Sony WRT-800A, Руководство по обслуживанию

Страница: 27 / 40

WRT-800A (AU)
IC
5-4
PIN SIGNAL I/O DESCRIPTION
3 AV
SS
— Ground
7 V
SS
— Ground
6 X1 IN Clock input (32.768 kHz)
8 OSC1 IN Clock input (4 MHz)
10 RESET IN Reset (L: reset)
14 LED OUT LED
15 ID OUT Not used
16 POFF IN Power sw ON/OFF detection
19 CH3-8 IN CH3-8
20 CH3-4 IN CH3-4
21 CH3-2 IN CH3-2
22 CH3-1 IN CH3-1
23 CH2-8 IN CH2-8
24 CH2-4 IN CH2-4
25 CH2-2 IN CH2-2
26 CH2-1 IN CH2-1
28 LVD OUT LVD
30 AFM OUT AF-Muting
33 V
CC
IN Power supply
34 I/F CTS IN Communication
35 I/F TEST IN Communication
36 I/F RTS OUT Communication
37 I/F TXD OUT Communication
38 I/F RXD IN Communication
PIN SIGNAL I/O DESCRIPTION
42 CH1-1 IN CH1-1
43 CH1-2 IN CH1-2
44 CH1-4 IN CH1-4
45 CH1-8 IN CH1-8
46 TV IN TV
51 CLK OUT Clock for PLL/EEPROM
52 LAT OUT PLL latch
53 RFM OUT RF-Muting
54 LD IN Lock detection for PLL
55 CS OUT Chip select for EEPROM
56 DATA OUT Data for PLL/EEPROM
57 DO IN Data for EEPROM
58 V
CC
IN Power supply
60 BAT-H IN Battery detection
61 BAT-L IN Battery detection
59, 62, — IN Setting destination for
63, 64 WRT-800A
1, 2, 4, GND IN GND
7, 11,12,
17, 18
5, 9, 13, — — NC
27, 29, 31,
32, 39 to 41
47 to 50
CPU PIN DESCRIPTION : IC301
HD6473614H
-TOP VIEW-
1
3
7
16 V
CC
(+5V)
48
33
AV
SS
(GND)
V
SS
(GND)
64 58 49
17 32
AV
CC
(+5V)