Aiwa_hv_gx900k.pdf

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SERVICING NOTICE
A
B
C
D
E
F
G
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8
OPERATION SCHEMATIC DIAGRAM
8
(MODEL:HV-GX900K/HV-GX950K)
7
7
6
6
(OPERATION 1 PCB)
(OPERATION 2 PCB)
5.1
0
5
5
OTPB SW
5.1
Q601
DTA143ES
TO DISPLAY
CD601(CP651)
R601
3.3K
R602
2.7K
R603
3.9K
R604
6.8K
R605
13K
FROM/TO DISPLAY
1
2
3
KEY A
CD602(CP652)
CH25082A
1
2
3
4
5
CH.UP_SW
GND
OTPB
CH.UP_SW
AT+5V
GND
CH23042A
4
C601
470P B
4
R606
1.5K
KEY-A
R608
3.3K
R609
2.7K
3
PCB270
PCB280
3
VE9861
VE9864
2
2
CAUTION: DIGITAL TRANSISTOR
CAUTION: DIGITAL TRANSISTOR
NOTE: THE DC VOLTAGE AT EACH PART WAS
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
MEASURED WITH THE DIGITAL TESTER
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
DURING PLAYBACK
1
1
A
B
C
D
E
F
G
H
I-2
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A
B
C
D
E
F
G
H
DECK SCHEMATIC DIAGRAM
8
(MODEL:HV-GX900K/HV-GX950K)
8
LOADING MOTOR
M101
7
7
(DECK PCB)
S105
6
5.1
6
0
BOT SENSOR
S106
Q101
RPT-38PB113
S101
S102
S103
S104
5
5
FROM/TO SYSCON/SERVO/TIMER
CP101(CP1004)
52044-0445
1
2
3
4
FROM/TO SYSCON/SERVO/TIMER
CP102(CP1001)
173979-2
4
5.1
4
2
VCC
1
EOT
0
EOT SENSOR
Q102
RPT-38PB113
PCB550
VE8851
3
3
2
2
CAUTION:
SINCE THESE PARTS MARKED BY
ARE
NOTE: THE DC VOLTAGE AT EACH PART WAS
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
CRITICAL FOR SAFETY,USE ONES
MEASURED WITH THE DIGITAL TESTER
DESCRIBED IN PARTS LIST ONLY
DURING PLAYBACK
1
1
A
B
C
D
E
F
G
H
I-3
LDM+
LDM-
BOT
VCC
14864121.034.png 14864121.045.png 14864121.056.png 14864121.067.png
A
B
C
D
E
F
G
H
8
Y/C/AUDIO/HEAD AMP SCHEMATIC DIAGRAM
(MODEL:HV-GX900K)
8
(SYSCON PCB)
FROM/TO SYSCON/SERVO/TIMER
VV-H
V.H_SW
3
PICTURE_CTL
NA_REC-H
DUMMY_V.SYNC
SYNC
A_MUTE/TRICK-H
1
7
IIC_DATA
IIC_CLK
ENV.DET
7
4
2
CTL+
CTL-
HIFI_H.SW/VV-H
H.SW
V.ENV
R4033
1K
TP4001
TP4002
NC
NC
C4011
0.001 B
Y/C/AUDIO/CCD/H.AMP
FROM/TO 21PIN/OSD/VPS
IC4001
HA118217F
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
2.1
0.1
3.3
2.8
2.1
2.0
2.8
2.7
0
0
6
6
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
5
2.5
2.5
2.1
1.4
0.1
2.3
2.3
2.3
2.3
5.1
2FSC
R4045
100
V.H_SW
C GND
DO
KIL
CVCC
0.4
SYNC
NTSC/PAL
N-P CONT
OUT
VCA
SWD_VIDEO_IN
EE/VV_V_OUT
C4016
0.033 B
X TAL VCO/OSD CR DET 2FSC
SERIAL CONT
INTERFACE
6dB AMP
6dB AMP
0
LIMITTER
HEAD SW1
LEVEL DET1
2FSCVCO
FH SYNC
CCD
LPF
HEAD SW2
TANC
P
C4025
3.3
-
KILLER
DET OUT
C SQUELCH
SYNC.SEP.
