Ic7003 (An8739Sbte2) Focus Coil/ Tracking Coil; Ic2801 (Mn101C30Aeb) Mechacon Ic - Panasonic SA-VK31EE Service Manual

Pin No. Mark I/O
53 PCK -
54 VCOF2 I/O
55 SUBC -
56 SBCK I
57 VSS -
58 X1 IN I
59 X2 OUT O
60 VDD -
61 BYTCK -
62 /CLDCK -
63 FCLK -
64 IPFLAG -
65 FLAG -
66 CLVS -
67 CRC -
68 DEMPH -
69 RESV -
70 IOSEL I/O
71 /TEST I
72 AVDD1 I
73 OUTL I
74 AVSS1 I
75 OUTR O
76 RSEL I
77 IOVDD I
78 DIDATA I
79 DILRCK I
80 DISCK I
20.3. IC7003 (AN8739SBTE2) Focus
Coil/ Tracking Coil/ Traverse
Motor/ Spindle Motor Driver
Pin No. Mark I/O
1 /RST O
2 NC -
3 IN2 I
4 PC2 I
5 NC -
Function
PLL extraction clock output (fPCK
= 4.321 MHz during normal
playback)
(Not connected, open)
VCO Loop filter for 33.8688MHz
conversation terminaal for 16.9344
MHz crystal mode, must use other
circuit
Sub-code serial data output (Not
connected, open)
Clock input for sub-code serial
data
GND
Crystal oscillating circuit input (f =
16.9344MHz)
Crystal oscillating circuit input ( f =
16.9344MHz)
Power supply input ( for oscillating
circuit)
Byte clock output (Not connected,
open)
Sub-code frame clock signal output
(fCLDCK = 7.35 kHz during normal
playback)
Crystal frame clock signal output
(fCLK = 7.35 kHz, double = 14.7
kHz)
Interpolation flag output ("H" :
Interpolation) (Not connected,
open)
Flag output (Not connected, open)
Spindle servo phase synchronizing
signal output ("H" : CLV, "L" :
rough servo) (Not connected,
open)
Sub-code CRC checked output
("H" :OK, "L":NG) (Not connected,
open)
De-emphassis ON signal output
("H" :ON) (Not connected, open)
Frame re-synchronizing signal
output (Not connected, open)
Mode Switching Terminal
Test input
Power supply input (for analog
circuit)
Left channel audio signal output
GND
Right channel audio signal output
RF signal polarity assignment input
(at "H" level, RSEL="H", at "L"
level, RESL = "L")
5V supply input
Test terminal (connected to Gnd)
SMCK osillating frequency
designation input ("L":4.2336 MHz,
"H":8.4672 MHz)
SUBQ output mode select ("H":Q-
code buffer mode)
Function
RESET output terminal
N.C.
Motor drive (2) input
Turntable motor drive signal ("L"
:ON)
N.C.
Pin No. Mark
6 IN1
7 PVCC1
8 PGND1
9 PGND1
10 D1-
11 D1+
12 D2-
13 D2+
14 D3-
15 D3+
16 D4-
17 D4+
18 NC
19 PGND2
20 PVCC2
21 VCC
22 VREF
23 IN4
24 IN3
25 RSTIN
26 NC
20.4. IC2801 (MN101C30AEB)
Mechacon IC
Pin No. Mark
1 MX/UX
2-5 N.C.
6 VREF+
7 VDD
8 OSC2
9 OSC1
10 VSS
11 VSS
12 XI
13 XO
14 MMOD
15 KCMND
16 FLAG
17 NC
18 SUBQ
19 SQCK
20 ESS_RST
21 MICON_RST
22 CD_PCNT
23 EE_CS
24 EE_DATA
25 EE_CLK
26 /MCS
27 BLKCK
28 DC_DET
29-31 NC
32 DSA_STRB
33 DSA_DATA
34 DSA_CLK
35-48 N.C.
49 RESTSW
91
I/O Function
I Motor driver (1) input
- N.C.
- Power supply (1) for driver
- Ground connection (1) for driver
- N.C.
O Motor driver (1) reverse-action
output
O Motor driver (1) forward-action
output
O Motor driver (2) reverse-action
output
O Motor driver (2) forward-action
output
O Motor driver (3) reverse-action
output
O Crystal oscillating circuit input (f =
16.9344MHz)
O Motor driver (4) reverse-action
output
O Motor driver (4) forward-action
output
- N.C.
- Ground connection (2) for driver
- Power supply (2) for driver
- N.C.
- Power supply terminal
- Reference voltage input
I Motor driver (4) input
I Motor driver (3) input
I/O Function
- Not used (GND)
- Not used (GND)
- A-D Converter + V reference
voltage
- Power supply (+5V)
I Oscillation Input
I Oscillation Input
- Analog Ground
- Not used
- Not used
- Not used (GND)
- Not used (GND)
- Not used (GND)
- Not used (GND)
- Not used (GND)
I CD Servo LSI sub-code data
O Clock for reading CD servo LSI
sub-code
O ESS Chip Reset
I Reset Input
- Not used (GND)
I/O EEPROM Chip Select
I/O EEPROM Data
I/O EEPROM Clock
- Not used (GND)
I Block Clock used for reading
sub-code data
- Not used (GND)
- Not used (GND)
I/O Strobe line for DSA
I/O Data line for DSA
I/O Acknowledge line for DSA
- No connection
I CD pickup head limit switch input
SA-VK31EE