16
16
STR-K995
STR-K995
4-2. BLOCK DIAGRAM – DISPLAY/POWER SECTION –
• R-CH is omitted due to same as L-CH.
• Signal Path
: FM
POWER AMP
IC701
POWER AMP
IC601
LIMITER
Q701,702
BOOSTER
Q703
BOOSTER
Q704
CURRENT
DETECT
Q705,706
AF POWER
PROTECT
Q740
LIMITER
Q651,652
BOOSTER
Q653
BOOSTER
Q654
CURRENT
DETECT
Q655,656
POWER AMP
IC501
LIMITER
Q501,502
BOOSTER
Q503
BOOSTER
Q504
CURRENT
DETECT
Q505,506
VACS
CONTROL
D841
D1001
PROTECT
SWITCH
Q722,723,725
Q793,795
RELAY
DRIVE
Q790
RY791
RELAY
DRIVE
Q710
RY701
D1111
RY601
D1110
D1109
D1108
RELAY
DRIVE
Q612
RY610
D1107
RELAY
DRIVE
Q610
L
R
R
L
R-CH
R-CH
R-CH
R-CH
SR-CH
SR-CH
R-CH
SR-CH
SR-CH
R-CH
PHONES
TB001
1
RV102
ENCODER
3
2
15
16
85
?/1
S100
D910-913
AC
IN
T903
Q922
Q923
D924
RY901
D915
F901
D914
RELAY
DRIVE
Q901
D105
5V
Q110
D920-923
AUDIO
+7V
IC801
VIDEO
+5V
IC807
IC802
D4001
F4001
F4002
RELAY
+B
VIDEO
-5V
IC804
D805-808
F1
F2
L
SW
SL
SL
C
J790
FLUORESCENT
INDICATOR TUBE
FL101
78
70
71
F1
F2
FL DRIVE
IC100
IC101
S109-112,115
FUNCTION
KEY
114
FUNCTION
KEY
115
S101-108
AF POWER
PROTECT
Q640
AF POWER
PROTECT
Q540
FRONT A
SURROUND
5V
IC1904
AUDIO
-7V
TUNER
+10V
IC1902
T901
Q921
AC DET
IC1710
RESET TRG
IC1700
IC1111
SYSTEM
RESET
D802
R803
+B
-B
-B
SWITCH
Q691,692
-20V REG
Q801
FL101
-20V
POWER AMP
-B
IC1031
IC691
+5V
+2.5V
IC1901
+3.3V
IC1001
AUDIO
+5V
IC4001
IC3516
IC3519(1/2)
IC3526
IC3527
IC3528
IC4100
HDMI
+5V
3.3V
1.8V
IC1906
DMPORT
+5V
SPEAKERS
(IMPEDANCE USE 6-16
Ω)
MASTER
VOLUME
RV101
ENCODER
3
2
21
20
INPUT
SELECTOR
IC2000
+3.3V
(STBY)
CENTER
RELAY
DRIVE
Q611
RY710
RELAY
DRIVE
Q560
RY560
L
R
R-CH
TM602
FRONT B
TM604
J2000
AUTO CAL MIC
AUDIO OUT
J309
1
3
1
5
3
7
1
SUB WOOFER
RELAY
DRIVE
Q809
RY801
REG
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299