Sony HCD-RV222 / MHC-RV222 Service Manual ▷ View online
49
49
HCD-RV222
HCD-RV222
6-24. PRINTED WIRING BOARDS — POWER SECTION (2/2) — • Refer to page 29 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
JW918
JW
920
JW
921
JW
922
JW
923
JW924
EXCEPT TH MODEL
EXCEPT TH MODEL
EXCEPT
TH MODEL
TH MODEL
EXCEPT
TH MODEL
TH MODEL
TH MODEL
TH MODEL
TH MODEL
TH MODEL
AC902
JW903
JW
906
JW
925
JW
910
CN901
AC901
CN902
JW
902
JW904
S901
VOLTAGE
SELECTOR
220V
LIVE
240V
220V
LIVE
240V
JW905
RY901
D901
CN903
240V
220V
240V
220V
PT902
LP901
D902
D903
D904
D905
JW901
JW900
PT901
JW926
JW
929
JW
930
JW917
FH907
FH909
F904
CN907
FH912
FH911
F905
F906
F907
FH913
FH914
R908
C908
C909
R903
D906
R904
C910
Q902
JW909
JW908
C906
FH910
CN905
FH908
JW907
LP902
CN904
4
3
JW912
EXCEPT TH MODEL
C911
CN906
D908
LP903
(Page 42)
(Page 48)
Ref. No.
Location
D901
C-3
D902
B-2
D903
B-3
D904
B-2
D905
B-3
D906
C-12
D908
C-10
Q902
C-11
• Semiconductor
Location
Ver. 1.1
50
50
HCD-RV222
HCD-RV222
6-25. SCHEMATIC DIAGRAM — POWER SECTION —
C404
C441
C442
Q441
Q442
Q483
Q484
R441
R442
R446
R457
R458
R459
R460
JW401
JW402
JW403
JW404
C447
C448
R491
R467
C443
C492
R495
C444
C488
R496
C452
C489
R494
C454
R492
C451
C453
R488
R487
R490
R481
R455
R456
R493
R445
R454
R453
C481
R466
R465
R485
R482
C486
C487
R489
R407
R401
R462
R461
L442
L441
JW407
R402
C403
C408
C407
C411
C402
CN441
CN442
TH441
R483
R447
R448
C446
R444
R412
JW442
R411
JW441
C445
R443
EP491
EP401
EP402
RY441
R486
Q489
R484
JK441
R413
R451
R414
R452
D401
D441
D
442
D482
D443
IC441(1/2)
D483
IC441(2/2)
D481
C405
C406
CN903
FH907
FH908
FH910
FH909
FH911
FH912
FH913
FH914
Q902
CN904
CN907
CN905
RY901
C911
CN906
JW917
JW907
JW908
JW912
JW909
JW925
JW903
JW904
JW905
JW906
JW910
JW901
JW902
CN901
F905
F907
F904
F906
C910
R904
R903
C908
R908
C909
C906
CN902
PT901
PT902
S901
Q482
Q481
Q485
Q488
Q487
Q486
D906
D908
D903
D902
D905
D904
D901
(Page 41)
(Page 40)
Ver. 1.1
51
HCD-RV222
IC103 CXA2581N-T4 (BD49 BOARD)
• IC BLOCK DIAGRAMS
IC701 BA6956AN (DRIVER BOARD)
IC712 BA6956AN (DRIVER BOARD)
IC712 BA6956AN (DRIVER 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
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
52
HCD-RV222
IC504 PCM1748E/2K (VMP43GY BOARD)
IC307 BD7600FV-E2 (VMP43GY BOARD)
IC506 BU2507FV-E2 (VMP43GY BOARD)
14
GND
13
AO1
12
DI
11
CLK
10
LD
9
AO6
8
VCC
1
VSS
(VREFL)
2
AO2
3
AO3
4
RESET
5
AO4
6
AO5
7
VDD
(VREFH)
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
1
BUFOUT
2
STBY
3
IN
4
GND
8 BUFIN
7 VCC
6 OUT
5 OUTSAG
8dB
9dB
LPF
CLAMP
GND
VCC
SCK
1 2 3
7 8
4
5
6
SERIAL
INPUT
INTERFACE
10
9
BCK
DATA
LRCK
VOUTL
VOUTR
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
ML
MC
16
13
MD
SYSTEM
CLOCK
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