Pioneer PDP-507XD - Resetting the password function; Disabling the password function

PDP-507XD
57
5678
56
7
8
C
D
F
A
B
E
IC8401
MB91305PMC
(MAIN UCOM)
AUDIO_L/R
HD6/VD6
IC8001
PD6523A
(DIGITAL SELECTOR)
IC8101
PE5504B
(IP)
IC8201
PEG121B
(MULTI)
IC5401
SII9023CTU
(HDMI)
Input4
HDMI
Input3
HDMI
VD4/5
HD4/5
IC8402
MBM29DL162TE70TN
(FLASH)
IC4602
HY57V641620ET
P
(SDRAM)
IC4603
S29AL016D70TF1010
(FLASH)
EXA_TXT
EXDIO_TXT
DIN4_G
DIN4_R
DIN4_B
DIN3_G
DIN3_R
DIN3_B
HD3
HD_PLL
HOLD_PLL
CLP_AD
R1
R0
IC5402
PCM1754DBQ
(AUDIO DAC)
VD2
HD2
DIN2_BGB
DIN2_RCR
DIN2_GY
DIN1_GY
INT_HD1/VD1
EXT_HD1/VD1
VD_M
HD_M
CBCR_M
Y_M
RCR/GY/BCB_S
VD_S
HD_S
IC8102
EDS6432AFTA
(SDRAM)
IC8103
EDS6432AFTA
(SDRAM)
RS1_IC2
MGA/MBA/MR
MVD/MHD
IC8202
S29JL032H70TFI12
(FLASH)
RXD_IC6
TXD_IC6
HD/VD
RA
GA
BA
IC8407
PQ200WNA1ZPH
(FAN CONTROL)
RST_IC6
SDA_AIR
SCL_AIR
DIN5
DIN6_DATA
RST_ASIC
RXD_IC3
TXD_IC3
EXA
EXDIO
MD_A
MD_B
MA
A0. 19
DQ0. 15
IC4001
TC74VCX541FT
(BUFF)
TXD_MD
RXD_MD
IC4002. IC4005
TC74VCX541FT
(BUFF)
CN4001
CN4007
A_MUTE
A_STBY_B
PSW_A
SDA_AU
SCL_AU
CN4008
AC_DET
POWER SUPPLY UNIT
MAIN ASSY
50 DIGITAL ASSY AUDIO ASSY
FAN