Harman Kardon CDR2 Service Manual page 24

CDR2
Pin Number Designator
40 AVSS2
41 AVDD2
42 XRST
43 WLDON
44 AGCON
45 TESTAGC
46 ATFM
47 AGC1C
48 AGC2C
49 AGC3C
50 AGND2
51 BHO
52 PHO
53 TESTEQRFN
54 TESTEQRFP
55 SLLPFP
56 SLLPEN
57 OSTCC
58 WRF
59 NC(VSS)
60 AVSS1
61 AVDD1
62 RECDIN
63 RRF
64 MPXOUT
65 AUX1
66 AUX2
67 AUX3
68 GIN
69 HIN
70 EIN
71 FIN
72 HAVC
73 DIN
74 CIN
75 BIN
76 AIN
77 RREF
78 VRDCN
79 VRDC
80 AVSS3
Use NC (unused) pin by connecting to VSS.
I/O Functions
I Analog Ground Pin
I Analog Positive Power Source Pin
I Register Reset Pin. "L" Register Initialization
I Write LD Control Input. "L" Write APC Setting to Zero, "H" LD 0N
I Wobble AGC Enable Input. "H" AGC ON, "L" AGC reset
O Test Pin
O Wobble Signal Output
O External CAP Connector Pin for AGC Response Speed Setting
O External CAP Connector Pin for AGC Response Speed Setting
O External CAP Connector Pin for AGC Response Speed Setting
O Decoupling Pin for Internal Reference Voltage
O RRF Signal Bottom Level Output Pin
O RRF Signal Peak Level Output Pin
O Test Pin
O Test pin
I LPF Input (+) for Auto Slice
I LPF Input (-) for Auto Slice
O CAP Connector Pin for Equalizer Output Offset Canceller fc
O Write RF Signal Output
-
O Analog Ground Pin
I Analog Positive Power Source Pin
I RF Input for Recording Area Detection
O Read RF Signal Output
O Multiplexer Output for Signal Monitoring
I Auxiliary Input Pin for Signal Monitoring (1)
I Auxiliary Input Pin for Signal Monitoring (2)
I Auxiliary Input Pin for Signal Monitoring (3)
I Side Beam Signal (G) Input
I Side Beam Signal (H) Input
I Side Beam SignaI (E) Input
I Side Beam SignaI (F) Input
I Main • Side Beam Signal Midpoint Voltage Input
I Main Beam Signal (D) Input
I Main Beam Signal (C) Input
I Main Beam Signal (B) Input
I Main Beam Signal (A) Input
I Power Setting Voltage Input for Read APC
I Laser Driver Control Amp (-) Pin for Read
O Laser Driver Control Output for Read
I Analog Ground Pin
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harman/kardon