Block Diagram For Power Block (1) - Pioneer SC-99 Service Manual

1

4.6 BLOCK DIAGRAM FOR POWER BLOCK (1)

T
PRIMARY ASSY
SMPS
A
B
C
FRONT HDMI
USB ASSY
JA9620
C
D
E
F
20
1
2
Refer to
MAIN Transformer part
Other Circuits
V+5R6_EV
CN9501
G
DIGITAL MAIN ASSY
IC451
3chDCDC
Converter
TPS65251RHA
DVCPOW
NETPOW
IC9403
1.1V DCDC Converter
MM3543BH
DVCPOW
IC9408
3.3V DCDC
MM3542BF
NETPOW
CN901
CN601 CN603
CN8301
CN7952
FFC
CN7902
232POW
I
COMPONENT ASSY
IC7902
5V LDO
MM3411A50
CN7954
CN7903
CN7004
FFC
H
INTERFACE_M ASSY
CN6001
V+5_EV
L
DISPLAY ASSY
2
3
A
IC101
V+3R3_MA
SH2
R5S726B0D216FP
IC103
IC9515 Serial Flash
V+1R25_MA
1.25V LDO
S-1172B1C-U5 IC102
SDRAM
IC603
Gate Array
PE7008A
IC9508 V+2R5_MA
2.5V LDO
MM3529A25
IC9602
HDMI SW
SiI9589CTUC-3
IC9523
1.2V Ripple V+1R2_HD
Blocker
MIC94325YMT
IC1602
HDMI Tx
MN864787
V+1R1_PA
IC1609
HDMI TX SW 4in2
MN864788
IC1605
IC9511 5V LOAD SW
5V LDO
BD2242G-G
DVCPOW
MM3529A50
IC1610
5V LOAD SW
BD2242G-G
IC1615
5V LOAD SW
BD2242G-G
IC9603
V+5_MHL
Current SW
BD82065FVJ
IC1204
VIDEO
IC9404
PROCESSOR
V+1R8_SC
1.8V LDO
88DE2750
MM3529A18
V+1_SC
IC9402
1V LDO
S-1172B10
IC1212
DDR2 for
Scaler
IC909
VIDEO Decorder
ADV7181CBSTZ
IC9505
V+1R8_VD
1.8V LDO
MM3529A18
IC9002
IC9513 V+3R3_DSP
CS49844A-CQZ
3.3V LDO
NJM2846DL3-33
DIRPOW IC9001
SDRAM
IC9518 IC9004
V+1_D1
1V LDO Serial Flash
DIRPOW S-1172B10
IC9703
DSP
D808K013DPTP456
IC9514
1.3V Ripple V+1R3_D2
IC9702
Blocker
DIRPOW
SDRAM
MIC94325YMT
IC9704
Serial Flash
IC9512 X1501, X1502
V+3R3_OS
3.3V LDO
XTAL
NJM2872BF33
DIRPOW
NW Module
AXX7293
IC9502
V+1R2_NW
VARIABLE LDO
S-13A1A00-E6
V+3R3_NW
IC9407
V+2R5_NW
2.5V LDO
MM3529A25
IC9406
232C
V+5_EV
5V LDO
Mute Buffer
MM3411A50
IC9504
5V LDO V+5_DSP
DIRPOW
MM3529A50
CN9701
CN3784
CN3783
CN2001
IC2036
3.3V LDO
IC8601
NJM2872BF33
RS232C
IC2002
3.3V LDO
NJM2881F33
C
C
IC2034
V+5_D
V+6_AD
N N
5V LDO
2
3 NJM2845DL1-05
C
7 0
9 0
1 4
IC2031
3.3V LDO
IR
NJM2872BF33
IC2029
3.3V LDO
NJM2872BF33
IC6001 IC2040
EVENT CPU 3.3V LDO
S-1172B33-E6
IC2030
3.3V LDO
S-1172B33-E6
B
DAC HIGH ASSY
SC-99
3
4
V+5R6_EV(DDD)
V+3R3_HHH(MA)
V+1R8_HHH
V+1R8_NW
V+5_HD
V+3R3_DSP
JA1601
HDMI OUT1
JA1602
HDMI OUT2
JA1603
HDMI OUT3/HDZONE
JA9607
HDMI IN7/MHL
Q5622
FET SW
RTQ040P02
USBDPON
IC5503
USBDAC
F
CM6631
USB DAC
ASSY
SC-99, SC-LX89 only
AD
D-DAC BRIDGE ASSY
V+3R3_DAOSC X2001
XTAL
V+5_D
IC2003
DIR + DIT
V+3R3_D Peripheral
AK4118AEQ
IC2026
Zone2 DAC
AK4388EF
IC2038
HDZone DAC
AK4388EF
IC2027
A/D Converter
V+3R3_DA
PCM1804DB
IC2009
V+3R3_A
SUB DAC
ES9016S
V+3R3_DA3
IC2037 V+1R2_A2
1.2V LDO
S-1172B12-E6
V+3R3_DA2
IC2010
MAIN DAC
IC2028
V+1R2_A
ES9016S
1.2V LDO
S-1172B12-E6
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