Sony HCD-VP1 Service Manual ▷ View online
33
IC702
BA6392FP-E2
BUFF
BUFF
BUFF
BUFF
R
R
F
F
1
CH1 OUT F
2
CH1 OUT R
3
CAPA IN 1
4
CH1 R IN
5
CH1 F IN
6
VREF IN
7
VREF OUT
8
GND
9
CH2 F IN
10
CH2 R IN
11
CAPA IN 2
12
CH2 OUT R
13
CH2 OUT F
14
GND
28 GND
27 CH4 OUT F
26 CH4 OUT R
25 VB IN
24 VS IN
23 VB IN
22 VCC
21 VCC
20 CH3 F IN
19 CH3 R IN
18 CAPA IN 3
17 CH3 OUT R
16 CH3 OUT F
15 MUTE
LEVEL
SHIFT
INTERFACE
BUFF
BUFF
BUFF
BUFF
R
F
R
F
BUFF
INTERFACE
INTERFACE
F
F
R
R
MUTE
IC703
CXA1821M-T6
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
LD
VCC
VCC
PD
LD ON
A
LC/PD
B
RFE
C
RFO
D
FE
VEE
FE BIAS
F
TE
E
VC
VC
VC BUFFER
TRACKING ERROR AMP
FOCUS ERROR AMP
RF EQ AMP
APC LD AMP
RF SUMMING AMP
EI
EO
VEE
VCC
VCC
VC
VC
VC
VC
VC
VC
VC
VEE
VEE
VEE
VREF
34
– MAIN Board –
IC101, 201
TDA7296
THERMAL
SHUTDOWN
BIPOLAR
TRANSCONDACTANCE
INPUT STAGE
STANDBY/
MUTE
BOOST-
STRAP
MOS GAIN &
LEVEL SHIFTING
STAGE
STBY
-GND
IN–
IN+
IN+ MUTE
NC
BOOSTSTRAP
+VS
–VS
STBY
MUTE
NC
NC
+PWVS
OUT
–PWVS
14 15
12
13
10
11
8 9
6
7
5
3
4
1 2
+
–
MOS
OUTPUT
STAGE
SHORT
CIRCUIT
PROTECTION
IC301
TDA7439
VREF
VOLUME
TREBLE
MIDDLE
BASS
SPEAKER
ATTENUATOR
MULTIPLEXER
GAIN AMP
IIC BUS
DECODER &
LATCH
SUPPLY
SDA
CREF
VS
AGND
ROUT
LOUT
SCL
DIG GND
TREBLE (R)
TREBLE (L)
MIN (L)
MOUT (L)
BOUT (L)
BIN (L)
BOUT (R)
BIN (R)
MOUT (R)
MIN (R)
INR
1
2 3 4
5
6
R-IN4
R-IN3
7
8
R-IN2
R-IN1
9
10
MULTIPLEXER
GAIN AMP
L-IN1
L-IN2
11 12
L-IN3
L-IN4
13 14
MUX OUT (L)
15
18
VOLUME
TREBLE
MIDDLE
BASS
SPEAKER
ATTENUATOR
INL
MUX OUT (R)
16
17
27
28
29
30
22 21 20 19
26 25 24 23
IC305
KA7908
GND
OUT1
VCTL
VZ1
VZ2
IN1
IN2
VCC1
VCC2
OUT2
5
6
7
8 9 10
1
2 3
4
DRIVER OUT
PRE DRIVER
LOGIC
SWITCH
TSD
BIAS
35
5-18.
IC PIN FUNCTION DESCRIPTION
•
MAIN BOARD IC801 CXP83120A-132Q (SYSTEM CONTROLLER, LCD DRIVER)
Pin No.
Pin Name
I/O
Description
1
TAPE-END
I
Tape end detect sensor input terminal “H” input when the tape end detected
2
GND
—
Ground terminal
3
REMOCON
I
Sircs remote control signal input from the remote control receiver (IC802)
4
TU-DATA/SDA
O
PLL serial data output to PLL IC on the tuner pack (at tuner function)
I
2
C data output to the TDA7439 (IC301) (all functions)
5
NC
—
Not used (open)
6
T-MODE
I
Head position detect switch input terminal “L”: forward direction, “H”: reverse direction
7
REG-CON
O
Main system power supply on/off control signal output terminal “H”: power on
8
VCD
O
LED drive signal output of the VCD ON indicator (D500) “H”: LED on
9
TUNED
I
Tuning detection signal input from the tuner pack “L”: tuned
10
MOT-CON
O
Capstan/reel motor on/off control signal output terminal “H”: motor on
11
S-CLK
O
Serial data transfer clock signal output to the VCD block (at CD function)
12
S-SI
I
Serial data input from the VCD block (at CD function)
13
S-SO
O
Serial data output to the VCD block (at CD function)
14
CD-MUTE
O
Not used (open)
15
S-REQ
O
Interrupt status output to the VCD block
16
PBC
O
LED drive signal output of the PBC indicator (D501) “H”: LED on
17
RST
O
Reset signal output to the VCD block “L”: reset
18
TU-COUNT
I
PLL count data input from PLL IC on the tuner pack (at tuner function)
19
TU-CE
O
PLL serial chip enable signal output to PLL IC on the tuner pack (at tuner function)
20
JOG-B
I
Jog dial pulse input from the rotary encoder (RV801 VOLUME) (B phase input)
21
JOG-A
I
Jog dial pulse input from the rotary encoder (RV801 VOLUME) (A phase input)
22
AMP-MUTE
O
Muting on/off control signal output to the power amplifier (IC101, 201)
“H”: muting on
“H”: muting on
23
AMP-STBY
O
Standby on/off control signal output to the power amplifier (IC101, 201)
“L”: standby mode
“L”: standby mode
24
MD/VIDEO-ON
O
MD/VIDEO function control signal output terminal
“H”: MD/VIDEO (“L” output when other functions)
“H”: MD/VIDEO (“L” output when other functions)
25
TU-ON
O
Power supply on/off control signal output of the tuner pack (TU +10V and FM +7.5V)
LED drive signal output of the TUNER indicator (D855) “H”: tuner power on (LED on)
LED drive signal output of the TUNER indicator (D855) “H”: tuner power on (LED on)
26
D.S.G.
