Sony HCD-GPX33 Service Manual page 46

HCD-GPX33/GPX55/GPX77/GPX88
• IC Block Diagrams
IC280 BA2903FV-E2 (MB BOARD (8/9))
8 7 6 5
–
+
2 3 4
1
IC300 USX2064-AEZG-TR (MB BOARD (8/9))
36 35 34 33 32 31 30
USBDM_DN1 1
USBDP_DN1 2
USBDM_DN2 3
USBDP_DN2 4
Bus-
VDD 5
power 1.2 V reg
Upstream
detect/
USBDM_DN3 6 PHY
V bus pulse
USBDP_DN3 7
Serial
interface
USBDM_DN4 8 Repeater
engine
USBDP_DN4 9
VDD 10
TEST 11 VDDCR
TT
PRTPWR1 12
1.2 V reg #1
13
OCS_N1
CRFILT 14
VDD 15
Routing and port re-ordering logic
Port #1
. . .
OC sense
PHY#1
switch driver/
LED drivers
IC420 BU4829F-TR (MB BOARD (7/9))
OUT 1
VDO 2
–
+
Vref
3 4
NC VSS
HCD-GPX33/GPX55/GPX77/GPX88
29 28 27 26 25 24 23 22
Serial
PLL Interface
Controller
TT TT TT Port
controller
#2 #3 #4
Port #4
21 OCS_N4
OC sense
PHY#4
switch driver/ 20 PRTPWR4
LED drivers
19 OCS_N3
18 PRTPWR3
16 17
IC460 RN5B801-0002 (MB BOARD (7/9))
GND 1
1
VDDRF 2 VDD
2
CP2 3 3 FM Antenna
Filter
FRF1 4 4
FM LNA
GNDRF 5 5
AM Antenna
ARF1
6
AM LNA
ARF2
7
AM
TUNE
LOSC
IC504 M12L64164A-7TG2Y (MB BOARD (2/9))
VSS DQ8 VDDQ DQ9 DQ10 VSSQ DQ11
41 42 43 44 45 46 47
NC 40
UDQM 39
CLK 38
Clock
Generator
CKE 37
NC 36
Address
A11 35
Mode
Register
A9 34
A8 33
A7 32
A6 31
A5 30
A4 29
VSS 28
27 26 25 24 23 22
VDD A3 A2 A1 A0 A10/AP
46 46
20 19 18 17
VDD
Digital Signal Process
Digital FM Stereo
AGC
Mixer Demodulator Decoder
AMP
ADC
Digital AM RDS
AGC
AGC Demodulator Decoder
AMP
LRCK
Image Station IIS
BCLK
Control Detector Generator
ADC
AMP
IISD
RSSI
Digital Filters
Calculation
Serial Interface / Registers
Clock
XOSC
12C
Generator
HOST Controller
SPI
VDD
8 9 10 11 12
DQ12 VDDQ DQ13 DQ14 VSSQ DQ15 VSS
48 49 50 51 52 53 54
1 VDD
2 DQ0
Bank D
Bank C
3 VDDQ
Bank B
Row
4 DQ1
Address
Buffer
Bank A
&
5 DQ2
Refresh
Counter
6 VSSQ
Sense Amplifier 7 DQ3
Column
Column Decoder 8 DQ4
Address
Buffer
& 9 VDDQ
Refresh
Counter
Data Control Circuit
10 DQ5
11 DQ6
12 VSSQ
13 DQ7
21 20 19 18 17 16 15 14
BA1 BA0 CS RAS CAS WE LDQM VDD
IISD
16 IISD
Lch
Rch
LOUT
DAC
ROUT
15 LRCK / LOUT
LRCK
BCLK / ROUT
14
BCLK
13