Pioneer PDP-427XD - DIAGNOSIS OF SD (SHUTDOWN); 5.3.1 SHUTDOWN SIGNAL BLOCK DIAGRAM

PDP-427XD
97
5678
56
7
8
C
D
F
A
B
E
5.3 DIAGNOSIS OF SD (SHUTDOWN)
5.3.1 BLOCK DIAGRAM OF THE SHUTDOWN SIGNAL
V+3.3D
V+12V
IC4701 IC4402 AV SW
MPX
IC4901
RGB SW
IC5101
M-VDEC
Convert
3.3V to 5V
IC8301
IC4601
IF ucom
TXT ucom
Thermal Sensor
TH8901
IC8201
MULTI
IC8302
3.3V
RST
FAN NG
TEMP2
TXD_IF RXD_IF CLK_IF BUSY_IF CE_IF REQ_IF SCL_AV3 SDA_AV3
RESET
TXD_IC3
RXD_IC3
CLK_IC3
IC3_CE
IC3_BUSY
IC8409
EEPROM
SCL_EP
SDA_EP
IC3753
VOL IC
A2
M6
M4
M9
M1
IC8401
MAIN_ucom
SCL_AV SDA_AV
SCL_MA SDA_M
A
IC5301
ADC
IC5103
S-VDEC
IC5401
HDMI_RX
DC_DET.
BLOCK
SCL_TXT
SDA_TXT
IC8403
UCOM
RST
IC8001
D_SEL
TXD_IC6 RXD_IC6 CLK_IC6 CE_IC6
IC8101
IP
EXAx20 EXDIOx15
TXD_MD
RXD_MD
REQ_MD
D11
A_STB_B A_NG_B
SCL_AU SDA_AU
RST4
IF_RST
RST_MR
RST2
IC4102
DC-DC
IC3151
MODULE_ucom
IC3401
SQ IC
IC3160
MONO
MULTI
TXD_SQ RXD_SQ CLK_SQ CE_SQ BUSY_SQ
IC3303
AND
IC3304 IC3302
3.3
V_RST_I
1.2
V_RST_I
IC3156
EEPROM
IC3651
SENSOR
IC3652
EEPROM
IC3157
DAC
RST2
SQ_SD
TEMP
SCL SDA
E_SCL E_SDA
D24
TE1
PSIZE
FAN
IC3751
POWER
AMP
U4401
A-TUNER
U4402
A-TUNER
T1
DIGITAL ASSY
MAIN ASSY
AUDIO ASSY TANSHI ASSY
SENSOR ASSY
Note : The figures 1 to ~ indicate the number of times the LED flashes when shut-down
occurs in the corresponding route.