Sony HCD-V919AV / MHC-V919AV Service Manual ▷ View online
– 93 –
– MAIN Board –
IC201
IC201
LV1041M
12
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
19
17
18
20
21
32
31
30
29
28
27
26
25
24
23
22
33
44
43
42
41
40
39
38
37
36
35
34
73
74
75
76
77
78
79
80
72
65
66
67
68
69
70
71
52
51
50
49
48
47
46
45
53
54
55
56
57
58
59
60
61
62
63
64
STRIM
OSC
VOL
VOL
VCA
VCA
P
B
P
B
VCA
VCA
VCA
VCA
VCA
VCA
IEV
NOISE
GEN
NOISE
FILTER
BPF
CONTROL
CH
CONTROL
BPF
V REF
STRIM
S
MODE
RECT
RECT
DC
CUT
B NR
OUT
FILTER
DATA
DECODER
VOL/
MUTE
BPF
RECT
LOGIC
FF
LOGIC
FF
RECT
C MODE
LOGIC
LOGIC
MASTER
VOL
NF
SW
S
S
S
P
P
B
B
B
B
P
B
C
D
R
L
C
S
L
R
P
P
P
B
P
B
P
B
P
B
P
B
S
MASTER VOL
VDD
PCM
PCM
CONTROL
SRAM
IN
FILTER
R
L
C
S
R
P
B
P
B
P
B
P
B
L
L
R
L
R
R BPF2
R BPF1
S DC OUT
C DC OUT
R DC OUT
L DC OUT
V REF
VCC
C OUT
S OUT
R OUT
L OUT
GND
L IN
R IN
S IN
DELAY OUT
C VOL IN
DET
IREF
R OUT
R NF
L NF
L OUT
L BPF2
L BPF1
RT IN
LT IN
DC CUT
C MODE
GND
NS BPF1
NS BPF1
OSC
NS BPF2
ENABLE
DATA
CLK
DATA
CLK
ENABLE2
VSS
OSC
OSC
VDD
A/D
NS
D/A
DC CUT
VCC
C VOL OUT
C OP IN
GND
C OP NF
C OP OUT
VOL REF
S OP OUT
S OP NF
S OP IN
S VOL OUT
L RECT
DC CUT4
R RECT
DC CUT3
L BPF3
VLR TH
VLR 1
VLR 2
VCS 2
VCS 1
VCS TH
L+R RECT
DC CUT2
L-R RECT
DC CUT1
R DET3
OP VREF
S VOL IN
S OUT
DC CUT
– 94 –
•
MAIN BOARD IC501
µ
PD780016AYGF-014-3BA (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Function
1
LINE-MUTE
O
Line muting on/off control signal output terminal “L”: muting on
2
DBFB-H/L
O
DBFB normal/high selection signal output to the M62442FP (IC101)
“L”: DBFB high, “H”: DBFB low
“L”: DBFB high, “H”: DBFB low
3
M62442-LATCH
O
Serial data latch pulse output to the M62442FP (IC101)
4
KEYCON-LATCH
O
Serial data latch pulse output terminal Not used (open)
5
POWER
O
Power on/off control signal output for the audio system (+5V) and deck, panel, audio system
(+7V) “L”: power on, “H”: standby
(+7V) “L”: power on, “H”: standby
6
F-RELAY
O
Relay drive signal output for the front speaker protect “H”: on
7
R-RELAY
O
Relay drive signal output for the speaker protect “H”: on Not used (open)
8
PL-RELAY
O
Relay drive signal output for the rear and center speaker protect “H”: on
9
VSS
—
Ground terminal
10
X2
O
Main system clock output terminal (5 MHz)
11
X1
I
Main system clock input terminal (5 MHz)
12
VDD
—
Power supply terminal (+5V)
13
XT2
O
Sub system clock output terminal (32.768 kHz)
14
XT1
I
Sub system clock input terminal (32.768 kHz)
15
RESET
I
System reset signal input from the reset signal generator (IC951) “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
16
AC-CUT
I
AC off detection signal input from the reset signal generator (IC951)
17
CAPM-CNT1P
O
Capstan motor (M1) drive signal output terminal
18
SCOR
I
Subcode sync (S0+S1) detection signal input terminal Not used (fixed at “L”)
19
SOFT-TEST
O
Output terminal for the software test (open)
20
NCO
O
Not used (open)
21
RDS-INT
I
Serial data reading clock signal input terminal Not used (fixed at “L”)
22
RDS-DATA
I
Serial data input terminal Not used (fixed at “L”)
23
AVDD
—
Power supply terminal (+5V) (for A/D conversion)
24
AVREF
I
Reference voltage (+5V) input terminal (for A/D conversion)
25
ADJ
I
Setting terminal for the CD test mode Normally: fixed at “H”
26
A-SHUT
I
Shut off detection signal input from the deck-A side reel pulse detector (IC1001)
