Sony HCD-GPX33 / HCD-GPX55 / HCD-GPX77 / HCD-GPX88 Service Manual ▷ View online
HCD-GPX33/GPX55/GPX77/GPX88
HCD-GPX33/GPX55/GPX77/GPX88
45
45
• Waveforms
– MB Board –
316 mVp-p
8.0 kHz
2
IC100
qa (O-XOUT)
100 mV/DIV, 50 ns/DIV
88 mVp-p
24.0 MHz
4
IC300
es (XTALOUT)
20 mV/DIV, 10 ns/DIV
6
IC701
4 (XTALO)
50 mV/DIV, 25 ns/DIV
12.28 MHz
152 mVp-p
1
IC100
9 (O-XC-OUT)
50 mV/DIV, 10
Ps/DIV
32.76 kHz
180 mVp-p
3
IC100
<z// (O-FL-CLK)
200 mV/DIV, 25 ns/DIV
1
Ps
352 mVp-p
5
IC501
8 (XTALO)
20 mV/DIV, 10 ns/DIV
94 mVp-p
27.0 MHz
HCD-GPX33/GPX55/GPX77/GPX88
HCD-GPX33/GPX55/GPX77/GPX88
46
46
• IC Block Diagrams
IC280 BA2903FV-E2 (MB BOARD (8/9))
IC300 USX2064-AEZG-TR (MB BOARD (8/9))
IC420 BU4829F-TR (MB BOARD (7/9))
VCC
GND
+
–
+
–
–
8
7
6
5
B OUTPUT
B- INPUT
B+ INPUT
1
2
3
4
A OUTPUT
A- INPUT
A+ INPUT
V-
V+
VDO 2
NC
OUT 1
3
VSS
4
Vref
+
–
IC460 RN5B801-0002 (MB BOARD (7/9))
GND 1
VDDRF VDD
VDD
FM Antenna
FM LNA
Filter
ADC
Digital
Mixer
FM
Demodulator
AM
Demodulator
Digital
AGC
RDS
Decoder
Stereo
Decoder
DAC
LOUT
ROUT
LRCK
BCLK
IISD
IIS Controller
IIS
Generator
Station
Detector
Image
Control
RSSI
Calculation
VDD
SPI
12C
HOST Controller
Serial Interface / Registers
Digital Filters
Digital Signal Process
ADC
AMP
AM LNA
LOSC
XOSC
Clock
Generator
AM
TUNE
AM Antenna
2
CP2 3
FRF1 4
GNDRF 5
ARF1
ARF2
IIC / R DSI
LA
CK
VDD
GND
DA
IISD
IISD
LRCK / LOUT
Lch
Rch
BCLK / ROUT
BCLK
SW
VDD
X2
X1
CP1
SW
Amplifier
LRCK
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
AGC
AMP
AGC
AMP
IC504 M12L64164A-7TG2Y (MB BOARD (2/9))
Clock
Generator
Address
Command Decoder
Control Logic
Mode
Register
Row
Address
Buffer
&
Refresh
Counter
Column
Address
Buffer
&
Refresh
Counter
Bank A
Bank B
Bank C
Bank D
Sense Amplifier
Row Decoder
Column Decoder
Data Control Circuit
Latch Circuit
Input & Output
Buffer
NC 40
UDQM 39
CLK 38
CKE 37
NC 36
A11 35
A9 34
A8 33
A7 32
A6 31
A5 30
A4 29
VSS 28
VDD
27
VSS
41
DQ8
42
VDDQ
43
DQ9
44
DQ10
45
VSSQ
46
DQ11
47
DQ12
48
VDDQ
49
DQ13
50
DQ14
51
VSSQ
52
DQ15
53
VSS
54
A3
26
A2
25
A1
24
A0
23
A10/AP
22
BA1
21
BA0
20
CS
19
RAS
18
CAS
17
WE
16
LDQM
15
VDD
14
1 VDD
2 DQ0
3 VDDQ
4 DQ1
5 DQ2
6 VSSQ
7 DQ3
8 DQ4
9 VDDQ
10 DQ5
11 DQ6
11 DQ6
12 VSSQ
13 DQ7
PHY#1
VDDCR
...
