Panasonic RX-DS45 Service Manual page 37

@1C702 (AN8374SE2): Servo processor
vo
Division
1 isa ft | Phase difference input (A)
ise ft Phase difference input (B)
An
Tracking gain adjustment
Psfes [1
6 | TEOUT | oo | Tracking error signai output
i
Pr freer | 1 | U ccial bahia ca detecting filter
| a irea | Focus gain adjustment
| 9 [reour | Oo Focus error signal output
10 fow | O Ui ak wave oscillator capacitor
Pat [vrer | I Reference voltage input
refer |
CDSL | Data slice filter capacitor input
Gee ee Frequency difference signal input
Tracking ofiset adjustment
RF signal input
I Ground terminal
Frequency pull-in clock signal
(88.2 kHz) input
Sliced and digitized RF signal
output
[@) Clock output extracted from SRF
EFM signal output synchronous
©1C703 (AN8377N): BTL drive
vo
Division
PVCC cu Driver power supply (+8.9 input)
Power supply (+8.9 V input)
External transistor base driving
output
i. OI Voltage output
TvDI a Traverse error signal input
a 1s
oO
Focus error signal input
Tracking error signal input
Reference voltage input
RX-DS45
VO
Division
MarK Function
Power supply (+5 V input)
Track crossing speed control output
| 23 | SPCNT ° (Not used, open)
| Selector output
| 24 | SENSE O (track crossing state)
25 | TRV Traverse servo control output
Focus lock signal output
Track kick signal output
28 | LDON 1e) Laser power control output
Focus/tracking gain up output
(Not used, open)
Control input
80: (ONT (FOON: Focus servo ON signal)
Control input (TRON: Tracking
31 | CNT2 servo ON signal)
Control input (KICKF: Kick
direction (forward) command]
32 | CNT3 |
Control input [KICKR: Kick
direction (reverse) command]
Traverse forward commana signal
Traverse backward command
signal
RF detection signal input
Dropout detection input
Power supply (+5 V input)
Traverse position detecting resistor/
capacitor inputs
Function
vo
Division
| 9 |to- | 0 Inverting output of tracking driver
Non-inverting output of tracking
FD- .@) Inverting output of focus driver
FD+ oO Non-inverting output of focus driver
TvD—- oO Inverting output of traverse driver
Non-inverting output of traverse
eee 2 driver o [ r e e n t s
Fo | PC input (connect to GND)
Reset signal output