Panasonic RX-D55EG Service Manual ▷ View online
65
16 Schematic Diagram
16.1. CD SERVO CIRCUIT
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C
D
B
E
G
H
F
A
C
D
B
E
G
H
F
A
CD SERVO CIRCUIT
SCHEMATIC DIAGRAM - 1
RX-D55EG CD SERVO
CIRCUIT
: CD AUDIO INPUT SIGNAL LINE
: +B SIGNAL LINE
B
TO
MAIN CIRCUIT
(CN2101)
IN SCHEMATIC
DIAGRAM - 4
MAIN CIRCUIT
(CN2101)
IN SCHEMATIC
DIAGRAM - 4
22
1
C7223
6.3V4.7
50V1
C7227
MAZ8056GML
D7650
50V1
C7228
1K
R7217
C7218
0.082
820
R7212
C7217
0.1
C7225
1000P
R7218
1K
C7226
1000P
100
R7221
C7230
0.1
C7231
6.3V220
82K
R7211
0.1
C7263
LB7262
0
0
0
LB7264
LB7263
C7241
1000P
C7216
680P
C7244
0.015
C7102
0.47
0.1
C7204
16V10
C7235
C7161
0.1
C7234
0.1
C7203
6.3V220
C7315
0.47
88
C7339
0.018
10K
R7328
3.3K
R7315
R7330
5.6K
10K
R7111
C7142
3300P
C7221
15P
C7222
15P
10
C7164
10
C7165
C7232
6.3V220
1K
R7254
470P
C7253
C7166
0.01
0.1
C7233
10
R7253
R7214
470
1M
R7220
H0H169500013
X7201
0.1
C7243
6
5
8
9
11
12
10
18
15
17
16
20
19
13
14
7
2
1
4
3
22
21
CN7002
0.022
C7107
C7155
0.1
0.1
C7154
C7264
0.1
79
77
76
78
49
47
48
50
74
71 72
67 68
56
55
58
57
52
51
54
53
65 66
61 62
59 60
64
63
70
69
73
75
10
8
7
9
12 11
99
100
95
94
96
97
90
91
89
93
92
98
4
6
5
2
1
3
81
82
80
86
87
88
84
83
85
45
19
17
15 14
16
18
43
23
21 20
22
41
24
39
37
33
35
34
29
30
27
26
28
32
31
36
38
25
40
42
44
13
46
MN6627954AMA
IC7001
C7601
6.3V33
4.7
R7601
C7614
6.3V100
C7670
0.1
C7626
0.1
B1ADCF000001
Q7601
5.6
R7650
LASER DRIVE
+
M7302*
SPINDLE MOTOR
DRIVER
39
+
M7301*
TRAVERSE MOTOR
C7334
10V220
C7335
0.1
C7613
0.1
6
5
8
9
10
12
11
7
2
1
4
3
14
13
16
15
CN7001
TO OPTICAL
PICKUP UNIT
PICKUP UNIT
28(VREF)
100
R7335
1K
R7332
330
R7325
10
R7336
27K
R7331
6.8K
R7323
1K
R7327
18K
R7349
1K
R7329
C7352
0.018
C7338
0.027
1K
R7339
19
18
17
20
15
16
14
12
9
8
11
10
13
22
23
30
21
28
27
24
25
26
2
1
6
7
29
3
4
5
IC7002
BA5948FPE2
A. GND
LCH OUT
TX
MCLK
RST
3.3V
STAT
7.5V
MLD
LD SW
P. GND
D. GND
BLKCK
MDATA
3.3V
REST SW
LOADING
CD OPEN SW
RCH OUT
SRDATA (ST_IN)
BCLK (ST_CLK)
LRCK (ST_REQ)
[51] ARFIN
IREF
OUTR
OUTL
TX
MLD
MCLK
NRST
STAT
FLAG
PLLF
DVDD2
AVSS1
DVSS3
BLKCK
MDATA
AVDD1
PLLF0
ARFFB
[52] DSLF
[74]
SMCK
[75]
PMCK
[1]
A11
[2]
A9
[24] TRP
SERVO PROCESSOR
[25] FOP
RFIN
X2
X1
