Panasonic KX-T7730CA (serv.man2) Service Manual / Supplement ▷ View online
5
KX-T7730CA
R6 ERJ3GSYJ681 680
S
R7 ERJ3GSYJ273 27k S
R8 ERJ3GSYJ330 33
R8 ERJ3GSYJ330 33
S
R9 ERJ3GSYJ203 20k S
R10 D0GB272JA057 2.7k
R12 ERJ3GEYJ222 2.2k
R13 ERJ3GEYJ474 470k
R14 ERJ3GEYJ180 18
R12 ERJ3GEYJ222 2.2k
R13 ERJ3GEYJ474 470k
R14 ERJ3GEYJ180 18
S
R15 ERJ3GSYJ682 6.8k S
R16 D0GB560JA057 56
R16 D0GB560JA057 56
R17 ERJ3GEY0R00 0
R21 D0GB272JA057 2.7k
R22 ERJ3GEYJ332 3.3k
R23 ERJ3GSYJ121 120
R22 ERJ3GEYJ332 3.3k
R23 ERJ3GSYJ121 120
S
R24 ERJ3GSYJ274 270k S
R25 ERJ3GEYJ474 470k
R26 ERJ3GEYJ472 4.7k
R27 D0GB562JA057 5.6k
R28 ERJ3GEYJ332 3.3k
R29 ERJ3GEYJ474 470k
R25 ERJ3GEYJ474 470k
R26 ERJ3GEYJ472 4.7k
R27 D0GB562JA057 5.6k
R28 ERJ3GEYJ332 3.3k
R29 ERJ3GEYJ474 470k
R30 D0GB104JA057 100k
R31 ERJ3GEYJ102 1k
R32 ERJ3GSYJ393 39k S
R34 ERJ3GEYJ332 3.3k
R36 D0GB151JA057 150
R31 ERJ3GEYJ102 1k
R32 ERJ3GSYJ393 39k S
R34 ERJ3GEYJ332 3.3k
R36 D0GB151JA057 150
R37 ERJ3GSYJ183 18k S
R38 ERJ3GSYJ682 6.8k S
R39 ERJ3GSYJ333 33k S
R38 ERJ3GSYJ682 6.8k S
R39 ERJ3GSYJ333 33k S
R40 ERJ3GSYJ333 33k S
R41 ERJ3GEYJ472 4.7k
R42 ERJ3GSYJ183 18k S
R43 ERJ3GEYJ474 470k
R44 ERJ3GEYJ472 4.7k
R45 ERJ3GEYJ332 3.3k
R46 D0GB562JA057 5.6k
R47 D0GB562JA057 5.6k
R48 ERJ3GEYJ225 2.2M
R49 ERJ3GSYJ303 30k S
R41 ERJ3GEYJ472 4.7k
R42 ERJ3GSYJ183 18k S
R43 ERJ3GEYJ474 470k
R44 ERJ3GEYJ472 4.7k
R45 ERJ3GEYJ332 3.3k
R46 D0GB562JA057 5.6k
R47 D0GB562JA057 5.6k
R48 ERJ3GEYJ225 2.2M
R49 ERJ3GSYJ303 30k S
R50 ERJ3GSYJ683 68k S
R51 ERJ3GEYJ275 2.7M
R52 D0GB104JA057 100k
R54 ERJ3GSYJ183 18k S
R55 ERJ3GEYJ154 150k S
R56 PQ4R18XJ3R3 3.3
R51 ERJ3GEYJ275 2.7M
R52 D0GB104JA057 100k
R54 ERJ3GSYJ183 18k S
R55 ERJ3GEYJ154 150k S
R56 PQ4R18XJ3R3 3.3
S
R57 ERJ3GEYJ222 2.2k
R58 D0GB104JA057 100k
R59 ERJ3GEYJ123 12k
R58 D0GB104JA057 100k
R59 ERJ3GEYJ123 12k
R60 ERJ3GSYJ152 1.5k S
R61 ERJ3GEY0R00 0
R61 ERJ3GEY0R00 0
R67 ERJ3GSYJ224 220k S
R68 ERJ3GSYJ124 120k S
R69 ERJ3GSYJ563 56k S
R68 ERJ3GSYJ124 120k S
R69 ERJ3GSYJ563 56k S
R70 ERJ3GSYJ273 27k S
R71 ERJ3GSYJ333 33k S
R72 ERJ3GSYJ333 33k S
R73 D0GB104JA057 100k
R74 D0GB562JA057 5.6k
R75 ERJ3GSYJ683 68k S
R76 ERJ3GSYJ124 120k S
R77 ERJ3GEYJ822 8.2k S
R78 D0GB473JA057 47k
R79 ERJ3GSYJ393 39k S
R71 ERJ3GSYJ333 33k S
R72 ERJ3GSYJ333 33k S
R73 D0GB104JA057 100k
R74 D0GB562JA057 5.6k
R75 ERJ3GSYJ683 68k S
R76 ERJ3GSYJ124 120k S
R77 ERJ3GEYJ822 8.2k S
R78 D0GB473JA057 47k
R79 ERJ3GSYJ393 39k S
R80 ERJ3GSYJ333 33k S
R81 D0GB103JA057 10k
R82 ERJ3GSYJ152 1.5k S
R81 D0GB103JA057 10k
R82 ERJ3GSYJ152 1.5k S
Safety Ref.