0
SW26
R
LEVEL DET2
COLOR
KILLER
ID DET
ME
SECAM
DET
SW25
DL
ENV.DET
50V
KA
COMP
PB/REC REC
AFC
REC
APC
PB
APC
R
0
+
ENV
DET
DET
C4014 0.1 B
HPF
DISCRI
PULSE
GEN
CLEAR SYNC
2.0
HA GND
DET
FROM/TO TUNER/HIFI
C4017 0.01 B
1/2
DOWN
CONV.
1/2
ACC
DET
APC
SW
DELAY CLPH
C.K
LMIT
WHAITH
0
SP-L
CLPH
+ SP2
CCD
2FL VCO
PHASE SW
SW24
R
SQUELCH
N P
SW32
SW33
SW34
SW35
SP2
P
GND
TU_V_OUT
C4018
0.01 B
C4086
0.01 B
SP_COM
C4029
0.01 B
C4030
0.01 B
C4096
-
MAIN
2.6
4PHASE GEN
CONV2
FEED BACK
CLAMP
TU_A_OUT
NORMAL_A_IN
NORMAL_A_OUT
SP1
SW30
MAIN
CONV1
+
B.D
5.2
SW28
SW22
SW29
-
CH2
L4004
10uH
0405
SW20
P
P
R
SW23
R
VIDEO ALC
C4019
47
SP
2M LPF
CTL TRAP
P
R
SP-R
P.CON+5V
6.3V
KA
+
ACC
HPF
FHTRAP
3.8
P
SW21
5
5
CH1
SP1
SEP
COMP SW19
R
BPF
EP
C4020
0.1 B
HPF
5.2
HA VCC
VCA
L SECAM
SW27
CLOCK
DEIVER
0
0
0
0
+ EP2
5.2
MIX
LEVEL
ADJ
SW31
C.K
B.E
SW18
P
SW36
EP2
CH2
L SECAM
LPF
TRAP
3.5
-
REC
MUTE
C
CCD
Y
CCD
SW37
+
R
0.01 B
P
R
SW7
FROM POWER
EP1
-
CH1
629
TRAP
FM
AGC
P
EQ
S
DL
SQPB
SQPB
5.2
SW17
FROM
MESECAM
DET
G
EQ
P
R
SW38
EP1
DO
DET
EDGE
DELAY
Y APA
0.1
+
AT+5.8V
P.CON+5V
DET
SW16
MODE
CONT
SW39
C4026
1
DLIM
R
CCD
L4015
100uH
3.4
5.0
D.E.
C4097
0.01 B
5.2
P.CON+5V
1M HPF
NL
EMPH
NL
DE EMPH
REC
+
N.C.
VCC=5V
GND
AGC DEL
L4006
1mH
DET
DEMO
50V
KA
3.3
3.2
P.CON+5V
SW4 SW5
P
PB ALC
7M HPF
AVCC
P
SW2
FBC/ALC
2.5
SUB LPF
STILL SW
0
LAG LERD
VIDEO AGC
SW115
0
SECAM_L/SP.STILL
PRE
R
Q4011
2SA1037AK
NC
SW14
LPF
SW10
AMP
VCA
YNR
CH3
CH1
CH2
MAIN
DE EMPH
REC
5.0
1.9
2.5
MAIN
EMPH
CARRIER
OFFSET
W.C/DC
0
DO
DO
FM MOD
P
R
P
R
3.2
4
4
A_MUTE/TRICK-H
R4007
1K
ATT ATT ATT
(-10dB) (-10dB) (-10dB)
0
Y LPF
SW12
MUTE
FO/DEV
S-DET
SW15
SW9
CLAMP
R
P
ADJ
C4089
1B
2.8
REC EQ
SW6
SWD_VIDEO_IN
CAUTION: DIGITAL TRANSISTOR
BAND
GAP
SW11
CLAMP
LPF
PR
A.GND
3
2
1
YVCC
YGND
AGC
1
2
3
4
5
6
7
8
9
10
11 12 13 14 15 16 17 18 19
20 21 22 23 24 25 26 27 28 29
30
2.5 2.5
0 2.5 0 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
0 2.7 1.7 2.8
R4011
8.2K
C4033
22
R4012
180
FROM/TO CYL
6.3V
KA
CAUTION: DIGITAL TRANSISTOR
CP4001_1
TOC-C04X-B1
3
4
SP-CH1 (R)
SP-R
SP_COM
SP-L
C4048_1
0.1 B
3
3
SP COM
2
SP-CH2 (L)
R4022
12K
1
NC
0
5.0
VV-H
