Panasonic RX-D55EG Service Manual ▷ View online
81
17.5. USB P.C.B.
1
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
10
1
12
13
K
USB P.C.B. (REPNT0064A)
RX-D55EG
USB P.C.B.
0622A-1
0622A-1
LB850
LB848
LB846
LB845
LB843
LB841
LB840
LB938
LB936
LB935
LB934
LB933
LB932
LB930
LB852
R903
LB951
R952
R953 R955
R954
C951
C952
R951
R950
R957
IC900
C903
C913
R906
C911
C912
R972
R971
C914
R902
R904
R901
C908
C907
C905
R914
C901
L900
C902
W18
W15
W19
W17
LB952
R958
W21
W22
R907
W23
P901
P903
USB
PORT
C953
C931
X900
C906
C915
C904
W12
W7
W8
W11
W10
W5
W13
W9
W4
W3
W6
PbF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
22
21
4
3
2
1
5
6
64
49
54
59
48
33
38
44
32
17
22
27
16
1
5
10
82
83
18 Terminal Function of IC’s
18.1. IC7001 (MN6627954AMA) IC SERVO PROCESSOR
Pin No.
Mark
I/O
Function
1
A9
O
DRAM address signal O/P 9
2
A11
O
DRAM address signal O/P 11
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
PRAMVDD33
-
Power Supply Voltage (+1.6V)
20
PRAMVDD15
-
Power Supply Voltage (DRAM)
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
IODD2
-
Digital Power Supply Voltage 2 (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
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)
DSL/PLL)
48
ARFDC
-
AGC Capacitive Connection Termi-
nal
nal
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)
53
IREF
-
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 / SRDATA
(ST_IN)
-
Expansion O/P Port 0
63
EXT1 / LRCK
(ST_REQ)
-
Expansion O/P Port 1
64
EXT2 / BCLK
(ST_CLK)
-
Expansion O/P Port 2
65
FLAG
-
Flag Signal O/P
66
TX
-
Digital Audio Interface O/P signal
67
MCLK
I
Micro-Computer Command Clock I/
P
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
74
SMCK
-
Micro-Computer Clock O/P
75
PMCK
-
IOCNT Serial data O/P (Synchro-
nous O/P)
nous O/P)
76
DVDD2
-
Digital Power Supply Voltage 2
(+1.5V)
(+1.5V)
77
IODD1
-
Digital Power Supply Voltage 1 (For
I/O)
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)
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
Pin No.
Mark
I/O
Function
84
18.2. IC7002 (BA5948FPE2) IC 4CH Drive
18.3. IC2100 (RFKWMD55EG) MICRO
PROCESSOR
Pin No.
Mark
I/O
Function
1
IN2
I
Motor Driver Input
2
PC2
I
Turntable Motor Drive Signal
(L:ON)
(L:ON)
3
IN1
I
Motor Drive (1) Input
4
PC1
-
Traverse Motor Drive Signal (L):
ON)
ON)
5-8
N.C.
-
No Connection
9
PGND1
-
Ground Connection (1) for Drive
10
PVCC1
-
Power Supply (1) for Drive
11
D1-
O
Motor Drive (1) reverse - action
output
output
12
D1+
O
Motor Drive (1) forward - action
output
output
13
D2-
O
Motor Drive (2) reverse - action
output
output
14
D2+
O
Motor Drive (2) forward - action
output
output
15
D3-
O
Motor Drive (3) reverse - action
output
output
16
D3+
O
Motor Drive (3) forward - action out-
put
put
17
D4-
O
Motor Drive (4) reverse - action
output
output
18
D4+
O
Motor Drive (4) forward - action out-
put
put
19
PVCC2
-
Power Supply (2) for Driver
20
PGND2
-
Ground Connection (2) for Driver
21-24
N.C.
-
No Connection
25
VCC
I
Power Supply terminal
26
VREF
I
Reference Voltage Input
27
IN4
I
Motor Driver (4) Input
28
IN3
I
Motor Driver (3) Input
Pin No.
Mark
I/O
Function
1
PCONT1
O Power AMP Control
2
PCONT2
O AC Relay Control
3
N.C.