No.
Part No.
Part Name & Description Remarks
R84 ERJ3GSYJ334 330k S
R86 ERJ3GSYJ224 220k S
R87 ERJ3GSYJ682 6.8k S
R88 D0GB272JA057 2.7k
R89 ERJ3GSYJ683 68k S
R86 ERJ3GSYJ224 220k S
R87 ERJ3GSYJ682 6.8k S
R88 D0GB272JA057 2.7k
R89 ERJ3GSYJ683 68k S
R91 D0GB103JA057 10k
R92 ERJ3GSYJ183 18k S
R93 D0GB103JA057 10k
R94 D0GB562JA057 5.6k
R95 ERJ3GEYJ474 470k
R96 D0GB104JA057 100k
R97 D0GB103JA057 10k
R98 D0GB153JA057 15k
R99 D0GB103JA057 10k
R90 D0GB471JA057 470
R92 ERJ3GSYJ183 18k S
R93 D0GB103JA057 10k
R94 D0GB562JA057 5.6k
R95 ERJ3GEYJ474 470k
R96 D0GB104JA057 100k
R97 D0GB103JA057 10k
R98 D0GB153JA057 15k
R99 D0GB103JA057 10k
R90 D0GB471JA057 470
R100 ERJ3GSYJ683 68k S
R101 ERJ3GSYJ221 220
R101 ERJ3GSYJ221 220
S
R102 ERJ3GSYJ221 220
S
R103 D0GB272JA057 2.7k
R105 ERJ3GEYJ680 68
R105 ERJ3GEYJ680 68
S
R106 ERJ3GEYJ102 1k
R107 ERJ3GEYJ472 4.7k
R108 ERJ3GEYJ102 1k
R107 ERJ3GEYJ472 4.7k
R108 ERJ3GEYJ102 1k
R123 ERJ3GEYJ222 2.2k
R124 ERJ3GEY0R00 0
R124 ERJ3GEY0R00 0
R125 ERJ3GEYJ474 470k
R126 D0GB153JA057 15k
R127 ERJ3GSYJ333 33k S
R128 D0GB272JA057 2.7k
R129 D0GB103JA057 10k
R126 D0GB153JA057 15k
R127 ERJ3GSYJ333 33k S
R128 D0GB272JA057 2.7k
R129 D0GB103JA057 10k
R131 ERJ3GSYJ221 220
S
R132 D0GB560JA057 56
R133 ERJ3GSYJ221 220
S
R134 D0GB560JA057 56
R135 ERJ3GSYJ221 220
S
R136 D0GB560JA057 56
R137 ERJ3GSYJ221 220
S
R138 ERJ3GEYJ101 100
R139 D0GB100JA057 10
R144 D0GB471JA057 470
R140 ERJ3GEYJ150 15
R156 D0GB153JA057 15k
R201 ERJ3GEYJ222 2.2k
R206 ERJ3GEYJ102 1k
R208 D0GB223JA057 22k
R230 ERJ3GSYJ333 33k S
R206 ERJ3GEYJ102 1k
R208 D0GB223JA057 22k
R230 ERJ3GSYJ333 33k S
R231 D0GB103JA057 10k
R232 ERJ3GSYJ273 27k S
R233 ERJ3GSYJ393 39k S
R234 ERJ3GSYJ303 30k S
R236 D0GB512JA041 5.1k
R237 D0GB471JA057 470
R232 ERJ3GSYJ273 27k S
R233 ERJ3GSYJ393 39k S
R234 ERJ3GSYJ303 30k S
R236 D0GB512JA041 5.1k
R237 D0GB471JA057 470
R238 ERJ3GSYJ274 270k S
R240 ERJ3GEYJ102 1k
R289 D0GB104JA057 100k
R289 D0GB104JA057 100k
(PHOTO ELECTRIC TRANS-
DUCER)
DUCER)
PC1 B3PBB0000039
PHOTO ELECTRIC TRANS-
DUCER
DUCER
(SWITCH)
SW1 PSSS3A101Z SLIDE SWITCH S
(TRANSFORMERS)
T1 G5A1A0000003 TRANSFORMER S
Safety Ref.