0
V.AGC SW
Q4008
DTC144EKA
C4098
470P CH
FROM/TO A/C HEAD
C4028
0.056 B
RECORD LUMINANCE SIGNAL
RECORD COLOR SIGNAL
PLAYBACK LUMINANCE SIGNAL
PLAYBACK COLOR SIGNAL
2
CP4002
52045-0645
1
2
3
4
5
6
C4035
220P B
R4017
5.6K
+-1%
2
1
2
3
6
5.4
5.7
PB SW
PB SW
7
AE HEAD(+)
5
Q4006
2SC2274K
5.7
OSC
Q4005
DTA124EKA
0
AUDIO SIGNAL(PB)
Q4004
2SD734
4
AE HEAD(-)
R4015
4.7K
AUDIO SIGNAL(REC)
CTL-
CTL+
L4005
1626008
0.7
CTL-
5.2
5.2
R4005
10K
6
TUNER VIDEO SIGNAL
CTL+
0
5.5
0.6
PB SW
AUDIO REC
R4038
2.2K
0
C4008
0.0047 B
Q4007
2SC2274K
AUDIO PB
0
NORMAL AUDIO
REC ST SW
R4016
4.7K
0
SWD_A_IN-L
TO F/E HEAD
Q4003
2SD734
0.7
0
W887
CP4003
TMC-T02X-E1
1
2
0
NOTE: THE DC VOLTAGE AT EACH PART WAS
R4052
22K
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
VV MUTE SW
5.0
HIFI_H.SW/VV-H
MEASURED WITH THE DIGITAL TESTER
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
1
FE HEAD(GND)
FE HEAD(HOT)
1
Q4009
2SC2412K
DURING PLAYBACK
0
V V: THE PICTURE ON SCREEN APPEARS DURING PLAYBACK.
PCB010
VM9150
A
B
C
D
E
F
G
H
I-7
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A
B
C
D
E
F
G
H
FROM/TO POWER
SYSTEM CONTROL/SERVO/TIMER SCHEMATIC DIAGRAM
(MODEL:HV-GX900K)
8
HEATER_SW
HEATER_SW
8
(AC)
CAP_HI-H
(SYSCON PCB)
POWER_FAIL
POWER_FAIL
CAP_VCO
AT+5V-A
D1007
1N4005E
AT+5.8V
POWER_ON-H
AT+12.6V
P.CON+5V
D1006
1SS133
(S/S)
GND
(CYL)
GND
7
7
GND
GND
(CAP)
(LDM)
IC1001
BA6955AN LOADING MOTOR DRIVER
D1010
1SS133
FROM/TO Y/C/A/H.AMP
CONTROL LOGIC
STD
VV-H
V.H_SW
PICTURE_CTL
NA_REC-H
DUMMY_V.SYNC
SYNC
A_MUTE/TRICK-H
POWER
NC
NC NC
NC
NC
NC
NC
SAVE
5.0
0.3
0
0
0.1
5.0
0
0
1.2
0
5.0
2.5
2.5
0.1
0
0
4.8
0
2.1
0.7
1.4
1.4
5.1
5.1
1.3
2.2
0.3
0.3
0
2.3
GND
SERVICE
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
5.0
0
0
0
0
4.8
5.0
2.3
2.3
0
1.4
1.2
5.0
0
0
0
0
0
0
0
8
TP1002
TP1001
0.1
R1057
220
C1039
47
12.0
0
0
0
0.1
0
0.1
12.0
NC
SERVICE_1
SYSTEM_SELECT
NC
D1009
1SS133
5.6
C1031
0.1 B
6.3V
KA
SP.STILL
A VCC
5.2
C1040
0.1 B
FF/REW SW
6
NC
NC
NC
AMP VCC
Q1006
DTC124EKA
6
2.5
C1024
C1030
0.1 B
IIC_DATA
IIC_CLK
ENV.DET
D1002
1N4005E
CTL AMP OUT
0
4.9
1 AFT SC
AGC DET
29
NA_REC-H
0
NC
CTL VSS
0.0039 B
C1029
