Akai DV-R4000SS Service Manual page 36

IC301 TMP87EP26F PINS DESCRIPTION
Pin Port Nome Pin Name
1 VSS VSS
2 XOUT XOUT
3 XIN XIN
4 /RESET RESET
5 P2.2 (XTOUT) CS
6 P2.1 (XTIN) CLK
7 TEST TEST
8 P2.0 (INT5/STOP) STOP*
9 P4.0 (INT3/TC3) IR*
10 P4.1 (PWM/PDO) CLKSHIFT
11 P4.2 (/SCK1) RDSCLK*
12 P4.3 (SI1) REDSDAT*
13 P4.4 (SO1) Tuner/-DVD
14 P4.5 (/SCK2) DVD-VCLK*
15 P4.6 (SI2) DVD-VDAT*
16 P4.7 (SO2)
17 P0.0 /OE
18 P0.1 LE
19 P0.2 DOUT
20 P0.3 PLL-CLK
21 P0.4 PLL-PERIOD
22 P0.5 STEREO
23 P0.6 DVD-ACT
24 P0.7 DVD-IR
25 P1.0 (/INT0) SHORT-CIRCUIT
26 P1.1 (INT1)
27 P1.2 (INT2/TC1) DVD-VCS
28 P1.3 (DVO) CH-MUTE
29 P1.4 (PPG) AUX
30 P1.5 (TC2) DVD-PWR
31 P1.6 MAIN-PWR
32 P1.7 SYSMUTE
33 P3.0 VRDDIN
34 P3.1 VFDCS
35 P3.2 VFDCLK
36 P3.3 PLL-DATA
37 P3.4 SCL
38 P3.5 SDA
39 P3.6 CH-MUTE
40 P5.0 (AIN0) COUNTRY
41 P5.1 (AIN1) SIGNAL-DET
42 P5.2 (AIN2) JOG-VOL+
43 P5.3 (AIN3) JOG-VOL-
44 P5.4 (AIN4) KEY0
45 P5.5 (AIN5)
46 P5.6 (AIN6) AM-STEP
47 P5.7 (AIN7)
48 VAREF VAREF
49 BOOT BOOT (H-Program)
50 VSS VSS
51 VDD VDD
52 P8.0 (SEG39)
53 P8.1 (SEG38)
Description
Ground
8MHz
8MHz
CS to Display driver
Clock to Display driver
Poewer Down detector
Remote controller
Clock shift on tuner
RDS Clock input pin
RDS Data input pin
Selection of Tuner or DVD
DVD VFD Clock pin
DVD VFD Data pin
373 OE pin
373 LE pin
Data input from Display Driver
Tuner Clock pin
Tuner Period pin
Tuner STEREO input pin
(Not used)
IR signal to DVD
Speaker Short circuit detect
DVD CS to Display driver
Channel Mute pin
AUX Channel Selection
DVD Power control pin
Main Power control pin
System Mute
Data output to Display driver
Clock to Display driver
Tuner Data pin
I2C Clock pin for Volume IC
I2C Data pin for Volume IC
Channel mute pin
Tuner Country selection
Tuner Signal Strength detection
Jogger Volume +
Jogger Volume -
Keyboard
Tuner AM Step selection
Analog VCC
Program Data to EEPROM
Ground
+5V
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IC301 TMP87EP26F PINS DESCRIPTION - CONTINUED
Pin Port Nome Pin Name
54 P8.2 (SEG37)
55 P8.3 (SEG36)
56 P8.4 (SEG35)
57 P8.5 (SEG34)
58 P8.6 (SEG33)
59 P8.7 (SEG32)
60 P7.0 (SEG31)
61 P7.1 (SEG30)
62 P7.2 (SEG29)
63 P7.3 (SEG28)
64 P7.4 (SEG27)
65 P7.5 (SEG26)
66 P7.6 (SEG25)
67 P7.7 (SEG24)
68 P6.0 (SEG23)
69 P6.1 (SEG22) RVS_SW
70 P6.2 (SEG21) FWD_SW
71 P6.3 (SEG20) OPCL_SW
72 P6.4 (SEG19) CN1_SW
73 P6.5 (SEG18) CN2_SW
74 P6.6 (SEG17) HOME_SW
75 P6.7 (SEG16) EXTRA_SW
76 P9.0 (SEG15) CMF
77 P9.1 (SEG14) DMR
78 P9.2 (SEG13) DMF
79 P9.3 (SEG12) DMR
80 SEG11
81 SEG10
82 SEG9
83 SEG8
84 SEG7
85 SEG6
86 SEG5
87 SEG4
88 SEG3
89 SEG2
90 SEG1
91 SEG0
92 COM3
93 COM2
94 COM1
95 COM0
96 VLC LCD Power
97 PD0
98 PD1
99 PD2
100 VDD VDD
Description
3-CD Tokyo Pigeon Changer
3-CD Tokyo Pigeon Changer
3-CD Tokyo Pigeon Changer
3-CD Tokyo Pigeon Changer
3-CD Tokyo Pigeon Changer
3-CD Tokyo Pigeon Changer
3-CD Tokyo Pigeon Changer
3-CD Tokyo Pigeon Changer
3-CD Tokyo Pigeon Changer
3-CD Tokyo Pigeon Changer
3-CD Tokyo Pigeon Changer
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