Block Diagram -Main Section - Sony HT-BE1 Service Manual

HT-BE1/SA-WBE1/SS-BE1
4-2. BLOCK DIAGRAM — MAIN SECTION —
AUDIO DETECT
IC505
6 7
R-CH 2 1
INPUT SELECT
IC502
J502
-1
L 8
11
MUTE
AUDIO IN
Q504
12 6
-2
R
R-CH
Q502
IC509
-3
WAVE
COAXIAL 3 2
SHAPER
DIGITAL OPTICAL
RECEIVER
IC503
OPTICAL OUT 1
LPF
1 2
IC506
USB INTERFACE,
BIAS
D/A CONVERTER
SWITCH
Q506
IC501
Q505
USB
BUS
DETECT
1
VBUS VBUS
8
2 D- D-
J501 USB
7
3 D+ D+ I/F
USB 6
4 GND
XT1
1
X501
CRYSTAL
12MHz
OSC
XT0
28
Q507
OSC
D504
SWITCH
D507
D506
LIN-
29
9
LIN+
6 7 2 1 30
10
AUDIO
AMP 5V
IC507
AVDD
DIGITAL AUDIO
I/F RECEIVER
Q501
DIN0
3
DATA
INPUT
DEMODULATOR
DIN1
Pa,Pb DETECTION
4
C bit DETECTION
MICROPROCESSOR
I/F
38 37 36
VDD
READY
+3.3V
VOUTL
23
DAC
VOUTR
19
R-CH
67 81 8 19 7
PLYBCK
10 63 USB-PLYSCK
MULTI-CHANNEL
AUDIO CODEC
IC804
AUDIO
SDTO
ADC LPF 9 18 DSI1
I/F
(1/2)
MCLKI 39 SCKOUT
14
IC803
GP8
AUDIO 24 69
CKOUT 13 22 KFSIO
BCKI2
BCK 14 29
LRCKI2
LRCK 15 28
DATA
16 30 SDI2
D804
LOCK ERROR
34 59 EXLOCK
DETECTION
35 33 48 17 21 22
X803
12.288MHz
33
HDIN
34 HCLK
68 56
24 22 20 18 23 16 15
12 12
DSP
IC802
SDTI1
SDO1 23 6
SDTI2
SDO2 24 7
AUDIO
SDTI3 I/F
SDO3 25 8
(2/2)
GP10 67
LRCKO 19
5 LRCK
BCKO 20 4 BCLK
MCLK1 9
X804
13.5MHz
17 3 43 42 41
MCLK2 12
+2.5V
VDDI
+3.3V
VDDE
36 32 2 113 35 7
X801
16MHz
13 14 11 12 6 17 39 38 97 21 99 98 1 2 100
SYSTEM
CONTROLLER
IC801 (1/2)
L-OUT
DAC 27 L
SL-OUT
DAC 25 SL
POWER
A
SECTION
C-OUT
DAC (Page 13)
23 C
SW-OUT
DAC
24 SW
D5V READY
D5V
D510
+2.5V
REG
+2.5V 2 1
IC807
+3.3V
+3.3V 3 REG 2
IC808
8
IN
OUT 7
2PIN 6 CN802
(PROGRAMMING)
CLK 5
VPP 4
RESET 3
D 5.6V
(SW)
RESET
RESET 34
Q801
RESET
STOP 90 1 2
IC806
D802
D803
AVREF 76
D812
VDD D811
EXCEPT
D 5.6V
US,CND,MX
(UNSW)
• Signal path MODEL
: LINE
: DIGITAL AUDIO (COAXIAL)
: DIGITAL AUDIO (OPTICAL)
• R-ch is omitted due to
same as L-ch.
• Abbreviation
CND: Canadian model
MX : Mexican model