R1029
33K
30
VV-H
2
3 EOT
2.6
0
0
CLKSEL
AMP C
C1023
10
4.9
C1011
18P CH
C1012
18P CH
2.6
10
16V KA
VCC
X IN
X OUT
CTL AMP IN
0
16V
KA
C1035
0.1 B
0
FF/REW SW
15
R1005
4.7K
CTL SW OUT
Q1007
DTC124EKA
FROM/TO DECK
R1021
470
R1058 560
R1059 560
0
R1061
TAB_SW
SYSCON/SERVO/TIMER
CTL +
CTL+
CP1004(CP101)
52045-0445
1
2
3
4
IC1002
OEC7035A
0
CTL-
HIFI_H.SW/VV-H
VSS
XC IN
XC OUT
CTL -
10K
C1037 0.001 B
C1036
16
C1013
18P CH
2.6
Vcc
BOT
AMP V.IN
C1006
0.1 F
2.6
C1027
47
50V
4.7
KA
5
LM-
LM+
AMP V.OUT
5
LDM-
0
6.3V
KA
C1014
18P CH
R1022
100
LDM+
RESET
AMP VSS
R1065
1K
C1004
0.001 B
C1005
0.001 B
2.1
CYL_FG
CYL_PG
NC
BGDK-H
78 CYL CTL
DFG
51 POWER ON-L
0.7
R1063
1K
NC
NC
79
80
REEL-S
REEL-T
DPG
C1042
1
R1025
100
52
53 OTP
NC
R1062
1K
I/O_S.DATA/VCR-H
2.6
CAP_FG
I/O CTL
LDM FWD
LDM RVS
CFG
9
10
11
R1064
1K
50V
KA
LDM.F
0.4
SYNC
C SYNC
LDM.R
0
NC
4.2
POWER_FAIL
NC
REC LED
P.FAIL
FROM/TO DISPLAY
0
NC
RGB_ON-H
NC
REMCON
FL_S_CLK
REEL-S
5.0
51 52 53 54 55 56 57 58 59
60 61 62 63 64 65 66 67 68 69
70 71 72 73 74 75 76 77 78 79
80
4
0
4
R1004
120
NC
NC
5.0 1.5
0 0
0
0 5.1
0 0 2.5
NC
0 4.0 5.0
0 5.0 5.0 5.0 5.0 3.0 3.0
0
0
0 1.9 2.5 1.8
0 5.0
C1033
0.0056 B
FL_SD_IN
FL_SD_OUT
NC
NC
NC
NC
NC
NC
R1011
1K
PICTURE_CTL
2.4
1.2
1.2
1
2
1
2
0
CLOCK
FL_CS
KEY-A
CH.UP_SW
NC
C1019
1F
18
TP1003
REEL-T
OTP
4
3
4
3
12
13
0 5.0
0
5.0
AT+5V
17
FROM/TO DECK
C1002
470P B
3
CP1001(CP102)
CH22076A
1
2
3
EOT
EOT
Vcc
CYL_CTL
CYL_FG
CYL_PG
FROM/TO MICRO MOTOR
R1041
3.3K
SYSTEM RESET
R1054
4.7K
2
CP1002_1 52045-0545
R1039
3.3K
C1017
0.1
IC1004 RE5VS31A
2
W807
11.6
11.7
5
CYL DRIVE
CAUTION: DIGITAL TRANSISTOR
CYL VCO SW
CAPSTAN AFC SIGNAL
4
CYL GND
CYL FG
CYL +B
CYL PG
LED SW
Q1008
2SB926
10.5
B
CAP_LIMIT
CYLINDER APC SIGNAL
3
Q1003
2SC2412K
10.5
5.0
1.2
4.9
4.9
0
5.0
2
CYLINDER AFC SIGNAL
R1034
4.7K
POWER_ON-H
5
6
7
8
IN
GND
OUT
1
5.0
5.2
1.3
0.8
5.0
SDA SCL TEST VCC
4.5
1
2
3
2
3
2
3
CYL SW
5.2
0
5.1
CP1003
TMC-J08P-B1
1
2
3
4
5
6
7
8
Q1009
2SC2412K
MOS_SEN A
FROM/TO
GND
1
4
1
4
Q1005
GP1S94L
CAPSTAN DD UNIT
MOTOR GND
0.8
1.4
0.5
1.4
VSS
A2
A1
A0
I LIMIT
MS_SEN B
4
3
2
1
V V: THE PICTURE ON SCREEN APPEARS DURING PLAYBACK.
