Panasonic SC-EN38E / SC-EN38EB / SC-EN38EG (serv.man2) Service Manual ▷ View online
17.5. USB P.C.B.
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
10
11
12
13
SC-EN38E/EB/EG
USB P.C.B.
(SIDE A)
(SIDE B)
USB P.C.B. (REPV0101C)
N
PbF
PbF
0101C
0101C
IC900
L900
IC951
0101C
0101C
C915
C906
X900
C953
P903
C904
C931
P901
USB
LB930
LB852
R955
C952
R954
LB952
R972
C913
LB932
LB933
LB934
LB935
LB840
LB843
LB841
LB936
LB938
C903
R914
LB845
LB846
LB848
R903
LB850
C901
C902
C905 C907
R901
C908
R904
R902
R971
C914
R952
R953
LB951
R951
R957
R950
C951
R906
C912 C911
R958
1
4
8
5
1
5
10
1516
17
20
25
30
32
33
35
40
45
48
49
50
55
60
64
1
2
21
22
5
10
15
20
3
7
9
11
13
17
19
18
16
14
12
8
6
4
6
5
4
3
2
1
SC-EN38E / SC-EN38EB / SC-EN38EG
81
SC-EN38E / SC-EN38EB / SC-EN38EG
82
18 Illustration of IC’s, Transistors and Diodes
A
Ca
Cathode
Anode
B0EAKM000117
Ca
Cathode
Anode
A
B0ACCE000003
MAZ80560ML
B0BA4R600003
B0BA5R000004
B0BA6R100003
B0BA7R500006
B0BA8R700009
B0CDAB000019
B0CDAD000010
Anode
Anode
Cathode
B0AACK000004
B0EAMM000038
A
Ca
Anode
Cathode
B1ABDF000026
B1ABGD000022
B1ADCF000001
B1ADCF000063
B1ADCE000012
B1GBCFGJ0016
B1ADMD000001
B1GBCFJJ0044
E
C
B
B1BAAJ000003
B
C
E
B1BCCG000002
C0DAZYY00017
C0ABBB000297
C1BB00001120 (36P)
C1AB00002751 (16P)
C0DBZYE00002 (8P)
B1ACKD000006
B1BACG000048
No.1
UNR511100L
UNR521300L
UNR521400L
B1GBCFJJ0051
B1ABEB000002
B1GBCFGN0016
B1GDCFJJ0002
B0ACCK000005
B3AEA0000074
B1ACND000003
B
E
Ca
Cathode
Anode
A
B
C
E
A
Ca
Cathode
Anode
Anode
Cathode
A
Ca
4
1
Ca
A
Cathode
Anode
B
C E
B
C
E
C0HBA0000238 (48P)
MN6627954MA (100P)
C1AB00002885 (52P)
MN101EF16KXW (100P)
MNZSFB5KJM2 (64P)
1
1
28
15
14
7
21
22
8
BA5948FPE2
C1BA00000372
C0GAE0000007
1
9
C0CBCBC00090
1
3
4
5
2
1
12
1
4
8
5
83
SC-EN38E / SC-EN38EB / SC-EN38EG
Pin No.
Mark
I/O
Function
1
A11
O
DRAM address signal O/P 11
2
A9
O
DRAM address signal O/P 9
3
A8
O
DRAM address signal O/P 8
4
A7
O
DRAM address signal O/P 7
5
A6
O
DRAM address signal O/P 6
6
A5
O
DRAM address signal O/P 5
7
A4
O
DRAM address signal O/P 4
8
NWE
O
Write Enable Signal (DRAM)
9
NCAS
O
DRAM CAS Control Signal
10
NRAS
O
DRAM ARS Control Signal
11
A3
O
DRAM address Signal O/P 3
12
A2
O
DRAM address Signal O/P 2
13
A1
O
DRAM address Signal O/P 1
14
A0
O
DRAM address Signal O/P 0
15
A10
O
DRAM address Signal O/P 10
16
BA0
-
Motor O/P (0);/Serial I/P
17
BA1
-
Motor O/P (1);/Serial I/P
18
PRAMVSS33
-
GND (DRAM)
19
PRAMVDD15
-
Power Supply Voltage (DRAM)
20
PRAMVDD33
-
Power Supply Voltage (+1.6V)
21
SPOUT
O
Spindle Drive O/P
22
PC
I/O Spindle motor drive O/P signal
serial data/Monitoring I/P
23
TRVP
O
Traverse Drive O/P (+ve)
24
TRP
O
Tracking Drive O/P (+ve)
25
FOP
O
Focusing Drive O/P (+ve)
26
DVSS1
-
GND
27
IOVDD2
-
Digital Power Supply Voltage 2
(I/O)
(I/O)
28
DVDD1
-
