Chroma/If Schematic Diagram - Aiwa VX-D1420 Service Manual

A B
FROM/TO MICON
TEXT-H
M.P.OFF_H_A
AFC_OFF
8 TEXT_Y
VCR_POWER_H
TV_POWER_H
HD_A
VD_A
R.OUT
G.OUT
B.OUT
DEGAUSS_H
POWER_FAIL[DC]
TUNER_CTL
R669 100
AGC_M
SDA
W952
SCL
W953
7 IIC_OFF
AFT_M
GND
TEST POINT
CP603 8283_0912_00_000
9 B.OUT
8 REC AFT
7 AGC R
6 AFT
5 AGC
4 IIC OFF
3 SDA
2
SCL
6
1 GND
CD6001
TO DECK SHILD ANT601
C6H14002
BT15-0006
CD651 CH01408A
1 GND
W901
13 12
AGC 1
0.2
5
2
NC
7.2
3
1.3
W883
SCL 4
4.8
W821
SDA 5
4.8
6
NC
0.1
+5V 7
5.0
8 NC
W974
0.2
+30V 9
29.9
4 10 NC
0
IF 11
0
15 14
L604 C606
0.22uH 0.022 B
3
W943
FROM/TO POWER
C655
AT+30V
0.1 F
2
P.CON+9V
P.CON+5V_A
GND
MONITOR_V
TU_VIDEO
ANTENNA
AGC_R
REC_AFT
NOTE:
THE DC VOLTAGE AT EACH PART WAS MEASURED
1
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
CAUTION: SINCE THESE PARTS MARKED BY
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
C

CHROMA/IF SCHEMATIC DIAGRAM

R659 220
HD
R667 33K
VD
P.CON+5V_A
B.OUT
REC_AFT
R686
AGC_R
10K 1/4W
SAW FILTER
C694
CF601 SAF39.5MZL220ZL
0.1 B
2 3 4 5
ANTENNA L610
2.2uH
NC
2.3 2.4 0 0 2.9
1 2 3 4 5
RF AGC
VOL
DC
IF AGC
SW VIF
DET
FM
DET
L605
P.CON+5V_A AMP
VIDEO
LIM
100uH 0607
R683 TRAP
BPF
150
AMP
VIDEO
P.CON+9V SPLL
BPF
C602_1
0.1 F 54 53 52 51 50
3.1 2.1 2.0 NC 2.5 2.5
C608
C648
7.2
0.001 B
1.6
AMP
47P CH
Q601
2SC3000
0.8
COIL VIDEO IFT
L613
NC
100uH
0607
0
3.5
4.9
C678
BUFFER
1.3 4.0
AMP
Q608
Q610
1 F
2SA1037AK
0.7 2SC2412K
ARE ATTENTION: LES PIECES REPAREES PAR UN
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
C
D E
(SYSCON PWB)
SW
Q611
2.6
DTC143TKA
0
BUFFER
0 Q603
2SC2412K
R673 220
R674 220 5.2
R647 2.6
2.0
120K
R646
100K
C658
6.3V 100
KA
C654
0.01 B
2.9 0 5.0 2.6 4.8 4.8 4.8 4.0 1.1 1.1 1.1 0 7.8 1.8
6 7 8 9 10 11 12 13 14 15 16 17 18 19
DRIVE/OUT-OFF
BUS ABL CLAMP
CONTRAST
OSD
OSD
BRIGHT MATRIX
CORING STRETCH
CONTRAST RGB
PEAKING BLACK
AFT
LINE SEP
DEMO
DELAY SYNC
ACC
CLAMP
SW
TRAP PAL
BAF SW
VCO
IDENT SW APC1 TINT
IF VIDEO
APC2
VCO
PLL
A2C CLMP CLMP KILLER
CW
49 48 47 46 45 44 43 42 41 40 39 38 37 36
4.3 4.3 3.7 3.5 2.5 2.6 4.9 2.7 0 2.0 3.5 2.8 3.9 0.9 NC
NC
42
L608
360K043
9.4 3.0
3.6
BUFFER
W802
Q602
2SC2412K
R670
560
CAUTION: DIGITAL TRANSISTOR
AUDIO SIGNAL(REC)
ETANT
AUDIO SIGNAL(PB)
TUNER AUDIO SIGNAL
TUNER VIDEO SIGNAL
D E
I-11
F G
R621
R642
5.6K +-1%
22K 1/4W
R614
5.6K 1/4W W856
D604
11ES1N
C665
SW
1 F Q607
1.7 1.8 0 2.1 2.6 5.1 2.6 0.4
2SC2412K
20 21 22 23 24 25 26 27 0.3
R653
0 AFC_OFF
4.7K 1/4W
RAMP VCC OUT
B.AKB 0
VER HDR HDR
C/D SHIFTER
SW
VER PHASE
SEP
AFC2
VER
R645
P.CON+9V_A
AFC1
390 1/2W
CLAMP
C/D
COLOR
HDR
SW
ALC SW
+
LPF Q614
1/256
DTC114EKA
0
VCO S102Y S102X
DC ADS. TV_POWER_H
HDR
D610
1H DELAY
0 1SS133
CLAMP
FBP
35 34 33 32 31 30 29 28
0 0 0 8.5 4.9 0.9 0 1.1
W972
M.P.OFF_H_A
R656
3.3K 1/4W
RECORD LUMINANCE SIGNAL R.SIGNAL
G.SIGNAL
RECORD COLOR SIGNAL
B.SIGNAL
PLAYBACK COLOR SIGNAL
PLAYBACK LUMINANCE SIGNAL
F G
H
8
FROM/TO SOUND AMP
POWER_FAIL[DC]
SOUND+B
SOUND_GND
7
FROM/TO DEFLECTION
CD820 (CP820)
CH2E014A
SOUND +B 1
SOUND GND 2
H_OUT
H.OUT 3
C691
6
GND 4
P.CON+5V_A 330P CH
P.CON+5V A 5
V_OUT
V.OUT 6
ACL 7
HD
L001
H.PULSE 8
KR16TT281807D
TV_POWER_H
TV POWER H 9
POWER_FAIL[DC]
POWER FAIL[DC] 10
VD
V.PULSE 11
VCR_POWER_H
VCR POWER H 12
DEGAUSS_H
DEGAUSS H 13
NC 14
5
TO CRT
CD850 (CP805)
CH25090A
GND 5
CUT OFF 4
G.OUT
G.OUT 3
R.OUT
R.OUT 2
B.OUT
B.OUT 1
L006
HF57T18.5*10*10
4
FROM/TO 21PIN I/O
C697
W887
TU_AUDIO
TU_AUDIO-L_A
W844
1 B
GND
3
HD
FROM/TO T'TEXT
GND
TEXT_B
TEXT_G
TEXT_R
TEXT_Y
TEXT_SYNC
2
PWB010
VMX199
1
H