Panasonic SC-HC35DBEB / SC-HC55DBEB / SC-HC55DBGN / SC-HC55EG / SC-HC55P / SC-HC55PC / SC-HC55PU Service Manual / Supplement ▷ View online
37
3.26. PANEL, INTERLOCK SWITCH & BUTTON CIRCUIT (For SC-HC55DBEBK)
With reference to original service manual (section 15.13.) on page 132 for Model No. SC-HC55DBEBK
BUTTON CIRCUIT
SCHEMATIC DIAGRAM - 12
SC-HC55DBEB
BUTTON / PANEL / INTERLOCK SWITCH CIRCUIT
PANEL CIRCUIT
TO
MAIN CIRCUIT (CN900)
IN SCHEMATIC
DIAGRAM - 5
MAIN CIRCUIT (CN900)
IN SCHEMATIC
DIAGRAM - 5
INTERLOCK SWITCH CIRCUIT
TO
REMOTE SENSOR
CIRCUIT (P901)
IN SCHEMATIC
DIAGRAM - 11
CIRCUIT (P901)
IN SCHEMATIC
DIAGRAM - 11
TO
MAIN CIRCUIT
(CN901)
IN SCHEMATIC
DIAGRAM - 5
MAIN CIRCUIT
(CN901)
IN SCHEMATIC
DIAGRAM - 5
A
B
C
D
E
F
G
H
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
A
B
D
E
F
H
G
C
NOTE: “ * ” REF IS FOR INDICATION ONLY
R924
3.3K
S904
R923
2.2K
S903
R922
1.5K
S906
S907
S905
4.7K
R925
6.8K
R926
S901
S902
1.2K
R921
S915
S912
S914
S913
1.5K
R912
3.3K
R914
2.2K
R913
R911
1.2K
S911
STOP/CALL
RADIO/EXT-IN
CD OPEN
/CLOSE
/CLOSE
PLAY/PAUSE/
CANCEL CALL
CANCEL CALL
POWER
REV SKIP
FWD SKIP
iPod OPEN/CLOSE
VOL+
CD
BLUETOOTH/iPod
VOL-
L6806
C6829
35V22
35V22
C6826
35V22
35V22
L6802
C6828
35V22
C6827
0.1
C6824
0.01
C6825
10V22
3
2
6
7
4
5
1
9
8
CN6801
C6801
35V22
38
8
2
1
33
25
1
2
0
2
8
1
0
1
9
19
14
11
12
13
17
15
16
22
23
24
26
30
32
29
31
35
34
27
28
7
6
5
39
FL6801
1000P
C6809
1000P
C6806
1000P
C6805
1000P
C6808
1000P
C6807
0
R6806
0
R6808
0
R6807
10K
R6805
R6804
100K
0.01
C6820
1000P
C6814
1000P
C6816
1000P
C6819
1
2
3
4
5
6
7
8
9 10 11
33 32 31 30 29 28 27 26 25 24 23
12
13
14
15
16
17
18
19
20
21
22
44
43
42
41
40
39
38
37
36
35
34
IC6801
C0HBB0000057
FL DISPLAY DRIVER
1000P
C6815
1000P
C6810
1000P
C6811
GRID04
SEG13
GRID02
SEG14
GRID03
SEG09
SEG08
SEG10
SEG06
SEG03
SEG05
SEG04
SEG07
SEG14
SEG13
SEG16
SEG15
SEG11
SEG12
SEG11
SEG12
[24] SEG06
SEG08
[23] SEG07
SEG10
SEG09
SEG04
SEG02
SEG03
SEG05
GRID04
GRID05
GRID03
GRID08
GRID07
GRID11
GRID10
SEG01
SEG02
SEG17
GRID09
GRID06
GRID05
GRID10
-VP
SEG17
GRID11
SEG01
[34] GRID09
[35] GRID08
[35] GRID08
GRID06
GRID07
FL_DI
D3.3V
FL_CE
FL_CL
DGND
FL+
-VP
VP_GND
FL+
FL-
0
FL2
FL2
NC
