Sony DVP-K800D Service Manual ▷ View online
DVP-K800D
3-5. SYSTEM CONTROL BLOCK DIAGRAM
3-9
3-10
MB-78 BOARD
IC804
L G/A
157
CLAP SW0
CTS
124
CN801
TO/FROM
RF/SERVO
BLOCK
ERROR
IC506 98
DBSO
110
DBSI
45
DIAGN
125
SSSD
52
ERROR
15
FON
17
BUSY2
14
SCKG3
46
SDEN
48
TILT/H
13
ACHUCK
27
ATRAY
28
DVD LD ON
2
CD LD ON
3
DOUT CTL
158
TOFC1
141
TOFC2
142
CD/DVD
4
NST
7
SP CTL0
9
SP CTL1
8
SP GC1
22
SP GC2
10
OPN/CLS
5
S12V OFF
19
TRAY FREE
18
2
3
5
TXD
RXD
DIAGN
CTS
NORF
106
DFCT
105
MUTE
104
MD2
103
FWON
102
DCR INT
63
DCR CS
62
DCR WT
64
IWR
57
IRD
56
ARP INT
60
ARP CS
59
ARP WT
61
LOCK
16
SOG3
47
EESI
53
AV WT
66
AV CS
65
OH SYNC
140
H SYNC
127
MLT
50
DCS
49
PD CLK
118
27M VE
115
VS
152
VSI
37
AVCK
114
VCS
36
IC801
EEPROM
4
SK
5
DI
6
DO
1
R/B
8
WC
3
CS
EBSY
55
EWC
54
ECS
51
FON
BUSY2
SSSD
CN452
9
SCKG3
SDEN
TILT/H
ACHUCK
ATRAY
DVD LD ON
CD LD ON
TOFC1,2
CD/DVD
NST
IC303
7
SP CTL0
SP CTL1
SP GC1
SP GC2
OPN/CLS
IC361 17
S12V OFF
IC361
2
TRAY FREE
IC361 13
NORF
IC806 51
DFCT
IC806 50
MUTE
IC806 110
MD2
IC806 112
FWON
IC806 55
DCR INT
IC811 46
DCR CS
IC811 43
DCR WT
IC811 47
IWR
IRD
ARP INT
IC806 80
ARP CS
IC806 81
ARP WT
IC806 83
LOCK
IC806 53
S12V OFF
Q001
IRD
IC203 63
IWR
IC203 64
DOUT CTL
IC208
1
AV WT
IC203 65
AV VS
IC203 68
OH SYNC
H SYNC
IC252 16
SOG3
IC209
9
MLT
IC209
7
DCS
IC251 29
13.5M
IC252 11
27M VE
IC204
2
VS
CN252
7
IC251 31 ,
IC207 12
IC251 98 ,
VSI
IC252 48
AVCK
IC252 45
VCS
IC252 44
TO/FROM
VIDEO
BLOCK
TO
POWER
BLOCK
IC806 57
IC811 44 ,
IC806 56
IC811 45 ,
IC303
9
IC303
8
IC303 11
IC303 10
IC506 100
IC506
4
CN452 10
CN452 11
CN452 25
CN452 22
CN452 23
CN452
7
CN452 16
IC452
9
IC503
6
IC452 15 ,
10
FOR
CHECK
12
5
.
27
23
.
25
4
28
3
A0
A16
31
.
2
.
.
.
26
.
91
84
99
92
8
83
HA19
76
HA20
75
HA21
HA0
HA7
HD0
HD7
HA19
HA20
HA21
11
4
3
2
.
42
34
.
.
13
15
17
21
.
DQ0
DQ15
17
.
15
19
.
21
.
24
.
26
.
28
.
30
.
18
.
16
20
.
22
.
25
.
27
.
29
.
31
.
I/O0
I/O7
A0
A18
16
IC802
1M SRAM
8
17
1
IRQ6
29
WE
24
OE
22
CE1
12
CE
43
WE
14
OE
19
16
IC803
8M FLASH
74
XWR
73
XRD
8
HA0
HA8
9
11
14
16
19
.
64
1
8
3
5
63
.
.
.
HD0
HD7
OE
29
DIR
28
IA0-8
41
36
33
.
IA0
IA8
38
53
50
44
.
52
.
ID0
ID7
IC807
S G/A
61
CK
55
SDO
56
SCLK
57
CG CS0
25
SDI
24
SCKI
23
CSI
IC805
SH
4
11
13
.
