JVC TH-A10 Service Manual page 43

3.Pin function
Pin No. Symbol
1 FGC
2 LDONA
3 LDONB
4 PULIN
5 SRF
6 DVSS
7 TRAYSET1
8 TRAYSET2
9 DRVMUTE
10 DVDD
11 TRVSW
12 TRAY-CLOSE
13 TRAY-OPEN
14 ST/SP
15 HFMON
16 BRK
17 DVSS
18 PLLOK
19 N.C.
20 TBAL(PWMDA1)
21 GBAL(PWMDA2)
22 BDOLVL(PWMDA3)
23 OFTLVL(PWMDA4)
24 N.C.
25 N.C.
26 N.C.
27 DVSS
28 DVDD
29 TSTSG
30 FUPDN
31 MONA
32 MONB
33 CPSEN
34 CPCEN
35 CPUIRQ
36 CPUCLK
37 CPUDTIN
38 CPUDTOUT
39 CHK4I
40 SCLK+
41 SCLK-
42 SDAT+
43 SDAT-
44 BDO
45 SBCK
46 IREF2
I/O
0 H fixation
O Laser drive controlA (ON / OFF)
O Laser drive controlB (ON / OFF)
O DSL and PLL high boost signal (FEP)
O Head amplifier gain H/L selection
Ground for digital circuit
O Tray drive ON/OFF and direction control
O Tray drive ON/OFF and direction control
O Drive IC mute control
Power supply for digital circuit
I Surroundings position detection in traverse
I Tray close detection SW
I Tray opening detection SW
O Spindle motor drive switch (START /STOP)
O High cycle module control
O Spindle motor IC short brake control
Ground for digital circuit
I SYNC detection (DVD : 18T / CD : 22T)
O
O Tracking balance (FEP)
O Tangential balance (FEP)
O BDO slice level (FEP)
O Off-track error slice level (FEP)
O
O
O
Ground for digital circuit
Power supply for digital circuit
O Self calibration signal (FEP)
O Signal of frequency UP/DOWN of PLL (FEP)
O Monitor terminal A
O Monitor terminal B
I Servo DSP cereal I/F chip selection (SYSCOM)
I CIRC cereal I/F chip selection (SYSCOM)
O Interrupt request to silicon (SYSCOM)
I Silicon cereal I/F clock (SYSCOM)
I Silicon cereal I/F data input (SYSCOM)
O Silicon cereal I/F data output (SYSCOM)
I Connects with unused DVSS
I Lead channel clock differential motion signal (positive)
I Lead channel clock differential motion signal (negative)
I Lead channel data differential motion signal (positive)
I Lead channel data differential motion signal (negative)
I BDO + BCA (FEP)
I CD sub-code data shift clock (ODC)
Connects with unused DVSS
Function
TH-A10
MN67705EA (1/3)
1-43