NTEST2
A
B
F
E
D
C
PD
LD
D5
D7
D8
D9
D15
D13
D11
D10
D12
D14
D6
SDRCK
DRVDD
VREF
TRVP
BA1
A0
A2
A4
A6
A8
A7
A5
A3
A1
A10
NWE
BA0
PC
NRAS
NCAS
PRAMVDD33
PRAMVDD15
PRAMVSS33
SPOUT
NTEST
D1
D3
D4
D0
D2
D1
D3
D0
D2
CENV
AVDD2
RFENV
AVSS2
IODD2
DVSS1
DVDD1
OSCIN
RFOUT
IODD1
DVSS2
DQSYTXT
ARFDC
NSRVMONON
EXT1 / LRCK (ST_REQ)
EXT2 / BCLK (ST_CLK)
EXT0 / SRDATA (ST_IN)
F
A
B
E
GND
T-
F-
F+
T+
LPD
VREF
LD GND
GND (GUARD)
GND (GUARD)
LD
VCC
ARFOUT
PVCC1
D4+
D1-
PVCC2
NC
NC
NC
NC
NC
NC
NC
IN2
NC
PC1
PC2
IN1
GND
PGND1
FO GAIN
GND
IN4
IN3
VCC
VREF
PGND2
D3+
D2-
D3-
D2+
D1+
D4-
CTRCRS
TRV GAIN
SRVMON0
SRVMON1
TP
90
TP
TP
38
TP
36
TP
37
TP
TP
50
TP
51(ARF)
TP
24
TP
19
TP
16
TP
14
TP
18
TP
4
TP
91
TP
92
TP
93
TP
3
TP
2
TP
1
TP
87
TP
86
TP
10
TP
11
TP
31
TP
13
TP
9
TP
8
TP
7
TP
12
TP
17
TP
89
TP
A0
A2
A4
A6
A8
A9
A7
A5
A3
A1
NRAS
NWE
NCAS
A10
26
1
25
2
24
3
23
4
22
5
21
6
19
8
18
9
17
10
16
11
15
12
14
13
DRAM
C3ABMB000050
IC7003
A10
A8
A1
A6
A4
A3
A5
A2
A7
A0
VCC
VSS
VCC
VSS
NC
DQ2
NWE
NCAS
DQ3
A9
NOE
NRAS
DQ4
DQ1
A9
A0
A7
A8
NCAS
D2
D3
A10
C7402
0.1
C7401
0.1
A1
A6
A3
A2
A4
A5
NWE
D1
0
R7401
NRAS
D0
66
16.2. MAIN CIRCUIT (1/6)
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C
D
B
E
G
H
F
B
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 2
RX-D55EG MAIN CIRCUIT
2/6
3/6
5/6
1/6
4/6
6/6
TO MAIN
SECTION (2/6)
SECTION (2/6)
TO MAIN
SECTION (4/6)
SECTION (4/6)
P1
2
3
4
1
P1
: FM/AM SIGNAL LINE
: FM SIGNAL LINE
: +B SIGNAL LINE
: AM SIGNAL LINE
: MUSIC PORT AUDIO INPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: CD/TAPE AUDIO INPUT SIGNAL LINE
5
R5939
0
R2501
220
R2500
220
CD_RCH
R2505
10K
R2517
100K
100K
R2516
R2502
10K
TAPE_RCH_OUT
TAPE_LCH_OUT
MPORT_RCH
TUNER_LCH
TUNER_RCH
MPORT_LCH
C2506
2200P
2200P
1K
R4121
47K
R3122
47K
R3129
C2505
2200P
2200P
220P
C2508
220P
C2509
R2509
18K
R2508
18K
R2503
18K
1
C2501
R2504
18K
220P
C2503
C2500
1
C2502
220P
R2530
2.2K
C2525
0.015
C2531
0.015
0.015
C2524
R4164
22K
C4177
0.1
R4163
22K
2
3
1
5
4
6
B1HBECA00004
Q4102
MUTING
50V1
C4178
C4176
0.1
1
C4141
R4125
10K
R2531
2.2K
50V0.1
C2538
R2532
10K
R2535
10K
R2533
2.2K
C2526
0.015
0.15
C2527
0
C2530
0.15
0.15
C2528
0.15
C2529
ASP_CLK
C2523
47P
ASP_DATA
C2532
47P
18K
R2506
C2504
1
18K
