DVR-RT502-S
33
5
7
8
5
6
7
8
C
D
F
A
B
E
D3003
1SS133
D3002
1SS133
IC3099_1
AT24C08AN-10SU-2.7
EEP ROM IC
1
2
3
4
8
7
6
5
JG3003
EPP ROM WRITE
JG3004
EPP ROM WRITE
JG3012
H8 WRITE
JG3005
H8 WRITE
JG3011
H8 WRITE
JG3010
H8 WRITE
JG3009
H8 WRITE
JG3008
H8 WRITE
JG3007
H8 WRITE
JG3006
H8 WRITE
IC3002
PST3231NR
SYSTEM RESET IC
1
2
3
4
5
IC3001
OEC0161A
SYSCON/TIMER/SERVO IC
R3038
10K
R3034
47K
R3037
18K
R3040
1K
R3045
3.3K
R3047
3.3K
R3050
4.7K
1/4W
R3052
4.7K
R3054
4.7K
R3053
10K
R3051
10K
R3041
3.3K
R3042
3.3K
R3046
22K
R3043
330K
R3039
22K
1/4W
R3049
4.7K
R3005
4.7K
C3057
0.1 F
C3053
0.0015
B
C3054
1B
C3049
0.1
F
C3042
0.1
B
C3056
0.1
F
C3055
100P
CH
C3052
0.1 F
C3051
0.047F
5.5V
C3050_1
220
6.3V
YK_P
C3046_1
10
25V
KA_P
Q3007
RT1P431C
CH A MUTE SW
C3040_1
0.47
50V
KA_P
TP3001
H.SW
MP_DATA_IN
REEL-T
REEL-S
AUDIO_MUTE-H
MP_DATA_OUT
V.REC_ST-H
MP_CLK
SDA
SCL
MPEG_DATA
MPEG_CLK
CH_MUTE-H
H.SW
TV/VCR
DUMMY_V.SYNC
RF_SW
C_SYNC
V.REC_ST-H
C.ROTARY
FRONT_S_SW
AUDIO_MUTE-H
TAB_SW
CTL-
CTL+
H.AMP_SW
FL_DATA
COMP
FL_CLK
ENV.DET
FL_CS
H.SW
Y/C_CS
FIP_ON-L
Y/C_DATA
MPEG_RESET
Y/C_CLK
VADDIS_INT
4FSC
VCR_V_OUT
REM_IN
MPEG_P_ON-H
RF_SW
P_MUTE-L
REAR_S_SW
SD_H
VCR-H
POWER_FAIL
SCL
SDA
AFT-S.CURVE
TV/VCR
AFT-S.CURVE
HIFI_ENV.DET
ST_SELECT
KEY-A
HIFI_ENV.DET
KEY-B
HIFI_H.SW
P_ON-L
AUDIO_MUTE-H
SCL
SDA
ST_SELECT
V.REC_ST-H
KEY-A
KEY-B
ENV.DET
MS_SEN-A
5V
MS_SEN-B
VCR_V_OUT
REM_IN
AT+5.2V
BOT
EOT
FL_CS
FL_CLK
SCL
SDA
FL_DATA
FRONT_S_SW
AT+5.2V
RESET
5V
MP_DATA_IN
MP_DATA_OUT
MD0
RESET
FWE
5V
MP_CLK
FROM/TO Y/C/AUDIO/HEAD AMP
PCB010
DMF077
4.8
4.8
0
VSS
A2
A1
A0
SDA
SCL
TEST
VCC
0
0
0
0
5.2
FROM/TO Hi-Fi/DEMODULATOR
FROM/TO TUNER/JACK
FROM/TO DISPLAY
NC
NC
0
0
0
0
0 3.3 0.2 5.1 4.6 4.6 4.6 5.1
0
5.0
4.1
5.0
4.9
5.0
0
4.9
4.7
0
3.3
5.0
4.4
5.1
0
0
0
5.0
0
5.1
0
0
3.5
2.3
5.1
5.1
4.8
0
5.1
5.1
4.8
4.8
0.1
0.1
5.1
0
0
NC
NC
NC
OUT
IN
GND
0
5.0
5.0
NC
DRIVE ON-H
TAB SW
FRONT S SW
POWER ON-L
V.REC ST-H
VCC (BACK UP)
RF SW
TV/VCR
54
55
REM IN
VADDIS INT
VADDIS RESET
FL MUTE
FL CS
FL DATA
FL CLK
KEY-C
VADDIS IIC CLK
VADDIS IIC SDA
IIC CLK
IIC SDA
VADDIS D IN
VADDIS D OUT
VADDIS CLK
STEREO SEL
JUST CLK
REEL S
REEL T
POWER FAIL
KEY-A
KEY-B
BOT-H
V ENV
AVCC (BACK UP)
VSS (GND)
29
56
30
MS SEN-A
MS SEN-B
EOT-H
HiFi ENV
AFT S.CURVE
MPEG5V ON-H
SD_JUDGE
NC
0
5.0
5.1
MPEG P ON-H
NC
NC
NC
NC
NC
NC
NC
NC
NC
CH_MUTE-H
AUDIO MUTE-L
72
71
70 69
68
67
66
65
64
63 62
61 60 59
58 57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
NOTE:
THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
1/7
A
3/7
A
6/7
A
5/7
A
A
2/7
www. xiaoyu163. com
QQ 376315150
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TEL 13942296513
9
9
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Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299