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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
Summary of Contents for LBT-LX7
Page 32: ...HCD LX7 LX8 31 31 6 8 SCHEMATIC DIAGRAM MAIN 3 3 SECTION See page 28 for Printed Wiring Board ...
Page 33: ...HCD LX7 LX8 32 32 6 9 SCHEMATIC DIAGRAM DECK SECTION Page 30 ...
Page 35: ...HCD LX7 LX8 34 34 6 11 SCHEMATIC DIAGRAM POWER SECTION ...
Page 39: ...HCD LX7 LX8 38 38 6 15 SCHEMATIC DIAGRAM PANEL VR SECTION See page 50 for IC Block Diagrams ...
Page 41: ...HCD LX7 LX8 40 40 6 17 SCHEMATIC DIAGRAM TC PANEL SECTION ...
Page 43: ...HCD LX7 LX8 42 42 6 19 SCHEMATIC DIAGRAM CD PANEL SECTION ...
Page 45: ...HCD LX7 LX8 44 44 6 21 SCHEMATIC DIAGRAM CD MOTOR SECTION Page 30 ...
Page 47: ...HCD LX7 LX8 46 46 6 23 SCHEMATIC DIAGRAM TRANS SECTION LX7 model ...
Page 49: ...HCD LX7 LX8 48 48 6 25 SCHEMATIC DIAGRAM TRANS SECTION LX8 model ...