Main (1/2) Section - Sony LBT-LX7 Service Manual

HCD-LX7/LX8
– MAIN (1/2) SECTION –
J804
VIDEO 2
6 IN3
IN
J702
VIDEO
1 IN1
IN
A
2
J701
PHONO
(L IN)
FM/AM TUNER
TUNER UNIT IS
ST-L
SUPPLED AS THE
ASSEMBLED
BLOCK
DECK
B
SECTION
TC PB L
(Page 19)
CD
A D OUT
SECTION
(Page 18)
CD-L
J701
MD (L IN)
POWER C
MIC-SIG
SECTION
IC181 SELECTOR
(Page 22,
J701
V1, AU
23)
12 X0
(L IN)
J804
V2, AU,
14 X1
L-CH IN
IC781
OPTICAL
A
TRANSMITTING
10
CD
D OUT
DIGITAL
OUT
LX7/LX8:MX ONLY
J705
CD
(LIN)
J805
CD
(L OUT)
• R CH: Same as L ch
• SIGNAL PATH
: FM
: CD
: PB
: REC
: VIDEO/MD
: Digital out
09
IC191
AV SWITCH
VD OUT 10
IC101
B C SOUND PROCESSOR 1
3 5
IC601 L+R 30
46 45 28 PHONO AMP
3 1
69 IN A2 REC B2 57
68 IN B2 BUS OUT2 36
REC A2 58
67 IN C2 BBA2 39
EXCEPT
LX7/LX8:MX
JW704
66 IN D2
BBB2 38
65
IN E2
2 MIC IN
BUF IN2
37
X 13 64 IN F2
LATCH DATA CLOCK
34 33 32
B
9
46 45
38 47 48
TC REC L
MUTE
SWITCH
Q113
SWITCH
Q112
SWITCH
Q111
7
SWITCH
Q115
34
MAIN CONTROL
IC501 (1/2)
DBFB-H/L 7
V-MUTE 28
SW-MODE 34
493-LAT 38
FUNC-SEL1 45
FUNC-SEL0 46
493-DATA 47
MUTE
SWITCH 6 LINE-MUTE 493-MUTE 48
Q803
MUTE
3 F-RELAY AC-CUT 22
SWITCH
RESET
Q804
D807
12
RESET
SWITCH
Q801
RESET
SWITCH
Q802
D805
RESET
+5v
IC801
20 20
J702
VIDEO
OUT
DISPLAY
D
SECTION
SPEANA
(Page 24)
J701
MD OUT
E POWER
L-CH SIG
SECTION
(Page 22, 23)
DECK
B
SECTION
TC REC L
(Page 19)
7
28
34
38
45
46
47
48
DISPLAY
F
SECTION
RESET
(Page 24)
POWER
DBFB G
SECTION
F-RELAY
(Page 22, 23)