VSS
DOUT
VSS
NC
NC
NC
NC
NC
OSC
VDD
SEG16
SEG15
FL_CLK
FL_CS
VDD
GRID01
FL_DATA
0
FL1
FL-
GRID02
FL1
GRID01
FL DISPLAY
TP
6805
TP
6806
TP
6809
TP
6802
TP
6803
TP
6801
TP
6804
TP
6807
TP
6808
A2BB00000179
: +B SIGNAL LINE
: +B SIGNAL LINE
: -B SIGNAL LINE
4
3
1
2
S641
4
3
1
2
S644
4
3
1
2
S642
2
3
1
5
4
P901*
4
3
1
2
S643
POSITION (C)
POSITION (R)
VREF-
POSITION (L)
CENTER
LEFT
INTERLOCK_SW
INTERLOCK
RIGHT
R3005
47K
47K
R910
120
D904
R919
220
220
R916
B1GBCFJN0038
B1GBCFJN0038
Q902
LED DRIVE
Q904
LED DRIVE
B3AAB0000038
D900
7
9
10
8
4
5
1
3
2
6
12
11
CN6802
S
D
G
R3006
C3003
10
QR3001
D3002
D3001
B3EB00000058
B3EB00000058
S
D
G
Q3002
Q3002
C3001
0.1
C3002
1
R3004
470K
6
7
T1
5
2
4
3
8
ThermalPad
1
AMBIENT LIGHT
& PROXIMITY SENSOR
IC3001
R3001
47K
47K
47K
R3002
R3003
INT
IRDR
MOTION_INT
MOTION_IRDR
7.5V
D3.3V
MOTION_LED1
KEY2
KEY1
DGND
PWR_LED
MOTION_SCL
MOTION_SDA
MOTION_LED2
SCL
SDA
C1ZBZ0004386
VDD
ADDR0
GND
REXT
B1GBCFJN0038
SWITCH
B1DHCC000034
IR LED DRIVE
Q3001
Q3001
B1DHCC000034
IR LED DRIVE
TP
3
1
9
TP
2
R6801
0
D902
B3AEB0000139
B3AEB0000139
CHANGE
LNJ926W8CRA
LNJ926W8CRA
38
3.27. SMPS CIRCUIT (For SC-HC55DBEBK)
With reference to original service manual (section 15.14.) on page 133 for Model No. SC-HC55DBEBK
SMPS CIRCUIT
SCHEMATIC DIAGRAM - 13
SC-HC55DBEB SMPS
CIRCUIT
: +B SIGNAL LINE
TO
MAIN CIRCUIT
(CN1004*)
IN SCHEMATIC
DIAGRAM - 6
MAIN CIRCUIT
(CN1004*)
IN SCHEMATIC
DIAGRAM - 6
NOTE: “ * ” REF IS FOR INDICATION ONLY
A
B
C
D
E
F
G
H
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
A
B
D
E
F
H
G
C
1
3
C
A
R
2
3.3M
R748
R746
68K
R743
C717
0.15
R745
3.3M
3.3M
R732
120
R714
0
R712
B3PBA0000503
FEEDBACK
FEEDBACK
PC702
D717
B0JCME000035
D708
B0ECKP000055
2200P
C710
F1BAF2220023
C720
100P
1
2
3
5
6
T701
ETS28BT11GAC
MAIN TRANSFORMER
R725
100
R722
33K
0.22
C718
F751
Z752
ERZVA5Z471
F0CAF104A105
0.1
C725
F0CAF104A105
0.1
C702
F1BAF1020020
1000P
C728
F1BAF1020020
1000P
C727
P751
R726
1.5M
1.5M
3
2
4
1
L702
G0B183E00004
3
2
1
ZJ701
10
R721
0.15
R718
C706
400V100
C705
0.01
0.01
B0ACMQ000002
CURRENT LIMITING SWITCH
D707
S
D
G
B1KAB0000021
Q701
220pF
C731
R724
1.5M
1.5M
1
2
3
4
D701
B0EBNR000045
0
R708
3.3
R719
G2
G1
TH702
D4CC11040013
