Block Diagram - Sony SA-FT3H Service Manual

2-1. BLOCK DIAGRAM

PRE AMP
IC101
J701
5 7 3
LINE IN
SIGNAL AMP
IC601
3 1 6
S201
POWER
F901
~
AC IN
SA-FT3H/WFT3/SS-CNF3H/FRF3H
AMP
RV101
IC102
FILTER AMP
LEVEL
1 5 7 3 1 3
2
VOLTAGE
SUB+9V
DETECT
Q603
AUTO POWER OFF DETECT
IC602
RELAY/LED
SIGNAL
7 6 7
DETECT
Q601,602
S101
POWER SAVE
OFF
AUTO
T202
SUB TRANSFORMER
RECT
SUB+9V
D301-304
T1
POWER TRANSFORMER
PHASE AMP
IC103 (1/2) IC103 (2/2)
DRIVE
1 5 7
AMP
Q701-707
S102
FILTER
PHASE
Q101
RV102
REVERSE
BASS BOOST
NORMAL
(STANDBY)
LED DRIVE
RED
(RED)
Q608
ON/STANDBY
LED DRIVE
GREEN
DRIVE (GREEN)
(ON)
Q605 Q606,607 RY901
+85V
RECT
D401
-85V
D501
AC OFF
DETECT
Q501
+30V
RECT
D801-804
-30V
7 7
SA-FT3H/WFT3/SS-CNF3H/FRF3H
POWER
AMP SP401
Q708-711 SPEAKER
OVERLOAD SP402
DETECT SPEAKER
Q503,504
RELAY
DRIVE
Q502
RY501
D202
+12V REG
+30V +12V
Q102
-12V REG
-30V -12V
Q103
+6.2V REG
SUB+9V +6.2V
Q604
• Signal path
: LINE