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Model
SC-HC35DBEB SC-HC55DBEB SC-HC55DBGN SC-HC55EG SC-HC55P SC-HC55PC SC-HC55PU
Pages
117
Size
12.8 MB
Type
PDF
Document
Service Manual / Supplement
Brand
Device
Audio / COMPACT STEREO SYSTEM
File
sc-hc35dbeb-sc-hc55dbeb-sc-hc55dbgn-sc-hc55eg-sc-h.pdf
Date

Panasonic SC-HC35DBEB / SC-HC55DBEB / SC-HC55DBGN / SC-HC55EG / SC-HC55P / SC-HC55PC / SC-HC55PU Service Manual / Supplement ▷ View online

25
3.14. MAIN (SOUND) CIRCUIT (For SC-HC55P/PC-K)
With reference to original service manual (section 15.9.) on page 122 for Model No. SC-HC55P/PC-K
 MAIN (SOUND) CIRCUIT
SCHEMATIC DIAGRAM - 8
SC-HC55P/PC
MAIN (SOUND) CIRCUIT
: +B SIGNAL LINE
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
R8002
33
R8000
33
33
R8001
C8000
0.1
7
5
6
1
2
4
3
10
12
14
15
16
13
11
8
9
IC8000
C0JBAR000596
2-CH MULTIPLEXER
R113
33
33
33
R114
R135
C152
0.01
R130
SDATA_D-AMP
YMH_ENA
CLK_BCLK_D-AMP
CLK_BCLK
CLK_SCL
YMH_RESET
CLK_YMH_MCLK
SDA
SDATA
CLK_LRCK
CLK_LRCK_D-AMP
R112
R125
33
33
33
R111
100
10
C144
C145
C110
0.1
10
0.1
C111
C115
0.1
10K
R110
DGND
D3R3V
C1101
1
C1100
2.2
3
1
2
4
5
C0CBCAC00358
+1.8V REGULATOR
IC1008
X100
C113
10P
10P
C112
R124
1M
C114
0.1
10P
C151
C150
10P
47
45
43
40
41
38 37
39
42
44
46
23 24
35
32
33
28
25
27
26
30
31
29
34
36
6
1
4
2
3
5
48
8
9
7
10
12
11
13 14 15 16 17 18 19 20 21 22
IC101
C2HBCY000072
DSP
C149
0.1
R120
0
SDA
GPIO3
/ST
SDATA_
YMH_OUT
SELECT
VCC
DVSS
GPIO7
GPIO8
DVDD18
SDATA0_
YMH_IN
4A
[1] DVSS
[2] GPIO6
GPI10
GPI11
GPIO9
DVDD3
GPIO4
GPIO5
GPIO2
4Y
LRCK_
YMH_OUT
SDATA0_OUT
4B
DVDD18
IN
OUT
ON/
OFF
NC
GND
LRCK_
YMH_IN
GPIO0
GPIO1
TEST1
BCK_
YMH_OUT
BCL_
YMH_IN
LRCK_OUT
DVSS
BCK_OUT
GND
TEST
PLLDVSS
IC_N
PLLDVDD
XIN
DVDD3
SDA
SCL
[14] PLLAVSS
[15] XOUT
[13] PLLAVDD
MS
MS
MS
MS
MS
MS
MS
MS
MS
MS
MS
MS: MAIN (SOUND) SCHEMATIC DIAGRAM 3,8
MS
MS
CHANGE
18P
18P
26
3.15. MAIN (iPod) CIRCUIT (For SC-HC55P/PC-K)
With reference to original service manual (section 15.10.) on page 123 for Model No. SC-HC55P/PC-K
SCHEMATIC DIAGRAM - 9
 MAIN (iPod) CIRCUIT
SC-HC55P/PC
MAIN (iPod) CIRCUIT
MU: MAIN (iPod) SCHEMATIC DIAGRAM 3,9
: +B SIGNAL LINE
TO
CD SERVO
CIRCUIT 
(CN7901)
IN SCHEMATIC
DIAGRAM - 2
TO
iPhone CIRCUIT 
(CN1002)
IN SCHEMATIC
DIAGRAM - 10
: iPod/iPhone SIGNAL LINE
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
R7900
DGND
D5V
DGND
IPOD_DET
PW_VBUS
IPOD5V
POWER SUPPLY
POWER CONTROL
IPOD_PCONT
S
D
G
Q7902
B1DHCC000034
QR7900
2
3
1
5
4
CN7902*
R7914
0
R7912
0
R7902
C7901
R7906
R7905
R7903
Q7900
R7904
5.6K
Q7901
R7901
43K
Q7903
R7910
LB7901
LB7902
2
3
1
5
4
CN7901*
LB7905
LB7903
LB7904
DGND
D-
D+
IPOD_DET
VBUS
D-
VBUS
IPOD_DET
D+
DGND
MU
MU
MU
MU
MU
MU
MU
R7909
100K
C7903
4.7
B1GBCFJN0038
2.2K
SWITCH
Q7900
B1ADCF000001
SWITCH
Q7901
B1ABCF000176
SWITCH
Q7903
B1ADCF000001
4.7K
4.7K
75K
0.1
51K
51K
0
0
0
0
J0JYC0000025
NOTE: “ * ” REF IS FOR INDICATION ONLY
R7915
10K
(R7915)