4.7M
R744
0.22
C716
0.1
C721
R701
1K
C723
1000P
47K
4
3
1
2
PC701
B3PBA0000503
C715
1000P
R749
10K
C713
50V4.7
D715
B0BC02900004
C711
0.1
1K
R747
6
7
5
2
4
3
8
1
IC700
C0DBZYY00448
SWITCH-MODE
POWER SUPPLY CONTROLLER
C703
25V1000
150K
R710
R716
0.1
C709
C714
1000P
R706
1K
C712
0.1
2
4
3
1
6
5
CN905
330
R717
C704
220P
G2
G1
ZA701*
HEATSINK
1
2
B0ABSM000008
D702
R702
47
3
2
1
ZJ702
R720
24K
1.5K
R728
VCC
GND
DRIVER
ISENSE
T3.15A 250V
18V
18V
PRELOAD
FRD
FRD
18VGND
STBY_CTRL
18VGND
OPTMR
PROT
VINS
CTRL
3
7
8
9
10
GND
GND
+18.4V
+18.4V
GND
VCC
4
3
1
2
AC IN
220-240V
50Hz
2.2K
R727
C722
56P
ZA700*
HEATSINK
(Q701)
TH701
D4CAA5R10001
R703
R704
C732
150P
K4*
K5*
R723
G1C100K00019
68K
68K
CORRECTION POINT
ADD
(C732)
B0HCMM000019
C0DBEYY00070
SHUNT REGULATOR
IC702
DELETE
(IC701)
ADD
(IC702)
DELETE
DELETE
(L703)
ADD
(K4*, K5*)
39
CHANGE
B0ACCK000012
CHANGE
220K
10M
10M
10M
27K
39
3.28. CD SERVO CIRCUIT (2/2) (For SC-HC55EG-K/W)
With reference to original service manual (section 15.3.) on page 116 for Model No. SC-HC55EG-K/W
15
16
17
18
19
20
21
22
23
24
25
26
27
28
15
16
17
18
19
20
21
22
23
24
25
26
27
28
A
C
D
B
E
G
H
F
A
SCHEMATIC DIAGRAM - 2
TO CD SERVO
CIRCUIT (1/2)
CIRCUIT (1/2)
: +B SIGNAL LINE
CD SERVO CIRCUIT
1
3
2
4
P1
TO
MAIN CIRCUIT
(CN7002)
IN SCHEMATIC
DIAGRAM - 6
MAIN CIRCUIT
(CN7002)
IN SCHEMATIC
DIAGRAM - 6
27
1
SC-HC55EG
CD SERVO
CIRCUIT
2/2
1/2
TO
MAIN (USB/iPod)
CIRCUIT
(CN7902*)
IN SCHEMATIC
DIAGRAM - 9
MAIN (USB/iPod)
CIRCUIT
(CN7902*)
IN SCHEMATIC
DIAGRAM - 9
FOR DEBUG
: CD AUDIO INPUT SIGNAL LINE
: iPod/iPhone/USB SIGNAL LINE
A2
A5
A4
VDD
A3
DQ15
VSS
DQ1
DQ14
VDD
DQ0
NC
DQ8
DQ9
NC
A6
A8
A9
CLK
CKE
A7
DQ13
DQ7
VDD
DQ2
DQ3
VSSQ
DQ5
DQ6
/LDOM
DQ4
VDDQ
BA0
A10/AP
/CAS
/WE
/CS
A1
A0
/RAS
VSSQ
VDDQ
DQ12
DQ10
UDQM
VSSQ
DQ11
VDDQ
VSSQ
NC
NC
NC
GND
EE_DAT
VCC
EE_CLK
WP
C3ABMY000027
IC7704
SDRAM
C3EBFC000042
IC7851
EEPROM
MFI341S2164
IC7501
MICRO-CONTROLLER
R7265
100
R7266
100
C7233 0.01
0
33
BLKCK
NRST
STATUS
CD_IIS_LRCK
R7264
100
R7253 100
MDATA
R7262
100
K7202
100
C7626
10
0.01
C7166
MCLK
MLD
CD_IIS_SRDATA
USBIN
R7504
10K
R7503
10K
R7505
10K
R7502 100
R7501
100
C7502
0.01
330P
C7501
1K
R7254
C7243
0
4
3
1
2
S7201
D6
NCAS
A1