-
No Connection
4
LCD_DI /
OCD_SDA
O LCD Data Output
5
LCD_CE
O LCD Chip Select
6
LCD_CLK /
OCD_SCL
O LCD Clock Output
7
N.C.
-
No Connection
8
MBP1
O Micon Beat Proof 1
9
MBP2
O Micon Beat Proof 2
10
N.C.
-
No Connection
11
GND
I
Memory Mode Selection
12
OSC2 (8MHz)
O Main Oscillator Output (8MHz)
13
OSC1 (8MHz)
I
Main Oscillator Input (8MHz)
14
VSS
-
GND
15
XI (32KHz)
I
Sub Oscillator Input (32KHz)
16
XO (32KHz)
O Sub Oscillator Output (32KHz)
17
BU3.3V
-
3.3V
18
Internal Output
(1.8V)
-
Connect To Pin 37
19
NRST
I
MICOM RESET PIN (L: reset)
20
MMOD0
O Switching Mode
21
USB_RST
O USB Reset Pin
22
TERR/FLAG
I
Timeout Error/Current Limiter IC out-
put
put
23
USB_REQ
I
USB Interrupt Request
24
VERR/CTRL
O Verify Error/Current Limiter IC input
CTRL
25
RMT_IN
I
Remote Control Input
26
HALT
I
AC Detection
27
DCDET2
I
Power Failure Detection (F76)
28
DC_DET
I
DC Supply Detection
29
BLKCK
I
CD Sub-code Block Clock Input
30
N.C.
-
No Connection
31
CD_MDATA
O CD LSI Command Data
32
STAT
I
CD LSI Status Input
33
CD_MCLK
O CD LSI Command Clock
34
USB_SDA
I/O USB I2C Data Line
35
CD_MLD
O CD LSI Command Load
36
USB_CLK
I
USB I2C Clock Line
37
1.8V
-
Power Supply (1.8V)
38
N.C.
-
No Connection
39
VSS
-
GND
40
CLOSE_L
O CD Tray Close Control (Active L)
41
OPEN_H
O CD Tray Open Control (Active H)
42
CD_OPEN_SW
I
CD Open SW (H:Open; L:Close)
43
REST_SW
I
REST SW (L:Inner)
44
N.C.
-
No Connection
45
CD_RST
O CD LSI Reset Ouput (L: reset)
46
N.C.
-
No Connection
47
MODEL_SEL1
I
Model Selection Port 1
48
MODEL_SEL2
I
Model Selection Port 2
49
PLL_DI
I
PLL Data Input
50
PLL_DO
O PLL Data Output
51
PLL_CLK
I/O PLL Clock
52
PLL_CE
O PLL Chip Select
53
LCD_ON
O LCD ON/OFF control (Active “L”) (L=
LCD turning on, H=LCD turning Off)
54
FAN_SIGNAL
-
No Connection
55
FAN_CTRL
-
No Connection
56
N.C.
-
No Connection
57
N.C.
-
No Connection
58
N.C.
-
No Connection
59
N.C.
-
No Connection
60
N.C.
-
No Connection
61
N.C.
-
No Connection
62
N.C.
-
No Connection
63
VSS
-
Micom GND
64
ASP_CLK
O ASP Sound Processor Serial Clock
Output
65
ASP_DATA
O ASP Sound Processor Serial Data
Output
66
N.C.
-
No Connection
67
N.C.
-
No Connection
68
N.C.
-
No Connection
69
N.C.
-
No Connection
70
N.C.
-
No Connection
71
N.C.
-
No Connection
72
N.C.
-
No Connection
73
N.C.
-
No Connection
74
N.C.
-
No Connection
75
N.C.
-
No Connection
76
N.C.
-
No Connection
77
N.C.
-
No Connection
78
N.C.
-
No Connection
79
N.C.
-
No Connection
80
MOTOR_ON
O Deck Motor Power Control (Active
“H”)
81
TAPE_L
I
Deck Play Condition (L: Running, H:
Stop)
Stop)
82
REC_H
I
Deck Rec Condition (Active: H)
Pin No.
Mark
I/O
Function
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