Ic Block Diagrams; Ic Pin Functions - Sony LBT-DR5 Service Manual

HCD-DR4/DR5/DR6/DR440/W300/W5000/XB500

7-37. IC BLOCK DIAGRAMS

• MAIN (1/2) section
IC181 MC14052BF
2X0 1 16 VDD
15 X2
2X2 2
14 X1
2XCOM 3
13 XCOM
2X3 4
12 X0
2X1 5
INH 6 11 X3
VEE 7
10 A
VSS 8 9 B
IC191 BA7615N
MUTE
8db 75Ω
LOGIC
1 2 3 4 5 6 7 8 9 10
• PANEL VR section
IC851 M65850P
14 13 12 11 10 9 8
OSCILLATOR
D/A LPF2
1/2 VCC
CLOCK DO1
MO
AUTO MAIN 20KBIT
RESET
RESET CONTROL SRAM
MI
D1 DO0
A/D
LPF1
1 2 3 4 5 6 7
• PANEL FL section
IC603 BA3830F
R02 REFFERENCE
1 RESET 18 RESET
CURRENT
REFFERENCE
P01
2 17 f01
CURRENT
LINE BPF DET
3 16 f02
NF
BPF DET
LINE
4 15 f03
IN
BPF DET
REC 5 DET 14
BPF
NF
DET
BPF
REC 6 13 f05
IN
DET
BPF
RESET 7 12 f06
DET
C
BIAS 8 11 REC
Bias
C
GND1 9 10 VCC
IC604 NJU3716L
DATA 13
CLK 14
VDD 24
STB 15
CONTROL
CLR 16
– 101 –

7-38. IC PIN FUNCTIONS

• IC501 MAIN CONTROL (M306622 MA-A01FP)
Pin Name
Pin No.
1 POWER
2 POWER
3 F-RELAY
4 REAR-RELAY
5 CD-POWER
6 LINE-MUTE
7 DBFB-H/L
8 –
9 –
10 XC-IN
11 XC-OUT
f04
12 RESET
13 X-OUT
14 VSS
15 X-IN
16 VDD
17 NMI
18 WAKE UP
LEVEL
19 SCOR
20 RDS-INT
21 RDS-DATA
22 AC-CUT
23 PL-CLK
24 PL-DATA
25 PL-LAT
17 P1
26 TIMER LED
19 P2
27 PROTECT
20 P3
28 V MUTE
21 P4
29 IIC-CLK
22 P5
30 IIC-DATA
23 P6
31 –
1 P7
32 SQ-DATA
2 P8
33 SQ-CLK
3 P9
34 SW-MODE
P10
4
35 CD-DATA
5 P11
36 H/P IN
7
P12
37 CD-CLK
8 P13
38 493-LAT
9 P14
39 CLOCK-OUT
10 P15
40 NO-USE
11 P16
41 NO-USE
42 FL OFF
12 SO
43 STBY RELAY
6 GND
44 BASS FREQ
18
GND
45 FUNC SEL 1
46 FUNC SEL 0
47 493-DATA
48 493-CLK
49 ST-MUTE
I/O Function
O Power amp ON/OFF signal output
O Power ON/OFF signal output
O Front speaker relay control output
O Rear speaker relay control output (Not used)
O CD power on signal output
O Line mute signal output
O DBFB H/L select signal output
– Connected to ground
– Connected to ground
I
X'tal (32.768 KHz) (SUB CLOCK)
O
I System reset signal input
O X'tal (16MHz) (MAIN SYSTEM CLOCK)
– Ground
I X'tal (16MHz) (MAIN SYSTEM CLOCK)
– Power supply (+5V)
I Not used
I WAKE UP signal input
I CD Q-data request signal input
I RDS data interrupt input
I RDS data interrupt input
I AC cut ON (L)/OFF (H) check
O Clock output to pro-logic (Not used)
O Data output to pro-logic (Not used)
O Latch signal output to pro-logic (Not used)
O Not used
I Speaker protect signal input
O Video mute signal output
O I 2 C SCL
O I 2 C SDA
– Not used
I Subcode Q data clock input (CD data)
I Subcode Q data clock input (CD data clock)
O SW-MODE music/movie select signal output
O CD data output
I Head phone detect
O CD clock output
O Latch signal output for IC101 (M62493FP)
O Clock out signal check
– Not used
– Not used
O Fluorescent indicator tube filament on/off signal output
O Main POWER on/off signal output
O FREQ high/low signal output (Not used)
O Function select signal output
O Function select signal output
O Data signal output for IC101 (M62493FP)
O Clock signal output for IC101 (M62493FP)
O Tuner mute signal output
– 102 –