Aiwa AV-DV95, Service Manual, Page: 33 / 36

I-SYNC-DET/I-RDS-SIG
I-JOG2
I-FU-JOG1
I-KEY2, I-KEY1
I-MIC
AVSS
O-STB-31
POWER-LED
P35-P24
P23/I-AM10K
P22/I-VF.KC.EC
P20/I-AC3
P19-O-P15
___________________
P14/I-STEREO
___________________
P13/I-HPMUTE
P12-P10
VDD2
-VFL
P9-P1
G11-G1
Pin No. Pin Name I/O Description
44
45
46
47, 48
49
50
51
52
53-64
65
66, 67
68
69-73
74
75
76-78
79
80
81-89
90-100
OSD sync. AD input. RDS tuning signal level. AD input.
Rotary encoder (JOG2). AD input.
Function selector rotary encoder (JOG1). AD input.
Key 2, 1. AD input.
Microphone signal level detector. AD input.
ADND.
GEQ IC chip enable output.
________
Power LED ON/OFF output (Active “H”).
FL segment output (P35-P24).
FL segment output (P23)/supporting AM step initialization 10 kHz.
FL segment output (P22, P21)/supporting VF, key control, ECHO. Diode input.
FL segment output (P20)/supporting AC-3. Diode input.
FL segment output (P19-P15).
FL segment output (P14). Turner/stereo detection input (stereo at “L”).
FL segment output (P13). Headphones insertion detection input (HP insertion at “L”).
FL segment output (P12-P10).
Power supply pin.
– Voltage.
FL segment output (P9-P1).
FL grid output (G11-G1).
I
I
I
I
I
—
O
O
O
O
I/O
I/O
O
I/O
I/O
O
—
—
O
O
Scan output to diode input (Active “L”).
Tuner PLL chip enable output.
Sound CTRL, PLL, DOLBY PROLOGIC or DSP, AC-3 VOL, GEQ. Data output.
__________________
Tuner TUNE/IFC detection input.
Sound CTRL, KEYCON strobe output.
________
System mute ON/OFF output.
Sound CTRL, PLL, DOLBY PROLOGIC or DSP, AC-3 VOL, GEQ. Clock output.
OSD chip enable output.
_____
System power supply. ON/OFF output.
DOLBY PROLOGIC or DSP chip enable output.
Not used.
Reference clock input for watch.
IC101. Strobe output from shift register (1).
Not used.
GND.
GND.
Power supply pin.
Not used.
DOLBY digital (AC-3) control. CS output.
DOLBY digital (AC-3) control. Clock output.
DOLBY digital (AC-3) control. Data output.
DOLBY digital (AC-3) control. Data input.
CODEC IC (CS4226) control. Data output.
_____
CODEC IC (CS4226) control. CS output.
RDS clock input (external interrupt).
RDS data input.
Reset.
Master VOL control output for SL/SR.
Master VOL control output for center/SUB-woofer (TRIM control output for center/
SUB-woofer).
OSD clock output.
Remote control input.
OSD data output.
Microprocessor clock shift output (Active “H”).
Power supply pin.
Connected to 5.76MHz oscillator.
Connected to 5.76MHz oscillator.
GND.
Power supply pin.
System power supply voltage monitoring. AD input.
Rotary encoder (VOL). AD input.
________________
K-SCAN
O-PLL-CE
O-DATA (M)
TUNE/IFC
O-STB (M)
O-MUTE
O-CLK (M)
O-OSD (CE)
/I-SYNC-DET
O-PRO-CE/O-DSP-CE
—
TM-BASE
—
—
IC
VSS
VDD
—
______
CS
SCK
SI
SO
SDA
______________
ADO/CS
I-RDS-CLK
I-RDS-DATA
_____________
RESET
O-CONT.1
O-CONT.2
OSD-CLK
___________
I-RMC
OSD-DATA
C-SHIFT
VDD1
X1
X2
VSS1
AVDD
____________
HOLD
I-RE-VOL
1
2
3
4
5
6
7
8
9
10
11
12
13
14-16
17
18
19
20, 21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
IC, UPD780228GF
Pin No. Pin Name I/O Description
IC DESCRIPTION
O
O
O
I
O
O
O
O
O
O
—
I
O
—
—
—
—
—
O
O
O
I
I
O
I
I
—
O
O
O
I
O
O
—
—
—
—
—
I
I
50 49