Panasonic SC-EN37EB / SC-EN37EG Service Manual ▷ View online
13 Block Diagram
13.1. CD Servo
SC-
EN37EB/EG-K CD SERVO BLOCK DIAGRAM
TO MAIN
(2/2)
TO MAIN
(2/2)
TO MAIN
(1/2)
TO MAIN
(2/2)
TO MAIN
2/2
CN7002 FP701
3
CN7002 FP701
7
CN7002 FP701
5
CN7002 FP701
8
CN7002 FP701
6
CN7002 FP701
12
CN7002 FP701
4
CN7002 FP701
21
CN7002 FP701
2
CN7002 FP701
19
B
VREF
VREF
VREF
M7302
SPINDLE
MOTOR
M7301
TRAVERSE
MOTOR
M
M
T-
T+
F+
F-
PHOTO DETECTOR
OPTICAL PICKUP
SEMICONDUCTOR
LASER
Q7601
LASER
POWER DRIVE
FOCUS COIL
TRACKING
COIL
B
B
B
B
B
A
B
F
E
MN6627954MA
SERVO PROCESSOR/
DIGITAL SIGNAL
PROCESSOR/
DIGITAL FILTER
D/A CONVERTER
IC7001
A, B, C, D, E, F
X7201
IC7002
BA5948FPE2
IN4
27
TRP
IN3
28
FOP
IN2
1
TRVP
IN1
3
SPOUT
PC2
2
VREF
26
D4-
18
D4+
17
D3-
16
D3+
15
D2+
14
D2-
13
D1+
12
D1-
11
PC1
4
PC
MUTE
[CH1]
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
[CH3]
[CH4]
[CH2]
[CH1]
MUTE
[CH2]
4 CH DRIVE
TRV+
TRV-
SP-
SP+
79
81
80
70
69 67 68
51 53 52 54
55
82
61
72
47
35~40
31
42
41
41
49
48
45
43
32
34
44
22
21
24
25
25
23
29
30
66
57
AVSS1
TX
SRVMON1
SRVMON0
NTEST
NRST
AVDD2
AVSS2
ARFFB
ARFF
ARFOUT
ARFDC
RFOUT
RFIN
CENV
RFIN
CENV
CTRCRS
OSCIN
VREF
VREF
RFENV
PC
SPOUT
TRVP
TRP
FOP
FOP
LD
PD
A,B,C,D,E,F
NSRVMONON
REGON
MDATA
ARFIN
IREF
DSLF
PLLF
PLLFO
TXTCK
(SBCK)
PRAMVDD33
PRAMVSS33
D0~D15
A0~A11
BA0,BA1
TXTD
DQSY
(SUBC)
(TXNCLDCK)
BLKCK
FLAG
65
71
20
18
83~92,94~99
1~7,11~15
16,17
NWE,NCAS
8,9
NRAS,SDRCK
(LRCK)
(BCLK)
(SRDATA)
10,100
(DVDD2)
76
MCLK
MLD
STAT
(PMCK)
(SMCK)
X2
X1
AVDD1
OUTR
OUTL
58
IOVDD1
77
IOVDD2
27
DRVDD
93
DVDD1
28
DVDD2
76
DVSS1
26
DVSS2
78
DVSS3
60
59 56
46
50
CMOS
RF
AMPLIFIER
TIMING
GENERATOR
[GEN]
SUBCODE
INTERFACE
[DEMECC]
1Mbit
DRAM
REGULATOR
EFM DEMODUALTION
SYNC INTERPOLATION
CIRC ECC
CDROM ECC
[DEMECC]
MICRO COMPUTER
INTERFACE
[MCIF]
DSL/PLL/VCO
[DSLPLL]
SPINDLE
CPU
[DSV]
SERVO
CPU
[DSV]
CIRC RAM
BUS CONTROL UNIT
[BCU]
MP3/WMA
DECORDER
FS
CONVERTER
[FSC]
SERIAL OUTPUT
INTERFACE
[DAO]
DIGITAL FILTER
1bitDAC
PWM LOGIC
[DF, MASH]
ANALOG
LOWPASS
FILTER
DIGITAL
OUT
OUTPUT
PORT
A/D
CONVERTER
MLD
MCLK
MDATA
STAT
3.3V
3.3V 3.3V 3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
S7201
LCH OUT
RCH OUT
REST
SWITCH
SC-EN37EB / SC-EN37EG
37
13.2. Tuner
SC-
EN37EB/EG-K TUNER BLOCK DIAGRAM
T1
CF1
REG
A-OUT
IC1
C1BB00001120
IC TUNER
SWITCH
FM
RF-OUT
FM-OSC
AM-OSC
MPX-IN
LOUT
ROUT
