Sony HCD-GPX3G Service Manual ▷ View online
HCD-GPX3G
37
• IC Block Diagrams
IC800 R2S15207FP (2CH DAMP Board (2/2))
1 2
INPUT
SELECTOR
SURROUND
VOCAL CUT
TONE CONTROL
(BASS, TREBLE, MID)
TONE CONTROL
(BASS, TREBLE, MID)
MCU
INTERFACE
RECOUT
INC2
IND2
VOLIN2
INB2
INA2
MONO/STEREO
REF
TONE
ON/OFF
TONE
ON/OFF
BASSBOOST
ON/OFF
39
MIX2 37
VCC 38
40
3
REC2
5
BASS12
6
BASS22
7
TRE2
8
MID12
9
MID22
10
TO
N
EO
U
T2
4
SAOUT
+
+
29 28
INPUT
SELECTOR
RECOUT
INC1
IND1
INA1 31
MIX1 36
GND 32
REFIN 33
SUR2 35
SUR1 34
30
INB1
27
REC1
26
BASS1
25
BASS21
24
TRE1
23
MID1
1
22
MID21
21
TO
N
EO
U
T1
+
VOCALCUT
ON/OFF
VOCALCUT
ON/OFF
TONE ATT
TONE ATT
11
BB12
12
BB22
13
OUT2
14
CLOCK
15
DATA
16
VOLUME
VOLIN1
BASSBOOST
ON/OFF
20
BB11
19
BB21
18
OUT1
17
VOLUME
IC1405 NJM2903V (TE2) (2CH DAMP Board (1/2))
IC1411 BA4580RF-E2 (2CH DAMP Board (1/2))
IC1411 BA4580RF-E2 (2CH DAMP Board (1/2))
VCC
GND
+
–
+
–
8
7
6
5
B OUTPUT
B- INPUT
B+ INPUT
1
2
3
4
A OUTPUT
A- INPUT
A+ INPUT
V-
V+
HCD-GPX3G
38
VAA
GND
IN-
COMP
CSD
VSS
1
2
3
4
OTA
COMP
PWM MODULATOR
CLICK NOISE
ELLIMINATION
UV
DETECT
+
+
-
-
6V
20.4V
20.4V
VAA+VSS
SD
FLOATING HIGH SIDE
DT
2
ENABLE
FLOATING INPUT
6V
CHARGE/
DISCHARGE
PROTECTION
CONTROL
HV
LEVEL
SHIFT
HV
LEVEL
SHIFT
DEAD TIME
LOW SIDE CS
HV
LEVEL
SHIFT
UV
DETECT
UV
DETECT
HIGH
SIDE
CS
UV
5V REG
HV
LEVEL
SHIFT
Q
HV
LEVEL
SHIFT
5
6
7
8
9
10
11
12
13
14
15
16 CSH
VB
HO
VS
VCC
LO
COM
DT
OCSET
VREF
IC1408, IC1409 IRS2092STRPBF (2CH DAMP Board (1/2))
HCD-GPX3G
39
IC101 LC786950T-US-H (BD76 Board (1/2))
C2F (LRSY)
60
FSEQ (DATACK)
59
DEFECT (DATA)
58
TEST1
57
AD_DATA (STDATA)
56
AD_BCK (STCK)
55
AD_LRCK (STREQ)
54
TEST0
53
CONT0
52
CONT1
51
CONT2
50
INTB1
49
INTB0
48
RESB
47
DO
46
DI
45
CL
44
CE
43
DVSS
42
DVDD
41
FDO
22
AV
D
D
21
TDO
23
SLDO
24
SPDO
25
VVSS1
26
PDOUT1
27
PDOUT0
28
PCKIST
29
VVDD1
30
CONT5 (M-MUTE)
31
LIMIT
-SW (CONT3)
32
STREQ (DEFECT)
33
STCK (FSEQ)
34
STDA
TA
(C2F)
35
DVDD
36
DVSS
37
DVDD15
38
VVDD3
39
VVSS3
40
SLCO
80
LR
VSS
79
RCHO
78
LRREF
77
LCHO