A0
A3
A2
NRAS
A10
A11
D7
NWE
C7160
0.1
A9
D2
D4
D3
C7159
0.1
1
C7156
D1
D0
D5
C7155
1
D1
D0
C7150
0.1
EECS
C7852
330P
2
1
7
8
4
5
3
6
EXTG0
NRST
SCLK
SDATA
R-CLK
R7158
33
2
3
1
5
4
CN7801
D7
C7158
0.1
0.1
A5
A6
A4
A8
A9
A7
2
1
49
11
12
10 9
40
39
41
13
38
6
4
5
45
47
46
8
7
43
42
44
27
26
24
25
15 14
16
17
19
20
22
18
21
30
29
34
33
35 36 35
31 32
23
28
3
48
50
D3
D4
D2
C7154
D6
C7157
0.01
D5
IPHONE_SDA
IPHONE_CLK
2
1
20
19
15
14
17
16
18
6
7
4
3
5
12
13
10
11
8
9
IPHONE_RST
0.01
C7851
C7853
330P
EEDATA
R7853
3.3K
EECLK
REST_SW
10K
R7255
K7268
0
10
C7207
M+
M-
LID_LEFT
LID_RIGHT
VTUNER
DVSS
DGND
DGND1
3.3V
C7253
CD_IIS_BCLK
K7701
CD_IIS_MCLK
K7702
K7705
K7703
K7704
J0JBC0000012
J0JBC0000012
J0JBC0000012
J0JBC0000012
1
6
7
5
9
12
13
10
11
18
25
26
23
24
27
20
19
22
21
16
14
15
17
8
2
4
3
C7704
15P
LDSW
NC
NC
NC
I2C_SCL
NC
NC
MODE0
I2C_SDA
NC
NC
NC
NC
VSS
NC
5V
5V
N
MODE1
VCC
9V
NC
NRESET
NC
DGND
PGND
LOADING
OPEN_SW
REST SW
CD_SI/ MDATA
CD_SO/ STAT
CD_RESET/ RST
LDSW
USB_IN
CD_SREQ/ BLKCK
CD_SCLK/ MCLK
CD_MREQ/ MLD
DGND
CD_IIS_MCLK
3.3V
M+
M
VTUNER_IN
LID_LEFT
LID_RIGHT
5V
CD_IIS_LRCK
CD_IIS_BCLK
CD_IIS_SRDATA
RESET SW
OCD_SCL
VSS
OCD_SDA
STBY3.3V
NRST
CN7002
1
TP
11
TP
10
TP
18
TP
14
TP
20
TP
12
TP
7
TP
8
TP
9
TP
2
TP
3
TP
USBDM
USB_SEL
CN7901
USBDP
1K
R7896
C7903
0.01
R7904
33
R7902
33
R7901
R7903
2
3
1
5
4
D-
D+
DGND
IPOD_DET
VBUS
22K
22K
16
TP
VSS
-
52
TP
CP3 CP4
CP31
K7278
0
ADD
(K7278)
40
3.29. MAIN CIRCUIT (2/4) (For SC-HC55EG-K/W)
With reference to original service manual (section 15.5.) on page 118 for Model No. SC-HC55EG-K/W
B
2/4
4/4
1/4
3/4
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 4
SC-HC55EG MAIN
CIRCUIT
TO MAIN
CIRCUIT (1/4)
CIRCUIT (1/4)
TO MAIN
CIRCUIT (4/4)
CIRCUIT (4/4)
P1
9
1
TO
TUNER CIRCUIT
(CN51)
IN SCHEMATIC
DIAGRAM - 10
TUNER CIRCUIT
(CN51)
IN SCHEMATIC
DIAGRAM - 10
TO LEFT SPEAKER
TO RIGHT SPEAKER
: CD AUDIO INPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: iPod/iPhone/USB SIGNAL LINE
: +B SIGNAL LINE
:TUNER/BLUETOOTH/AUX/MIC AUDIO INPUT SIGNAL LINE
15
16
17
18
19
20
21
22
23
24
25
26
27
28
A
C
D
B
E
G
H
F
R129
R128
L954
J0JBC0000014
C129
C131
1
C132
1
R126
R127
C134
C950
MUTING
MUTING