No.
Part No.
Part Name & Description Remarks
6
KX-T7730CA
T2 G5B1A0000011 TRANSFORMER
(CRYSTAL OSCILLATOR)
X1 H2C200500007 CRYSTAL OSCILLATOR
Safety Ref.
No.
Part No.
Part Name & Description Remarks
7
KX-T7730CA
1.3.
IC DATA
Change from the Original Service Manual Section 13.1.
Pin No.
Terminal Name
I/O Function
I/OSetting
Description
1
P3_0
I/O
O
open
2
Vref
I
-
DTMF Standard Power
3
MODE
I
-
MODE
4
P4_3
I/O
O
HS_MUTE
5
P4_4
I/O
O
SP_RX_MUTE
6
/RESET
I
-
RESET OUT
7
XOUT
I/O
O
20MHz
8
VSS
I
-
GND
9
XIN
I/O
-
20MHz
10
VCC
I
-
Vcc_3.3V
11
P5_4
I/O
O
SP_TX_MUTE
12
P5_3
I/O
O
HF Relay
13
P5_2
I/O
O
HS-POWER
14
P5_1
I/O
O
SP-POWER
15
P5_0
I/O
I
Hold Key
16
P3_7
I/O
O
D_OUT
17
P3_5
I/O
I
Model1
18
P3_4
I/O
I
Model2
19
P3_3
I/O
I
DI_INT
20
P2_7
I/O
I
KEY-IN0
21
P2_6
I/O
I
KEY-IN1
22
P2_5
I/O
I
KEY-IN2
23
P2_4
I/O
I
KEY-IN3
24
P2_3
I/O
I
KEY-IN4
25
P2_2
I/O
I
KEY-IN5
26
P2_1
I/O
I
KEY-IN6
27
P2_0
I/O
I
Hook-SW
28
P3_6
I/O
O
KEY/LED-COM0
29
P3_1
I/O
O
KEY/LED-COM1
30
P8_6
I/O
O
KEY/LED-COM2
31
P8_5
I/O
O
KEY/LED-COM3
32
P8_4
I/O
O
KEY-COM4/RS
33
P8_3
I/O
O
LCD_Contrast1
34
P8_2
I/O
O
LCD_Contrast0
35
P8_1
I/O
O
KEY-COM5
36
P8_0
I/O
I
Ring vol off
37
P6_7
I/O
O( I )
LCD_STB
38
P6_6
O
O
LCD_DO
39
P6_5
I/O
O
LCD_CLK
40
P4_5
I/O
O
LED0
41
P1_7
I/O
O
LED1
42
P1_6
I/O
O
LED2
43
P1_5
I/O
O
LED3
44
P1_4
I/O
O
LED4
45
P1_3
I/O
O
LED5
8
KX-T7730CA
46
P1_2
I/O
O
LED6
47
P1_1
I/O
O
LED7
48
P1_0
I/O
O
RESET_OUT
49
P0_7
I/O
I
DTMF Column
50
P0_6
I/O
I
DTMF Row
51
P0_5
I/O
O
open
52
P0_4
I/O
O
Tone cont 1
53
P0_3
I/O
O
Tone cont 2
54
P0_2
I/O
O
Tone cont 3
55
P0_1
I/O
O
Tone cont 4
56
P0_0
I/O
O
HS/HF SP vol 1
57
P6_4
I/O
O
HS/HF SP vol 2
58
P6_3
I/O
O
HF SP vol 3
59
P6_2
I/O
O
HF SP vol 4
60
P6_1
I/O
O
open
61
P6_0
I/O
O
open
62
P5_7
I/O
O
open
63
P5_6
I/O
I
Head Set Detention
64
P3_2
I/O
I
TONE-DET
Pin No.
Terminal Name
I/O Function
I/OSetting
Description
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