Sony HCD-VX222 / MHC-VX222 Service Manual ▷ View online
49
HCD-VX222
IC103 CXA2568M-T6 (BD BOARD)
11
12
10
VC
VC
VC
VC
VC
VC
VC
VCC
VCC
RF SUMMING AMP RF_EQ_AMP
ERROR AMP
FOCUS
FOCUS
TRACKING
ERROR AMP
ERROR AMP
VC BUFFER
VCC
VCC
VC
VC
VC
VC
VEE
VEE
VEE
VEE
VEE
VREF
13
14
15
6
5
1
2
3
4
7
8
9
16
19
20
21
22
23
24
18
17
HOLD
LD
PD
A
B
C
D
VEE
F
E
VC
AGCVTH
AGCCONT
VCC
LC/PD
LD_ON
LD_ON
HOLD_SW
RF_BOT
RFTC
RF_1
RFO
RFO
RFE
FE
TE
(50%/30%
OFF)
OFF)
APC PD AMP
APC LD AMP
IC102 BA5982FM (BD BOARD)
IC102 LC72130 (MAIN BOARD)
1
2
3
4
5
6
7
8
XIN
B03
CE
IFIN
AOUT
2
AIN1
AIN2
D1
CL
B04
D0
B01
I01
B02
XOUT
PD1
VSS
PD2
FMIN
AMIN
AOUT1
VDD
I02
B05
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
PHASE DETECTOR
CHARGE PUMP
SWALLOW COUNTER
1/16.1/17 4bits
SWALLOW COUNTER
1/16.1/17 4bits
POWER
ON
RESET
1/2
C B
I / F
I / F
REFERENCE
DIVIDER
REFERENCE
DIVIDER
C B
I / F
I / F
2
DATA SHIFT REGISTER
LATCH
2
3
1
5
OPIN2 +
6
OPIN2 –
7
OPOUT2
8
GND
9
STBY1
4
BIAS IN
OPIN1 +
OPIN1 –
OPOUT1
11
12
13
14
10
PowVcc1
VO2 (–)
VO2 (+)
VO1 (–)
VO1 (+)
OPIN3 +
OPIN3 –
OPOUT3
GND
STBY2
PreVcc
OPIN4 +
OPIN4 –
OPOUT4
PowVcc2
VO3 (–)
VO3 (+)
VO4 (–)
VO4 (+)
Vcc
STAND BY
CH1 2 3
Level
Shift
Level
Shift
Level
Shift
Vcc
STAND BY
CH4
Vcc
Level
Shift
27
26
28
24
23
22
21
20
25
18
17
16
15
19
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
20k
10k
10k
10k
10k
10k
10k
10k
10k
10k
50
HCD-VX222
IC101 BA1450 (MAIN BOARD)
IC701 BA6956AN (DRIVER BOARD)
CH2/A CH2/B
NF
VCC
CG
NF
ALC
METAL
OUT
PRE
OUT
OUT
TAPE A
/TAPE B
REC
OUT
OUT
REC
IN
CH1/A CH1/B
NF
GND1
M/H
NF
CH2
CH2
ALC
M/N
CH1
GND
GND
CH1
+
–
+
–
+
–
+
–
A/B
GND
METAL
OUT
PRE
OUT
OUT
MIX
OUT
REC
OUT
OUT
REC
IN
IREF
VREF2
VREF1
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
1
2
3
4
5
6
7
8
9
10
11
12
16
17
18
19
20
21
22
23
24
15
14
13
AM
OSC
AM
MIX
AM IF
FM
IF
FM
DET
AM
DET
SD
DET
AGC
LED
DRIVER
COMP
SD
SW
VCO
PD
1/2
DECODER
VREG
1/2
FM IN
FM DET
TUNED
STEREO
IF OUT
R OUT
L OUT
AM/FM
FM/AM DET OUT
AM MPX IN
FM MPX IN
IN REQ MUTE
FM SD ADJ
VCC
GND
AM OSC OUT
AM OSC
VCO STOP
AM RF IN
AM IF IN
AM AGC
AM MIX OUT
FM BAND WIDTH
V . REG
IC201 TA8189N (MAIN BOARD)
51
HCD-VX222
IC303
NJM2209M (VIDEO BOARD)
IC302
NJM2255M (VIDEO BOARD)
IC304
BA7665FS-E2 (VIDEO BOARD)
IC509
PCM1727E-2/T2 (VIDEO BOARD)
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
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
7
1
2
3
4
5
6
8
TINT
GND
V+
BGP
COLOR
V IN
COLOR
OFFSET
H
L
VOUT
HUE ADJ
SATURATION ADJ
(COLOR MAIN)
SATURATION ADJ
(COLOR BURST)
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
NCKO
RSV
SCKO3
ML
MC
MC
RSTB
VOUTR
AGND
VCA
ZERO
BCK
DATA
LRCK
SCKO2
SCKO1
VDD
DGND
XT2
384fs
15
14 VOUTL
CAP
52
HCD-VX222
SECTION 7
EXPLODED VIEWS
7-1. MAIN SECTION
NOTE:
• Items marked “*” are not stocked since they are
• Items marked “*” are not stocked since they are
seldom required for routine service. Some delay
should be anticipated when ordering these items.
should be anticipated when ordering these items.
• The mechanical parts with no reference number in
the exploded views are not supplied.
• Hardware (# mark) list and accessories and pack-
ing materials are given in the last of this parts list.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
• Abbreviation
EA
: Saudi Arabia model
SP
: Singapore model
TH
: Thai model
TW
: Taiwan model
IA
: Indonesian model
CD mechanism deck
#6
#3
#3
#3
#7
#7
#3
#5
4
3
11
1
1
2
2
front panel section
chassis section
not supplied
#3
#1
#3
#3
#3
#3
#3
10
7
9
8
5
6
14
15
12
13
1
3-363-099-01 SCREW (CASE 3 TP2)
2
3-363-099-41 SCREW (CASE 3 TP2)
3
4-224-549-01 CASE (SIDE-L)
4
4-234-009-41 CD DOOR…(BLACK) (E,EA,IA,SP,TH,TW)
4
4-237-846-01 CD DOOR…(SILVER)
5
4-224-550-01 CASE (TOP)
6
1-681-441-11 VIDEO OUT BOARD
7
4-234-091-21 PANEL BACK (E,EA,IA,SP,TW)
7
4-234-091-81 PANEL BACK (TH)
8
4-227-984-11 COVER (DUCT)
9
1-681-445-11 SUB TRANS BOARD
10
4-225-252-01 CUSHION (FOOT) (E,EA,IA,SP,TH,TW)
11
X-4952-994-1 CASE (R) ASSY, SIDE
12
A-4726-022-A VIDEO BOARD, COMPLETE (A)(E,EA,IA,SP)
12
A-4726-025-A VIDEO BOARD, COMPLETE (A) (TW)
12
A-4726-027-A VIDEO BOARD, COMPLETE (A) (TH)
13
1-769-986-11 WIRE (FLAT TYPE) (13 CORE)
14
1-792-246-11 WIRE (FLAT TYPE) (23 CORE)
15
4-951-620-01 SCREW (2.6X8), +BVTP
Ver 1.2 2001.09
• Color indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE)
KNOB, BALANCE (WHITE)
• • •
(RED)
↑
↑
Parts color Cabinet's color
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