Y/C/Audio/Head Amp Schematic Diagram (Hv-Gx950K - Aiwa HV-GX950 K Service Manual

A B
8
FROM/TO SYSCON/SERVO/TIMER
VV-H
V.H_SW
PICTURE_CTL
NA_REC-H
DUMMY_V.SYNC
SYNC
A_MUTE/TRICK-H
7
IIC_DATA
IIC_CLK
ENV.DET
CTL+
CTL-
HIFI_H.SW/VV-H
6 FROM/TO 21PIN/OSD/VPS
2FSC
SWD_VIDEO_IN
EE/VV_V_OUT
SWD_A_IN-L
FROM/TO TUNER/HIFI
NORMAL_A_IN
5
NORMAL_A_OUT
FROM POWER
AT+5.8V
P.CON+5V
GND
4
FROM/TO CYL
CP4001_1 TOC-C04X-B1
3
SP-R
4 SP-CH1 (R)
SP_COM
3 SP COM
SP-L
2 SP-CH2 (L)
1 NC
FROM/TO A/C HEAD
2
CP4002
52045-0645
1 AE HEAD(+)
2
AE HEAD(-)
CTL-
3
CTL-
CTL+
4 6
CTL+
5 AUDIO REC
6 AUDIO PB
TO F/E HEAD
CP4003
1
TMC-T02X-E1
1 FE HEAD(GND)
2 FE HEAD(HOT)
A B
C
Y/C/AUDIO/HEAD AMP SCHEMATIC DIAGRAM
H.SW
V.ENV R4033
TP4001 TP4002 1K
NC NC
Y/C/AUDIO/CCD/H.AMP
C4011
IC4001
HA118217F
0.001 B
5
2.5
V.H_SW
C4016 2.5
0.033 B C4025 2.1
1.4
50V 3.3 KA
ENV.DET
C4014 0.1 B
0.1
C4017 0.01 B 2.3
SP-L
C4018 2.3
C4029
SP_COM
0.01 B
0.01 B 2.3
L4004
C4019
C4030 2.3
10uH
SP-R 6.3V 47 KA
0405
0.01 B
5.1
P.CON+5V C4020
0.1 B
C4096 0
0
0.01 B 0
0
C4026 3.4
C4097
L4006
0.01 B 5.0
50V 1 KA
P.CON+5V
1mH 0
NC
5.0
R4007
1.9
A_MUTE/TRICK-H
1K 2.5
R4011
8.2K
C4033 R4012
6.3V 22 KA
C4035
1 6
5.4 5.7
220P B
PB SW
2 5
OSC
5.7 Q4005
Q4004 3 4
DTA124EKA
2SD734 L4005
1626008
5.2
R4005
5.5 0.6
10K
R4038
0
C4008
NORMAL AUDIO
2.2K
0.0047 B
REC ST SW 0
Q4003
2SD734
C
D E
(MODEL:HV-GX950K)
(SYSCON PCB)
3
4
NC
NC
2.1 2.8 4.7 2.1 2.1 1.7 1.7 1.9 2.1 2.5 2.8 1.4 5.0 5.0 5.0 2.2 4.2 3.2 3.0 5.0
0
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60
C GND
DO KIL CVCC
VCA
X TAL VCO/OSD CR DET 2FSC SERIAL CONT
INTERFACE
LIMITTER HEAD SW1 LEVEL DET1
2FSCVCO FH SYNC
HEAD SW2 TANC P
KILLER
SW26 R
DET OUT LEVEL DET2
COLOR
ME SW25
KILLER
COMP PB/REC REC REC PB
SECAM DL R
ENV DET ID DET
DISCRI AFC APC APC
HPF DET
DET
HA GND DET
1/2 DOWN 1/2 ACC APC DELAY CLPH
+ SP2 CONV. DET SW
2FL VCO PHASE SW SW24
P
SW32 SP2
R
-
4PHASE GEN
SW33 MAIN
SW30
SP1
SW28 CONV1
SW29
- CH2 SW20
P SW23
SP CTL TRAP
SW34 2M LPF
ACC P
+ HPF
R FHTRAP
CH1
SW35 SP1 SEP R
EP
HPF
HA VCC