14
.
16
.
21
30
32
42
44
39
.
41
.
A0
A21
47
23
12
.
.
HD0
HD15
16
CS0
48
CS1
49
WR
57
RD
59
CK
71
WAIT
56
CS6
55
IRQ7
2
IRQ3
69
RXD0
107
RXD1
109
TXD0
108
78
CPCK
67
XWAIT
72
XCS6
71
XIRQ7
68
XIRQ3
69
SIG1
70
SIG2
108
SOG1
123
MRST
74
XTAL
73
EXTAL
X801
20MHz
HA0-21
HD0-15
133
XSH INT
132
XIF BSY
109
IF SO
44
IF SI
ID0-7
9
9
FROM
MODE CONT
BLOCK
63 56
59 62 . 64 67
41 34
IC506
IC806
IC811
70 73 . 75 78
31 26
IC806
IC811
ID0-7
54 47
IC203
IA0-8
9
45 43 . 39 34
IC203
TO/FROM
RF/SERVO
BLOCK
TO/FROM
VIDEO
BLOCK
BLOCK
27M GA
IC206
3
SO
IC207 25
SI
IC604 22
SCLK
IC207 24
CGCS0
IC207 26
SCLK
IC604 24
CG CS
IC604 28
97
HFG
63
SDP RST
54
MRST
98
XRST
67
AV DRQ
HFG
IC303 27
ACK
IC506
3
SDP RST
IC506 84
MRST
IC811
54
XRST
IC806 84
SCKG1
IC604 20
TO/FROM
MODE CONT
BLOCK
66
AV INT
68
V SYNC
53
CS4
110
TXD1
111
SCK0
MRST
IC207
5
AV DRQ
IC203 58
AV INT
IC203 59
V SYNC
IC207 13
DAC RST
IC209 10
SOG2
IC252 47
,IC203 69
IF SI
IC604 19
IF SO
IC604 18
XIF BSY
IC604 16
XSH INT
IC604 54
MA MUTE
CN252 20
SRST
IC604 31
TO
AC3
BLOCK
TO
VIDEO
BLOCK
BLOCK
TO/FROM
RF/SERVO
BLOCK
1
82
BUS GATE
SCKG3
IC209
8
IC251 30 ,
147
OTASUKE
,IC203 57
IC251 93 ,IC252 10 ,CN101
8
A MUTE
D102
8
V SYNC
IC604 53
SDSP WR
IC506 71
SDSP WR
77
SDSP RD
58
SDSP RD
IC506 70
8
SOG3
CN252 16
SCKG3
CN252 19
D2LT
117
D2LT
CN252 18
TO
AC3
BLOCK
.
113
SCKG2
SCK1
112
SCKG4
CN101 9
134
SCKG4
DDLT1
CN101 13
136
DDLT1
DDLT2
CN101 14
137
DDLT2
DDLT3
CN101 15
138
DDLT3
GAIN6
CN101 16
116
GAIN6
SOG4
IC102 16
135
SOG4
TO/FROM
AC3
BLOCK
DLT
IC102 15
139
DLT
SCKG4
IC102 14
143
SCKG4
MRST
IC102 10
DRERR
IC102 24
6
DRERR
DC3D
IC101 14
130
DC3D
TON
IC101 13
151
TON
BST
IC101
7
155
BST
ACS
IC101
6
34
ACS
SCKG2
IC101
4
113
SCKG2
EXLOCK
IC101
2
154
EXLOCK
FS
IC101 29
153
FS
ACSI
IC104 44
35
ACSI
KADT SEL
IC101 62
144
KADT SEL
,CN101 11
,CN101 8
,IC104
13
8
8
8
59
XRST
IC251 97 ,IC252 15
64
A MUTE
65
MA MUTE
60
BACK
79
RES
62
BREQ
SOG2
IC101
5
AC3 RST
IC101
1
DAC RST
IC101 63
156
CLAP SW1
146
CLAP BSY
145
KRDY
43
KSI
38
KLT
15
25
23
22
24
13
12
11
CLAP SW0
OTASUKE
CLAP SW1
CLAP BSY
KRDY
KSI
KLT
XKDPRSY
CN702
TO
AC3
BLOCK
TO/FROM
AUDIO
BLOCK
BLOCK
KR-35 BOARD
CN502
D801
IC805
&¢
DVD/CD
4.6 Vp-p
20 MHz
(Page 3-3)
(Page 3-15)
(Page 3-5)
(Page 3-13)
(Page 3-3)
(Page 3-5)
(Page 3-11)
(Page 3-13)
(Page 3-3)
(Page 3-5)
(Page 3-11)
(Page 3-13)
(Page 3-7)
DVP-K800D
3-6. MODE CONTROL BLOCK DIAGRAM
3-11
3-12
F+
93
100
1
.
