Sony STR-DE895 - Fm Stereo/fm-am Receiver, Руководство по обслуживанию

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16
STR-DE895/DE995
• IC1101 MB91154PFV-G-113-BNDE1 (SYSTEM CONTROL) (DIGITAL Board (3/3))
Pin No. Pin Name I/O Pin Description
1 [7.1_DAT] O MULTI CH IN DATA
2 [7.1_CLK] O MULTI CH IN CLOCK
3 [006_LAT] O TC9273_006 LATCH
4 [011_LAT] O TC9273_011 LATCH
5 LED_DRV_DATA O LED DATA
6 LED_DRV_CLK O LED CLOCK
7 LED_DRV_CLR O LED CLEAR
8 LED_DRV_CE O LED LATCH
9 VSS — Ground
10 FUNCTION_JOG_1B I FUNCTION JOG 1B
11 FUNCTION_JOG_1A I FUNCTION JOG 1A
12 CURSOR_JOG_3B I CURSOR JOG 3B
13 CURSOR_JOG_3A I CURSOR JOG 3A
14 MENU_JOG_4B I MENU JOG 4B (DE995 only)
15 MENU_JOG_4A I MENU JOG 4A (DE995 only)
16 VOL_JOG_2B I VOLUME JOG 2B
17 VOL_JOG_2A I VOLUME JOG 2A
18 SP_A_RY O SPEAKER A RELAY CONTROL
19 SP_B_RY O SPEAKER B RELAY CONTROL
20 CENTER_RY O CENTER RELAY CONTROL
21 REAR_RY O REAR CH RELAY CONTROL
22 WOOFER_RY O WOOFER RELAY CONTROL
23 PROTECTOR I PROTECTOR CIRCUIT
24 HP_CTRL I HP DETECTION SW
25 PW_RY O POWER RELAY CONTROL
26 VSS — Ground
27 VCC — Power supply pin (+3.2 V)
28 TUNER_STEREO I TUNER STEREO IN
29 TUNER_AUTO_STOP I TUNER AUTO STOP IN
30 TUNER_MUTE O TUNER MUTE
31 TUNER_DO I TUNER DO
32 T.SERIAL_CLK O TUNER SERIAL CLOCK
33 T.DATA O TUNER DATA
34 T.LAT O TUNER LATCH
35 RDS_DATA I RDS DATA (Fixed at L)
36 to 39 V.SW1 to V.SW4 O VIDEO SWITCH 1 to 4
40 SB RY O SURR BACK RELAY CONTROL
41 2ND_RY O 2ND ROOM RELAY CONTROL (DE995 only)
42 HP_RY O HP RELAY CONTROL
43 SUB-T O SUB TRANSFORMER VOLT O/P
44 VSS — Ground
45 BRIDGEABLE RY O BRIDGEABLE RELAY CONTROL
46 FUSE DETECT I Not used (Fixed at H)
47 TC74HCT153_B O OPTICAL INPUT SW B
48 TC74HCT153_A O OPTICAL INPUT SW A
49 [GP12] I DSP1 IC GP12
50
[INPUT SENSITIVITY
I VOL GAIN OPTION (Fixed at L)
SELECTION]
51 NO USED — Not used (Fixed at L)
52 MD2 — FLASH PROGRAMMING
53 MD1 — FLASH PROGRAMMING (Fixed at H)
54 MD0 — FLASH PROGRAMMING