Sony HCD-CP2A Service Manual ▷ View online
33
1
2
3
4
5
6
7
8
9
10
11
12
13
14
56
49
42
28
27
21
20
26
25
24
41
55 54 53 52 51 50
48 47 46 45 44 43
40
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32
31
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19
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LCD DRIVER
DISPLAY DATA LATCH
COMMAND/DATA REGISTER
SEGMENT
DECODER
DECODER
OSC
DATA
POINTER
COMMAND
DECODER
WRITE
CONTROL
SERIAL
INTERFACE
LCD TIMING
CONTROL
DATA
MEMORY
BLINKING
DATA
MEMORY
IC
VDD
S19
S18
S17
S16
S15
S14
S13
S12
S11
S10
S9
S8
IC
S7
S6
S5
S4
S3
S2
S1
S0
COM3
COM2
COM1
COM0
NC
IC
RESET
VDD
VSS
C/D
BUSY
CS
SI
SCK
VLC3
VLC2
VLC1
SYNC
CL2
S20
S21
S22
S23
S24
S25
S26
S27
S28
S29
S30
S31
CL1
IC
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
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
– MAIN Board –
IC301
TDA7439
IC309
KA3082
IC800
µPD7225GB-3B7
34
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
ANALOG
DIGIT
AL
RCLK
NC
XO
XI
VSS2
T2
VDD2
T1
QUAL
RDA
T
VREF
MUX
VDD1
VSS1
VSS3
CMP
1
4
3
6
5
8
7
2
14
15
16
13
12 11 10
9
CLOCK
PLL 57kHz
RDS/ARI
COMPARATOR
8th SWITCHED
CAPACITOR
FILTER
ANTI-ALIASING
FILTER
BIPHASE
DECODER
PLL
1187.5Hz
DEFFERENTIAL
DECODER
TEST
IC803
BU1924F-E2
– AMP Board –
IC101, 201
TDA7296
35
7-18.
IC PIN FUNCTION DESCRIPTION
• MAIN BOARD IC802 CXP84332-224Q (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
A/B
O
Deck-A/B selection signal output to the HA12215F (IC306) “L”: deck-A, “H”: deck-B
2
TREBLE A
I
Jog dial pulse input from the rotary encoder (RV803 TREBLE) (A phase input)
3
REC (DUB/HI-DUB)
O
High speed dubbing control signal output to the HA12215F (IC306)
4
C-XRST
O
Reset signal output to the CXD2587Q (IC101) and BA5974FP (IC102) “L”: reset
5
AMP-S/B
O
Standby on/off control signal output to the power amplifier (IC101, 201) “L”: standby mode
6
AMP-MUTE
O
Muting on/off control signal output to the power amplifier (IC101, 201) “H”: muting on
7
REC-BIAS
O
Recording bias on/off selection signal output to the HA12215F (IC306)
“L”: bias on, “H”: bias off
“L”: bias on, “H”: bias off
8
REC/PB
O
Recording/playback/pass selection signal output to the HA12215F (IC306)
“L”: recording mode, “H”: playback mode
“L”: recording mode, “H”: playback mode
9
CAP-MOTOR-CON
O
Capstan motor on/off control signal output terminal “H”: motor on
10
CAP-MOTOR-H/L
O
High/normal speed selection signal output of the capstan motor
“L”: normal speed, “H”: high speed
“L”: normal speed, “H”: high speed
11
TRIG CON (A)
O
Deck-A side trigger plunger on/off control signal output “H”: plunger on
12
TRIG CON (B)
O
Deck-B side trigger plunger on/off control signal output “H”: plunger on
13
BASE A
I
Jog dial pulse input from the rotary encoder (RV802 BASE) (A phase input)
14
T-HALF (A)
I
Detection input from the deck-A cassette detect switch “L”: cassette in, “H”: no cassette
15
T-PLAY (A)
I
Detection input from the deck-A play detect switch “H”: deck-A play
16
T-SHUT (A)
I
Shut off detection signal input from the deck-A side reel pulse detector
17
T-SHUT (B)
I
Shut off detection signal input from the deck-B side reel pulse detector
18
T-PLAY (B)
I
Detection input from the deck-B play detect switch “H”: deck-B play
19
TU-TUNED
I
Tuning detection signal input from the tuner pack “L”: tuned
20
TU-DATA
O
PLL serial data output to the tuner pack
21
TU-CLK
O
PLL serial data transfer clock signal output to the tuner pack
22
TU-COUNT
I
PLL serial data input from the tuner pack
23
TU-CE
O
PLL chip enable signal output to the tuner pack
24
RDS-DATA
I
RDS serial data input from the RDS decoder (IC803)
(Used for the AEP, UK and North European models only)
(Used for the AEP, UK and North European models only)
25
RDS-ON
O
Power supply on/off control signal output of the tuner pack (+7V) and RDS decoder (IC803)
(Used for the AEP, UK and North European models only)
(Used for the AEP, UK and North European models only)
26
C/D
O
Command data output to the liquid crystal display driver (IC800)
27
LCD DATA
O
Serial data output to the liquid crystal display driver (IC800)
28
LCD CLK
O
Serial data transfer clock signal output to the liquid crystal display driver (IC800)
29
LCD CE
O
Chip enable signal output to the liquid crystal display driver (IC800)
30
RESET
I
System reset signal input from the reset signal generator (IC801) “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”
31
EXTAL1
I
Main system clock input terminal (4.19 MHz)
32
XTAL1
O
Main system clock output terminal (4.19 MHz)
33
VSS
—
Ground terminal
34
TX
O
Sub system clock output terminal (32.768 kHz)
35
TEX
I
Sub system clock input terminal (32.768 kHz)
36
AVSS
—
Ground terminal (for A/D converter)
37
AVREF
I
Reference voltage (+5V) input terminal (for A/D converter)
38
SIMUKE
I
Destination setting terminal (A/D input)
39
B-HALF
I
Detection input from the deck-B half detect switch “L”: cassette in, “H”: no cassette
40
KEY1
I
Key input terminal (A/D input)
S800 to S807 (TUNING –/+, REC z, TAPE B M/m/x/Y, TUNER BAND keys input)
S800 to S807 (TUNING –/+, REC z, TAPE B M/m/x/Y, TUNER BAND keys input)
36
Pin No.
