Philips DVDR615 Service Manual page 153

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Circuit-, IC descriptions and list of abbreviations
Table 1:
Pin description
Symbol Pin Description
GND2 30 Supply ground
RFP 31 RF output voltage, positive
RFN 32 RF output voltage, negative
RFREF 33 Reference voltage for differential RF output common mode level
PPN 34 Output PP voltage
CFTC 35 FTC high pass Þlter capacitor
FTC 36 FTC output
GND1 37 Supply ground
CA1 38 Beta circuit external capacitor
CA2 39 Beta circuit external capacitor
CCALF 40 Beta circuit external capacitor
RREF 41 Reference resistor to ground
GND1 42 Supply ground
CMPP 43 MPP external capacitor
VDD1 44 Positive supply
MON1 45 Monitor output voltage
MON2 46 Monitor output voltage
S2/XDN 47 Servo output current
S1/MIRN 48 Servo output current
D4/FEN 49 Servo output current
D3/REN 50 Servo output current
D2/TLN 51 Servo output current
D1 52 Servo output current
IDDQTST 53 Select zero dissipation mode (tie to GND for normal operation)
CALF 54 RF average level signal
A2 55 RF bottom level signal
A1 56 RF top level signal
SROUT 57 shift register output for register test mode
ALFA 58 alfa output current
LASP 59 laser power setpoint signal
TEST 60 Test output
RRF 61 Single ended RF read input voltage
Table 1 :
Pin description
S y m b o l
Pin Description
W R F 6 2 Single ended RF write input vo lta g e
V R E F 63 PDIC reference voltage output
V IF 6 4 Satellite segment F input
[1 ] Only in EFM bypass mode
[2 ] EFM clock and data when not in EFM bypass mode.
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Figure 9-24
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Figure 9-25
DVDR615/69 9. EN 153