Sony HCD-DR7AV / HCD-XB800AV / LBT-DR7AVS Service Manual ▷ View online
– 103 –
IC191 BA7615N
• PANEL FL section
IC603 BA3830F
• PANEL VR section
IC851 M65850P
7-39. IC BLOCK DIAGRAMS
• MAIN (1/5) 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
OSCILLATOR
1/2 VCC
AUTO
RESET
LPF1
MAIN
CONTROL
A/D
20KBIT
SRAM
LPF2
D/A
1
2
3
4
5
6
7
8
9
10
14
13
12
11
CLOCK
RESET
MO
MI
D1
DO0
DO1
VCC
CLOCK
REF
OP2IN
OP2OUT
LPF2IN
LPF2OUT
LPF1IN
LPF1OUT
OP1OUT
OP1IN
CC1
CC2
GND
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
IC604 NJU3716L
– 104 –
7-40. IC PIN FUNCTIONS
• IC501 MAIN CONTROL (M30622MA-A08FP) (MAIN board)
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)
– 105 –
Pin No.
Pin Name
I/O
Function
50
STEREO
I
Stereo detection for tuner
51
TUNED
I
Tuned detection for tuner
52
ST-CE
O
Tuner chip enable output
53
ST-DOUT
O
Tuner data output
54
ST-DIN
I
Tuner data input
55
ST-CLK
O
Tuner clock output
56
SENS
I
BD Condition signal input
57
HOLD
O
MODE signal output
58
XLT
O
CD latch signal output
59
XRST
O
CD reset signal output
60
DISC-SENS
I
Slit sensor of disc table input (Connected to ground)
61
T-SENS
I
CD table detection signal input
62
VDD
–
Power supply (+5V)
63
TBL-L
O
Table motor control output
64
VSS
I
Ground
65
TBL-R
O
Table motor control output
66
LOAD-OUT
O
Loading motor control signal output (Not used)
67
LOAD-IN
O
68
ENC 3/UP-SW
I
Disc tray address detect encoder input
69
ENC 2/DISC-LED
I
70
ENC 1
I
(Connected to ground)
71
OUT-OPEN
O
(Connected to ground) Loading out detection signal output
72
B-TRG
O
B deck trigger motor control output
73
A-TRG
O
A deck trigger motor control output
74
CAP-M-COT2
O
Capstan motor REW/FWD/STOP signal output
75
CAP-M-COT1
O
Capstan motor REW/FWD/STOP signal output
76
CAP-M-H/L
O
Capstan motor High/Low speed select signal output
77
AMS-IN
I
AMS signal input
78
TC-MUTE
O
TC line mute ON/OFF selection output
79
R/PB/PAS
O
REC/PB/PASS selection output
80
NR-ON/OFF
O
DOLBY NR ON/OFF signal output
81
REC-MUTE
O
REC mute ON/OFF selection output
82
BIAS
O
Bias ON/OFF signal output
83
EQ-H/N
O
Equalizer High/Normal select output
84
PB-A/B
O
PB A deck/B deck select output
85
ALC
O
ALC ON/OFF output signal
86
B-PLAY-SW
I
B deck play detect
87
A-PLAY-SW
I
A deck play detect
88
A-HALF
I
A Deck half detector signal input
89
B-HALF
I
B Deck half detector signal input
90
B-SHUT
I
B Deck reel pulse detector
91
A-SHUT
I
A Deck reel pulse detector
92
SOFT-TEST
O
Software test port (Not used)
93
HP-MUTE
O
Head phone mute signal output
94
KEY/CD-ADJ
I
KEY (use the jig)/CD adjust point port
95
MODEL IN
I
MODEL input
96
AVSS
–
Analog ground
97
SPEC-IN
I
Specifications input
98
VREF
I
Analog reference voltage input
99
AVCC
–
Analog power supply (+5V)
100
TC-RELAY
O
REC/PB head selection output for IC602
– 106 –
• IC601 DISPLAY CONTROL (TMP88CS76F-6004/TMP88CS76F-6000) (PANEL FL board)
Pin No.
Pin Name
I/O
Function
1
SIRCS
I
Remote commander signal input
2
JOG A
I
Rotary encoder (S702) pulse input
3
LED SCK
O
LED clock signal output
4
LED LATCH
O
LED latch signal output
5
LED DAT
O
LED serial data output
6
LED POWER
–
Not used
7
LED SEL
O
LED select signal output
8
JOG B
I
Rotary encoder (S702) pulse input
9
VOLUME A
I
10
VOLUME B
I
11 to 15
KEY 0 to KEY 4
I
Key input
16 to 20
BPF 0 to BPF 4
I
Rec level signal input
21
ALL BAND
O
Rec level signal output for auto DBDF
22
WAKE UP
O
Gradation right/WAKE UP signal output
23
Vss
–
24
VAss
–
25
VAref
I
Analog reference voltage input
26
VDD
–
Power supply (+5V)
27 to 40
GR 3 to GR 16
O
FL gride signal output
41
VDD VFT
–
Power supply (+5V) for VFT
42, 43
GR 1, GR 2
O
FL gride signal output
44
SEG 0
O
FL segment signal output (Not used)
45 to 67
SEG 1 to SEG 23
O
FL segment signal output
68
Vkk
–
Power supply (-25V) for FL segment signal output
69
Vdd
–
Power supply (+5V)
70
X in
I
X’tal (12.5MHz)
71
Vss
–
Ground
72
X out
O
X’tal (12.5MHz)
73
RESET
I
Reset signal input from main controller
74
DAILY LED
O
75
REC LED
O
76
TEST
I
Connected ground
77
LED-ECO
O
LED driver output
78
I
2
C DATA
I
I
2
C SDA input from master controller
79
I
2
C CLK
I
I
2
C SCL input from master controller
80
D-SW
I
Door switch signal input
Rotary encoder (S701) pulse input
Ground
LED driver output
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