CAP_CTL
1
CTL
SENS_LED
Q1004
GP1S94L
0
0
0
0
1
VCO(12V)
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
FG
CAP_FG
F/R
NOTE: THE DC VOLTAGE AT EACH PART WAS
CAUTION:
SINCE THESE PARTS MARKED BY
ARE
NOTE:
THE RESISTOR MARKED F IS FUSE RESISTOR.
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
PCB010
VM9150
W806
CAP.M F/R
MEASURED WITH THE DIGITAL TESTER
CRITICAL FOR SAFETY,USE ONES
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
DURING PLAYBACK
DESCRIBED IN PARTS LIST ONLY
VCC(5V)
IS NON POLAR ONE.
A
B
C
D
E
F
G
H
I-8
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A
B
C
D
E
F
G
H
21PIN/OSD/VPS SCHEMATIC DIAGRAM
8
(MODEL:HV-GX900K)
8
(SYSCON PCB)
AT+12V
VCR 10V
OUT
9.9
Q4502
2SA933S
7
W828
9.2
7
9.9
VCR SW
0
Q4503
DTC124EKA
I/O_S.DATA/VCR-H
0
9.6
R4529
100
TV-L/VCR-[10V]
6
6
R4819
47
RF_CONV.V
DC CLAMP
5.2
Q4801
2SC2412K
1.7
W847
OSD_VIDEO_OUT
EE/VV_V_OUT
C4804
22
2.1
2.6
BUFFER
5
6.3V
KANP
1.8
Q4802
2SA1037AK
5
L4801
100uH
P.CON+5V
0
W886
2
4
6
8
10
12
14
16
18
20
L4802
100uH
C4820
47
1
3
5
7
9
11
13
15
17
19
21
6.3V
KA
NC
NC
NC
NC
NC
NC
W878
R4513
2.7K
4
PERI_A_OUT-L
L4504
22uH
R4503
560
4
5.1
5.1
5.1
5.1
4.8
NC
2.0
NC
2.8
5.1
0.4
NC
1.7
0
1.71
24
23
22
21
20
19
18
17
16
15
14
13
PERI_A_IN-L
TV-L/VCR-[10V]
L4507
22uH
R4508
2.7K
3
1
2
3
4
5
6
7
8
9
10
11
12
C4503
470
R4507
68
3
0
2.69 5.19
NC
0.2
0
NC
0.2
2.5
0
NC
0.1 4.95 4.94
5.16
16V
YK
SWD_VIDEO_IN
R4525
100
L4806
33uH
W851
W852
OSD_VIDEO_OUT
2
RECORD LUMINANCE SIGNAL
RECORD COLOR SIGNAL
PLAYBACK LUMINANCE SIGNAL
PLAYBACK COLOR SIGNAL
AUDIO SIGNAL(REC)
AUDIO SIGNAL(PB)
2
CAUTION: DIGITAL TRANSISTOR
V V: THE PICTURE ON SCREEN APPEARS DURING PLAYBACK.
1
PCB010
VM9150
1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
NOTE: THE DC VOLTAGE AT EACH PART WAS
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
A
B
C
D
E
F
G
H
I-9
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