Sony LBT-LX7, Service Manual

Page: 22 / 81

HCD-LX7/LX8
21 21
– MAIN (2/2) SECTION –
MAIN CONTROL
IC501 (2/2)
1
27
93
42
43
18
29
30
81
80
84
82
83
86
85
87
88
90
89
100
91
1
27
93
42
43
STK-POWER
PROTECT
FL OFF
STBY RELAY
HP MUTE
18
29
30
WAKE UP
IIC-CLK
IIC-DATA
93
43
42
1
27
29
30
18
POWER
ECO
STK POWER
PROTECT
HP MUTE
DATA
CLOCK
WAKE UP
IC933
M+7V (UNSW)
PL A+10V
7V
ST +10V
TC MOTOR+12V
FAN
1 3
1 3
+10V
REG
+12V
REG
IC931
IC932
FAN SWITCH
Q961, 963
+UNREG, 17V
M901
2
Q931
SWITCH
Q932
SWITCH
+7V
REG
1 3
ST A-7V 2 3
–7V
REG
IC951
UN–12V
Q903
SWITCH
Q904
SWITCH
1 3
+7V
REG
IC901
UN+12V
2
Q911
SWITCH
Q912
SWITCH
DETECTOR
Q905
TC–7V
–7V
LED-7V
ST A+7V
TC+7V
+7
LED+7V
(LED+7V)
1 3
+5V
REG
IC911
LED 5V
RDS D+5V UNSW
D+5V UNSW
2
Q911
SWITCH
Q912
SWITCH
5V
AU D+5V
Q913
SWITCH
D+5V (SW)
A+5V (SW)
EVER +5V
(CD D+5V SW)
(CD A+5V SW)
(D+5V SW)
5
Q914
SWITCH
POWER
SECTION
POWER
SECTION
I
DISPLAY
SECTION
J
72
69
75
73
74
77
76
78
79
57
56
58
59
63
61
65
68
19
33
32
35
37
20
50
21
49
52
51
53
54
55
BIAS
REC-MUTE
ALC
EQ-H/N
PB-A/B
A-PLAY-SW
B-PLAY-SW
A-HALF
B-HALF
A-SHUT
B-SHUT
TC-RELAY
A-TRG
B-TRG
CAP-M-H/L
CAPM-CNT 2
CAPM-CNT 1
TC-MUTE
AMS IN
R/PB/PAS
NR-ON/OFF
HOLD
SENS
DISC-SENS
XLT
XRST
TBL-R
TBL-L
ENC 3/UP-SW
ENC 2/DISC-LED
SCOR
SQ-CLK
SQ-DATA
CD-DATA
CD-CLK
RDS-INT
STEREO
RDS-DATA
ST-MUTE
ST-CE
TUNED
ST-DOUT
ST-DIN
ST-CLK
36 H/P IN
5 CD-POWER
2 POWER
10 XC-IN
11 XC-OUT
13 X-OUT
15 X-IN
BIAS ON/OFF
RM ON/OFF
ALC ON/OFF
NORM/HIGH
PB A/B
A PLAY
B PLAY
A-HALF
B-HALF/REC A/REC B
A SHUT
B SHUT
RELAY
A TRG
B TRG
CAP-M-H/L
CAPM-CNT 2
CAPM-CNT 1
LM ON/OFF
MS OUT
REC/PB/PASS
NR ON/OFF
HOLD
SENS
TRAY.SENS
XLT
X-RST
TBL.R
TBL.L
UP SW
LED
SCOR
SQCK
SQSO
DATA
CLOK
RDS-INT
STEREO
RDS-DATA
ST-MUTE
ST-CE
TUNED
ST-DOUT
ST-DIN
ST-CLK
FAN DET
HP.SW
POWER
SECTION
H
BD (CD)
SECTION
A
DECK
SECTION
B
X501
32.768kHz
X502
16MHz
LX7
L
09
(Page 22,
23)
(Page 18)
(Page 19)
(Page 22, 23)
(Page 24)
(Page 22, 23)
FM/AM TUNER
TUNER UNIT IS
SUPPLED AS THE
ASSEMBLED
BLOCK
• R CH : Same as L ch
Q902
SWITCH