Digital Power Supply Voltage 1
(Built-In)
(Built-In)
29
SRVMON0
-
No Connection
30
SRVMON1
-
No Connection
31
AVSS2
-
GND
32
OSCIN
I
Oscillating Input
33
CTRCRS
-
Tracking Cross Comparator
34
VREF
-
+Vref Supply Voltage
35
E
I
Tracking Input Signal 1
36
F
I
Tracking Input Signal 2
37
D
I
Focusing Input Signal 4
38
B
I
Focusing Input Signal 2
39
C
I
Focusing Input Signal 3
40
A
I
Focusing Input Signal 1
41
PD
I
APC Amp I/P
42
LD
O
Laser Drive Current O/P
43
CENV
-
Detection Capacitance
Connection terminal
Connection terminal
44
RFENV
O
RF Envelope O/P
45
RFOUT
O
RF Summing Amp O/P
46
RFIN
I
SGC I/P
47
AVDD2
-
Analog Power Supply voltage 2
(For DSL/PLL)
(For DSL/PLL)
48
ARFDC
-
AGC Capacitive Connection
Terminal
Terminal
49
ARFOUT
O
AGC Output
50
ARFFB
I
ARF Feedback Signal I/P
51
ARFIN
I
Audio RF Signal I/P
52
DSLF
I
Loop Filter Terminal (For DSL)
Pin No.
Mark
I/O
Function
53
IREF
I
Reference I/P
54
PLLF
-
PLL Loop Filter Terminal (Phase
Compare)
Compare)
55
PLLF0
-
PLL Loop Filter Terminal (Speed
Compare)
Compare)
56
OUTL\
O
Audio O/P (LCH)
57
AVSS1
-
GND
58
AVDD1
-
Analog Power Supply Voltage 1
59
OUTR
O
Audio O/P (RCH)
60
DVSS3
-
GND3 (Digital Circuit)
61
NSRVMONON
I
Servo Motor O/P Enabling
62
EXT0
-
Expansion O/P Port 0
63
EXT1
-
Expansion O/P Port 1
64
EXT2
-
Expansion O/P Port 2
65
FLAG
-
Flag Signal O/P
66
TX
-
Digital Audio Interface O/P
signal
signal
67
MCLK
I
Micro-Computer Command
Clock I/P
Clock I/P
68
MDATA
I
Micro-Computer Data I/P
69
MLD
I
Micro-Computer Load I/P
70
STAT
O
Status Signal O/P
71
BLKCK
O
Subcode Blk Clock
72
NRST
O
LSI Reset Signal
73
DQSYTXT
-
Pack Signal O/P for CD-Text
data
data
74
SMCK
-
Micro-Computer Clock O/P
75
PMCK
-
IOCNT Serial data O/P
(Synchronous O/P)
(Synchronous O/P)
76
DVDD2
-
Digital Power Supply Voltage 2
(+1.5V)
(+1.5V)
77
IOVDD1
-
Digital Power Supply Voltage 1
(For I/O)
(For I/O)
78
DVSS2
-
GND2 (For Digital Circuit)
79
NTEST2
I
Test Mode Setting (ON:H)
80
X2
O
Crystal Oscillating Circuit O/P
81
X1
I
Crystal Oscillating Circuit I/P
82
NTEST
I
Test Mode Setting I/P (ON:H)
83
D2
O
Data Sigmal O/P 2
84
D1
O
Data Signal O/P 1
85
D0
O
Data Signal O/P 0
86
D3
O
Data Signal O/P 3
87
D4
O
Data Signal O/P 4
88
D5
O
Data Signal O/P 5
89
D6
O
Data Signal O/P 6
90
D7
O
Data Signal O/P 7
91
D15
O
Data Signal O/P 15
92
D14
O
Data Signal O/P 14
93
DRVDD
-
I/O Power Supply Voltage
(DRAM)
(DRAM)
94
D13
O
Data Signal O/P 13
95
D12
O
Data Signal O/P 12
96
D11
O
Data Signal O/P 11
97
D10
O
Data Signal O/P 10
98
D9
O
Data Signal O/P 9
99
D8
O
Data Signal O/P 8
100
SDRCK
O
Clock Signal O/P
19 Terminal Function of IC’s
19.1. IC7001 (MN6627954MA) IC SERVO PROCESSOR/DIGITAL SIGNAL
PROCESSOR/DIGITAL FILTER D/A CONVERTER
84
SC-EN38E / SC-EN38EB / SC-EN38EG
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