Sony XR-C8200, Руководство по обслуживанию

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MAIN BOARD IC501
µ
PD78058GC-463-3B9 (SYSTEM CONTROLLER)
Pin No. Pin Name I/O Function
1 RC IN0 I Rotary remote commander shift key A/D input terminal
2 ILL.IN I Dimmer detection signal input Dimmer is present at input of “L”
3 NIL I Not used (fixed at “L”)
4 AVSS — Ground terminal (for A/D converter)
5 LCDANG O Output signal for the LCD view angle adjustment
6 NIL I Not used (fixed at “L”)
7 AVREF1 I Reference voltage (+5V) input terminal (for D/A converter)
8 RE IN0 I Rotary encoder (RE701) input terminal
9 RE IN1 I Rotary encoder (RE701) input terminal
10 SUB-CONT1 O Sub-woofer control signal output
11 SUB-CONT2 O Sub-woofer control signal output
12 LCDSO O Serial data output to the liquid crystal display driver (IC701)
13 LCDCKO O Serial data transfer clock signal output to the liquid crystal display driver (IC701)
14 LCDCE O Chip enable output to the liquid crystal display driver (IC701)
15 LCDINH O
Blank indicate control signal output to the liquid crystal display driver (IC701)
“L”: no display
16 UNISI I Serial data input from the SONY bus interface (IC571)
17 UNISO O Serial data output to the SONY bus interface (IC571)
18 UNICKI I Serial data reading clock signal input terminal (for SONY bus)
19 UNICKO O
Serial data transfer clock signal output to the tuner controller (IC101) and SONY bus interface
(IC571)
20 BUSON O
Bus on/off control signal output to the tuner controller (IC101) and SONY bus interface (IC571)
“L”: bus on
21 SYSRST O Reset signal output to the tuner controller (IC101) and SONY bus interface (IC571) “L”: reset
22 AMPON O Standby control signal output to the power amplifier (IC701) “L”: standby
23 — — Not used (open)
24 NCO O Not used (open)
25 PW ON O Main system power supply on/off control signal output to the BA3918 (IC601) “H”: power on
26 ILLON O
27 COLOR O Illumination color selection signal output “H”: amber, “L”: green
28 AMSON O
Tape auto music sensor control signal output to the CXA2511AQ (IC231)
“L” is output to lower the gain for audio level at FF/REW
29 REL I Reel table rotation detect signal input from the take-up and supply reel sensor
30 MTLIN I Auto METAL detect signal input from the METAL detect switch on the mechanism block
31 POS3 I
32 POS2 I
33 GND — Ground terminal
34 POS0 I
35 POS1 I
36 LM LOD O
Loading/tape operation motor control signal output to the LB1638M (IC201)
(For the loading direction and forward side operation) *1
37 LM EJ O
Loading/tape operation motor control signal output to the LB1638M (IC201)
(For the eject direction and reverse side operation) *1
Tape position detect input from the tape operation switch on the mechanism block
Tape position detect input from the tape operation switch on the mechanism block
Power supply on/off control signal output terminal at the illumination and liquid crystal display
driver (IC701) “H”: power on
At power select switch (S501) on mode: “H” output at the accessory on
At power select switch (S501) off mode: “H” output at the power on