27
B-SHUT
I
Shut off detection signal input from the deck-B side reel pulse detector (IC1002)
28
B-HALF
I
Detection input from the deck-B half detect switch (S1006)
29
CLK-CHECK
I
Not used (fixed at “L”)
30
SPEC-IN
I
Setting terminal for the version
31
AMS-IN
I
Automatic music sensor detection signal input from the HA12215F (IC301)
32
DEMO-CHANGE
I
Setting terminal for the demonstration H/L Fixed at “L”
33
AVSS
—
Ground terminal (for A/D conversion)
34
SQ-DATA-IN
I
Sub-code Q data input terminal Not used (fixed at “L”)
35
NCO
O
Not used (open)
36
SQ-CLK
O
Sub-code Q data reading clock signal output terminal Not used (open)
37
SUR-ON/OFF
O
Not used (open)
38
FB. CONT-A
O
Not used (open)
39
FB. CONT-B
I
Not used (fixed at “L”)
40
VSS
—
Ground terminal
41
PL-VOL
O
Serial data latch pulse output to the LV1041M (IC201)
42
PL-LAT
O
Serial data latch pulse output to the LV1041M (IC201)
43
COM-DIN
I
Serial data input terminal Not used (fixed at “L”)
44
COM-DOUT
O
Serial data output terminal Not used (open)
7-36.
IC PIN FUNCTION DESCRIPTION
– 95 –
Pin No.
Pin Name
I/O
Function
45
COM-CLK
O
Serial data transfer clock signal output terminal Not used (open)
46
CD-POWER
O
Power on/off control signal output for the CD and video CD section
“H”: power on, “L”: standby
“H”: power on, “L”: standby
47
CD-DATA
O
Serial data output terminal Not used (open)
48
CD-CLK
O
Serial data transfer clock signal output terminal Not used (open)
49
PL-CLK
O
Serial data transfer clock signal output to the LV1041M (IC201)
50
PL-DATA
O
Serial data output to the LV1041M (IC201)
51
M62442-CLK
O
Serial data transfer clock signal output to the M62442FP (IC101)
52
M62442-DATA
O
Serial data output to the M62442FP (IC101)
53
LEVEL-CONT-A
O
Level control signal output terminal Not used (open)
54
LEVEL-CONT-B
O
Level control signal output terminal Not used (open)
55
IIC-DATA
I/O
Communication data bus with the CD mechanism controller (IC502), fluorescent indicator tube
driver (IC601) and CSV control (IC801)
driver (IC601) and CSV control (IC801)
56
IIC-CLK
I/O
Communication data reading clock signal input or transfer clock signal output with the CD
mechanism controller (IC502), fluorescent indicator tube driver (IC601) and CSV control (IC801)
mechanism controller (IC502), fluorescent indicator tube driver (IC601) and CSV control (IC801)
57
XRST
O
Reset signal output to the CD mechanism controller (IC502) “L”: reset
58
XLT
O
Serial data latch pulse output terminal Not used (open)
59
FOCUS-SW
O
Focus control signal output terminal Not used (open)
60
TBL-L
O
Motor drive signal output to the disc tray turn motor driver (IC701) *1
61
TBL-R
O
Motor drive signal output to the disc tray turn motor driver (IC701) *1
62
NCO
O
Not used (open)
63
LOAD-OUT
O
Motor drive signal output to the disc tray slide motor driver (IC801) *2
64
LOAD-IN
O
Motor drive signal output to the disc tray slide motor driver (IC801) *2
65
ST-CLK
O
PLL serial data transfer clock signal output to the FM/AM tuner unit
66
ST-DIN
I
PLL serial data input from the FM/AM tuner unit
67
ST-DOUT
O
PLL serial data output to the FM/AM tuner unit
68
ST-CE
O
PLL chip enable signal output to the FM/AM tuner unit
69
TUNED
I
Tuning detection signal input from the FM/AM tuner unit “L”: tuned
70
STEREO