76
LR
VDD
75
XVDD
74
XIN
73
XOUT
72
XVSS
71
CONT4
70
DOUT
69
DVDD
68
DVSS
67
DVDD15
66
PCMREQ
65
PCMDA
TA
64
PCMBCK
63
PCMLRSY
62
DVDD
61
EFMIN 1
RFOUT 2
LPF 3
PHLPF 4
AIN 5
CIN 6
BIN 7
DIN 8
SLCISET 9
RFMON 10
VREF 11
JITTC 12
EIN 13
FIN 14
PCNCNT 15
TE 16
TEIN 17
LDD 18
LDS 19
AVSS 20
LPF
CLOCK
GENERATOR
8FS DIGITAL FILTER/
1BIT DAC
SLICE
LEVEL
CONTROL
RF
SIGNAL
PROCESSOR
MONITOR
INTERPOLATION MUTE
ERROR CORRECTION
SERVO
CONTROL
CD PLL
AUDIO CONTROL
MUTE/DE-EMPHASIS/
ATTENUATION CONTROL/
BASS/TREBLE/
HFC FILTER
SYNCHRONIZATION
DETECTION
EFM
DEMODULATION
MP3/PCM OUTPUT CONTROL
STREAM CONTROL/AUDIO INPUT
MEMORY I/F
AUDIO OUTPUT
CONTROL
JITTER
APC
D/A
A/D
VREF
TES, HFL,
DEFECT
PORT CONTROL
DOUT CONTROL
SUBCODE
DECODER
DECODER
TEXT
DECODER
ROM
DECODER
SRC
MP3, WMA, AAC
DECODER
MEMORY
1M BIT
MCU
I/F
PLL3
MP3
ENCODER
HCD-GPX3G
40
IC301 BA5826HFP-E2 (BD76 Board (1/2))
1
2
3
4
5
6
7
29
9
10
11
12
13
13
14
28
27
26
24
23
22
21
20
19
18
17
16
15
25
LEVEL
SHIFT
LEVEL
SHIFT
THERMAL
SHUT-DOWN
REGULATOR
REGULATOR
BIAS TRAP
LEVEL
SHIFT
MUTE
LEVEL
SHIFT
D.BUFF
D.BUFF
D.BUFF
GND
30 GND
IN4
IN4’
BIAS
VCC
VCC
IN3’
IN3
VO3+
VO3–
VO4–
VO4+
RESETt
OPIN
VO1–
REGB
VO1+
IN1
RESET
REGOUT
MUTE
GND
8
GND
IN2’
IN2
VO2+
VO2–
GND
OPOUT
D.BUFF
D.BUFF
D.BUFF
D.BUFF
D.BUFF
REGULA
TOR
VCC
VCC
34
35
36
37
38 GR5
GR4
GR3
GR2
GR1
GR3
GR2
GR1
39 GR6
SERIAL
DATA
INTERFACE
SEGMENT
DRIVER
GRID
DRIVER
1
CLK
2
DIN
3
STB
4
DOUT
CONTROL
OSC
DISPLAY
MEMORY
TIMING
GENERATOR
KEY MATRIX
MEMORY
5
K1
6
K2
7
OSC
8
GND
9
VDD
10
SG1/KS1
11
SG2/KS2
12
SG3/KS3
13
SG4/KS4
DIMMING
CIRCUIT
14 15 16 17 18 19
SG5/KS5
SG6/KS6
SG7/KS7
SG8/KS8
SG9/KS9
SG10/KS10
20 21 22 23 24 25
SG1
1/KS1
1
SG12/KS12
SG13/KS13
SG14/KS14
SG15/KS15
SG16/KS16
26
SG17
27
28
29
30
31
32
33 SG24
SG23
SG22
SG21
SG20
SG19
SG18
SG22
SG21
SG20
SG19
SG18
40
GR7
41
GR8
42
GR9
43
GR10
44
GR1
1
45
GR12
46
GR13
47
GR14
48
GR15
50
VEE
51
VDD
52
GND
49
GR16
IC503 PT6324-LQ (DISPLAY Board (1/2))
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