Sony CMT-GB3 / HCD-GB3 Service Manual ▷ View online
37
HCD-GB3
•
IC Block Diagrams
IC402 BA5947FM-E2
– BD83S Board –
1
LEVEL SHIFT
MUTING
D
15
16
+
–
+
–
D
D
17
18
D
19
20
VREF
21
22
23
24
25
26
27
28
PREVCC
OPOUT
OUTVREF
CH4CAPA
CH4IN
CH3FIN
CH3RIN
GND
MUTE
POWVCC
CH3OUTF
CH3OUTR
CH4OUTF
CH4OUTR
OPIN
–
2
OPIN+
INTERFACE
14
13
D
12
11
D
10
9
8
7
6
CH2FIN
CH2RIN
GND
5
4
CH1FIN
CH1RIN
VREFIN
POWVCC
CH2OUTR
CH2OUTF
CH1OUTR
CH1OUTF
INTERFACE
D
D
3
SW
INTERFACE
IC203 BH18LB1WG-TR
1
VIN
2
GND
3
STBY
4
NC
5
VOUT
VOLTAGE
REFERENCE
THERMAL
PROTECTION
OVER CURRENT
PROTECTION
CONTROL
BLOCK
38
HCD-GB3
IC801 LV23003VA
– MAIN Board –
1
AM RF-IN
3
FM-MIX
2
REG
6
VCC1
4
GND1
AM
RF
AM
MIX
AM
DET
AM
IF
FM
DET
FM
IF
SD
FF
VCO
FF
FF
ST
TRIG
STSW
FM
MIX
FM
OSC
AM
OSC
OSC
BUFFER
FM
S-METER
DECODER
PHASE
COMPARATOR
MUTE
PROGRAMMABLE
DIVIDER
REFERENCE
DIVIDER
UNLOCK
DETECTOR
SWALLOW
COUNTER
POWER ON
RESET
DATA SHIFT
REGISTER
LATCH
PHASE
DETECTOE
CHARGE
PUMP
UNIVERSAL
COUNTER
5
AM-MIX
7
AMIF-IN
8
FMIF-IN
9
P-DET
10
P-COMP
11
FM-DET
12
L-OUT
13
R-OUT
14
VSS
FM
RF
36 FM RF-IN
35 GND2
34 FMRF-OUT
33 VCC2
30 BO2
29 BO1
29 BO1
32 FM-OSC
31 AM-OSC
28 A-OUT
27 A-IN
27 A-IN
23 FM DET-OUT
15
CE
16
DI
17
CL
18
DO
22 MPX-IN
19 XIN
20 XOUT
21 VDD
26 PD
25 AGC
25 AGC
24 AM DET-OUT
LOW-PASS
FILTER
AGC
IF
BUFFER
PIROT
DET
CCB
I/F
39
HCD-GB3
– AMP Board –
IC202 STK432-070
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
+
ch.1
+
ch.2
LI+
LI-
NC
+VCC
ICC
LO+
LO-
+VP
-VP
RO+
RO-
-VCC
SUB
RI-
RI+
IC401 BD3881FV
28
REC1O
27
REC1N
26
REC2N
25
REC2O
24
INC2
23
INC1
22
INB2
21
INB1
20
INA2
19
INA1
18
OUT1
17
BAS1
16
OUT2
15
BAS2
BASS
BASS
13
CONT
14
VEE
12
VDD
11
TRE2
10
TRE1
TREBLE
TREBLE
7
VOLIN1
8
VOLIN2
9
GND
VOLUME
VOLUME
6
PB1O
LOGIC
CONTROL
5
PB2O
4
PB2N
1
PB1N
2
PB1P
3
PB2P
– MAIN Board –
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
LPF
Controller
Latch
Write
Buffer
Shift
Register
VSS
NC
D
ATA
CLK
LCK
LED1
LED2
LED3
LED4
LED5
VDD
OE
SO
NC
DIM1
DIM0
M2+
M2-
M1-
M1+
IC702 BU2099FV
– PANEL Board –
40
HCD-GB3
• IC Pin Function Description
BD83S BOARD IC201 CXD3014A-201R (RF AMP, DSP, MP3)
BD83S BOARD IC201 CXD3014A-201R (RF AMP, DSP, MP3)
Pin No.
Pin Name
I/O
Description
1
LRCK
O
L/R sampling clock signal output terminal
2
LRCKI
I
L/R sampling clock signal input terminal
3
PCMD
O
Serial data output terminal
4
PCMDI
I
Serial data input terminal
5
BCK
O
Bit clock signal output terminal
6
BCKI
I
Bit clock signal input terminal
7
XTACN
I
Oscillation circuit on/off switch control signal input from the system controller
“L”: oscillation stop, “H”: self-oscillation
8
XRST
I
System reset signal input from the system controller “L”: reset
9
VSS
—
Ground terminal
10
IREQ-MP3
O
MP3 data request signal output to the system controller
11
CLOK
I
CD serial data transfer clock signal input from the system controller
12
DATA2
I
MP3 serial data input from the system controller
13
XLAT-MP3
I
MP3 serial data latch pulse signal input from the system controller
14
REQ-MP3
I
MP3 data request signal input from the system controller
15
ACK-MP3
O
MP3 acknowledge signal output to the system controller
16
XLAT
I
CD serial data latch pulse signal input from the system controller
17
VDD
—
Power supply terminal (+1.8V)
18
SVSS
—
Ground terminal
19
SVDD
—
Power supply terminal (+1.8V)
20
SENS
O
Internal status (SENSE) signal output to the system controller
21
WFCK
O
WFCK output (Not used)
22
XUGF
O
XUGF output (Not used)
23
XPCK
O
XPCK output (Not used)
24
GFS
O
GFP output (Not used)
25
C2PO
O
C2PO output (Not used)
26
SCOR
O
Subcode sync (S0+S1) detection signal output to the system controller
27
VDD
—
Power supply terminal (+1.8V)
28
COUT
I/O
Track number count signal input/output (Not used)
29
SVSS
—
Ground terminal
30
SVDD
—
Power supply terminal (+1.8V)
31
MIRR
I/O
Mirror signal input/output (Not used)
32
DFCT
I/O
Defect signal input/output (Not used)
33
FOK
I/O
Focus OK signal input/output (Not used)
34
VSS
—
Ground terminal
35
VDD
—
Power supply terminal (+1.8V)
36
VSS
—
Ground terminal
37
LOCK
I/O
Not used
38
MDP
O
Spindle motor servo control signal output terminal
39
SSTP
I
Disc inner position detection signal input terminal
40
IOVSS1
—
Ground terminal
41
SFDR
O
Sled servo drive signal (+) output to the coil/motor driver
42
SRDR
O
Sled servo drive signal (–) output to the coil/motor driver
43
TFDR
O
Tracking servo drive signal (+) output to the coil/motor driver
44
TRDR
O
Tracking servo drive signal (–) output to the coil/motor driver
45
FFDR
O
Focus servo drive signal (+) output to the coil/motor driver
46
FRDR
O
Focus servo drive signal (–) output to the coil/motor driver
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