O
LED drive signal output of the DSG (Dynamic Sound Generator) indicator (D856)
“H”: LED on
“H”: LED on
27
CD-SYNC
O
LED drive signal output of the CD SYNC indicator (D857) “H”: LED on
28
SCK
O
Serial data transfer clock signal output to the TDA7439 (IC301)
29
TU-CLK
O
PLL serial data transfer clock signal output to PLL IC on the tuner pack (at tuner function)
30
SOL-CON
O
Trigger plunger on/off control signal output terminal “H”: plunger on
31
HP-CHK
I
Headphone check detection signal input terminal
32
TC-SW
I
Half detect (side A and B) switch and cassette in detect switch input terminal (A/D input)
33
KEY4
I
Key input terminal (A/D input) S826 to S829 (SELECT, PREV, NEXT, RETURN keys input)
34
KEY3
I
Key input terminal (A/D input) S817 to S822, S824 and S825 (STANDBY I/
u, CD, TUNER,
TAPE, MD/VIDEO, DSG, TUNER BAND, CD SYNC keys input)
35
KEY2
I
Key input terminal (A/D input) S801 to S808 (TUNING MODE, CD
^/p/+/=, PLAY
MODE, REPEAT, CD EJECT
6 keys input)
36
KEY1
I
Key input terminal (A/D input)
S809 to S816 (TAPE
S809 to S816 (TAPE
9 (/p/)/0/P, REC r, TUNING +/– keys input)
37
SIMUKE
I
Destination setting terminal (A/D input)
36
Pin No.
Pin Name
I/O
Description
38
RESET
I
System reset signal input from the reset signal generator (IC803) “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”
39
EXTAL1
I
Main system clock input terminal (4.19 MHz)
40
XTAL1
O
Main system clock output terminal (4.19 MHz)
41
VSS
—
Ground terminal
42
XTAL2
O
Sub system clock output terminal (500 kHz) Not used (open)
43
EXTAL2
I
Sub system clock input terminal (500 kHz) Not used (fixed at “L”)
44
AVREF
I
Reference voltage (+5V) input terminal (for A/D conversion)
45
AVSS
—
Ground terminal (for A/D conversion)
46
VL
O
Liquid crystal display bias on/off control signal output terminal
47 to 49
VLC3 to VLC1
—
Power supply terminal for the liquid crystal display bias
50 to 53
COM0 to COM3
O
Common drive signal output to the liquid crystal display (LCD801)
54 to 85
SEG0 to SEG31
O
Segment drive signal output to the liquid crystal display (LCD801)
86
REC-BIAS
O
Recording bias on/off selection signal output to the HA12203NT (IC352)
“L”: bias on, “H”: bias off
“L”: bias on, “H”: bias off
87
REC-MUTE
O
Recording muting on/off selection signal output to the HA12203NT (IC352)
“L”: muting on, “H”: muting off
“L”: muting on, “H”: muting off
88
DOLBY
O
Dolby NR on/off selection signal output to the HA12203NT (IC352)
“L”: dolby on, “H”: dolby off
“L”: dolby on, “H”: dolby off
89
VDD
—
Power supply terminal (+5V)
90
NC
—
Connected to power supply (+5V)
91
VSS
—
Ground terminal
92
TX
O
Sub system clock output terminal (32.768 kHz)
93
TEX
I
Sub system clock input terminal (32.768 kHz)
94
CD-ON
O
LED drive signal output of the CD indicator (D852) “H”: CD power on (LED on)
95
REC/PB
O
Recording/playback selection signal output to the BA3126N (IC350) and HA12203NT (IC352)
“L”: playback mode, “H”: recording mode
“L”: playback mode, “H”: recording mode
96
L-MUTE
O
Line muting on/off selection signal output to the HA12203NT (IC352)
“L”: muting on, “H”: muting off
“L”: muting on, “H”: muting off
97
LINE OUT-MUTE
O
Muting on/off control signal output terminal “H”: muting on
98
TC-ON
O
Power supply on/off control signal output of the cassette holder back light
LED drive signal output of the TAPE indicator (D854) “H”: back light on (LED on)
LED drive signal output of the TAPE indicator (D854) “H”: back light on (LED on)
99
WP
I
Wakeup control signal input terminal
100
S-ACK
I
Subcode sync (S0+S1) detection signal input from the VCD block (at CD function)
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