Digital And Sensor Assys - Pioneer PDP-4280HD Service Manual

5

4.10 42 DIGITAL and SENSOR ASSYS

42 DIGITAL ASSY
V+3VACTV
V+3V_D
RA+
RA-
RB+ RA [0:9 ]
RB- GA[0:9]
BA [0:9 ]
RC+ SYNC [0:3 ]
RC-
D11 IC 3001
RD+ LVDS REC IEVER
RD-
BU8255KVT- K
RE+
RE- THEATER
RCLK+
RCLK-
INP _MUTE
TXD MD
RXD MD
REQ MD
MSEL
RELAY2
V+3VEEP
IC 3156
EEPROM
BR24L04F J
V+3VEEP
D24
5
6
V+3V_D V+1V_D
RA [0:9 ]
GA[0:9]
BA [0:9 ]
SYNC [0:3 ]
THEATER
SEQUENC E PROC ESSOR.
V+3VACTV
IC 3159 UARTRXD
UART SW UARTTXD
TC 7W126F
V+3V_D
C N3301
F LASH WRITE C ONC T
RST
V+3VACTV
AND
V+3VACTV
RST _SQ
VD
WE_SQ
INP _MUTE
TXD MD
RXD MD
REQ MD
MSEL
MODE
MODEL
PULL UP
PULL UP
TEMP1
E_SDA
E_SCL
V+3VACTV V+3VACTV
IC 3305 C N3152
RESET IC F LASH WRITE C ONC T
PST3628U
V+3V_D RST
IC 3302
RESET IC
RST2
PST3628U
SENSOR ASSY
V+3VEEP V+3VEEP
IC3652
IC3651
EEPROM
SENSOR
(Backup)
V+3VEEP
TE1
6
7
V+3V_D V+3V_D
X3302 IC 3306
102.5M X_TAL
F lash ROM
A D0LVDS [0:9 ]
A D1LVDS [0:9 ]
A D2LVDS [0:9 ]
A D3LVDS [0:9 ]
IC 3401
PEG239A- K
LS2
C PU
ADR_PD_MSK
YDRV[0:23]
XDRV[0:7]
V+3V_D
SCL IC 3158
DAC 2
SDA
M62339F P
V+3V_D
D23
IC 3157
DAC 1
M62334F P
PSIZE
SQ_NON
A DRS _PD
SCN5V _PD
SCAN _PD
YDD _PD
YSUS _PD
IC 3151
YDR V_PD
MODULE UC OM
XDD _PD
XSUS _PD
M30620F C SGP
XDRV _PD
PD _MUTE _B
DRF_B
RELAY
D22
V+3VACTV
AND
V+3VACTV
OR
PD_TRG_B DRF_SW
PS _PD DRF _B
M_SW_DET EXT _PD
A C _DET V SUS_ADJ
V+12V
POWER SUPPLY UNIT
D21
PDP-4280HD
7
8
V+3V_D
IC 3307
SRAM
V+8V V+3V_D
V+3VACTV
OR
V+3VACTV
ADRS_PD
Gen.
VKNOFS1 _2_ADJ
VKNOFS3 _ADJ
VKNOFS4 _ADJ
XKNOFS2 _ADJ
VOFS_ADJ
VYPRST _ADJ
XKOFS1_ADJ
VSUS_ADJ
V+3VACTV
SQ1_SD Gen.
VKNOFS1 _2_ADJ
VKNOFS3 _ADJ
VKNOFS4 _ADJ
VOFS _ADJ
VYPRST_ADJ
SCN5V PD
SCAN PD
YDD PD
YSUS PD
YDRV PD
PSW2
SUS _MUTE
INV
XKNOFS2 _ADJ
XKOFS1 _ADJ
XDD PD
XSUS PD
XDRV PD
PSW2
V+3VACTV SUS_MUTE
INV
OR
V+3VACTV
PD_MUTE
V+3VACTV
AND
V+3VACTV V+3VEEP
EEP RST
V+12V V+3V _D V+1V _D
IC 3602
DD - C ONV
BD9302F P
V+12V V+8V
IC 3601
8V REG
BA80BC 0WF P
8
A
B
C
D
D20
D19
E
F
33