Sony LBT-LX7, Руководство по обслуживанию

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HCD-LX7/LX8
50 50
IC191 BA7615N
• PANEL FL section
IC603 BA3830F
• PANEL VR section
IC701 NJU3716L
6-29. IC BLOCK DIAGRAMS
• MAIN (1/3) section
IC181 MC14052BF
2 1 3 4 6 5 9 10
CTLC
VOUT
7 8
MUTE
LOGIC
CTLC
IN3
VCC
IN4 IN1
CTLA CTLB
IN2
75
Ω
8db
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
2X0
X2
VDD
X1
XCOM
X0
X3
A
B VSS
VEE
INH
2X1
2X3
2XCOM
2X2
13 DATA
CLK
STB
CLR
VDD
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P15
GND
GND
18
6
SO
P16
10
12
11
P13
P14
14
15
16
24
17
19
20
21
22
23
1
2
3
4
5
7
8
9
CONTROL
LATCH
SHIFT REGISTER
2
3
14
1
f04
13 f05
12 f06
11 REC
LEVEL
10 VCC
15 f03
5 REC
NF
6 REC
IN
7 RESET
C
8 BIAS
C
9 GND1
4
16 f02
17 f01
18 RESET
R02
P01
LINE
NF
LINE
IN
REFFERENCE
CURRENT
BPF
DET
BPF DET
BPF DET
BPF DET
DET
RESET
Bias
REFFERENCE
CURRENT
DET
DET
BPF
BPF
6-30. IC PIN FUNCTIONS
• MAIN BOARD IC501 MAIN CONTROL (M306622 MA-A26FP)
Pin No.
Pin Name I/O Function
1 POWER O Power amp ON/OFF signal output
2 POWER O Power ON/OFF signal output
3 F-RELAY O Front speaker relay control output
4 REAR-RELAY O Rear speaker relay control output (Not used)
5 CD-POWER O CD power on signal output
6 LINE-MUTE O Line mute signal output
7 DBFB-H/L O DBFB H/L select signal output
8 – – Connected to ground
9 – – Connected to ground
10 XC-IN I
11 XC-OUT O
12 RESET I System reset signal input
13 X-OUT O X’tal (16MHz) (MAIN SYSTEM CLOCK)
14 VSS – Ground
15 X-IN I X’tal (16MHz) (MAIN SYSTEM CLOCK)
16 VDD – Power supply (+5V)
17 NMI I Not used
18 WAKE UP I WAKE UP signal input
19 SCOR I CD Q-data request signal input
20 RDS-INT I RDS data interrupt input
21 RDS-DATA I RDS data interrupt input
22 AC-CUT I AC cut ON (L)/OFF (H) check
23 PL-CLK O Clock output to pro-logic (Not used)
24 PL-DATA O Data output to pro-logic (Not used)
25 PL-LAT O Latch signal output to pro-logic (Not used)
26 TIMER LED O Not used
27 PROTECT I Speaker protect signal input
28 V MUTE O Video mute signal output
29 IIC-CLK O I
2
C SCL
30 IIC-DATA O I
2
C SDA
31 – – Not used
32 SQ-DATA I Subcode Q data clock input (CD data)
33 SQ-CLK I Subcode Q data clock input (CD data clock)
34 SW-MODE O SW-MODE music/movie select signal output
35 CD-DATA O CD data output
36 H/P IN I Head phone detect
37 CD-CLK O CD clock output
38 493-LAT O Latch signal output for IC101 (M62493FP)
39 CLOCK-OUT O Clock out signal check
40 NO-USE – Not used
41 NO-USE – Not used
42 FL OFF O Fluorescent indicator tube filament on/off signal output
43 STBY RELAY O Main POWER on/off signal output
44 BASS FREQ O FREQ high/low signal output (Not used)
45 FUNC SEL 1 O Function select signal output
46 FUNC SEL 0 O Function select signal output
47 493-DATA O Data signal output for IC101 (M62493FP)
48 493-CLK O Clock signal output for IC101 (M62493FP)
49 ST-MUTE O Tuner mute signal output
X’tal (32.768 KHz) (SUB CLOCK)