JVC XV-BP1UB Service Manual page 100

1-3. Pin Function
PIN NO PIN NAME
5 TRINA
6 TRINB
7 TRINC
8 TRIND
9 INA
10 INB
11 INC
12 IND
14 INE
15 INF
16 ING
17 INH
19 FOIP/RRFSUM
20 FOIN
24 RFIN
25 RFIP
26 RFIP2
27 RFIN2
47 GAINSW
48 GAINSW2
49 GAINSW3
128 EQBIAS
22 FPDODVD
23 FPDOCD
121 VRDCO
122 VRDC1O
123 VRDC2O
124 VRDC3O
1 V14
2 VFVREF
3 HAVC
28 REG_CAP
125 VDAC0
MPXOUT (Multiplexer Circuit for Various Signals) and Testing Interface (4)
117 MPXOUT3/MON/GO
118 MPXOUT2/MON/GO
119 MPXOUT1/MON/GO
126 AUX1
4 AGND_1
13 AVDD33_2
18 AGND_2
21 AVDD12_2
29 AGND_3
30 AVDD33_3
TYPE
RF Signals & S/H Control Pulses (21)
Analog Input Input of Tracking Signal (A)
Analog Input Input of Tracking Signal (B)
Analog Input Input of Tracking Signal (C)
Analog Input Input of Tracking Signal (D)
Analog Input Input of Main Beam Signal (A)
Analog Input Input of Main Beam Signal (B)
Analog Input Input of Main Beam Signal (C)
Analog Input Input of Main Beam Signal (D)
Analog Input Input of Sub-Beam Signal (E)
Analog Input Input of Sub-Beam Signal (F)
Analog Input Input of Sub-Beam Signal (G)
Analog Input Input of Sub-Beam Signal (H)
Input of Focusing Signal (Positive)
Analog Input
Alternative Function : Read RF sum
Analog Input Input of Focusing Signal (Negative)
Analog Input Differential Input of AC Coupling RF SUM Signal (Negative)
Analog Input Differential Input of AC Coupling RF SUM Signal (Positive)
Analog Input Differential Input of AC Coupling RF SUM Signal (Positive)
Analog Input Differential Input of AC Coupling RF SUM Signal (Negative)
Analog Output Read gain switch. 1
Analog Output Read gain switch 2.
Analog Output Read gain switch 3.
EQRF Circuits (1)
External Bias Connection for Circuits in EQRF Block & SATA Block.
Analog Output
The external resistor need meet the precision for SATA requirement. (23.1K, 1%)
APC (Auto Power Control for Laser) (6)
Analog Input Laser Power Monitor Input for DVD APC / Differential positive input
Analog Input Laser Power Monitor Input for CD APC / Differential negative input
Analog Output Output Voltage of Laser Diode Control in Read APC
Analog Output Output Voltage 1 of Laser Diode Control in Read APC
Analog Output Output Voltage 2 of Laser Diode Control in Read APC
Analog Output Output Voltage 3 of Laser Diode Control in Read APC
Reference Voltages & DACs (5)
Analog Output Output of Voltage Reference (1.4V)
Analog Output Output of Voltage Reference
Analog Output Decoupling Pin for Reference Voltage of Main and Sub Beams
Analog Output Output of Voltage Reference
Analog Output Output of General DAC
Multiplexer Output 3 for Signal Monitoring.
Analog Output
Alternate function : Internal monitored signal output / General output.
Multiplexer Output 2 for Signal Monitoring.
Analog Output
Alternate function : Internal monitored signal output / General output.
Multiplexer Output 1 for Signal Monitoring.
Analog Output
Alternate function : Internal monitored signal output / General output
Analog I/O Auxiliary Input.Alternative Function : Signal Monitoring
RF Power Supplies (11)
Analog Ground Ground Pin
Analog Power(3.3V) Power Pin
Analog Ground Ground Pin
Analog Power(1.2V) Power Pin
Analog Ground Ground Pin
Analog Power(3.3V) Power Pin
DESCRIPTION
4-19