MB-78 BOARD
IC604
I/F MYCON
30
FLCS
SO
22
SI
IC807 25
SCLK
24
CGCS
28
REFV
53
SCK
20
RESET
31
TX
19
RX
18
INTMS
16
IFCS
54
VIDEO MUTE
25
AUDIO MUTE
26
RESET
77
V SYNC
IC805 68
IF SI
IC804 44
SRST
IC805 79
SCLK
IC807 24
CGCS
IC807 23
SCKG1
IC805 111
IF SO
IC804 109
XIF BSY
IC804 132
XSH INT
IC804 133
V MUTE
CN252
8
AUDIO MUTE
D101
P MUTE
D103
P CONT
CN001
1
IC605
P CONT
33
1
3
RESET
EVER +5V
XIN 83
XOUT 82
X601
4MHz
TO/FROM
SYSCON
BLOCK
TO
VIDEO
BLOCK
TO
AC3
BLOCK
TO
POWER
BLOCK
SI
43
AD4
44
AD5
45
AD6
57
CW
58
CCW
59
IR
55
STBY CONT
IC606
1
3
85
92
AD0
AD7
14
.
13
IC601
EEPROM
21
23
25
29
.
17
.
18
.
3
.
4
.
7
.
8
.
2
.
3
31
.
1
.
12
.
4
.
5
.
11
.
10
.
6
.
7
.
15
.
12
16
.
19
.
2
.
5
.
6
.
9
.
4
A19
C
11
9
ALE
8
AD0-7
8
20
13
A0
A7
OE
32
CE
30
7
1
2
IC602
IC603
SOCKET
D0
D7
A8
A18
10
OE
A8
A18
10
11
12
16
17
18
5
6
8
CN601
SCLK
FLCS
AD4
AD5
AD6
CW
CCW
IR
FL-106 BOARD
10
11
12
16
18
15
5
6
8
CN101
15
32
35
.
S1
S19
IC101
DISPLAY DRIVER
SI
6
SCLK
8
FLS
9
50
JOG
44
37
REMOTE
CONTROL
RECEIVER
REG 5V
OPEN/
CLOSE
S123
S122
S116
S117
TILTLE
S121
RETURN
S119
DNR
S101
S112
S111
S115
S114
JOG
S118
DVD
MENU
S120
1
LED
DRIVE
Q401
3
IC401
SI
SCLK
FLCS
AD4
AD6
AD3
CW
CCW
IR
D401
EVER 5V
DC-DC
CONV.
CONV.
FLUORESCENT
INDICATOR TUBE
ND101
F-
34
VFD
D121
REG+5V
G2
G8
9
7
1
2
4
6
CN103
LEFT
DOWN
ENTER
UP
RIGHT
CW
CCW
SW
BLOCK
8
16
MIC1
CN702
MIC1
73
MIC2
MIC2
74
MIC CONT
MIC CONT
38
ECHO CONT
ECHO CONT
39
3
41
AD3
71
IC
20
AC3
15
AD3
T101
Q115,117
JOG
LED
DRIVE
G1,8
S10-19
S10-19
Q101-114
17
S106
S105
S107
S108
S109
S104
S102
VOCAL
SUPPORT
S103
AD5
S401
VOCAL
AUTO
PAUSE
VOCAL
SELECT
GUIDE
MEMORY
S110
RESERVE
1
3
9
8
6
4
2
CN301
20
AC3
Q116
LED
DRIVE
D127
AC3
4
2
4
2
CN102
CN401
FR-156 BOARD
KARAOKE
PON
KARAOKE
START
ON/
STANDBY
8
8
29
28
27
26
TO
AUDIO
BLOCK
BLOCK
KR-35 BOARD
CN502
IC604
*£
DVD/CD
5.6 Vp-p
4 MHz
(Page 3-9)
(Page 3-5)
(Page 3-7)
(Page 3-14)
(Page 3-15)
DVP-K800D
3-13
3-14
3-7. AC3 BLOCK DIAGRAM
MB-78 BOARD
IC102
DIR
11
13
15
17
.