I
FM stereo detection signal input from the FM/AM tuner unit “L”: stereo
71
VSS
—
Ground terminal
72
ST-MUTE
O
Tuner muting control signal output to the FM/AM tuner unit “L”: muting on
73
SENS2
I
Internal status (SENSE) signal input terminal Not used (fixed at “L”)
74
SENS
I
Internal status (SENSE) signal input terminal Not used (fixed at “L”)
75
DISC-SENS
I
Disc status detection signal input from the disc sensor (IC703)
76
TBL-SENS
I
Disc tray status detection signal input from the disc tray sensor (IC702)
77
CAPM-CNT2P
O
Capstan motor (M1) drive signal output terminal
*1 Disc tray turn motor (M701) control
TBL-L (pin ^º)
“H”
“L”
“H”
“L”
TBL-R (pin ^¡)
“H”
“H”
“L”
“L”
Terminal
STOP
COUNTER-
CLOCKWISE
CLOCKWISE
BRAKE
Mode
*2 Disc tray slide motor (M801) control
LOAD-OUT (pin ^£)
“H”
“H”
“L”
“L”
LOAD-IN (pin ^¢)
“H”
“L”
“H”
“L”
Terminal
STOP
TABLE IN
TABLE OUT
BRAKE
Mode
– 96 –
Pin No.
Pin Name
I/O
Function
78
ENC3
I
79
ENC2
I
Detection signal input from the disc tray address detect rotary encoder (S811)
80
ENC1
I
81
OUT-OPEN
I
Detection signal input from the disc tray open/close detect switch (S801)
“L”: open, “H”: close
“L”: open, “H”: close
82
CAP-M-H/L
O
High/normal speed selection signal output of the capstan motor (M1)
“L”: high speed, “H”: normal speed
“L”: high speed, “H”: normal speed
83
B-TRG
O
Deck-B side trigger plunger (SL2) drive signal output terminal
84
A-TRG
O
Deck-A side trigger plunger (SL1) drive signal output terminal
85
CAPM-CNT1M
O
Capstan motor (M1) drive signal output terminal
86
CAPM-CNT2M
O
Capstan motor (M1) drive signal output terminal
87
TC-MUTE
O
Line muting on/off selection signal output to the HA12215F (IC301)
“L”: muting off, “H”: muting on
“L”: muting off, “H”: muting on
88
R/P-PASS
O
Recording/playback/pass selection signal output to the HA12215F (IC301)
“L”: recording mode
“L”: recording mode
89
NR-ON/OFF
O
Dolby NR on/off selection signal output to the HA12215F (IC301)
“L”: dolby off, “H”: dolby on
“L”: dolby off, “H”: dolby on
90
REC-MUTE
O
Recording muting on/off selection signal output to the HA12215F (IC301)
“L”: muting on, “H”: muting off
“L”: muting on, “H”: muting off
91
CLK-OUT
O
Clock output for the check Not used (open)
92
BIAS
O
Recording bias on/off selection signal output to the HA12215F (IC301)
“L”: bias off, “H”: bias on
“L”: bias off, “H”: bias on
93
EQ-H/N
O
Normal/high speed selection signal output to the HA12215F (IC301)
“L”: normal speed, “H”: high speed
“L”: normal speed, “H”: high speed
94
PB-A/B
O
Deck-A/B selection signal output to the HA12215F (IC301) “L”: deck-A, “H”: deck-B
95
A-PLAY-SW
I
Detection input from the deck- A play detect switch (S1001) “H”: deck-A play
96
B-PLAY-SW
I
Detection input from the deck- B play detect switch (S1002) “H”: deck-B play
97
TC-RELAY
O
Recording/playback select signal output to the REC/PB switch (IC602)
“L”: playback, “H”: recording
“L”: playback, “H”: recording
98
A-HALF
I
Detection input from the deck-A cassette detect switch (S1003)
“L”: cassette in, “H”: no cassette
“L”: cassette in, “H”: no cassette
99
ALC-ON/OFF
O
Automatic limiter control signal output to the HA12215F (IC301) “L”: limiter on
100
STK-MUTE
O
Power amplifier on/off selection signal output terminal “L”: on, “H”: standby
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