Sony HCD-RG555 / MHC-RG555 Service Manual ▷ View online
45
45
HCD-RG555
5-21. PRINTED WIRING BOARDS — TRANSFORMER SECTION — • Refer to page 30 for Circuit Boards Location.
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
14
PT901
JW928
JW929
JW930
JW931
JW932
JW933
JW934
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
C920
C925
C923
C924
C922
C921
C926
JW920
JW921
JW922
JW923
JW911
JW924
JW901
D902
JW925
CN902
CN901
RY901
JW902
D901
S901
PT902
D905
D903
LP901
D904
CN903
JW905
(Page 44)
(Page 38)
Ref. No.
Location
D901
B-4
D902
B-2
D903
B-2
D904
B-2
D905
B-2
D906
C-13
D908
C-10
Q902
B-12
• Semiconductor
Location
46
46
HCD-RG555
5-22. SCHEMATIC DIAGRAM — POWER SECTION —
4P
Q484
Q486
Q487
D482
TH441
D901
FH907
FH908
FH910
FH909
FH911
FH912
FH913
FH914
D908
C908
JW917
D441
D443
D481
Q441
Q442
Q489
Q490
C441
C442
C444
C461
C462
R467
R468
FH916
FH917
FH918
L441
L442
JW404
R450
C463
R908
CN907
C920
C921
C922
C923
C924
C925
C926
CN905
R903
D906
Q902
C909
C906
C911
JW909
CN906
W901
R904
FH915
PT901
C910
D902
D904
D903
D905
CN901
RY901
JW906
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
Q483
R484
R483
R465
R466
Q482
C481
Q481
C486
R482
Q485
C487
R489
R490
Q488
D446
D442
R458
R456
R449
JW403
JW441
C445
JW442
C446
R448
D401
D402
Q491
R447
R471
R445
R443
C443
R476
R495
R444
C402
RY441
R457
EP491
JK441
EP401
EP402
D444
C413
C414
C405
C406
D445
IC441(1/2)
R460
C447
C448
R413
R414
R412
IC441(2/2)
F908
F904
F905
F909
F906
F907
JW912
CN904
CN903
PT902
C905
JW901
JW905
JW925
S901
R411
(Page 37)
(Page 36)
47
HCD-RG555
IC301 TC94A34FG-002 (BD81A BOARD)
5-23. IC BLOCK DIAGRAMS
33
34
35
36
37
38
39
40
41
42
1
8
43
61
62
63
64
60
59
56
52
50
47
46
45
44
48
49
25
26
27
28
29
30
31
32
17
18
19
20
21
22
23
24
9
10
11
2
3
4
5
6
7
58
57
55
53
51
12
13
14
15
16
54
RAS
CAS
OE
WE
PIO7
PIO6
PIO5
PIO4
Bus
Switch
BUCK
CCE
AD12
AD11
Gener
al
In/Output P
or
t
Address Calc.
2sets
Y-
P
ointer
register
C-P
ointer
register
X-P
ointer
register
VDDM
SRMSTB
VDDT
AD10
AD9
ERAM
2k w
ord
CRAM
4k w
ord
CR
OM
4k w
ord
YRAM
4k w
ord
XRAM
4k w
ord
SRAM/
DRAM I/F
SRAM I/F
1Mbit
SRAM
X-Bus
Y
-Bus
AD7
AD6
AD5
AD8
VC0
Timing
Generator
PRAM
Instr
uction
Decoder
Prog
ram
Control
MCU
. I/F
register
XO • X1 • X2
Y0 •
Y1 •
Y2
MX
MY
MZ
MA
C
A0
A1
AX
A
Y
ALU
A2
A3
DIT
round & limit
round & limit
A
udio I/F
LRCKIA
BCKIA
SDI0
LRCKO
BCKO
SDO0
VSS
VDDT
MIACK
MICK
MIDIO
MILP
MICS
STANBY
RESET
VDDP
AD4
AD3
AD2
AD1
AD0
VSS
VDD
CK
O
VDDX
XO
TEST
VCOI
VSSX
XI
MIMD
VSSP
PIO3
PIO2
PIO1
PIO0
VSS
CKI
VDD
TXO
SFSY
SBSY
D
ATA
POM
Sub code
I/F
CDP Cont
I/F
48
HCD-RG555
IC251 BA5947FM (BD81A BOARD)
15
16
17
18
19
20
21
22
23
24
25
26
27
36
28
29
30
31
32
33
34
35
1
2
3
4
5
6
7
8
9
10
11
12
13
14
LEVEL
SHIFT
SHIFT
F
R
R
F
R
F
F
19k
6.5k
50k 50k
100k
50k
PIN3
10k
Vref
50k 50k
PIN26
(ch1, 2)
POW
VCC
(ch3, 4)
SW
Pre
Vcc
INTER
FACE
INTER
FACE
INTER
FACE
R
F
50k 50k
POW
VCC
MUTE
Vref
POW
VCC
R
F
10k
CH1PUTF
CH1OUTR
CH2OUTF
CH2OUTR
POWVCC
CNF4
GND
C-M
C-P
VG
CH2RIN
CH2FIN
CH1RIN
CH1FIN
SW
OPIN+
OPIN-
NC
CH4OUTR
CH4OUTF
CH3OUTF
CH3OUTR
POWVCC
MUTE
GND
GND
PREGND
CT
CH3RIN
CH3FIN
CH4IN
CH4CAPA
OUTVREF
DPOUT
TREVCC
NC
D
D
D
D
D
D
D
D
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
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