Panasonic KX-T7730RU (serv.man6) Service Manual / Supplement ▷ View online
2
KX-T7730RU
1 CHANGES
1.1.
Subject
SUFFIX LOCATION
1.2.
Replacement Parts List
Suffix
Reason for suffix change
J to K
Change the slide switch, PCB (PSUP1382ZD→PSUP1382YD) and upper cabinet.
Suffix J - K
1HAQK123456
Serial No.
Label
Label
(Example)
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:
*1: When installing a new board (PCB1) in the initial product, you need to replace the new TOP cabi-
net and the new SWITCH at the same time.
*2: Refer to figure 1.
*1: When installing a new board (PCB1) in the initial product, you need to replace the new TOP cabi-
net and the new SWITCH at the same time.
*2: Refer to figure 1.
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
Interchangeability Code (Symbols: B) Following V-Z interchange abilities are indicated on the Notes in the bottom column.
Parts
Set Production
V Original
New
Early (before change)
Late (after change)
Late (after change)
Original or new parts may be used in early or late production sets.
Use original parts until exhausted, then stock new parts.
Use original parts until exhausted, then stock new parts.
W Original
New
Early (before change)
Late (after change)
Late (after change)
Original parts may be used in early production sets only. New parts may be used in early or
late production sets. Use original parts where possible, then stock new parts.
late production sets. Use original parts where possible, then stock new parts.
X Original
New
Early (before change)
Late (after change)
Late (after change)
New parts only may be used in early or late production sets.
Stock new parts.
Stock new parts.
Y Original
New
Early (before change)
Late (after change)
Late (after change)
Original parts may be used in early production sets only. New parts may be used in late
production sets only. Stock both original and new parts.
production sets only. Stock both original and new parts.
Z Other
Ref. No.
Part No.
Part Name & Description
Pcs
Remarks
Notes
Time of change
(Suffix)
Original (Old)
New
CABINET AND ELECTRICAL PARTS
1
1
PSKM1096Z1
PSKM1096J1
TOP CABINET
1
*2
8
W
K
19
PSBD1013Z1
----------
KNOB, MODE
0
*2
6
---
K
22
PSYF1041Y1
PNYFT7730X
BOTTOM CABINET ASS´Y
1
8
V
---
22-1
PSHA1002Z
PNHA1013Z
RUBBER PARTS, LEGS
1
8
Y
---
ACCESSORIES AND PACKING MATERIALS
A4
A4
PSYL1002Z1
PNYLT7730X
STAND ASS´Y
1
8
V
---
MAIN BOARD PARTS
PCB1
PCB1
PSWPT7730RU
PNWPT7730RU1
MAIN BOARD ASS´Y (RTL)
1
*1,*2
8
Y
K
R157,R158
----------
ERJ3GEY0R00
RESISTOR,0Ω
1
5
---
K
SW1
PSSS3A101Z
K0D113B00082
SWITCH
1
*2
8
Y
K
3
KX-T7730RU
Changing Parts Picture
Old
New
1: SLIDE SWITCH
Reflow, without knob
Appearance
1: SLIDE SWITCH
DIP, with knob
3: PCB
3: PCB
Appearance
2: MODE KNOB
4: UPPER CABINET
4: UPPER CABINET
Add rib, delete boss
figure .1
4
KX-T7730RU
1.2.1.
Main Board
SInce the main board was changed, the display on the board; PSUP1382ZD was also changed to PSUP1382YD.
Distinguish a change by this indication.
When replacing MAIN BOARD PSUP1382ZD with PSUP1382YD for Suffix K.
Distinguish a change by this indication.
When replacing MAIN BOARD PSUP1382ZD with PSUP1382YD for Suffix K.
C44
C45
C46
C47
C48
C49
C50
C51
C52
C53
C54
C55
C56
C57
C58
C59
C60
C61
C62
C63
C66
Q13
E
Q14
E
C71
A8
G1
G2
D31
D32
D33
D34
M3
IC3
1
1 4
2 8
1 5
R43
R44
R45
R46
R47
R48
R49
R50
R50
R51
R52
R54
R55
R57
R58
R59
R
R
R
R72
R79
R80
R206
A B C E
PSUP1382YD-A
PbF
PSUP1382YD-C
PbF
CN5
REF2
50
30
20
CN2
MP
MP
JK3
1
2
3
4
5
N1
N2
N3
N4
N5
N6
N7
N8
PbF
PSUP1382YD-B
MP
PSUP1382YD-
5
KX-T7730RU
1.3.