VCA L SECAM COMP SW19
SW27
EP2
MIX
+
SW31 C.K B.E
SW18
LEVEL P
SW36 EP2
CH2 L SECAM
LPF ADJ TRAP
- REC
+ R
MUTE
SW37
P SW7
EP1 CH1 SQPB
S
629 FM P
-
DL G
FROM TRAP AGC EQ
SW38 EP1
R EQ DO EDGE
MESECAM
+
SQPB DET DELAY
DET
DET
SW39
DLIM
1M HPF
NL NL
+
EMPH DE EMPH
DEMO
DET
SW4 SW5
7M HPF
AVCC
P SW2 FBC/ALC
SUB LPF
LAG LERD
PRE R
SW14
LPF SW10
AMP VCA
MAIN REC
MAIN
DE EMPH DO
P
FM MOD EMPH R P R
CARRIER
OFFSET
Y LPF SW12
MUTE FO/DEV W.C/DC
SW9
ADJ R P
SW6
REC EQ
BAND S-DET
CLAMP
SW11
GAP
3
A.GND 2 1 YVCC
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
0
2.5 2.5 0 2.5 2.8 2.5 2.6 2.5 2.5 2.5 5.0 1.5 1.5 2.6 0.7 0.6 2.2 3.2 2.7 2.4 2.1 3.1 2.1 1.5 2.1
NC NC
180
R4042
3.9K
C4028
0.022 B
R4017
PB SW 7
5.6K
Q4006
0
+-1%
2SC2274K
R4015
0.7
5.2
4.7K
0
PB SW
Q4007
2SC2274K 0
R4016
SWD_A_IN-L
0.7
4.7K W887
0 NOTE:
0
R4052
5.0
HIFI_H.SW/VV-H
VV MUTE SW
Q4009
22K
2SC2412K 0
D E
I-17
F G
1
2
2.1 0.1 3.3 2.8 2.1 2.0 2.8 2.7 0
59 58 57 56 55 54 53 52 51
R4045
0.4
NTSC/PAL
N-P CONT
6dB AMP 6dB AMP 100
OUT 0
CCD
-
LPF C SQUELCH SYNC.SEP.
0
0
+
PULSE
CLEAR SYNC 2.0
GEN
C.K LMIT
0
CLPH WHAITH
CCD
SQUELCH
N P
GND
C4086
MAIN 2.6
CONV2
FEED BACK
+ B.D 0.01 B
CLAMP
SW22 5.2
P
VIDEO ALC
R
R
3.8
P SW21
BPF
5.2
CLOCK
DEIVER
5.2
3.5
C Y
CCD CCD
5.2
SW17
P
Y APA
0.1
MODE
SW16 R
CONT
R D.E. CCD L4015
5.2
P.CON+5V
REC
N.C. VCC=5V
AGC DEL
100uH
P 3.3 3.2
PB ALC
2.5
STILL SW
0
VIDEO AGC SW115
Q4011 SECAM_L/SP.STILL
YNR CH3 CH1
2SA1037AK
DO 0
CH2 3.2
ATT ATT ATT
0
(-10dB) (-10dB) (-10dB)
SW15
CLAMP
2.8
SWD_VIDEO_IN
LPF
P R
YGND AGC
22 23 24 25 26 27 28 29 30
R4051
0 2.7 1.7 2.8
10
0
5.0
V.AGC SW
0
Q4008
DTC144EKA
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
THE DC VOLTAGE AT EACH PART WAS
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
V V: THE PICTURE ON SCREEN APPEARS DURING PLAYBACK.
F G
H
8
7
6
SYNC
5
4
CAUTION: DIGITAL TRANSISTOR
3
CAUTION: DIGITAL TRANSISTOR
VV-H
RECORD LUMINANCE SIGNAL
2
RECORD COLOR SIGNAL
PLAYBACK LUMINANCE SIGNAL
PLAYBACK COLOR SIGNAL
AUDIO SIGNAL(PB)
AUDIO SIGNAL(REC)
1
PCB010
VM9150
H