Block Diagram - Amp/Panel/Power Supply Section - Sony DSX-B700 Service Manual

2019/10/24 21:43:03 (GMT+09:00)
DSX-B700/B700W/B710D
5-2.

BLOCK DIAGRAM - AMP/PANEL/POWER SUPPLY Section -

CENTER VOLTAGE
AUDIO_9V GENERATOR
IC402 (1/2)
FL, RL, SUB FL
>002B
RL
SUB
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: AUDIO
26
(B700/B710D)
LINE AMP
L
IC401
FRONT
R-CH R
LINE AMP
L
IC400
REAR
R-CH R
LINE AMP
IC402 (2/2)
SUB
MUTING
Q403
(B700/B710D) J401 (B700/B710D)
MUTING MUTING J402 (B700W)
Q405 Q410
R-CH
MUTING
LED901, 902, 905, 908
CONTROL
LED909, 910, 911
Q407 – 409
(ILLUMINATION)
POWER AMP
IC304 CN301 (1/2)
6
OUT2+ 5 FL+
12 IN2
8
OUT2– 3 FL–
5
FR+
R-CH
7
FR–
2
OUT1+ 9 RL+
11 IN1
4
OUT1– 7 RL–
1
RR+
R-CH
3
RR–
9
AMP_REM 25 AMP_REM
16 22 4
VDD_3.3V
PULL-UP
SWITCH
Q1307, 1308
J1001 (2/2)
REMOTE
LIQUID CRYSTAL
LCD901 DISPLAY DRIVER
LIQUID CRYSTAL DISPLAY IC901
SEG1 – SEG57,
60
SEG59, SEG60,
S [1] – S [60]
Green/Black light
8
COM [1] – COM [8] COM1 – COM8
LCD_DATA 78
LCD_CLK 77
LCD_CE 76
LED DRIVE
(RED) 4 4
Q902, 909, 79 Red
Q915, 918
LED DRIVE
(GRN) 4 4
Q903, 910, 80 Green
Q916, 919
LED DRIVE
(BLU)
4 4
Q901, 907, 1 Blue
Q914, 917
LED914, 915
LED DRIVE
2 Red/Black light
LCD BACK
Q921
LIGHT
D500
REMOTE CONTROL
RECEIVER
IC902
S903, 905, 907, 909,
S911, 912, 914, 916
(FRONT PANEL KEY)
S902, 904, 906, 908
S910, 913, 915
(FRONT PANEL KEY)
ROTARY
(VOLUME)
ENCODER
RE901
SYSTEM CONTROLLER
IC501 (2/2)
70 REMOTE_1K VDD_3.3V 11 VDD (3.3V)
DSP_3.3V 9 DSP (3.3V)
81 RC_IN1
80 RC_IN0
62 KEY_ACK0
+3.3V
TUNER_3.3V REGULATOR 4
IC002
AUDIO_9V 3 AUDIO (9V)
ACC_IN 51 15 ACCDET
BU_IN 35 14 BDET
48 LCD_DATA REG_SDA 28 12 SDA
46 LCD_CLK REG_SCL 31 10 SCL
47 LCD_CE RESET 5 13 RSTB
DIMMER D814
ILL_IN 55 DETECT
Q305
INDICATE_+B 83
(B710D)
+1.2V
DAB_1.2V REGULATOR
IC003
DAB_3.3V
+3.3V
BT_3.3V REGULATOR
IC1001
VBUS
USB_VBUS SWITCH
IC1304
64 SIRCS
FLT_USB 18
EN_USB 84
EN_SYS 17
78 KEY_1
SYNC 25
VDD
B+ SWITCH REGULATOR
79 KEY_0
(FOR IC901)
Q923 Q922
63 KEY_ACK1
VCC
(FOR IC902)
72 RE_IN1 +B
73 RE_IN0
58 AMPSTBY
57 AMP_MUTE
68 BEEP
56 ATT
Sony CONFIDENTIAL
For Authorized Servicer
REGULATOR
IC201
CN301 (2/2)
D200
15
VCC1 8 +B
VCC2 7
TUNER (5V)
13
ACC_IN 6 ACC
(B710D)
ANT_REM 1
11
ILL
ANT_REM
>001B
DC/DC
CONVERTER
IC1301
DC/DC
CONVERTER
IC1900
DSX-B700/B700W/B710D
SYS SET