DO
Q2
JW1
TO MAIN
(1/2)
TO MAIN
(2/2)
8
JW1
11
JW1
7
JW1
4
JW1
3
JW1
1
JW1
2
SWITCH
Q1
X1
L51
L7
P1
36
3
FM
RF-IN
FM-MIX
FM
IF-IN
8
AM-MIX
5
AM
IF-IN
7
BO1
29
FMDET
11
CL
17
DI
16
CE
15
VCC1
6
1
AM
RF-IN
2
28
34
32
31
22
12
13
18
1
3
2
AM ANT
FM ANT
D1
D2
D3
SC-EN37EB / SC-EN37EG
38
13.3. Main (1/2), Transformer, Sensor & D-Port
JW1
7
JW1
8
AUX_LCH
D3.3V
LCH
RCH
LCH
RCH
9V
LCH
RCH
T901
MOTOR
TRANSFORMER
D9V
3.3V
5V
5V
3.3V
5V
3.3V
7V
JK601
HEADPHONE
SPEAKER
LCH
JK602
SPEAKER
SPEAKER
RCH
1
5
IN
OUT
3.3V
9
10
C2
C1
CN2401 FP806
1
CN2401 FP806
3
6
7
1
5
2
3
IC3001
C0ABBB000297
IC DUAL OP-AMP
DOCK_LCH
DOCK_RCH
FROM D-PORT
JW601
P601
1
JW601
P601
2
JW601
P601
6
REM_IN
CD_OPEN
CD_CLOSE
PCONT
VCC DET
D5.3V_CTRL
MUTE_B
IC602
C0DAEKG00002
IC REGULATOR
MUTING
SWITCH
FROM TUNER
FROM
CD SERVO
SENSOR CIRCUIT
SENSOR P.C.B
IC301
C1BB00000732
AUDIO SOUND PROCESSOR
12
11
21
22
6
1
7
2
11
6
13
14
5
A1
A2
E1
E2
D2
D1
(CD)
OUT2
19
VCC
OUT1
L_IN
R_IN
L_OUT
R_OUT
12
VCC
SYBY
Q401
(Q501)
Q603,Q604
D604
D603
D613
D612
D602
Q622,Q623
CURRENT LIMITER
REGULATOR
CURRENT LIMITER
SWITCH
CURRENT LIMITER
REGULATOR
CURRENT LIMITER
REGULATOR
QR614
SWITCH
PCONT
SWITCH
Q613
REGULATOR
Q615
IP602
IP601
REGULATOR
Q605-Q607
SWITCH
Q608
VCC DETECT
SWITCH
Q601
QR609
QR619
QR618
SWITCH
SWITCH
Q611,Q612,Q617
QR621
SWITCH
(TUNER)
4
OUT
IN
CTL
GND
JK603
MUSIC PORT JACK
IC601
C0AAAA000036
IC POWER AMP
JK604
AC INLET
TRANSFORMER CIRCUIT
TRANSFORMER P.C.B
F1
D901-D904
JK901
AC INLET
L901
LINE FILTER
CN7002 FP701
19
CN7002 FP701
21
FROM
XM
8
7
B1
B2
(XM)
IC3003
C0CBCBC00090
IC 3.3V LDO
Z1001
REMOTE SENSOR
SC-
EN37EB/EG-K MAIN (1/2) / TRANSFORMER /
SENSOR / D-PORT BLOCK DIAGRAM
FP1 FP601
14
FP1 FP601
12
CN2401
FP806
1
CN2401
FP806
3
CN2401
FP806
4
CN2401
FP806
9
CN2401
FP806
10
CN2401
FP806
11
CN2401
FP806
12
CN2401
FP806
13
CN2401
8
CN2401
13
CN2401
17
CN2401
15
CN2401
12
CN2401
21
CN2401
22
CN2401
20
DOCK_L_OUT
DOCK_R_OUT
FROM
OPTION PORT
VER.1
(TO DOCK)
TO MAIN
(1/2)
TO MAIN
(2/2)
D-PORT CIRCUIT
D-PORT P.C.B
SC-EN37EB / SC-EN37EG
39
13.4. Main (2/2), Panel, LED, Power Switch, Tact Switch, Switch & Motor
CN2401 FP806
12
CN2401 FP806
13
: MAIN SIGNAL LINE
: FM SIGNAL LINE
: CD SIGNAL LINE
: AUX/IPOD SIGNAL LINE
:
: AM SIGNAL LINE
: FM/AM/XM SIGNAL LINE
: CD-DA (AUDIO/VIDEO) SIGNAL LINE
SIGNAL LINES
( ) Indicates the Pin No. of Right Channel.