MUTING CONTROL
C993
R959
R955
C133
C135
C136
C137
C130
1
2
CN102
RCH-
C141
CL950
SPKL+
1
2
CN106
L103
G1C150M00023
G1C150M00023
C138
L104
C952
R958
VCC18V
R963
L102
G1C150M00023
C128
C127
C956
LCH+
C139
C162
CK10
R140
CK11
L105
G1C150M00023
RCH+
LCH+
C140
Q952
Q952
B1GFGCAA0001
R969
R968
R957
R960
C951
L955
J0JBC0000014
3
2
5
4
1
6
3
2
5
4
1
6
Q951
Q951
B1GFGCAA0001
+3.3V REGULATOR
C0DBGYY00887
R971
HP_MUTE
R970
R972
R966
R967
B1ADCE000012
Q950
Q950
6
2
3
4
5
1
7
JK952
HEADPHONE
VCC18V
18V_GND
CHASSIS GND
R122
B1GBCFJN0038
QR100
MUTING
MUTEA
AGND
D_AMP_RESET
R138
D3R3V
C123
0
K107
CLK_MCLK
C122
R134
R119
R133
R131
R132
APD
C121
R137
PDET2
CLK_BCLK_D-AMP
CLK_LRCK_D-AMP
SDATA_D-AMP
C124
SDA
CLK_SCL
SPKR+
4
5
T1
45
46
44
48 47
2
1
3
32
34
36
35
33
42
40
41
43
37
39 38
8
16 17
15
13 14
9
6
7
27
25
22 23
20
19
21
24
26
18
30
31
28
29
Thermal
Pad
11
12
10
C1AB00003600
IC103
C125
C126
270
R973
390
R974
390
4.7
6.8
470
0.22
390
390
270
6.8
2200P
CHASSIS GND
25V220
1
LCH+
0.1
390
1.5K
0.22
6.8
2200P
0.01
RCH+
0
2200P
2200P
6.8
LCH -
RCH -
LCH +
0.1
0.1
0.1
0.1
RCH +
NC
TEST3
[13]MONI1
MONI1
ERROR
1.5K
PLL
DVDD
VSS
1
1
TEST2
REG15
NC
220
LRCLK
MUTEX
SCL
SDA
4.7K
220
[1]ADD
SDATA
RSTX
MCLK
33
TEST1
BCLK
DGND
220
BSP2P
[26]GND
[25]GND
OUT2P
VCCP2
OUT2P
BSP2N
OUT2N
OUT2N
1
NC
REG_G
10
10
270
270
1000P
NC
VCCP2
ASP
ST_MONO
NC
NC
[38]OUT1P
[37]BSP1P
[37]BSP1P
1
25V220
VCCP1
VCCP1
OUT1P GNDP1
1
GNDP1
OUT1N
BSP1N
OUT1N
1K
1K
390
47K
0.027
0
2700P
CLK_TU_SCL
TU_SDA
TU_INT
TU_RST
C351
1
1
C352
3
2
6
7
4
5
1
9
8
CN350
D5V
C707
L350
L701
0
0
10
3
2
4
1
IC702
C708
GND
10
CE
VIN
OUT
VSS
3.3V
INT
RST
SCLK
SDIO
GND
R OUT
L OUT
C954
1
5
4
3
2
6
7
MPORTR
C953
R952
C960
R951
L951
J0JBC0000019
L952
J0JBC0000019
L953
J0JHC0000118
R954
L950
J0JBC0000019
MPORTL
C959
MPORT_SW
18V_GND
AGND
C958
JK951
AUX
(EXT-IN)
4700P
4700P
1
1
0
12K
12K
1000P
P1
TUNER_GND
TU_L
TU_R
K110
0
C955
CHASSIS_GND
C961
1000P
1000P
CK12
C158
C159
1000P
1000P
C157
1000P
C160
1000P
C957
1000P
C992
1000P
C991
1000P
R150
0
R151
0
R152
0
R153
0
C161
0
R953
2.2
(L110, L111, L112, L113)
DELETE
(R150, R151, R152, R153)
ADD
1000P
CHANGE
(R123)
DELETE
100
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