Sony HT-BE1 / SA-WBE1 / SS-BE1 Service Manual ▷ View online
5
HT-BE1/SA-WBE1/SS-BE1
SECTION 3
DISASSEMBLY
• The equipment can be removed using the following procedure.
3-1.
TOP CHASSIS ASSY
(Page 5)
(Page 5)
3-3.
REAR PANEL ASSY
(Page 6)
(Page 6)
SET
3-2.
DISPLAY BOARD,
KEY BOARD
(Page 6)
KEY BOARD
(Page 6)
3-4.
MAIN BOARD
(Page 7)
(Page 7)
3-1. TOP CHASSIS ASSY
Note : Follow the disassembly procedure in the numerical order given.
7
CN701
6
grille frame assy
0
top chassis assy
5
BVTP 3x10
2
BVTP 3x10
8
BVTP 3x10
4
BVTP 3x10
9
1
blind panel
3
blind panel
6
HT-BE1/SA-WBE1/SS-BE1
3-2. DISPLAY BOARD, KEY BOARD
3-3. REAR PANEL ASSY
5
CN702
2
BVTP 3x10
4
LCD holder sub assy
3
BVTP 3x10
6
BVTP 3x10
8
BVTP 3x10
7
DISPLAY board
9
KEY board
1
dial knob
5
PTP 4x20
6
PTP 4x20
7
rear panel assy
2
CN381
1
CN901
(US, Canadian, Mexican model)
1
CN902
(Except US, Canadian, Mexican model)
3
CN383
4
CN301
7
HT-BE1/SA-WBE1/SS-BE1
3-4. MAIN BOARD
2
BVTP 3x10
5
BVTP 3x10
6
BVTP 3x10
4
CN421
8
DC fan (FAN901)
9
MAIN board
3
BVTP 3x10
heat sink
7
BTP 3x25
1
CN382
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
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