Pin Name
I/O
Description
41
KEY2
I
Key input terminal (A/D input) S808 to S815 (CD x/u, TUNING MODE, REPEAT, PLAY
MODE,CD > M/. m/Z keys input)
MODE,CD > M/. m/Z keys input)
42
KEY3
I
Key input terminal (A/D input)
S817 to S823 (DSG, VIDEO, MD, TAPE, CD, TUNER, I/1 keys input)
S817 to S823 (DSG, VIDEO, MD, TAPE, CD, TUNER, I/1 keys input)
43
KEY4
I
Key input terminal (A/D input)
S824 to S831 (X, CD SYNC, HI-SPEED DUBBING, TAPE A M/m/x/Y keys input)
S824 to S831 (X, CD SYNC, HI-SPEED DUBBING, TAPE A M/m/x/Y keys input)
44
BASE B
I
Jog dial pulse input from the rotary encoder (RV802 BASE) (B phase input)
45
TRAY-SW
I
Disc tray position detect switch (S1) input terminal (A/D input)
“L”: open position, “M”: close position, “H”: moving
“L”: open position, “M”: close position, “H”: moving
46
HOLD
O
Automatic power control hold signal output to the CXA2568M (IC103)
47
LCD-XRST
O
Reset signal output to the liquid crystal display driver (IC800) “L”: reset
48
TAPE
O
Power supply on/off control signal output of the cassette holder back light
LED drive signal output of the TAPE indicator (D817) “H”: back light on (LED on)
LED drive signal output of the TAPE indicator (D817) “H”: back light on (LED on)
49
TUNER
O
Power supply on/off control signal output of the tuner pack (+9.5V)
LED drive signal output of the TUNER indicator (D814) “H”: tuner power on (LED on)
LED drive signal output of the TUNER indicator (D814) “H”: tuner power on (LED on)
50
CD
O
Power supply on/off control signal output of the CD block (+5V)
LED drive signal output of the CD indicator (D813) “H”: CD power on (LED on)
LED drive signal output of the CD indicator (D813) “H”: CD power on (LED on)
51
C-SQCK
O
Subcode Q data reading clock signal output to the CXD2587Q (IC101)
52
C-SQSO
I
Subcode Q data input from the CXD2587Q (IC101)
53
DSG
O
LED drive signal output of the DSG (Dynamic Sound Generator) indicator (D811)
“H”: LED on
“H”: LED on
54
JOG-B
I
Jog dial pulse input from the rotary encoder (RV801 VOLUME) (B phase input)
55
CD-SENS
I
Internal status detection monitor input from the CXD2587Q (IC101)
56
REMOCON
I
Sircs remote control signal input from the remote control receiver (IC804)
57
JOG-A
I
Jog dial pulse input from the rotary encoder (RV801 VOLUME) (A phase input)
58
MD
O
MD function control signal output terminal
LED drive signal output of the MD indicator (D812) “H”: MD (LED on)
LED drive signal output of the MD indicator (D812) “H”: MD (LED on)
59
SYNC
O
LED drive signal output of the CD SYNC indicator (D810) “H”: LED on
60
VIDEO
O
VIDEO function control signal output terminal
LED drive signal output of the VIDEO indicator (D821) “H”: VIDEO (LED on)
LED drive signal output of the VIDEO indicator (D821) “H”: VIDEO (LED on)
61
RDS-CLK
I
Serial data reading clock signal input from the RDS decoder (IC803)
(Used for the AEP, UK and North European models only)
(Used for the AEP, UK and North European models only)
62
C-SCOR
I
Subcode sync (S0+S1) detection signal input from the CXD2587Q (IC101)
63
WP
I
Wake up control signal input terminal
64
REG-CON
O
Main system power supply on/off control signal output terminal “H”: power on
65
TRAY-OPEN
O
Motor drive signal output to the disc tray open/close motor drive (IC309) “H” active *1
66
TRAY-CLOSE
O
Motor drive signal output to the disc tray open/close motor drive (IC309) “H” active *1
67
C-XLAT
O
Serial data latch pulse output to the CXD2587Q (IC101)
68
REC/PB
O
Recording/playback selection signal output to the REC/PB switching (IC403)
“L”: playback mode, “H”: recording mode
“L”: playback mode, “H”: recording mode
69
TREBLE B
I
Jog dial pulse input from the rotary encoder (RV803 TREBLE) (B phase input)
70
SCK
O
Serial data transfer clock signal output to the TDA7439 (IC301)
71
SDA
O
Serial data output to the TDA7439 (IC301)
72
VDD
—
Power supply terminal (+5V)
*1 Disc tray open/close motor (M901) control
Stop
Table In
Table Out
Brake
TRAY-OPEN (pin yg )
“L”
“L”
“H”
“H”
TRAY-CLOSE (pin yh )
“L”
“H”
“L”
“H”
Terminal
Mode
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