8.3.
TIMER SECTION IN MAIN SCHEMATIC DIAGRAM
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
R
HEATER (+)
1
2
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
31
32
33
34
35
36
37
38
39
40
41
44
45
DP7501
A2BD00000057
F+
F+
P1
P2
P3
P4
P5
P6
P7
P8
NC
P9
P10
P11
P12
P13
P14
P15
P16
P17
P18
NC
NC
NC
NC
NC
NC
NC
NC
NC
1G
2G
3G
4G
5G
6G
7G
NC
NC
F-
F-
R7510
820
D7501
MA4220NM
C7502
50V10
HEATER DC (-)
P
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
31
32
33
34
35
36
S DATA
S CLOCK
CS
A3
A2
A5
A4
VSS
OSC
VCC
G1
G2
G3
G4
G5
G6
G7
S18
VEE
S17
S16
S15
S14
S13
S12
S11
S10
S9
S8
S7
S6
S5
S4
S3
S2
S1
IC7501
M35502AFP
R7509
100
R
FIP -29V
C7503
12P
R7513 30K
R7515 30K
R7514 30K
C7504
6V100
CH UP
S7504
EVQ11404M
R7506
4300
CH DOWN
S7502
EVQ11G07K
R7503
4300
REC
S7501
EVQ11G07K
R7502
5600
R
N.SW 5V
S
S
S
S.DATA
S.CLOCK
FIP CS
P :TO POWER TRANSFORMER SECTION
R :TO POWER SUPPLY/RF SECTION
NOTE:DO NOT USE PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR
ORDERING.WHEN YOU ORDER A PART,PLESE REFER TO PARTS LIST.
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE.
ON
SP
STB
REC
CH
S-VHS
OFF
SLP
CVC VP EP
ET
REMAIN
S :TO SYSTEM CONTROL & SERVO SECTION
R7508
68
R
GND
STOP
S7515
EVQ11L07B
R7501
8200
R7538
12K
S7513
EVQ11L07B
TIMER
REC
FF
S7514
EVQ11G07K
PAUSE
S7503
EVQ11404M
R7505
5600
R7504
8200
PLAY
S7511
EVQ11L07B
R7537
12K
S7512
EVQ11G07K
REW
EXT
LINK
S7510
EVQ11G07K
R7519
4300
EJECT
S7505
EVQ11L07B
R7536
5600
R7516 30K
R7517 10K
R7518 10K
R7533 22K
S
SAFETY TAB
R7511
820
C7501
0.01
1
2
3
3
1
2
5
4
C7509
6800P
BACK UP 5V
S
RESET
S
P.FAIL
S
R
S
POWER KEY
C7511
0.1
C7510
0.01
D7503
RB441PT-77
R7535
10K
C7508
6V220
R7534
180
C7507
VCE0073
OUT
VDD
GND
CD
RST
VDD
VSS
IC7504
C0EBH0000218
S7507
K0C111A00003
R7521
22K
IC7503
C0EBE0000211
SAFETY
TAB
VCR
ENR
EXT
N
Link
:TO Hi-Fi AUDIO SECTION
A
5.0
4.9
2.4
5.2
5.2
5.2
5.2
2.3
5.2
-24.8
-24.8
-24.8
-24.8
-24.8
-24.8
-24.8
-29.4
-29.4-29.4
-29.4
-14.3
-24.1
-24.3
-19.0
-24.1
-24.3
-24.3
-29.0
-24.3
-28.5
-28.1
-29.4
-28.3
-29.0
-28.3
-28.4
(RESET)
(RESET)
5.2
5.2
4.4
0
4.9
4.9
R7523
12K
R7522
8200
R7512
0
A
POWER SW
R7507
68
5
4
SCT SW
A
NC
A
DNR SW
S7509
EVQ11L07B
A.DUB
L
L
L
L
NV-HS880EG/B/EC/EE
TIMER SECTION SCHEMATIC DIAGRAM
39
Summary of Contents for NV-HS880EG
Page 16: ...4 REMOVAL OF THE MAIN C B A Remove Screw F Remove 4 Screws G Unlock 2 Tabs H Fig D5 16 ...
Page 23: ...3 3 8 CIRCUIT BOARD LAYOUT 23 ...
Page 26: ...10 2 CASING PARTS SECTION 26 ...
Page 27: ...10 3 PACKING PARTS SECTION 27 ...
Page 28: ...11 REPLACEMENT PARTS LIST 11 1 CHASSIS PARTS SECTION PARTS LIST 28 ...
Page 41: ...D7501 MAZ4220NMF DIODE MAVD 41 ...
Page 43: ...K7301 ERJ6GEY0R00V M RESISTOR CH 1 10W 0 D0GBR00JA017 43 ...
Page 46: ...Q1104 2SD1992A R TRANSISTOR 46 ...
Page 48: ...R0715 ERJ3GEYJ223 M RESISTOR CH 1 16W 22K 48 ...