Sony HCD-VX99 Service Manual page 27

Q Q
3 7 6 3 1 5 1 5 0
– MAIN SECTION –
TUNER
L-CH
A
SECTION
(Page 25)
VIDEO
LOUT
D
SECTION
(Page 26)
J101
L-CH
L
MD/VIDEO
(AUDIO)
R R-CH
PB EQ
DECK-A
AMP
RV302
IC303
PB
HEAD
PB EQ
R-CH
AMP
RV303
IC304
REC/PB SWITCH
DECK-B
IC302
1
REC/PB 2 SWITCH
4
HEAD Q304,305
3
R-CH
R CH
C332,L301
BIAS
TRAP
RV304
REC
R-CH
BIAS
T301 TA+12V
T E
L 1 3 9 4 2 2 9 6 5 1 3 BIAS
OSC
ERASE
Q302,303 Q301
HEAD
Q141
DC
+6V A+12V
BIAS
TC BLOCK
A120/70
B120/70
A HALF
B HALF
A PLAY
B PLAY
A SHUT
B SHUT
91 90 69 68 93 67
Q393,394
A TRIG
A TRG M+ 57 A TRIG
DRIVE
Q391,392
B TRIG
B TRG M+ 58 B TRIG
DRIVE
Q395
CAP MOTOR
CAP M H/L 59
CAP M H/L
SPEED CONT
Q396,397
CAP MOTOR
CAP M+ 60 CAP M CONT
DRIVE
09
• RCH is omitted
• Signal Path
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
w w w
: FM
: CD
.
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DECK PROC.
IC301
IC104
REC
43
48 REC
RCH
DOLBY
B
70
A PB
DOL
PB
40
PAS
B
120
46
REC
36 38 39
EQ
RV301
REC(L)
LEVEL
NORM
33
BIAS
CROM
SW
32
17 19 16 18 15 20 22 23 24 25 26
X401 X402
32.768kHz 16MHz
79 10 11 15 13 77 76 78 75 74 73 72 71 70 4 5
MASTER CONTROL
IC401(2/2)
x a o u 1 6 3
y
i
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8
INPUT SELECT
TONE/VOL CONT
IC101
IC102 IC501
5
40 IN2A VOL OUT2 24
7
15 11
6 POWER
AMP
Q504,505 Q861
MUTE MUTE MUTE
38
IN2C
CONT Q103 12 CONT
Q101,102
DBFB D841
REF 1
CONT
37 IN2D
Q503,504
MUTE MUTE
Q503 +B
CONT Q581
DBFB
SWITCH
35 INVOL OUT2
IN2 34
39 IN2B
21 DATA
22
CLOCK
SURROUND
PROCESSOR
J721
IC103
MIC 1
7 L-IN L-OUT 10
Q Q
3 7 6 3 1
J722
MIC 2
1 2 3
D822
1 2 3 83 84 100 87 82 30 29 18 7
CD POWER
85
12
Q501
c o
.
27 27
2 4
9 9 8
R CH
Q821,822
Q824,825 RY801
MUTE PROTECT R CH
RELAY
Q862 DETECTOR
DRIVE
Q551 Q823 Q828,829
D502
OVER LOAD PROTECT PROTECT
DETECTOR CONT SWITCH R CH
Q506,506
OVER HEAT
DETECTOR
Q891,892
Q615
IC602
+5.6V
+7V 10 17
REG SPEANA
BPF
12
6
11
5
4
RV722 3
MIC
VOL
S617,618
IC722 IC722
S623-628,630-636
FUCTION
KEY
S611-616
S619-622,626,629
FUCTION
5 1 5 0 8 9 2 4 9
IC721 KEY
RV721
S637-648
ECHO
2 6
LEVEL FUCTION
KEY
ECHO
LEVEL
S601
VOLUME
SIRCS
IC603
-B
IC911 Q911,912
CD D+5V +B
+5V CD POWER POWER
CD A+5V 3 1
REG SWITCH
AMP
-B
D901-904
D952 IC951
RDS D+5V UNSW
D953 +5V
AUDIO +5V 3 1
REG
A+12V
TC A+12V D511
IC921
MIC A+12V
+12V
ST A+12V 3
1
REG
IC501 D906-909
IC961
RESET
+9V
TC M+9V 3 1
REG
IC931
CD M+7V
+7V
LED +7V 3 1
REG
m
HCD-VX99
2
9 9
J102
SURROUND
SPEAKER
TM801
L
SPEAKER
R
J631
PHONS
FAN
FAN
DRIVE
FL601
FLOURESCENT
INDICATOR TUBE
DISPLAY CONTROL
IC601
3 HEADPHONE
F1 F2
50
.
P1
52
P35
85 Q606-614
20 BPF 0 G1 49
LED
DRIVER
25 BPF 5 G17 33
26 ALL BAND
Q630-635
PLAY1-3 10
LED
D630-632
DRIVER
EXIST1-3 5
GROOVE LED 11
D611-615
17 KEY0 FILE LED 12 D617,618
Q621-626
BASS SHIFT LED 13
LED
FUNCTION LED 14
DRIVER
REC/PAUSE LED 15
8 2 9 9
18 KEY1
SURROUND LED 16
Q604
LED D601
POWER LED 28
DRIVER
19 KEY2 POWER
Q605
D602
LED
VOL A
1 TIMER LED 27 TIMER
DRIVER
2 VOL B SELECT
100 SIRCS
XIN 89
X601
12.5MHz
97 I2C DATA
XOUT 90
98 I2CCLOCK
96 WAKE UP
92 RESET
Q941
-V
REG
D541 F974 T971
F975 F973
S951
F972
AC
F971
IN
F1
F2