Block Diagrams -Main Section - Sony HCD-VX222 Service Manual

MAIN SECTION
RV703
IC702
MIC
(1/2)
LEVEL
J703
+ +
MIC AMP
MIC1
J702
TUNER
SECTION
MIC2 (Page 22)
VIDEO
SECTION
(Page 24)
J301
L-CH
L
MD/VIDEO IN
(AUDIO IN) R-CH
R
L
OUT
R R-CH VIDEO
JK704
VIDEO SW
VIDEO
L-CH
GAME
L
IN
AUDIO
R R-CH
–A DECK– L-CH
HP101
PLAYBACK
R-CH
HEAD
R-CH
L-CH
–B DECK–
HRPE101
R-CH
RECOD/
R-CH
PLAYBACK/
ERASE
HEAD
Q217
ERASE
D206
Q220,221
Q227 Q222,225
Q224,228
Q223,L201
BIAS OSC MIC +12V
75
90 B SHUT
B-PHOTO
66 B REC KEY
REC(FWD)
A-MODE 70 A PLAY
B-MODE 71 B PLAY
A-HALF 68 A HALF
B-HALF 69 B HALF
• RCH is omitted
• Signal Path A-PHOTO 89 A SHUT
CASETTE
DECK
: PB (DECK A)
UNIT
REC(REV) 67 B REC REV
Q601,602
: PB (DECK B)
A TRIG
60 A TRIG
A-SOL
: REC (DECK B) DRIVE
Q603,604
: FM
B TRIG
B-SOL 61 B TRIG
DRIVE
: CD
g
: VIDEO
Q605,606
CAPSTAN MOTOR
CAPM+ 65 CAP M CONT
DRIVE
S701
`/1
Q701
D701
RV661
LED
MOTOR
`/1
DRIVER
SPEED EVER 5.7V
IC702
(2/2) ECHO AMP
IC703
AMP
RV702
2 LPF IN LPF2 OUT 9
ECHO
LEVEL
A L-CH
D LOUT
E VIDEO
(Page 24)
SECTION
F VIDEO
(Page 24)
SECTION
REC/ PB AMP
IC201
1
Q213
A
PB
5 BUFFER
Q226
B
Q229
2
REC
9 11
Q214
7 10
A/B
19 6
1 2 3
SURR AMP
Q210,211
IC302
D203,204
AMC
DETECT
X601 X602
32.768kHz 16MHz
77 94 76 10 11 15 13 72 79 78 57 58 59
MASTER CONTROL
IC401(2/2)
RES701
+5V (SW)
5MHz
25
3 4
DISPLAY CONTROL
IC701
37-58, 61-68 69-80 34 33 32 31 30 29 28 35
FLUORECENT F1
LED DRIVER
INDICATOR TUBE F2
Q702-709,712
S726 FLD1 VP (-30V)
DISPLAY
D702-709,711,
D716-720
56 MIC
IC501
43 TUNER L
OUT L 32 24 1 6
POWER
AMP
Q361,362
7
MUTE
MUTE
42 CD L
OUT R 24 31 R CH
Q301
CONT 12
47 MD L
Q503,504 Q581
MUTE
MUTE
BUFFER DRIVE
51 REC L
INPUT SELECT
TONE/VOL CONT
IC301
49 INLE GAME
45 TAPE/ L
57 DPLL1
58 DPLL2
39 38 37 36 35 34
EVER +5V
REMOTE
CONTROL
RECEIVER
SEN701
91 82 81 80 7 6 5 83 84 88 85 4
CD POWER
41 3 2 1 100
D713
6 10 7 9 8
26 22 21 20 13 14 17
RESET 12
ROTARY
ENCODER
KEY MATRIX
VR701
STBY RELAY 86
S702-712
S713-725
S727-738
VOLUME
23 23
Q381,382
R CH
DC
DETECT
Q501 Q383 Q386,387
D502
OVER LOAD PROTECT PROTECT
DETECTOR CONT SWITCH
R CH
Q365
MUTE MUTE
CONT Q363
Q384,385
RERAY
DEIVE
RY371
D383
Q911,D911-913
-V
VP (-30V)
REG
D541
IC681
Q681,682 +B
D+5V(SW)
POWER
+5V CD POWER
A+5V(SW) 1 3 AMP
REG SWITCH
-B
38
IC682
D681-684
D685
D686
RDS +5V
D670 +5V
D +5V 1 3
REG
+5V(SW)
IC683
D543 D542
+12V
MIC +12V 1 3
REG
M+7V
D687-690
D691-693
+7V
+9V
+9V 1 3
REG
D667
IC684
BD +5V
D661
D669
EVER +5V
IC661 IC901
D902-905
Q661
D664
EVER +5.7V +5.7V
3 RESET 1 3 1
REG
EVER +5.7V
Q901
RELAY
DRIVE
HCD-VX222
JK302
L SPEAKER
IMPEDANCE
USE 6-16
R
J701
PHONES
T911
F914
AC1
E,EA,IA,SP,TW
JW911
F920
AC1
AC3 E91,TH
JW912
JW6
F919
S901 E,EA,IA,SP,TW
AC3
E,EA,IA,SP, S901
TW E,EA,IA,SP,TW
VOLTAGE SELECTOR
AC4
230-240V
r
220V
r
AC4
120V
F1
F2
T901
JW3
AC
IN
JW1
RY901
E91,TH
JW4
E,EA,IA,SP,TW