Panasonic SC-AK48, Service Manual

Page: 82 / 104

Pin
No.
Terminal
Name
I/O Function
5 DV
SS
1 - GND terminal
6 TX O Digital audio interface signal output
7 MCLK I Command clock signal input
8 MDATA I Command data signal input
9 MLD I Command load signal input
10 SENSE - Sense signal (Not used, open)
11 /FLOCK - Optical servo condition (focus)
(Not used, open)
12 /TLOCK - Optical servo condition (tracking)
(Not used, open)
13 BLKCK O Sub-code block clock signal output
(f=75 Hz)
14 SQCK I Sub-code Q resistor clock signal input
15 SUBQ O Sub-code Q data signal output
16 DMUTE - Muting input (Not used, connected to GND)
17 STAT O Status signal output
18 /RST I Reset signal input (L: reset)
19 SMCK - System clock (f=4.2336 MHz)
(Not used, open)
20 CSEL I Frequency control terminal of crystal
oscillator (Connected to V
DD
)
21 TRV - Traverse servo control signal output
(Not used, open)
22 TVD O Traverse drive signal output
23 PC O Turntable motor drive signal output (L: ON)
24 ECM O Turntable motor drive signal output
(Forced mode)
25 ECS O Turntable motor drive signal output
(Servo error signal)
26 KICK - Kick pulse output (Not used, open)
27 TRD O Tracking drive signal output
28 FOD O Focus drive signal output
29 VREF I D/A drive output normal voltage input
30 FBAL O Focus balance adj. output
31 TBAL O Tracking balance adj. output
32 FE I Focus error signal input
33 TE I Tracking error signal input
34 RFENV I RF envelope signal input
35 VDET I Oscillator detect signal input (H: detect)
36 OFT I Off track signal input (H: Off track)
37 TRCRS I Track cross signal input
38 /RFDET I RF detect signal input (L: detect)
39 BDO I Dropout detection signal input (H: dropout)
40 LDON O Laser power control signal output (H: ON)
41 PLLF2 - PLL loop filter terminal (Not used, open)
42 DSLF2 I/O DSL loop filter terminal
43 WVEL - Double velocity status signal output
(Not used, open)
44 ARF I RF signal input
45 IREF I Reference current input
46 DRF I DSL bias terminal
47 DSLF I/O DSL loop filter terminal
48 PLLF I/O PLL loop filter terminal
49 VCOF - VCO loop filter terminal
(Not used, connected to GND)
50 AV
DD
2 I Power supply terminal
51 AV
SS
2 - GND terminal
52 EFM - EFM signal (Not used, open)
53 PCK - PLL extract clock (Not used, open)
54 VCOF2 - VCO loop filter terminal
(Not used, connected to GND)
55 SUBC - Sub-code serial output clock
(Not used, open)
56 SBCK - Sub-code serial input data
(Not used, connected to GND)
57 V
SS
- GND terminal
58 X1 IN I Crystal oscillator terminal (f=16.9344 MHz)
59 X2 OUT O
Pin
No.
Terminal
Name
I/O Function
60 V
DD
I Power supply terminal
61 BYTCK - Byte clock signal (Not used, open)
62 /CLDCK - Sub-code frame clock signal
(Not used, open)
63 FCLK - Crystal frame clock (Not used, open)
64 IPFLAG - Interpolation flag terminal (Not used, open)
65 FLAG - Flag terminal (Not used, open)
66 CLVS - Turntable servo phase synchro signal
(Not used, open)
67 CRC - Sub-code CRC check terminal
(Not used, open)
68 DEMPH - De-emphasis ON signal (Not used, open)
69 RESY - Re-synchronizing signal of frame sync.
(Not used, open)
70 IOSEL I I/O select signal input (Connected to V
DD
)
71 /TEST I Test terminal
(Not used, connected to power supply)
72 AV
DD
1 I Power supply terminal
73 OUTL O L ch audio signal output
74 AV
SS
1 - GND terminal
75 OUTR O R ch audio signal output
76 RSEL I Polarity direction control terminal of RF
signal (Not used, connected to power
supply)
77 IOV
DD
I Power supply terminal
78 PSEL I Test terminal (Connected to GND)
79 MSEL - Output frequency select signal input
(Not used, connected to GND)
80 SSEL I SUBQ output mode select signal input
(Not used, connected to V
DD
)
20.4. IC703 (AN8739SBE2):
Focus Coil/Tracking Coil/
Traverse Motor/Spindle
Motor Drive
Pin
No.
Terminal
Name
I/O Function
1 /RST - Not used, open
2 NC - Not used
3 IN2 I Motor driver 2 input
4 PC2 I Turntable motor drive signal input (L: ON)
5 NC - Not used
6 IN1 I Motor driver 1 input
7 PV
CC
1 I Driver power supply terminal 1
8 PGND1 - Driver GND terminal 1
9 NC - Not used, connected to GND
10 D1- O Motor driver 1 output terminal (-)
11 D1+ O Motor driver 1 output terminal (+)
12 D2- O Motor driver 2 output terminal (-)
13 D2+ O Motor driver 2 output terminal (+)
14 D3- O Motor driver 3 output terminal (-)
15 D3+ O Motor driver 3 output terminal (+)
16 D4- O Motor driver 4 output terminal (-)
17 D4+ O Motor driver 4 output terminal (+)
18 NC - Not used
19 PGND2 - Driver GND terminal 2
20 PV
CC
2 I Driver power supply terminal 2
21 V
CC
I Power supply terminal
22 VREF I Reference voltage input terminal
23 IN4 I Motor driver 4 input
24 IN3 I Motor driver 3 input
25 RSTIN I Reset terminal
(Not used, connected to GND)
26 NC - Not used, connected to GND
82
SA-AK48