Bus-
power
detect/
detect/
Vbus pulse
Upstream
PHY
Repeater
1.2 V reg
PLL
TT
#1
#1
TT
#2
#2
TT
#3
#3
TT
#4
#4
Serial
Interface
Controller
Port
controller
Serial
interface
engine
1.2 V reg
Routing and port re-ordering logic
Port #1
OC sense
switch driver/
LED drivers
Port #4
OC sense
switch driver/
LED drivers
PHY#4
27
VBUS_DET
30
USBDM_UP
36
VDD
29
VDD
32
XTALOUT
34
PLLFILT
35
RBIAS
33
XTALIN
22
SDA/SMBDAT
A
23
VDD
28
SUSP_IND
31
USBDP_UP
25
HS_IND
26
RESET_N
24
SCL/SMBCLK
15
VDD
14
CRFILT
10
VDD
1
USBDM_DN1
2
USBDP_DN1
13
OCS_N1
12
PRTPWR1
11
TEST
3
USBDM_DN2
4
USBDP_DN2
5
VDD
6
USBDM_DN3
7
USBDP_DN3
8
USBDM_DN4
9
USBDP_DN4
18 PRTPWR3
21 OCS_N4
19 OCS_N3
20 PRTPWR4
17
OCS_N2
16
PRTPWR2
Ver. 1.1
HCD-GPX33/GPX55/GPX77/GPX88
47
IC701 TAS3108DCPR (MB BOARD (1/9))
MCLK
Input
SAP
Audio DSP Core
Output
SAP
Microprocessor
and
I
2
C Bus Controller
PLL and Clock Management
M
U
X
X
M
U
X
X
M
U
X
X
M
U
X
X
M
U
X
X
M
U
X
X
÷4
Master
SCL
Oversample Clock
N = 0 (Default)
M = 8 (Default)
I
2
C
Master/Slave
Controller
8-Bit
WARP
8051 Microprocessor
OSC
÷2
÷2
÷2
÷2
÷ Z = 2
DEFAULT
÷ X = 1
DEFAULT
÷ Y = 64
DEFAULT
÷10
1/(M+1)
1/2
N
M
U
X
X
PLL
X 11
20
SCLKIN
19
LRCK
3
XTALI
2
VR_PLL
1
AVSS
4
XTALO
5
MCLKI
6
MCRCK_DV
7
CS0
8
GPIO
9
DVDD
10
DVSS
11
SDIN1
12
SDIN2
13
SDIN3
14
SDIN4
15
SDA1
16
SCL1
17
SDA2
18
SCL2
21
MCLKO
36
PLL2
37
RSRV
38
AVDD
39
GND
35
PLL1
34
PLL0
22
SCLKOUT1
23
SCLKOUT2
24
SDOUT4
25
SDOUT3
26
SDOUT2
27
SDOUT1
28
VR_DIG
29
DVSS
30
DVDD
31
PDN
32
RESET
33
RSRV
HCD-GPX33/GPX55/GPX77/GPX88
48
IC740 SRC4182 (MB BOARD (1/9))
IC750 PCM1754DBQR (MB BOARD (1/9))
IC765 PCM1754DBQR (MB BOARD (1/9)) (GPX55/GPX77/GPX88)
IC765 PCM1754DBQR (MB BOARD (1/9)) (GPX55/GPX77/GPX88)
IC780 TC7WH157FK (MB BOARD (1/9))
P
R
G
L
1
18 OFMT1
17 OWL0
16 OWL1
17 OWL0
16 OWL1
20 TDMI
19 OFMT0
24 LRCKO
23 SDOUT
23 SDOUT
26 MODE0
25 BCKO
28 MODE2
27 MODE1
27 MODE1
22 VDD
21 DGND
21 DGND
15 RDY
2
RCKI
3
NC
4
SDIN
5
BCKI
6
LRCKI
9
BYPAS
10
IFMT0
11
IFMT1
12
IFMT2
13
RST
14
MUTE
7
VIO
8
DGND
REFERENCE
CLOCK
INTERPOLATION
FILTERS
RE-SAMPLER
DECIMATION
FILTERS
AUDIO
OUTPUT
PORT
AUDIO
INPUT
PORT
RATE
ESTIMATOR
CONTROL
LOGIC
1
AUDIO
SERIAL
PORT
POWER
SUPPLY
SUPPLY
BCK
SYSTEM
CLOCK
2
DATA
3
LRCK
4
DGND
5
NC
6
VCC
15
SERIAL
CONTROL
PORT
FMT
14
4x/8x OVERSAMPLING DIGITAL
FILTER & FUNCTION CONTROL
ENHANCED MULTILEVEL
DELTA-SIGMA MODULATOR
D/A
CONVERTER
D/A
CONVERTER
ZERO
DETECT
OUTPUT AMP
& LOW-PASS
& LOW-PASS
FILTER
OUTPUT AMP
& LOW-PASS
& LOW-PASS
FILTER
MUTE
SYSTEM
CLOCK
MANAGER
16 SCK
13 DEMP
12 TEST
11 ZEROA
9 AGND
VLTUO
VRTUO
10 VCOM
7
8
8
SELECT
11
6
ST
11
7
A 1
2
3
A
B
Y
5
Y
B
GND 4
VCC
8
Y
EN G
Y
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