NOTE : Signal Lines are applicable to the Left Channel only.
M
PLL_DO
OSC2(OUT)
OSC1(IN)
LCD_CE
LCD_DI
LCD_CLK
PLL_DI
CD_TOP_SW
PLL_CLK
PLL_CE
LCD_INH
MBP2
CLOSE_L
OPEN_H
IC801
MN101EF16ZXW
MICRO IC
56
GND MMOD
NRST
MBP1
X1
15
X2
16
51
50
23
21
73
10
8
22
72
20
9
55
80
76
48
IPOD_DET
INA
GND
UART_IN
CD BOTTOM SW
33
CD_MCLK
31
MDATA
42
MLD
29
BLKCK
32
STATUS
44
CD RESET
43
REST SW
1
PCONT
30
2
25
45
X801
X802
KEY1
92
65
66
47
MUTE_A
D5.3V_CTRL
VCCDET
REM_IN
XM_RST
ANT_REV
XM_PCONT
XM_TXD
XM_RXD
XM_MUTE
LINKACTIVE
I2S_RATE
DAC_RST
3.3V
VDD
FROM TUNER
FROM TUNER
FOR SOFTWARE
WRITE IN
JW1
1
JW1
3
JW1
4
JW1
2
FROM D-PORT
FROM CD SERVO
9V
D_LINK_DET1
D_LINK_DET2
UART_OUT
AD_RSKIP
AD_STOP
AD_FSKIP
AD_PLAY
AD_ACK_IN
INA
OUT
DETECT
SWITCH
DETECT
SWITCH
Q3001
Q3002
SWITCH
QR3008
SWITCH
QR3004
SWITCH
QR3003
SWITCH
QR3002
SWITCH
QR3001
Q3101
DETECT
SWITCH
7
19
6
5
4
11
61
60
13
12
17
CN7002 FP701
12
CN7002 FP701
8
CN7002 FP701
7
CN7002 FP701
6
CN7002 FP701
5
CN7002 FP701
4
CN7002 FP701
3
CN7002 FP701
2
1-34
35-38
COM0
C0HBA0000238
LCD DRIVER
IC1001
45
46
47
48
SEG1
SEG34
COM3
GR1
GR12
1-4
5-38
SEG1
SEG33
S352
S351
MOTOR
MOTOR P.C.B
P351
JW351
1
P351
JW351
2
REM_IN
CD_OPEN
CD_CLOSE
PCONT
VCC DET
D5.3V_CTRL
MUTE_B
Q801
Q301
QR804
IC351
C0GAE0000007
MOTOR DRIVER
SWITCH
SWITCH P.C.B
P351
JW352
1
P351
JW352
2
POWER
S801
POWER SWITCH
POWER SWITCH P.C.B
P802
JW803
1
P801
JW802
3
P801
JW802
P801
JW802
5
P801
JW802
6
P801
JW802
1
JW806 JW8001
2
CN801
5
CN801
4
CN801
2
CN801
6
JW804 JW805
SWITCH
S802-S810
TACT SWITCH
TACT SWITCH P.C.B
D1005
LED
LED P.C.B
PANEL P.C.B
PANEL
SWITCH (CD LOAD)
MUTING SWITCH
BEATPROOF SWITCH
Q802
BEATPROOF SWITCH
Z801
LCD DISPLAY
CL
CE
DI
INH
IC802
C0EBE0000456
RESET IC
GND
IC3002
C0JBAB000884
LOGIC IC
FROM D-PORT
78
79
82
83
77
84
85
81
2
3
4
1
2
VDD
OUT
4
VSS
3,4
VREF
SC-
EN37EB/EG-K MAIN (2/2) / PANEL / LED / POWER SWITCH /
TACT SWITCH / SWITCH / MOTOR BLOCK DIAGRAM
FP1 FP601
8
FP1 FP601
7
FP1 FP601
6
FP1 FP601
1
FP1 FP601
9
FP1 FP601
11
FP1 FP601
15
FP1 FP601
16
FP1 FP601
17
CN2401 FP806
4
CN2401 FP806
9
CN2401 FP806
10
CN2401 FP806
11
SC-EN37EB / SC-EN37EG
40
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