Sony HT-BE1, Service Manual

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8
HT-BE1/SA-WBE1/SS-BE1
1 LRSY I CD L/R clock input
1 CO-DI O Data output for MAC.
2 CO-CLK O Clock output for MAC.
3 U L/OTHER H I
Destination setting input (L: US, Canadian, Mexican model, H: Except US, Canadian,
Mexican model)
4 USB L/OTHER H I USB setting input (Fixed at L)
5 NC — Not used. (Open)
6 DSP-DO O Serial data output for DSP.
7 DIG-DI I Serial data input from DSP.
8 DIG-CLK O Clock output for DSP.
9 EVDD — Power supply pin (+3.3 V)
10 EVSS — Ground
11 DSP-RST O Reset signal output for DSP. (L: active)
12 DSP-PM O PLL initialization output for DSP.
13 DSP-CS O Chip select output for DSP.
14 DSP-HACN I Acknowledge signal input from DSP.
15 DSP-BST O Boot stop signal output for DSP.
16 DSP-GP9 I Decode signal input from DSP.
17 DSP-PLOCK I Internal PLL lock signal input from DSP.
18 DIR-ERR I PLL lock signal input from DIR.
19 DIR-CE O Chip enable signal output for DIR.
20 DIR-XST I Reset signal input from DIR.
21 VPP — Programming power supply pin
22 DIR-AD O Serial data output for DIR.
23 DIR-XMODE I System reset signal input from DIR.
24 DIRDO I Serial data input from DIR.
25, 26 NC — Not used. (Open)
27 MUTE-FL,FR O Amplifier mute (FL, FR) output
28 MUTE-SL,SR,C O Amplifier mute (SL, SR, C) output
29 MUTE-SW O Amplifier mute (SW) output
30 to 33 NC — Not used. (Open)
34 RESET I µ-com reset signal input
35 XT1 I Not used. (Fixed at L)
36 XT2 O Not used. (Open)
37 NC — Not used. (Connected to capacitor)
38 X2 O Main clock signal output (16 MHz)
39 X1 I Main clock signal input (16 MHz)
40 VSS — Ground
41 VDD — Power supply pin (+5 V)
42, 43 NC — Not used. (Open)
44 AMP-MUTE O Amplifier mute output
45 NC — Not used. (Open)
46 P-CONT I Power control signal input
47 to 50 NC — Not used. (Open)
51 DISC I Not used. (Fixed at L)
52 NC — Not used. (Open)
53 LCD-CLK O Clock output for LCD driver.
54 LCD-DATA O Serial data output for LCD driver.
55 LCD-CS O Chip select output for LCD driver.
56 LCD-C/D O Latch output for LCD driver.
57 LED-CLR — Not used. (Open)
SECTION 4
DIAGRAMS
4-1. IC PIN DESCRIPTIONS
• IC801 µPD703033A (SYSTEM CONTROLLER)
Pin No. Pin Name I/O Pin Description