ADD
27
3.16. iPhone, TUNER & MOTOR CIRCUIT (For SC-HC55P/PC-K)
With reference to original service manual (section 15.11.) on page 124 for Model No. SC-HC55P/PC-K
 iPhone CIRCUIT
SCHEMATIC DIAGRAM - 10
SC-HC55P/PC iPhone / TUNER / MOTOR CIRCUIT
DOCK FOR iPod / iPhone
TO
MAIN (iPod)
CIRCUIT (CN7901*)
IN SCHEMATIC
DIAGRAM - 9
 TUNER CIRCUIT
TO
MAIN CIRCUIT
(CN350)
IN SCHEMATIC
DIAGRAM - 4
9
1
TO
REMOTE SENSOR
CIRCUIT (P904B*)
IN SCHEMATIC
DIAGRAM - 11
 MOTOR CIRCUIT
: iPod/iPhone SIGNAL LINE
: +B SIGNAL LINE
:TUNER AUDIO INPUT SIGNAL LINE
: AM SIGNAL LINE
: FM SIGNAL LINE
: +B SIGNAL LINE
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
6
7
5
9
25
24
26
21
20
22
17
18
13
10
12
11
16
14
15
19
23
28
27
8
1
3
4
2
29
30
CN1001
L1004
0
L1003
0
USB_D-
R1314
0
USB_D+
2
3
1
5
4
CN1002
SW1
D4FB1R250006
C1302
0.1
0
R1311
AUDIO_RETURN
IPOD_DET_1
CK1300
L1008
J0JGC0000071
C1304
0.1
CHASSIS_GND
USB_PWR_+5V
L1007
J0JHC0000107
L1006
J0JGC0000071
L1005
J0JGC0000034
C1303
0.1
USB_GND
RESERVED
TX
RX
ACC-DET
S-VIDEO (Y)
FW PWR +12V
FW PWR +12V
OUT-R
S-VIDEO (C)
VIDEO-COMP
OUT - L
D GNDREM SENSE
IN - L
DGND
FW GND
DGND
D-
D+
IPOD_DET
VBUS
FW GND
RESERVED
ACC PWR
FW TPB+
FW TPA+
FW TPA -
FW TPB-
ACC_ID
IN - R
C60
1
C59
1
X51
H0A327200097
CK63
CK61
CK62
CK64
R51
R52
1K
1K
CK66
R62
R61
47K
47K
CK65
3
2
6
7
4
5
1
9
8
CN51
CK68
CK67
C51
1000P
L51
G1CR18JA0020
VA51
EZAEG2A50AX
LB51
CK51
G2
G3
G1
JK51
FM ANT
AM ANT
CK53
CK52
C52
R64
0
R53
4.7K
R54
4.7K
C61
0.1
CK69
R59
2.2K
C57
12P
C58
12P
CK57
2
1
4
1
2
14
T1
17
19 18
16
15
20
3
1
3
Thermal
Pad
1
1
5
10
8
9
7
6
IC52
CK54
1
2
JK52
4
G2
G1
6
2
3
1
L52
R55
R56
R57
220
220
1K
C62
0.1
ROUT
GND
VDD
VIO
SCLK
SDIO
RST
SEN
RFGND
AMI
GND
RCLK
0.47
AM ANT
AM ANT
G2A380Y00002
DFS
DOUT
LOUT
AM/FM RADIO RECEIVER
VUEALLPT031
GCGPO1
GCGPO2
FM ANT
NC
NC
FMI
J0JBC0000032
DCLK
3.3V
SDIO
GND
R OUT
RST
SCLK
GND
L OUT
INT
TL2
TL1
1
2
P904
M-
M+
(RED)
(BLACK)
+
LID MOTOR*
NOTE: “ * ” REF IS FOR INDICATION ONLY
(L1009)
DELETE
(L1001, L1002)
DELETE
(L1024, L1026)
DELETE
28
3.17. PANEL, INTERLOCK SWITCH & BUTTON CIRCUIT (For SC-HC55P/PC-K)
With reference to original service manual (section 15.13.) on page 126 for Model No. SC-HC55P/PC-K
 BUTTON CIRCUIT
SCHEMATIC DIAGRAM - 12
SC-HC55P/PC
BUTTON / PANEL / INTERLOCK SWITCH CIRCUIT
 PANEL CIRCUIT
TO
MAIN CIRCUIT (CN900)
IN SCHEMATIC
DIAGRAM - 5
 INTERLOCK SWITCH CIRCUIT
TO
REMOTE SENSOR
CIRCUIT (P901)
IN SCHEMATIC
DIAGRAM - 11
TO
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
TP
3
TP
4
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
PLAY/PAUSE/
CANCEL CALL
POWER
REV SKIP
FWD SKIP
iPod OPEN/CLOSE
VOL+
CD
BLUETOOTH/iPod
VOL-
L6806
C6829
35V22
C6826
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
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
1
9
D902
B3AEB0000139
B3AEB0000139
R6802
0
LNJ926W8CRA
LNJ926W8CRA
CHANGE
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