Block Diagram -Main Section - Sony HCD-F250AV Service Manual

Q Q
6-2. BLOCK DIAGRAM — MAIN SECTION —
3 7 6 3 1 5 1 5 0
J101
L
IN
R R CH
VIDEO/
MD
L
OUT
R R CH
L
PB
R R CH
R CH
J782 J782
MIC
IC781 IC781
CN102
ST L
ST D OUT
ST D IN
ST CLK
TO/FROM
TUNER
ST CE
UNIT
TUNED
STEREO
ST MUTE
CD L
B
IIC DATA
T E
TO/FROM IIC CLK
L 1 3 9 4 2 2 9 6 5 1 3
CD
BLOCK
RESET
(Page 28)
DOLBY PROLOGIC
MATRIX DECODER
IC301
CN106
A PB L
48
B PB L
46 40
A
REC L EQ DOLBY
TO/FROM 36
B-NR
AUDIO
BLOCK
BIAS
32
(Page 32) BIAS
33 BIAS
43
RELAY
17 19 24 26 18 16 25 23 22 20 15
CN107
A 120/70
B 120/70
88 31 93 94 87 89 90 92 99 72
97 TC RELAY
A PLAY
95 A PLAY
B PLAY
96 B PLAY
A HALF
98 A HALF
B HALF
28 B HALF
A SHUT
TO/FROM 26 A SHUT
TC
B SHUT
27 B SHUT
BLOCK
84 83 82 85 86 17
TRG CAP
A TRG M+
MOTOR MOTOR
B TRG M-
DRIVE DRIVE
Q331-334 Q335-343
CAP M H/L
CAP M+
CAP M-
16
w w w
.
SOUND
CONTROL
IC101
69 IN A L OUT 36 1
POWER
AMP
66 IN B
Q111,112 Q113 IC801
67 IN C 6
BB A 39
DBFB
68 IN D MUTE
SWITCH
BB B 38
57
REC B
58 REC A
Q141
S OUT 59
2 MIC IN
PROCESSOR
KIY 60
VOL 40
24
L IN
61 LT IN
33 32 34
51
Q575
MUTE
Q571,572
MUTE
CONT
70 69 68 65 67 66 52 51 3 2 1 100 50 49 42 41
SYSTEM
CONTROL
IC501
x a o
y
i
— 29 —
http://www.xiaoyu163.com
8
10
Q801 Q811,812
OVER HEAT
+B
LOAD DET SENSOR
D813
Q731
OVER
SURROUND
LOAD DET
REAR AMP
IC201 D863
IC831
S OUT
33
Q292
Q831,834,881
MUTE
OVER
LOAD DET
CENTER AMP
IC831
C OUT 31
Q291
MUTE
53 50 54 52 49
Q505
MUTE
Q Q
3 7 6 3
RESET
3 1 M U D+5V
IC502
RESET
Q501
55 56 53 6 8 15
CD POWER 46
POWER 5
u 1 6 3
.
http://www.xiaoyu163.com
2 4
9 9 8
R CH
R CH
TM701
RY701 L R
Q701,702
RELAY
DRIVE
Q732
2 6
RELAY
CONTROL
IC701
1 4
Q703,704
7
FAN
FAN
RY711
DRIVE
Q733
MUTE
CENTER
Q711,712
RELAY
DRIVE
Q713
MUTE
J191
IC191
SUPER
WOOFER
Q191
MUTE
1 5 1 5 0 8 9 2 4
17
4 SPEANA
14
IC603
13
S601-644
FUCTION
KEY
S651 ROTARY
VOLUME ENCODER
S652
JOG
SIRCS
P U+5V
IC402
IIC DATA
IIC CLK
D914
RDS D+5V
TC D+5V
Q907,908
POWER
CD A+5V
SWITCH
Q905,906
AUDIO D+5V A +7V
POWER
MUTE +5V TC +7V
SWITCH
D917
A-7V
TC -7V
CD -UNREG
FAN M -UNREG
CD M+7V
P U+5V
CD U+5V
IC904
ST A+10V M U+5V
PL VCC 3 REG 1 TC EMRG M+5V
m
IC903 Q911-914
POWER
TC M+12V 3 REG 1
SWITCH
c o
— 30 —
HCD-F250AV
2
9 9
J781
PHONS
(FRONT)
SPEAKER
(REAR)
• RCH is omitted
• Signal Path
: PB
: REC
TM702
: FM
: CD
FL601
DISPLAY
DISPLAY CONTROL
IC601
F1 F2
9 8 2 9 9
34 SPEANA0 SEG1 54
37 SPEANA3 SEG20 77
32 L+R G1 41
G13 53
D611-628
Q601-604
26 KEY0 1 D630-640
Q608-612
29 KEY3 6
.
LED1
LED
11
DRIVER
LED16
19 VOL A 18
.
20 VOL B 31
21 JOG A LED SEL 25
22
JOG B
XO
8
X601
33 SIRCS XI 9
Q910
-30V
10 RESET VKK 78
REG
24 DATA
23 CLOCK
T991
D821 D821
MAIN +B
MAIN -B
Q901,902,915 D901-904
AC
IN
REG
Q916,951,952
REG
F1
IC901
F2
3 REG 1
IC902
3 REG 1