Sony HCD-RV555 / MHC-RV555 Service Manual ▷ View online
49
49
HCD-RV555
HCD-RV555
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
14
JW
920
JW
921
JW
922
JW
923
JW911
JW924
JW901
AC902
JW
925
CN902
CN901
AC901
RY901
JW
902
D901
S901
PT902
LP901
CN903
JW905
D904
D902
D905
D903
PT901
JW928
JW
929
JW930
JW
931
JW
932
JW
933
JW
934
F909
JW917
FH916
FH909
F908
CN907
FH912
FH911
F905
F906
F907
FH913
FH914
C906
R908
R904
C910
D906
R903
C908
Q902
JW909
W901
JW912
CN906
FH910
FH915
D908
FH908
CN905
FH907
FH917
FH918
LP902
LP903
CN904
F904
C911
C909
N
K
16
16
16
16
TRANSFORMER BOARD
SUB TRANSFORMER BOARD
• Refer to page 29 for Circuit Boards Location.
: Uses unleaded solder.
6-24. PRINTED WIRING BOARDS — POWER SECTION (2/2) —
(Page 48)
(Page 42)
D901
B-3
D902
B-2
D903
B-2
D904
B-2
D905
B-2
D906
C-13
D908
C-10
Q902
C-12
• Semiconductor
Location
Ref. No.
Location
50
50
HCD-RV555
HCD-RV555
6-25. SCHEMATIC DIAGRAM — POWER SECTION —
TH441
FH907
FH909
FH911
FH913
C908
JW917
C441
C442
C444
C461
C462
R467
R468
FH916
FH918
L441
L442
JW404
R450
C463
R908
CN907
CN905
R903
C909
C906
C911
JW909
CN906
R904
PT901
C910
CN901
RY901
CN902
R446
R477
R469
R470
R496
R474
R472
R473
R455
R475
C492
R459
C453
R441
R442
R478
C452
C454
R454
R453
C451
R485
R481
R487
R488
R461
R462
CN441
JW409
JW411
R409
C403
R401
R403
C409
JW401
R410
C404
R402
R404
C410
CN442
R407
R486
R484
R483
R465
R466
C481
C486
R482
C487
R489
R490
D446
R458
R456
R449
JW403
C445
JW442
C446
R448
Q491
R447
R471
R445
R443
C443
R476
R495
R444
C402
RY441
R457
EP491
JK441
EP401
EP402
C413
C414
C406
D445
IC441(1/2)
R460
C447
C448
R412
IC441(2/2)
JW912
PT902
JW901
JW905
JW925
S901
R411
CN904
CN903
JW405
JW406
D401
D402
C405
JW441
W901
R413
R414
Q489
D444
Q490
D441
Q441
D442
D481
Q442
Q482
Q481
Q484
Q483
D443
Q485
Q487
Q486
D482
Q488
Q902
D908
D906
D903
D905
D902
D904
D901
FH908
FH912
FH914
FH915
FH910
FH917
F908
F904
F905
F909
F906
F907
JW489
(Page 41)
(Page 40)
Ver. 1.2
51
HCD-RV555
• IC BLOCK DIAGRAMS
IC103 CXA2581N-T4 (BD Board)
RW/ROM
RW/ROM
EQ ON/OFF
VOFST
VOFST
DVC
VC
VC
VC
RW/ROM
VC
DVC
30
29
28
+
–
+
–
DVC
VCC
DVC
27
26
25
24
RW/ROM
EQ
23
22
21
20
19
RFAC
VCA
VCC
+
–
DVC
+
–
+
–
RW/ROM
VC
RW/ROM
DVC
+
–
3
A
B
C
D
B
C
C
A
A
A
B
C
C
D
B
C D
D
+
–
1
2
APC AMP
5
6
7
8
9
4
RFAC
SUMMING
AMP
RW/ROM
APC-OFF
(Hi-Z)
RW/ROM
(H/L)
VOFST
VC
RW/ROM
+
–
10
11
GM
GM
18
17
16
B
D
A
C
13
14
15
12
EQ IN
LD
PD
GND
A
B
C
D
AC_SUM
E
F
DVCC
DVC
RFAC
SW
DC OFST
RFDCI
RFDCO
VC
RFC
VFC
BST
RFG
VCC
CEI
CE
TE_BAL
TE
FEI
FE
IC701 BA6956AN (DRIVER Board)
IC712 BA6956AN (DRIVER Board)
IC712 BA6956AN (DRIVER Board)
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
52
HCD-RV555
IC504 PCM1748E/2K (VMP Board)
MCLK
1 2 3
7 8
4
5
6
SERIAL
INPUT
INTERFACE
10
9
BCK
DATA
LRCK
LOUT
ROUT
DGND
VDD
VCC
VCOM
AGND
FUNCTION
CONTROL
INTERFACE
SYSTEM
CLOCK
MANAGER
8 TIME OVER
SAMPLING
DIGITAL FILTER
WITH
FUNCTION
CONTROLLER
ENHANCED
MULTI-LEVEL
DELTA-SIGMA
MODULATOR
D/A
CONVERTER
D/A
CONVERTER
OUTPUT AMP AND
LOW-PASS FILTER
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
LOW-PASS FILTER
ZERO DETECT
POWER SUPPLY
12
11
ZEROL
ZEROR
15
14
LAT
CLK
16
13
DATA
SYSTEM
CLOCK
IC307 BD7600FV-E2 (VMP Board)
1
BUFOUT
2
STBY
3
IN
4
GND
8 BUFIN
7 VCC
6 OUT
5 OUTSAG
8dB
9dB
LPF
CLAMP
GND
VCC
IC506 BU2507FV-E2 (VMP Board)
14
GND
13
AO1
12
DI
11
CLK
10
LD
9
AO6
8
VCC
1
VSS
2
AO2
3
AO3
4
RST
5
AO4
6
AO5
7
VDD
14BIT
SHIFT REGISTER
ADDRESS
DECODER
DECODER
D0 – D9
D10 – D13
10BIT R-2R
D/A CONVERTER
10BIT R-2R
D/A CONVERTER
10BIT LATCH
10BIT LATCH
10BIT R-2R
D/A CONVERTER
10BIT LATCH
10BIT LATCH
10BIT R-2R
D/A CONVERTER
10BIT R-2R
D/A CONVERTER
10BIT LATCH
10BIT R-2R
D/A CONVERTER
10BIT LATCH
CH2
CH3
CH4
CH5
CH1
CH6
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