Panasonic SC-AK48, Руководство по обслуживанию

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20.1. IC600 (M38199MF227):
System Control and FL Driver
Pin
No.
Terminal
Name
I/O Function
1 CRT/SER4 I CRT timer
2 TPS I TPS signal input
3 DECK1 I Deck1 mechanism condition input
4 DECK2 I Deck2 mechanism condition input
5-8 KEY4-
KEY1
I Operation switch signal input
9 SER1 O Serial clock output for IC601 and IC602
10 SER2 O Serial data/clock output for IC601 and
IC1105
11 SER3 O Serial data output for IC602
12 SER5 O Serial data/clock output for IC303 or
IC1105
13 SPE I Spectrum analyzer signal input
14 V JOG
A/B
I Volume control signal input
15 J JOG A/B I Sound control signal input
16 CHG AD1 I Open detect switch (S3) and clump detect
switch (S4) signal input
17 CHG AD2 I Position sensor (D1) and bottom detect
switch (S5) signal input
18 CDRST O Reset signal output for CD circuit
19 STATUS I Status signal input from CD circuit
20 SQCLK O CD subcode clock output
21 SD I Station detector signal input for tuner
circuit
22 ST/DO/
SUBQ
I CD subcode data input
23 CHG CW O CD mechanism motor control signal output
(forward direction)
24 CHG
CCW
O CD mechanism motor control signal output
(reverse direction)
25 CHG
HALF
O CD mechanism motor speed control signal
output
26 MLD/
PLLCE
O CD command load signal output and tuner
chip enable output
27 MDATA/
PLLDA
O CD command data output and tuner PLL
data output
28 MCLK/
PLLCLK
O CD command data output and tuner PLL
clock output
29 REST SW I Rest switch (S701) signal input
30 BLKCK I CD subcode block clock input
31 RMT I Remote control signal input
32 DCDET I DC ditect terminal
33 ECONO O Eco signal output
34 SYNC I AC power source detect signal input
35 /RESET I System reset signal input
36 XCIN I Oscillator connection
(Sub clock : 32.768kHz)
37 XCOUT O Oscillator connection
(Sub clock : 32.768kHz)
38 XIN I Oscillator connection (Main clock : 8.0kHz)
39 XOUT O Oscillator connection (Main clock : 8.0kHz)
40 VSS - GND
41 MBP1 O Beat proof control signal output
42 MBP2 O Beat proof control signal output
43 CHG SW2 I Disc tray position 2 detect signal input
44 CHG SW1 I Disc tray position 1 detect signal input
45 CHG
PLGR
O CD mechanism solenoid control signal
output
46 SPA O Spectrum analyzer band control signal
output
47 SPB
48 SPC
Pin
No.
Terminal
Name
I/O Function
49
|
61
GRD1
|
GRD13
O FL grid signal output
62
|
90
SEG32
|
SEG4
O FL segment signal output
91 VCC I Power supply (+5V)
92
|
94
SEG3
|
SEG1
O FL segment signal output
95 REG IN I Region select signal input
96 EEDATA - Not used, open
97 EECLK - Not used, open
98 VEE - Power supply (-30V)
99 AVSS - GND
100 VREF I Reference voltage input
20.2. IC701 (AN8839NSBE2):
Servo Amp
Pin
No.
Terminal
Name
I/O Function
1 PDE I Tracking signal input terminal 1 (E ch)
2 PDF I Tracking signal input terminal 2 (F ch)
3 V
cc
I Power supply terminal
4 PDA I Focus signal input terminal 1 (A ch)
5 PDB I Focus signal input terminal 2 (B ch)
6 LPD I Laser PD signal
7 LD O Laser power auto control output
8 RF O RF amp terminal
9 RFIN I AGC input terminal
10 CSBRT I OFTR capacitor connection terminal
11 CEA I HPF-AMP capacitor connection terminal
12 BDO O Dropout detection control
13 LDON I LD APC ON/OFF (H: ON)
14 GND - GND terminal
15 /RFDET O RF detect signal output (L: detect)
16 PDOWN - Power down terminal
17 OFTR O Off track detection (H: detect)
18 NC - Not used, open
19 ENV O Envelope signal output
20 NC - Not used, open
21
22
TEN I Tracking error signal input
23 TEOUT O Tracking error signal output
24 FEOUT O Focus error signal output
25 FEN I Focus error signal input
26 VREF O Reference voltage output
27 TBAL I Tracking balance adj. input
28 FBAL I Focus balance adj. input
20.3. IC702 (MN662790RSC):
Servo Processor/Digital Signal
Processor/Digital Filter/
D/A converter
Pin
No.
Terminal
Name
I/O Function
1 BCLK - Serial bit clock output (Not used, open)
2 LRCK - L/R discriminating signal output
(Not used, open)
3 SRDATA - Serial data signal output (Not used, open)
4 DV
DD
1 I Power supply terminal
20 Terminal Function of ICs
81
SA-AK48