Block Diagram - Main Section - Sony HCD-VX5A Service Manual

Q Q
7-4. BLOCK DIAGRAM – MAIN Section –
3 7 6 3 1 5 1 5 0
DIGITAL ECHO
IC711
J711
MIC AMP
MIC 2
IC712 (1/2)
RV712
MIC LEVEL
J712
MIC 1
INPUT SELECT SWITCH,
GRAPHIC EQUALIZER CONTROL,
CD-L
E ELECTRICAL VOLUME
(Page 24)
IC101
IN E2
65
PB-L IN D2
F
(Page 26) 66
INPUT
IN B2
68 SELECT
IN A2
SWITCH
69
IN C2
67
J101 (1/2)
L R-CH
VIDEO
(AUDIO) IN
R R-CH
L
MD IN
R R-CH
T E
L 1 3 9 4 2 2 9 6 5 1 3
ANTENNA
FM/AM TUNER UNIT
FM ANT ST-L
FM
75Ω
ST-R R-CH
FM ANT
ST-MUTE
AM ANT STEREO
AM TUNED
AM ANT
ST-DIN
ST-DOUT
ST-CLK
ST-CE
• SIGNAL PATH
: TUNER (FM/AM)
: CD PLAY
w w w
: TAPE PLAY
: RECORD
: MIC INPUT
.
05
RESET
I
(Page 29)
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RV711
ECHO
LEVEL
MIC AMP
IC712 (2/2)
2 58
GRAPHIC EQUALIZER
+
CONTROL CIRCUIT
+
R-CH
SOUND
CONTROL
L+R
+
CIRCUIT
30
KEY OUT 1
6 R-CH
KEY OUT 2
59
60 5
R-CH
L-IN
11
L+R/L–R
MATRIX ADM L.P.F.
R-CH
CIRCUIT
S-RAM
OSC
3 L+R/L–R
LC-INB LC-INE
23 24
OSC
40
493-DATA 47
48
493-CLK
493-LATCH 38
D607
DBFB-H/L 7
D644
BASS FREQ. 44
49 ST-MUTE
50 STEREO
51 TUNED
53 ST-DOUT
54 ST-DIN
55 ST-CLK
52 ST-CE
SYSTEM CONTROLLER
IC501 (3/4)
STK-MUTE 1
LINE-MUTE 6
AC-CUT 22
11 XC-OUT
X601
RESET SWITCH
RESET 12
32.768kHz
Q501
XC-IN
10
x a o u 1 6 3
y
PROTECTOR 27
13 X-OUT
F-RELAY 3
X613
i
16MHz
15 X-IN RY-SW 36
– 27 –
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8
+
R-CH
57
+
VOL
BASS BOOST
F OUT2 IN2
VOLUME
42 41 CONTROL
CONTROL
CIRCUIT
CPU
COMMAND
INTERFACE
38, 39
33 32 34
L-OUT
EFFECT/
DBFB CONTROL
14
L/R+DELAY
BYPASS
SWITCH
CIRCUIT
Q111
Q Q
3 7 6 3 1
SURROUND
PROCESSOR
IC1201
POWER AMP
IC801
MUTING
Q113
STANDBY SWITCH
R-CH
Q803, 804, 881
MUTING CONTROL +5V
SWITCH
Q508, 509
RESET SIGNAL OVER LOAD
GENERATOR
DETECT
IC502
Q801
DC DETECT
+
R-CH SWITCH
Q433, 434
c o
.
2 4
9 9 8
SUPER
WOOFER
72
BUF
D191
OUT2
36
PROTECT
SWITCH
Q192
37
FEED BACK
R-CH
SWITCH
Q112
D141
+
R-CH
5 1 5 0 8 9 2 4 9
BASS FREQUENCY
CONTROL SWITCH
Q201
–1
–2
R-CH
R-CH
R-CH
R-CH
TH831
MUTING
Q411, 471
TEMPERATURE
DETECT SWITCH
Q831, 832
MUTING CONTROL
SWITCH
Q412
R-CH
D803
+
OVER LOAD OVER LOAD
DETECT SWITCH DETECT SWITCH
Q432 m Q437
PROTECT SWITCH
Q439
PROTECT SWITCH
Q435, 436
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HCD-VX5A/VX5AJ/VX7A
2
9 9
REC-L
G (Page 26)
SPEANA
H
(Page 29)
J101 (2/2)
L
MD OUT
R-CH R
J191
SUPER WOOFER
MUTING
Q191
M501
(FAN)
FAN MOTOR
M
DRIVE
Q401, 402
TM402
SURROUND SPEAKER
IMPEDANCE USE 16Ω
+
L
–
+
R
–
8 2 9 9
TM401
SPEAKER
IMPEDANCE
USE 8 – 16Ω
+
L
–
+
R
–
J701
PHONES
RY401
RELAY
DRIVE
Q431