SW31
MUTE
SW30
FWD/DND
SW35
M.W
SW32
STORE
SW29
CONF
SW37
FLASH
SW36
PAUSE
SW47
SW48
SW44
ICM
SW41
REDIAL
SW38
TRANSFER
SW43
SP-PHONE
SW49
SW50
JK2
HANDSET JACK
3
SP
1
MIC
2
4
4
A1
A2
A3
A4
A5
A6
A7
A8
A9
B1
B2
B3
B4
B5
B6
B7
B8
E4
E3
E2
E1
E5
E6
G2
G1
AG1
M3
AG2
SP-SP+
SW51
PROGRAM
TP199
TP200
TP200
TP201
TP202
SW13
CO10
CN6
1
2
2
R140
56
D11
M.W
AG
A5V
Q8
Q13
Q14
Q7
Q18
Q104
1
6
2
Q104
4
3
5
Q103
1
6
2
Q103
4
3
5
C84
0.01
R84
680K
R44
4.7K
C49
0.033
AG
R89
100K
Q12
1
4
3
2
5
A5V
R73
100K
AG
K2
K1
M1
SP1
M2
SP2
AG
NC
C76
D31
D32
D33
D34
R206
1K
NC
R207
C29
2200P
R208
22K
R78
47K
R79
39K
AG
R86
270K
NC
R85
R88
3.9K
R87
10K
C66
0.01
C67
3300P
R80
47K
B9
SW53
F1
SW54
F2
SW55
F3
SW56
F4
SW57
F5
SW58
F6
SW59
F7
SW60
F8
SW61
F9
SW62
F10
SW63
F11
SW64
F12
AG
NC
C43
NC
J2
NC
J3
D5V
R158
2K
CN7
9
10
8
SW1
3
4
2
1
2
1
CN8
10
R90
470
N2
SW2
3
4
2
1
2
1
R141
820
CN8
2
1
3
N3
N1
N4
CN7
1
CN8
8
7
5
4
9
6
7
5
4
9
6
CN7
3
4
6
7
2
5
4
6
7
2
5
N5
N6
N7
Q106
1
2
3
4
5
Q105
1
2
3
4
5
Q107
1
2
3
4
5
Q108
1
2
3
4
5
CN2
1
+
2
-
CN3
1
+
2
-
CN4
1
+
2
-
CN5
1
+
2
-
SP_RX_MUTE
SP_TX_MUTE
SP_TX_MUTE
HS_POWER
SP_POWER
SP_POWER
HS_SP_VOL1
HS_SP_VOL2
SP_VOL3
SP_VOL4
HS_SP_VOL2
HS_SP_VOL1
C[1]
C[0]
C[3]
C[2]
T_CONT3
T_CONT4
L[0]
L[1]
L[2]
L[3]
L[4]
L[5]
L[6]
L[7]
SP_POWER
SP_TX_MUTE
SP_RX_MUTE
T_CONT2
HS_POWER
K[0]
K[1]
K[2]
K[3]
K[4]
K[5]
HEAD_SET
K[6]
HS_MUTE
RING_OFF
C[4]
C[5]
K[8]
K[9]
R
R
R
G
R
G
R
G
R
G
G
G
R
R
R
G
G
G
R
G
R
G
G
R
PSUP1395Y-B
PSUP1395Y-B
PSUP1395Y-C
2.4V
2.8V
1.5V
2.7V
1.5V
2.7V
2.8V
5.4V
5.3V
2.0V
2.0V
0
0
0
0
2.8V
2.7V
2.5V
2.9V
2.8V
2.7V
2.8V
2.8V
2.8V
2.2V
1.5V
2.1V
2.1V
2.1V
0
0
0
2.8V
6.1V
2.9V
2.8V
4.6V
SP-Phone
Recepton Signal
Recepton Signal
SP-Phone
Transmission Signal
Transmission Signal
Ringer
Signal
Signal
5.4V :
0V :
The handset is in use
The speakerphone is in use
The speakerphone is in use
On using the speakerphone
32
KX-T7735RU
Click on the first or last page to see other KX-T7735RU / KX-T7735RUPP service manuals if exist.