R2507
16V47
C2521
C2518
1
C2517
220P
18K
R2520
18K
R2521
1
C2514
2
1
31
7
26
8
25
5
4
29
28
6
27
17
18
15
16
13
11
9
10
12
21
20
23
24
22
14
19
3
30
32
C1BB00000732
ASP
IC2500
C2516
220P
220P
C2507
220P
C2511
C2510
1
R4132
R4136
R4127
10K
0
R4133
R4134
C4142
1
C2534
50V0.33
16V47
C2533
R4123
0
R2536
100
C2536
50V0.1
A9V
R4135
22K
22K
R4131
3.9K
3.9K
47P
C2537
R2534
2.2K
C2535
47P
REC_LCH_IN
MUTE_A
REC_RCH_IN
CD_LCH
AGND
A1
MPORT_LCH
MNF2
SEL2OUT MOUT1
VIN1
REC2
SEL1OUT
REC1
VIN2
MNF1
C1
C2
B1
B2
E1
E2
D2
GND
FILTER
D1
TAPE_RCH
TUNER_LCH
CD_LCH
CD_RCH
TUNER_RCH
A2
TAPE_LCH
S1
SC
BNF1
BOUT2
BNF2
BOUT1
VCC
CAP
RIGHT
LEFT
MOUT2
MPORT_RCH
3.3K
R5935
3.3K
R5934
R4124
1K
2700P
C4138
R4122
1K
2700P
C4137
R4129
3.3K
C4140
0.12
3.3K
R4128
C4139
0.12
C2515
0.15
C2519
0.15
C2522
0.15
C2520
0.15
67
16.3. MAIN CIRCUIT (2/6)
15
16
17
18
19
20
21
22
23
24
25
26
27
28
B
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 3
RX-D55EG MAIN CIRCUIT
2/6
3/6
5/6
1/6
4/6
6/6
TO MAIN
SECTION (1/6)
SECTION (1/6)
TO MAIN
SECTION (5/6)
SECTION (5/6)
TO MAIN
SECTION (3/6)
SECTION (3/6)
P1
2
4
3
1
P1
AA
AC
P1
AB
D
TO
PANEL CIRCUIT
(ZJ903*)
IN SCHEMATIC
DIAGRAM - 9
PANEL CIRCUIT
(ZJ903*)
IN SCHEMATIC
DIAGRAM - 9
: FM/AM SIGNAL LINE
: FM SIGNAL LINE
: +B SIGNAL LINE
: AM SIGNAL LINE
: MUSIC PORT AUDIO INPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: CD/TAPE AUDIO INPUT SIGNAL LINE
5
L4106
0
L4107
0
R4157
560
10K
R4159
10K
R4158
L4108
J0JBC0000019
R4156
560
7
6
3
2
4
1
5
JK4101
PHONES
C4146
16V10
16V10
C4154
25V3300
PGND
FP4100
5A
C4145
25V100
DGND
TUNER_GND
MUTE_A
M+9VGND
2
1
4
3
CN4104
R-
R+
L+
L-
13
8
5
1
2
3
4
6
7
9
10
11
12
14
IC4101
C1BA00000420
POWER AMPLIFIER
R4165
68K
R4166
100K
C4120
16V10
2.2
R4143
47K
R5927
0
R4126
8.2K
R4130
Q4103
B1ADCE000012
Q4101
B1GBCFJN0033
INVERTER
INVERTER
R4146
2.2
C4143
2700P
C4144
2700P
2700P
C4157
0.22
R4148
2.2
C4163
0.22
C4156
0.22
2.2
R4147
C4161
0.22
12VCC
STDBY
12VCC
PWRGND
LCH_IN
LOUT(+)
LOUT(-)
PWRGND
ROUT(+)
ROUT(-)
RCH_IN
RIP_FIL
PRE_GND
SIGNAL
MUTE
0.1
C4152
R4161
22K
R4162
22K
2
3
1
5
4
6
MUTING
B1HBECA00004
Q4109
68
16.4. MAIN CIRCUIT (3/6)
29
30
31
32
33
34
35
36
37
38
39
40
41
42
A
C
D
B
E
G
H
F
B
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 4
