Sony HCD-VM330AV Service Manual ▷ View online
HCD-VM330AV
50
50
S901
VOLTAGE SELECTOR
110 – 120V t 220 – 240V
BLK
WHT
RED
BLU
YEL
5
4
3
2
1
4
WHT
5
BLK
3
RED
1
2
YEL
BLU
POWER BOARD
VOL SEL BOARD
FUSE BOARD
(AC IN)
WHT
BLK
2
1
T902
POWER
TRANSFORMER
(SUB)
F903
N
MAIN BOARD
CN903
1-680-803-
T901
POWER TRANSFORMER
(MAIN)
*
NOT REPLACEABLE:
BUILT IN TRANSFORMER
E
B
C
D
E
F
A
1
2
3
4
5
6
7
8
31
(31)
1-680-804-
31
(31)
F905
F906
CNP905
CN901
F907
F908
1-683-049-
11
(11)
P
MAIN AMP BOARD
CN502
7-29. PRINTED WIRING BOARDS – POWER Section –
•
See page 27 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
D901
C-2
D902
C-2
D911
E-2
D912
E-2
D913
E-2
D914
E-2
Q901
F-2
(Page 42)
(Page 44)
HCD-VM330AV
51
51
7-30. SCHEMATIC DIAGRAM – POWER Section –
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
no mark : FM
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
(Page 45)
(Page 39)
HCD-VM330AV
52
52
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
• IC Block Diagrams
– BD Board –
– BD Board –
IC101
CXD3068Q
IC103
CXA2581N-T4
DOUT
LRCK
PCMD
BCK
DVDD2
ASYE
MD2
EMPH
XTSL
DVSS2
XTAI
XTAO
SQSO
SQCK
SCSY
SBSO
EXCK
SOUT
SOCK
XOLT
SE
TE
VC
TES1
TEST1
DVSS1
FRDR
FFDR
TRDR
TFDR
SRDR
SFDR
DVDD1
FSTO
SSTP
MDP
LOCK
PWMI
FOK
DFCT
DIGITAL
CLV
PROCESSOR
OSC
DIGITAL
OUT
EFM
DEMODULATOR
32K
RAM
ERROR
CORRECTOR
D/A DIGITAL
INTERFACE
MIRR, DFCT,
FOK
DETECTOR
CPU
INTERFACE
SUBCODE
PROCESSOR
SERVO
AUTO
SEQUENCER
SERVO INTERFACE
DVDD0
XRST
MUTE
D
ATA
XLA
T
CLOK
SENS
SCLK
A
TSK
WFCK
XUGF
XPCK
GFS
C2PO
SCOR
C4M
WDCK
DVSS0
COUT
MIRR
A
VDD0
IGEN
A
VSS0
ADIO
RFDC
CE
TE
A
VSS1
RF
AC
ASYI
ASYO
BIAS
A
VDD1
PCO
FILI
FILO
CL
TV
V16M
VCTL
VPCO
59 58
57 56 55 54 53 52
51 50 49 48
47 46 45 44 43 42 41
1
2
3
4
5
6
7
8 9 10 11 12 13 14 15 16 17 18 19 20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
OPERA
TIONAL
AMPLIFIER &
ANALOG SWITCH
A/D
CONVER
TER
FOCUS
PWM
GENERATOR
TRACKING
PWM
GENERATOR
SLED
PWM
PWM
GENERATOR
FOCUS
SERVO
SERVO
DSP
TRACKING
SERVO
DSP
SLED
SERVO
DSP
ASYMMETRY
CORRECTOR
DIGITAL
PLL
CLOCK
GENERATOR
60
53
HCD-VM330AV
1
2
3
4
5
6
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
POWER
SUPPLY
CLOCK MANAGER
•
DUAL PLL
AUDIO
DATA INPUT
INTERFACE
8 TIME OVER
SAMPLING DIGITAL
FILTER
•
FUNCTION
CONTROL
MODE
CONTROL
MULTI LEVEL
∆Σ
MODULATOR
MULTI LEVEL
∆Σ
MODULATOR
5 LEVEL
DAC
5 LEVEL
DAC
CR LPF
•
OUTPUT
AMP
CR LPF
•
OUTPUT
AMP
BPZ
CONTROL
13
OPEN
XT1
PGND
VCP
MCKO
RSV
SCKO3
ML
MC
MD
RSTB
VOUTR
AGND
VCA
ZERO
BCK
DATA
LRCK
SCKO2
SCKO1
VDD
DGND
XT2
384fs
15
14 VOUTL
CAP
1
15
16
2
3
4
5
6
7
8
9
6dB
75
Ω
6dB
75
Ω
6dB
75
Ω
20k
MUTEA
INA
GND
GND
GND
N.C.
INB
MUTEB
CHROMA MUTE
MUTE
VCC1
OUTA1
OUTA2
VCC2
MIXOUT1
MIXOUT2
N.C.
OUTB
14
13
12
11
10
1
2
3
4
5
6
7
14
VIDEO
OUTPUT
N.C
N.C
N.C
GND
N.C
V +
CONTROL
N.C
DIFFERENTIATION
INPUT
VIDEO
INPUT
PHASE
DELAY
DIFFERENTIATION
OUTPUT
13
12
11
10
9
8
FREQUENCY
CHARACTERISTIC
COMPENSATION
LPF
SWITCH
CONTROL
SECONDARY
DIFFERENTIATION
GAIN ADJ
LOWER
LIMITER
(1)
LOWER
LIMITER
(2)
CLAMP
(
SYNC
)
CHIP
– VIDEO Board –
IC302
NJM2255M (TE2)
IC303
NJM2209M (TE2)
IC304
BA7665FS-E2
IC509
PCM1727E-2/T2
6
5
1
2
3
4
7
8
TINT
GND
BGP
V OUT
COLOR OFFSET
COLOR
V IN
V+
HUE ADJUST
–X
+Ø
SATURATION
ADJUST
(COLOR BURST)
SATURATION
ADJUST
(COLOR BURST)
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