JVC VS-DT2000 Service Manual page 27

Pin No. Symbol
41 PLLF2
42 DSLBDA
43 WVEL
44 ARF
45 IREF
46 DRF
47 DSLF
48 PLLF
49 VCOF
50 AVDD2
51 AVSS2
52 EFM
53 DSLB
54 VCOF2
55 SUBC
56 SBCK
57 VSS
58 X1
59 X2
60 VDD
61 BYTCK
62 LD
63 GAIN
64 IPFLAG
65 FLAG
66 CLVS
67 CRC
68 DEMPH
69 RESY
70 IOSEL
71 /TEST
72 AVDD1
73 OUTL
74 AVSS1
75 OUTR
76 DQSY
77 Vcc5V
78 PSEL
79 MSEL
80 SSEL
LB1641 (IC108) : DC motor driver
1. Terminal layout
1 2 3 4 5
I/O
- Not use
- Not use
- Not use
I RF signal input
I Referrence current input
I Bias pin for DSL
I/O Loop filter pin for DSL
I/O Loop filter pin for PLL
I/O Loop filter pin for VCO
- Power supply for analog circuit
- GND for analog circuit
- Not use
O DSL balance output
I/O Loop filter pin for Digtal servo VCO
- Not use
- Not use
- GND for crystal oscillation circuit
I Input for crystal oscillation circuit (f=16.9344MHz)
O Output for crystal oscillation circuit (f=16.9344MHz)
- Power supply for crystal oscillation circuit
- Not use
O Laser ON signal output (H : ON)
O Gain control output (H : CD-RW)
- Not use
O Flag signal output
- Not use
- Not use
- Not use
- Not use
I Mode select pin , Connect to DVDD1 (H fix)
I Test pin ,Connect to DVDD1 (H fix)
- Power supply for analog circuit
O L-channel audio output
- GND for analog circuit
O R-channel audio output
- Not use
- Connect to power supply
I IOSEL=H , Test pin , Connect to GND ( L fix)
I IOSEL=H , SMCK output , Frequency select pin
I IOSEL=H , SMCK output , SUBQ output mode select pin
2. Pin function
6 7 8 9 10
Function
Input Output
IN1 IN2 OUT1
0 0 0
1 0 1
0 1 0
1 1 0
VS-DT2000
Mode
OUT2
0 Brake
0 Clockwise
1 Counterclockwise
0 Brake
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