Block Diagram - Sony FT1H - SA 5.1-CH Home Theater Speaker Sys Service Manual

2-1. BLOCK DIAGRAM

IC101 (2/2)
LINE
J101
5 7
BUFFER
LINE IN
IC601
D600
AUDIO
3 LEVEL 7
DETECT
• Signal path
: LINE
SA-FT1H/WPFT1/SS-CNPFT1/MSPFT1/SRPFT1
IC101 (1/2) IC102 (2/2) IC102 (1/2)
3 LPF 1 5 HPF 7 3 AMP 1
+7.8V
CURRENT
SOURCE
Q603
IC602
BUFFER LEVEL
6 7
Q601,602 COMPARATOR
S101
POWER SAVE
AUTO
OFF
RV101
LEVEL
IC103 (2/2)
IC103 (1/2)
5
BASS
6 BOOST 7 2 PHASE 1
AMP
3
S102
PHASE
NORMAL
S103
BASS BOOST
BASS BOOST REVERSE
OFF
Q101
ON
+14V REG.
+14V
-14V REG.
-14V
+7.8V
POWER
SAVE RELAY DRIVE
SWITCH Q606
Q605
LED DRIVE
Q608
D202
ON/STANDBY
9 9
SA-FT1H/WPFT1/SS-CNPFT1/MSPFT1/SRPFT1
+IN
PRE POWER
AMP -IN AMP
Q701–707 Q708–711
+B -B
OVER CURRENT
DETECT
Q731
PROTECT CONTROL
IC500
DC DETECT RELAY DRIVER
2
DELAY
SWITCH 1 OVER LOAD
Q505
4 AC OFF
RECT
MAIN POWER
D801
TRANSFORMER
+
+B
-B -
D504
RECT
D802–805
R801
Q102
R802
Q103
RY901
RECT
D301–304
+7.8V +
+3.7 REG. -
+3.7V
Q604
TRANSFORMER
D605
LED DRIVE
Q630
SP101
SPEAKER
6 RY501
T1
F901
2.5A
S902
POWER
AC IN -
T202
SUB