PRINTED CIRCUIT BOARD
1.3.1.
COMPONENT VIEW
Change from the Original Service Manual Section 16.1.
KX-T7730RU
MAIN BOARD (COMPONENT VIEW)
C21
C22
C23
C24
C25
C26
C27
C28
C29
C30
C31
C32
C33
C34
C35
D3.3V
C36
C41
C42
C43
C44
R230
C45
R231
C46
R232
C47
R233
C48
R234
C49
R235
R236
R237
R238
C50
C51
C52
C53
C203
C54
R240
C204
C55
C205
C56
C206
C57
C207
C58
C208
C59
C209
C60
C210
C61
C211
C62
C212
C63
C213
C64
C214
Q10
E
C65
C215
Q11
C66
Q12
C67
Q13
E
SP+
C68
H
Q14
E
Q15
Q16
L
Q18
E
SP1
SP2
C71
C72
R
RA2
C73
C74
T
Q20
E
Q21
E
C75
Q22
E
C76
A1
A2
A3
A4
A5
DG2
A6
A7
A8
C81
A9
C82
C84
C85
PC1
C86
B1
B2
SPN
B3
B4
B5
B6
AG
B7
B8
C91
C92
C93
C94
C95
C96
C2
C3
C4
R289
C5
C6
C7
C8
C9
D1
Q101
E
R296
D2
Q102
E
D3
D4
D5
Q105
D6
Q106
D7
Q107
Q108
D9
Q109
E
Q110
Q111
E
E1
Q112
E2
Q113
E3
Q114
E
E4
E5
E6
DG
G1
G2
JK1
5
1
4
JK2
1
4
5
JK3
1
2
3
4
5
R100
R101
J2
R102
J3
R103
R104
R105
R106
R107
D10
R108
R300
R301
R302
R303
K1
K2
R121
R123
R124
R125
R126
R127
D30
R128
D31
R129
D32
D33
D34
R131
M1
R132
M2
R133
M3
R134
R135
R136
R137
D40
R138
R139
C101
C102
C103
R140
C104
N1
C106
N2
C107
N3
C108
N4
N5
N6
N7
N8
C110
IC1
4 9
6 4
1 7
3 2
1
1 6
3 3
4 8
IC2
C112
IC3
1
1 4
2 8
1 5
C113
IC4
C114
IC5
7
1
8
1 4
C115
IC6
C116
R153
IC7
1
C117
C118
R154
IC8
R155
IC9
R156
R157
R158
R159
R10
AG1
AG2
R12
R13
R14
R15
R16
R17
R19
C130
R20
C131
R21
D5V
C132
R22
C133
R23
R24
R25
Q1
E
R26
Q2
E
R27
E
Q3
R28
Q4
E
R29
Q5
E
Q6
E
Q8
E
Q9
E
R30
R31
R32
R34
R1
R36
R2
R37
R3
R38
R4
R39
R5
R6
R7
R8
R9
R40
R41
R42
R43
R44
R45
R46
R47
R48
R49
R50
R50
R51
R52
R54
T1
R55
R56
T2
R57
R58
R59
R60
R61
R62
R63
R64
R65
R66
R67
R68
R69
R70
R71
R72
R73
R74
R75
V1
R76
R77
R78
R79
R80
R81
R82
R84
R85
R86
R87
R88
R89
R89
CN1
2
1 3
1 4
1
R91
R92
R93
R94
R95
X1
1
4
CN9
R96
+6V
R97
R98
R99
C10
C12
C13
C14
R201
IC10
IC11
R206
R207
R208
CN3
CN7
CN4
X
A B C E
M
CN
CE
NZ
AL
SP
RU
PSUP1382YD-A
PbF
PSUP1382YD-C
PbF
CN5
REF2
50
30
20
CN2
PbF
PSUP1382YD-B
5
1
10
6
1
4
8
5
7
1
8
5
4
1
MP
MP
MP
Display