25
24
21
.
2
.
26
10
3
.
.
1
.
FROM
VIDEO
BLOCK
384FS 2CH
IC205
3
SPDIF AC3
IC203 111
768FS
IC205
8
SCKG4
IC804 134
DDLT1
IC804 136
DDLT2
IC804 137
DDLT3
IC804 138
GAIN6
IC804 116
SCKG4
IC804 143
23
DATA
SWDT
16
D IN
1
SOG4
IC804 135
DLT
IC804 139
DR ERR
IC804
6
MRST
IC805 54
SCLK
14
XLAT
15
ERROR
24
XMODE
10
SOG2
IC805 110
AC3 RST
IC805 62
DC 3D
IC804 130
TON
IC804 131
BST
IC804 155
ACS
IC804 34
DATA6
58
SCKG2
IC804 113
EX LOCK
IC804 154
KADT SEL
IC804 144
FS
IC804 153
ACSI
IC804 35
DAC RST
IC805 53
TO/FROM
SYSCON
BLOCK
21
BCK
22
LRCK
15
DATA2
IC101
M G/A
BCK6
60
LRCK6
59
SO2
5
17
BCK2
16
LRCK2
21
DATA F9
19
BCK9
20
LRCK9
22
DATA R9
23
DATA C9
ARST
1
XRST
63
DC 3D
14
TON
13
BST
7
ACS
6
SCK2
4
XLOCK
2
KDT SEL
62
768FS
9
DATA4
52
DATA F
25
IC104
AC3 DECODER
35
DATA F8
DATA R
26
34
DATA R8
DATA C
25
33
DATA C8
BCK
24
36
BCK8
LRCK
23
37
LRCK8
SD1
19
43
DATA5
BCK1
18
44
BCK5
LRCK1
17
45
LRCK5
SD2
22
39
DATA7
BCK2
21
40
BCK7
LRCK2
20
41
LRCK7
HCLK
41
28
SCK2
HD IN
43
27
SO2
HCS
42
26
ACS
BST
45
25
BST
EXLOCK
11
30
XLOCK
XRST
1
31
ARST
EXT
2
47
384FS
FS1
13
29
FS
HD OUT
44
DATA3
51
BCK3
50
LRCK3
49
KR DATA O
KR DATA I
KR BCK
KR LRCK
89
85
82
.
81
.
92
91
.
.
64
55
52
.
50
67
66
.
.
D0
D7
A0
A14
8
8
15
.
A0
A14
I/O0
I/O7
48
WE
47
CE
WE
27
CE
20
IC105
256K SRAM
1
CN101
TO
AUDIO
BLOCK
384FS 2CH
SCKG4
DDLT1
DDLT2
DDLT3
GAIN6
MRST
SOG4
DAC DATA
DAC BCK
DAC LRCK
DD DATA
DD BCK
DD LRCK
DD DATA R
DD DATA C
9
13
14
15
16
8
11
3
5
4
21
17
19
23
25
7
384FS DAC
SOG2
SCKG2
KADT SEL
768FS
KR DATA O
KA DATA I
KR BCK
KR LRCK
CN702
18
16
14
9
1
3
5
7
AUDIO MUTE
CN252
16
19
18
20
17
D101
D103
D102
SOG3
IC804 47
FROM
SYSCON
BLOCK
SCKG3
IC804 46
D2LT
IC804 117
MA MUTE
IC805 65
A MUTE
IC805 64
P MUTE
IC605
3
AUDIO MUTE
IC604 26
FROM
MODE CONT
BLOCK
SOG3
SCKG3
D2LT
MA MUTE
16
AU-217 BOARD
CN203
TO
AUDIO
BLOCK
AU-217 BOARD
CN201
TO
AUDIO
BLOCK
KR-35 BOARD
CN502
(Page 3-7)
(Page 3-7)
(Page 3-7)
IC101
9
DVD
36.86 MHz
2.8 Vp-p
@
IC101
$¶
DVD
IC104
2
DVD
18.432 MHz
3 Vp-p
18.43 MHz
3.2 Vp-p
(Page 3-5)
(Page 3-9)
DVP-K800D
3-15
3-16E
3-8. POWER BLOCK DIAGRAM
MB-78 BOARD
L002
REG +5.2V
FL003
1
8
.7
CN001
F005
L006
FL007
L007
FL008
F006
L001
FL005
FL001
L005
FL002
L004
FL006
FL008
D002
3
5
EVER +5.3V
REG +3.3V
P CONT
D+5V
S+5V
DP+5V
A+5V
AU+5V
EVER+5.3V
EVER+5V
D+3.3V
TK-47 BOARD
OPTICAL
PICK-UP
BLOCK
BLOCK
KHS-180A/JIN
21
CN001
CN002
DET LED
SVC
VCC
DVD
DIGITAL
SERVO
IC006
58
VPA
29
VPB
28
VC
CD
APC RF
20
VCC
16
VC
IC005
CHUCK
SENSOR
PH001
16
VCC
IC001
SW
1
27
CN302
CN008
4
22
.
