Diagrams; Block Diagram - Video, Audio Section - Sony XTL-W7000 Service Manual

XTL-W7000
6-1. BLOCK DIAGRAM – VIDEO, AUDIO Section –
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: TV (AUDIO)
: TV (VIDEO)
: AUX INPUT (AUDIO)
: AUX INPUT (VIDEO)
: CAMERA INPUT
J1001 - 1004
ANT IN
J1001
1
ADET5
J1002
2
ADET6
J1003
3
ADET7
J1004
4
ADET8
DIVERSITY ANTENNA
CONTROL
IC1001
ADET5
9 16
ADET1 ANT1
ADET6
10 ADET2 ANT2 15
ADET7
11 ADET3 ANT3 14
ADET8
12 ADET4 ANT4 13
VIDEO 24
4
CT1001
VCO CENTER
TU +5V
XTL-W7000
SECTION 6

DIAGRAMS

JP101 (1/2)
L
VIDEO 1 IN
AUDIO
R R-CH
CN1102 (1/2)
3
(L)
VIDEO 2 IN
1
(R)
(AUDIO)
AU +9V
REFERENCE VOLTAGE
TV TUNER
UNIT
TU1001
NOISE CANCEL
1 RF_IN AUDIO_OUT 11
IC1002
VIDEO_OUT1 15
VIDEO_OUT2 14
4 3 9 13 12
BUFFER
Q1003
94 95 10 50 11 77 78
LINE AMP
IC1102
LINE AMP
IC1101
R-CH
AUDIO SELECT
IC1251
15 X2
GENERATOR AU_VREF
IC1003 (2/2)
BUFFER
14 X1 X 13
IC1252
LOW-PASS
FILTER 12 X0
IC1003 (1/2)
B A
9 10
Q1251 Q1252
VIDEO SELECT
IC1105
BUFFER
VIN1
6
Q1002
9 VIN2 VOUT2 15
3 VIN3
CN1102 (2/2)
3
VIDEO 2 IN
10 13 11 14
JP101 (2/2)
VIDEO 1 IN
VIDEO
CN1101
2
CAMERA IN
BUFFER
Q1001
8 9 28 79 86 87 59 84 83 41 40 39 85 69 70 71 58
24 24
GND
BUFFER
ISOLATION
IC1501
IC1502
MUTING
Q1503
R-CH
ELECTRICAL VOLUME
IC1451
+ +
8 V_IN2 VOUT2 7
R-CH 1 V_IN1 VOUT1 2
MUTING
Q1451
4 5
X1401
FM STEREO
7.6MHz
TRANSMITTER
IC1401
14 13
XIN XOUT
22 L-IN
COMP_OUT 5 9
R-CH 1 R-IN
LOW-PASS
MUTE
FILTER 7
18
Q1404, 1405
MODULATION
VOLUME CONTROL
Q1401 - 1403
MUTING CONTROL
Q1502
AU_MUTE
VIDEO AMP
IC1503
VIDEO SELECT
IC1104
1 IN1
OUT 7
3 IN2
VIDEO SELECT
IC1103
2 4
1 IN1
OUT 7
3 IN2
2
80 88 81
SYSTEM CONTROLLER
IC1701 (1/3)
CN1501 (1/2)
3
(L)
2
VIDEO OUT
1
(AUDIO)
(R)
GROUND R-CH
SWITCH
Q1501
SPEAKER AMP
IC1452
OUTPUT 6
2 INPUT
SP201
OUTPUT 8
1 4
CN1401
(ANTENNA IN)
TRANSMITTER
CN1402
OUT
2
RF_IN RF_OUT 11
RY1401
PD
VCC
FM ON SWITCH
AV +5V
Q1406, 1407
17 16 15
CN1502
2
VIDEO OUT
VIDEO
(Page 25)
A
6
SYNC
SEPARATOR
IC1201
8 7
Q1702
BUFFER ACC_CHK
B (Page 26)
IC1703
16 29 37