Block Diagram - Main Section - Sony HCD-LV60 Service Manual

7-4. BLOCK DIAGRAM – MAIN Section –
DIGITAL ECHO
IC851
J802
MIC AMP
MIC 2
IC850 (1/2)
J801
MIC 1
GRAPHIC EQUALIZER CONTROL,
CD-L
E
(Page 17)
IN D2
66
PB-L
IN C2
(Page 18) G 67
IN E2
65
IN A2
69
IN F2
64
IN B2
J701 (1/2)
68
L
MD IN
R R-CH
PHONO
L EQ AMP
PHONO
IC601
IN
R R-CH
L
VIDEO1
AUDIO IN
FUNCTION SELECT
R R-CH
SWITCH
IC181
X501
J804 (2/2)
X0 32.768kHz
12
X
13
X1
L
14
VIDEO2
INPUT
AUDIO
R
R-CH A B
X502
10 9
16MHz
A B C
A, B, C
(Page 17) F
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
RESET
(Page 20) J
05
RV750
ECHO
LEVEL
MIC AMP
IC850 (2/2)
RV751
MIC LEVEL
2
LekSound.net
INPUT SELECT SWITCH,
+
ELECTRICAL VOLUME
IC101
+
INPUT
SELECT
SWITCH
SOUND
CONTROL
+
CIRCUIT
R-CH
KEY OUT 1
KEY OUT 2
60 5
LekSound.net
493-DATA 47
493-CLK 48
11 XC-OUT
493-LAT 38
D501
10 XC-IN DBFB-H/L 7
D534
SW MODE 34
13 X-OUT
15 X-IN
SYSTEM CONTROLLER
D807
LekSound.net PROTECT
IC501 (3/4) MUTING
SWITCH
Q113
Q804
46 FUNC SEL0
45 FUNC SEL1
R-CH
28 V MUTE
1
STK-POWER
HP MUTE 93
MUTING CONTROL
SWITCH
Q802, 803
LINE-MUTE 6
AC-CUT 22
RESET
RESET 12 SWITCH
49 ST-MUTE
Q801
50 STEREO
51 TUNED PROTECT 27
53 ST-DOUT
F-RELAY 3
54 ST-DIN
55 ST-CLK
52 ST-CE HP-IN 36
+
R-CH
58 57
+
VOL
GRAPHIC
F OUT2 IN2
EQUALIZER VOLUME
42 41
CONTROL CONTROL
CIRCUIT
CPU
COMMAND
R-CH
INTERFACE
L+R
30
33 32
6
59
POWER AMP
IC801
TH831
STANDBY SWITCH
TEMPERATURE
Q803, 804, 834
DETECT SWITCH
Q831, 832
+5V
D401
OVER LOAD
RESET SIGNAL
DETECT
GENERATOR
R-CH
Q801, 851
IC801
DETECT SWITCH
DC DETECT
+
SWITCH
Q433, 434
R-CH
PROTECT SWITCH
19 19
SUPER
WOOFER
72
BUF
BASS BOOST OUT2
CONTROL 36
CIRCUIT
34 38, 39 37
FEED BACK
R-CH
SWITCH
Q112
D803
+
DBFB CONTROL
SWITCH
Q111
R-CH
BASS WOOFER
R-CH
CONTROL SWITCH
Q115
R-CH
R-CH
R-CH
HEADPHONE
MUTE
Q805, 855
MUTING CONTROL
SWITCH
Q833
RY401
OVER LOAD OVER LOAD SPEAKER PROTECT
DETECT SWITCH RELAY DRIVE
Q437
Q432 Q431
Q439
SPEAKER PROTECT
RELAY DRIVE
Q401, 402
HCD-LV60
REC-L
H (Page 18)
SPEANA
I
(Page 20)
L
MD OUT
R-CH R
J702 (2/2)
M901
(FAN)
FAN MOTOR
M
DRIVE
Q961, 962
TM401
SPEAKER
IMPEDANCE
USE 8 – 16Ω
–1
+
L
–
–2
+
R
–
J803
PHONES