8
25
.
24
4
.
3
S+5V
SVC
FL004
Q002
SWITCH
2
7
5
4
CN002
M +12V
AU +12V
AU -12V
REG -10V
ON/OFF
SWITCH
Q001
F001
F002
F003
F004
MTR1 +12V
MTR2 +12V
SPDL +12V
SLD +12V
S12V OFF
VCC
8
IC301
SP ERROR AMP
V+
8
IC455
TI ERROR AMP
VDD
16
IC452
SEL
V+
8
IC501
AMP
V+
4
IC502
AMP
3
1
V+
4
IC503
AMP
V+
8
IC508
AMP
DVCC
16
IC506
DSP
FL501
DVCO
55
DVCO
67
DVCC
83
DVCC
97
AVCC
27
AVCC
30
AVCC
39
AVCC
48
AVCC
52
VRB0
51
VRB1
44
VRB2
43
VRB3
36
VRT0
50
VRT1
45
VRT2
42
VRT3
37
VRT5
28
V+
8
IC507
VR DET
5
1
7
FL502
PVCC
10
FOCUS/TRACKING
COIL DRIVER
IC363
PVCC
19
PRE VCC
28
PVCC
4
LOADING/TILT
MOTOR DRIVER
IC361
PVCC
10
PRE VCC
11
VCC2
16
SPINDLE
MOTOR DRIVER
IC303
VCC1
25
VCC1
24
SLED
MOTOR DRIVER
IC302
VCC2
1
1
IC812
REG
FL806
VCC
115
IC806
ARP
5
4
FL804
VCC
123
VDD2
18
VCCA2(A3.3V)
20
VCCA3
26
VCCA4
39
VCCC(D3.3V)
5
LVCC
44
FL805
LVCC
58
LVCC
79
LVCC
85
LVCC
95
LVCC
105
LVCC
130
LVCC
140
LVCC
148
LVCC
155
LVCC
165
IC810
4M DRAM
VCC
1
VCC
6
VCC
22
IC203
AV DEC
FL202
VDD
25
VDD
40
VDD
42
VDD
61
VDD
71
VDD
79
VDD
93
VDD
104
VDD
118
VDD
127
VDD
135
VDD
143
VDD
151
PLL VDD
156
VDD
159
VDD
6
VCC
5
IC208
BUFFER
VCC
1
IC201
16M SDRAM
IC202
FL201
VCC
7
VCC
13
VCC
25
VCC
38
VCC
44
CN001
VCC
14
IC101
VCC
13
DECRYRT
VCC
33
VCC
53
VCC
73
IC811
FL803
VDD
1
IC804
L G/A
FL801
VDD
20
VDD
40
VDD
81
VDD
100
VDD
120
S12V OFF
19
VCC
2
IC801
EEPROM
FL807
VCC
23
IC803
8M FLASH
VCC
15
IC805
SH
VCC
32
IC802
1M SRAM
VCC
43
VCC
70
VCC(VPP)
77
VCC
83
VCC
84
AVCC
85
AVREF
86
VCC
99
VDD 13
9
IC807
S G/A
FL802
VDD 13
21
VDD 13
26
VDD 13
31
VDD 13
43
VDD 13
58
VDD 13
62
IC604
I/F MYCON
FL601
EVER 5V
23
EVER 5V
34
EVER 5V
35
EVER 5V
84
P CONT
33
VCC
8
IC603
SOCKET
VCC
20
IC601
BUFFER
VCC
9
IC602
BUFFER
VCP
3
IC209
PLL
VCA
13
VDD
22
FL211
VCC
22
IC207
OSD
VCC
8
IC204
INV
VCC
14
IC205
CLOCK
FL208
FL212
AVCC
27
VCC
14
IC206
CLOCK
ADVD
44
IC251
DNR
FL251
VDD0
28
VDD1
37
VDD2
59
VDD3
68
VDD5
99
XVRST
7
IC252
FL252
VDD
12
VDD
