Block Diagram - Display/Power Section - Sony STR-K1000P Service Manual

3-2. BLOCK DIAGRAM – DISPLAY/POWER SECTION –
• R-CH is omitted due to same as L-CH.
• Signal Path
: FM
MAIN A
SECTION
FL101
FLUORESCENT
INDICATOR TUBE
F1 F2
IC100
FL DRIVE
D101-104
14 29 42 31
SEG1-16 GRID1-12 SW1 1
SW2 2
SW3 3
SW4 4
7 8 9
IC101
BUFFER
59 60 57
82 83 38 39 40
X1101
24MHz
FUNCTION FUNCTION FUNCTION
KEY KEY KEY
S140-143, S100-108, S120-125,
S148-153
S110 S128-130
STR-K1000P
IC701
POWER AMP
Q703
+V OUT2 12
BOOSTER
Q701,702
LIMITER
L 8 IN2 NF2 9
Q705,706
Q704
-V OUT2 11 CURRENT
BOOSTER
DETECT
IC601
POWER AMP
Q653
+V OUT2 12
BOOSTER
Q651,652
LIMITER
SL SL 8 IN2 NF2 9
Q655,656
Q654
-V OUT2 11 CURRENT
BOOSTER
DETECT
POWER AMP
IC501
Q503
+V OUT2 12
BOOSTER
Q501,502
LIMITER
C 8 IN2 NF2 9
Q505,506
Q504
-V OUT2 11 CURRENT
BOOSTER
DETECT
Q533
+V OUT1 2
BOOSTER
Q571,572
LIMITER
SBL 6 NF1 5
IN1
Q535,536
Q534
CURRENT
-V OUT1 3
BOOSTER
DETECT
D721
62 66 69 68 61 67
SYSTEM CONTROL
IC1101(3/3)
46 45 56
47
3 1
S131 Q110
ENCODER
LED DRIVE
?/1
RV102
MASTER
VOLUME
RY791
Q790
RELAY
DRIVE
RY701
D731
Q740 Q710
AF POWER RELAY
DRIVE
PROTECT
RY601
Q640 D733 Q610
AF POWER RELAY
PROTECT DRIVE
RY610
Q810
RELAY
DRIVE
RY501
Q540 D734 Q550
AF POWER RELAY
PROTECT DRIVE
Q580
AF POWER
PROTECT
Q722,723,725
PROTECT
SWITCH
55
FUSE DETECT 63
IC102
REMOTE
SIRCS 54 1 CONTROL
RECEIVER
BRIGEABLE RY 72
AVCC 35
VCC3 84
VCC5 23
1
RSTX 77
STOP 48
58
D105
MUMLTI CHANNEL
DECODING
13 13
R-CH
J791
PHONES
TM601
L
FRONT A
R-CH R
R-CH SR
SURROUND
SL
SPEAKERS
TM610
FRONT B
TM501
CENTER
C
SURROUND
SB
BACK
+3.3V
+2.5V
+5V
Q809
RELAY
DRIVE
+B
-B
Q691,692
POWER AMP
-B
-B
SWITCH
IC691 IC691
2 1 5 7
FL101 Q801
-20V -20V REG
RELAY
+B
IC801
AUDIO +7V
1 3
+7V REG
IC802
AUDIO
-7V
3 2
-7V
REG
IC1001 IC1902
AUDIO +5V TUNER +10V
3 1
3 1
+5V REG +10V REG
+3.3V(STBY)
IC1904
+3.3V
3 1
REG
IC1111
RESET 2
Q921
AC DET
STR-K1000P
IC1901
+3.3V
2
REG
4
+2.5V
5
REG
T901
D805-808
IC1031
+5V
3 1
REG
RY801
D802
D920-923
E51
S901
VOLTAGE
F1
SELECTOR
F2
F901
T902
D910-913
D914 D915
RY901
Q901
RELAY
DRIVE
AC
IN