RX-D55EG MAIN CIRCUIT
2/6
3/6
5/6
1/6
4/6
6/6
TO MAIN
SECTION (6/6)
SECTION (6/6)
TO MAIN
SECTION (2/6)
SECTION (2/6)
P1
A
TO
CD SERVO
CIRCUIT (CN7002)
IN SCHEMATIC
DIAGRAM - 1
CIRCUIT (CN7002)
IN SCHEMATIC
DIAGRAM - 1
D
TO
PANEL CIRCUIT
(ZJ900*)
IN SCHEMATIC
DIAGRAM - 9
(ZJ900*)
IN SCHEMATIC
DIAGRAM - 9
1
22
C
TO
DECK CIRCUIT
(JW830*)
IN SCHEMATIC
DIAGRAM - 8
DECK CIRCUIT
(JW830*)
IN SCHEMATIC
DIAGRAM - 8
J
TO
MUSIC PORT
CIRCUIT (CN904*)
IN SCHEMATIC
DIAGRAM - 11
MUSIC PORT
CIRCUIT (CN904*)
IN SCHEMATIC
DIAGRAM - 11
: FM/AM SIGNAL LINE
: FM SIGNAL LINE
: +B SIGNAL LINE
: AM SIGNAL LINE
: MUSIC PORT AUDIO INPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: CD/TAPE AUDIO INPUT SIGNAL LINE
K
TO
USB CIRCUIT
(P901)
IN SCHEMATIC
DIAGRAM - 12
USB CIRCUIT
(P901)
IN SCHEMATIC
DIAGRAM - 12
22
1
STBY3.3V
MPORT_LCH
MPORT_RCH
R2538
0
2.2K
R5913
MOTOR_ON
LCD_ON
Q4116
B1ACCF000094
47K
R5921
AGND
M+9VGND
R5923
0
B1GBCFJN0033
POWER SUPPLY
SWITCH
Q4117
RM_IN
RMT_ON
LCD_CLK
Q2103
B1GDCFNN0007
POWER SUPPLY
REC_LCH_IN
3
1
2
CN4105
R2100
0
REC_RCH_IN
6
8
9
7
2
1
4
5
3
10
CN2104
TAPE_RCH_OUT
A9V
TAPE_LCH_OUT
R2108
4.7K
R2109
4.7K
USB_SDA
R2110
4.7K
USB_IRQ
3.3V
USB_SCL
100
R2103
100
R2106
100
R2105
BLKCK
CD_MDATA
STAT
CD_MCLK
CD_MLD
PGND
100
R2107
100
R2104
CD_RST
B0EAKM000117
D2104
B0EAKM000117
D2105
AGND
R2111
0
DGND
L2102
J0JKB0000020
R2102
100
1000P
C2103
CD_RCH
CD_LCH
C2101
1000P
1000P
C2102
6
8
9
7
2
1
4
5
3
10
CN2105
6
5
8
9
11
12
10
18
15
17
16
20
19
13
14
7
2
1
4
3
22
21
CN2101
REST_SW
LOADING
REC_H
KEY2
KEY1
LCD_CE
LCD_DI
TAPE_L
CD_OPEN_SW
R_IN
M+9VGND
AGND
TAPE_L
M+9V
L_IN
REC_H
AGND
MPORT_LCH
MPORT_RCH
9V
L_OUT
R_OUT
LOADING
PGND
STAT
CD_UNLOAD
BLKCK
CD_RST
CD_DGND
ST_IN
CD_MLD
CD_3.3V
CD_MDATA
ST_CLK
CD_R
CD_3.3V
CD_L
ST_REQ
CD_MCLK
CD_AGND
TX (NC)
REST_SW
LD_SW/CLDCK
3.3V
RMT_P
KEY2
LCD_CE
LCD_CLK
BU3.3V
LCD_DI
RMT_ON
DGND
KEY1
CD_7.5V
1000P
C2121
0.1
TERR
D5V
MMOD
USB_RST
VERR
CN2100
6
5
8
9
11
12
10
18
15
17
16
20
19
13
14
7
2
1
4
3
22
21
DGND
USB5V
VERR
USB_SCL
USB_IRQ
DGND
DGND
CD_CLK
CD_DATA
STIN
DGND
D3.3V
TERR
MMOD
STREQ
STCLK
USB_RST
CD_MLD
CD_STAT
CD_RST
DGND
USB_SDA
R5936
1K
R5937
4.7K
R5931
0
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