42
VDD
81
VDD
96
AVDD1
57
VIDEO
ENCODER
AVDD2
65
AVDD3
73
FL254
4
9
25
21
23
2
1
4
CN252
D+5V
A+5V
AU+5V
AU+12V
AU-12V
REG-10V
CN601
REG+5V
EVER+5V
6
FOR
CHECK
D+5V
CN801
22
VCC
2
IC352
OPTICAL
DIGITAL
OUT
+5V
16
IC351
VIDEO D/A
AU-217 BOARD
L351
SW
Q214
3
1
IC217
VCC
20
IC215
2CH D/A
V+
8
V-
4
1
+9V
REG
3
IC202
2
-9V
REG
3
IC201
IC206
3
5
1
AU-12V
AU+12V
AU+5V
CN201
17
A+5V
VCC
15
VCC
9
VDD
8
V+
8
V-
4
IC207
MIX AMP
LINE AMP
D+5V
SW
1
5
V+
8
V-
4
IC001
HP AMP
FL-106 BOARD
HP-116 BOARD
MC-115 BOARD
2
CN101
REG+5V
DISPLAY
DRIVE
VCC
33
VCC
45
LED
DRIVE
FL101
EVER+5V
L101
3
REMOTE
CONTROL
RECEIVER
IC401
Q401
D401
4
JOG
D121
DC-DC
CONV.
CONV.
T101,Q115,117
1
-10V
FLUORESCENT
INDICATOR
TUBE
ND101
F+
F-
16
PS
BLOCK
V+
8
IC606
AMP
4
CN702
6
D+5V
D+5V
AC3
DECODER
IC104
VDD
3
VDD
28
VDD
33
VDD
53
VDD
78
VDD
83
VCC
28
IC105
256k SRAM
FL101
M G/A
IC101
+3.3V
24
+3.3V
42
+3.3V
53
+5V
10
+5V
48
+5V
61
FL104
FL103
VDD
4
IC102
DIR
VCC
20
IC203
L,R D/A
VCC
15
VCC
9
VDD
8
VCC
20
IC204
SL,SR D/A
VCC
15
VCC
9
VDD
8
VCC
20
IC205
C,SW D/A
VCC
15
VCC
9
VDD
8
VCC
8
VEE
4
IC253
SW
V+
8
V-
4
IC214
HP AMP
V+
8
V-
4
IC208
V+
8
V-
4
IC211
MIX AMP
LINE AMP
V+
8
V-
4
IC209
V+
8
V-
4
IC212
MIX AMP
LINE AMP
V+
8
V-
4
IC210
V+
8
V-
4
IC213
MIX AMP
LINE AMP
3
2
CN204
5
2
CN205
6
AU+9V
AU-9V
AU+5V
AU+9V
AU-9V
AU+9V
AU-9V
AC3
D127
Q114
D102,104,106,108
D110,112,114,116,119
CN102
5
1
REG +5V
EVER +5V
5
1
CN401
FR-156 BOARD
KR-35 BOARD
IC508
DSP
FL001
L502
CN502
24
26
D+5V
D+5V
AVDD
6
VDD1
11
VDD1
18
VDD2
53
VDD3
66
VDD4
77
VDD5
84
VDD6
97
AVD1
50
AVD2
23
AVD3
22
AVD4
41
AVD5
32
FL002
4
6
7
AU+5V
AU+9V
AU-9V
CN503
IC505
AMP
VCC
8
IC503
MROM
VDD
1
V+
8
V-
4
IC501
AMP
V+
8
V-
4
IC507
AMP
V+
8
V-
4
IC517
AMP
4
9
8
CN501
AU+5V
AU-9V
AU+9V
4
9
8
CN842
ECHO
RV804
5
4
CN842
CN841
V+
8
V-
4
IC804
AMP
V+
8
V-
4
IC806
AMP
VR-68 BOARD
5
6
CN101
V+
8
V-
4
IC102
MIC AMP
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