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GRID CONTROL SIGNAL PATH SEGMENT CONTROL SIGNAL PATH
1 (A33)



DP7501 A2BD00000040

MODE SW S2001 EVQWJCA01 (A18) (A20) (A19) R2001 100 4 3 2 1 PP6301 (A24) (A23) (A22) (A21) (A25) (A26) (A17) D7502 MAZ4220N0F C7505 35V10 <5.0V> 1 2 3 4 5 6 7 SHUTTLE1 SHUTTLE2 SHUTTLE3 SHUTTLE4 GND JOG A JOG B

SYSTEM CONTROL & SERVO ICs VOLTAGE CHART (SP MODE)
Ref.No. MODE STOP PLAY REC F.F REW Ref.No. MODE STOP PLAY REC F.F REW Ref.No. MODE STOP PLAY REC F.F REW Ref.No. MODE STOP PLAY REC F.F REW Ref.No. MODE STOP PLAY REC F.F REW Ref.No. MODE STOP PLAY REC F.F REW Ref.No. MODE STOP PLAY REC F.F REW Ref.No. MODE STOP PLAY REC F.F REW Ref.No. MODE STOP PLAY REC F.F REW 1 14.4 14.3 14.3 14.1 14.1 1 0.8 0.8 0.8 0.8 0.8 21 0 0 0 0 0 41 4.8 4.8 4.8 4.9 4.8 61 0 0 0 0 0 81 0 0 0 0 0 1 4.9 4.9 4.9 5.0 5.0 1 3.6 2 14.4 14.3 14.3 14.1 14.1 2 0 0 0 0 0 22 0 0 0 0 0 42 0 4.8 4.8 0 0 62 0 0 0 0 0 82 0 0 0 0 0 2 4.9 4.9 4.9 5.0 5.0 2 3.8 3 14.7 14.6 14.6 14.5 14.5 3 2.4 2.3 2.3 2.3 2.3 23 0 0 0 0 0 43 0 0 0 0 0 63 0 0 0 0 0 83 0 0 0 0 0 IC6002 3 0 0 0 0 0 3 2.5 4 1.1 1.1 0.8 0.8 1.1 4 0 0.3 0.3 0.3 0.4 24 0 0 4.7 0 0 44 4.4 4.6 0 2.9 2.9 64 0 0 0 0 0 84 4.1 4.1 4.1 4.2 4.2 4 0 0 0 0 0 4 4.9 5 5.0 5.0 5.0 5.0 5.0 5 0 0 0 0 0 25 4.8 0 4.8 0 4.8 45 4.4 4.6 0 2.9 2.9 65 2.5 2.7 2.5 3.7 3.7 85 0 0 0 0 0 5 0 0 0 0 0 5 4.9 6 1.0 1.0 1.0 1.0 1.0 6 4.9 4.9 4.9 4.9 4.9 26 0 0 0 0 0 46 0 0 0 0 0 66 0 0 0 0 0 86 2.4 2.4 2.4 2.5 2.5 1 4.9 4.9 4.9 4.9 4.9 6 0 7 1.0 1.0 1.0 1.1 1.1 7 4.8 4.7 4.8 4.7 4.6 27 0 0 0 0 0 47 1.3 1.3 1.3 1.3 1.3 67 0 0 0 0 0 87 2.4 2.4 2.4 2.5 2.5 2 0 0 0 0 0 7 0 8 0.5 0.4 0.4 0.4 0.5 8 4.7 4.7 4.6 4.5 4.5 28 0 0 0 0 0 48 2.1 2.0 2.0 2.1 2.1 68 3.5 3.4 4.1 4.1 3.7 88 0 0 0 0 0 IC6003 3 4.9 4.9 4.9 4.9 4.9 8 0 IC2501 9 10 2.3 1.3 2.3 1.3 2.3 1.3 2.4 1.3 2.3 1.3 IC6001 9 10 1.0 0 1.6 0 0 0 0.8 0 3.5 0 IC6001 29 30 0 0 0 0 0 0 0 0 0 0 IC6001 49 50 0 2.2 0 2.2 0 2.2 0 2.2 0 2.2 IC6001 69 70 3.5 3.7 3.4 3.7 3.6 3.7 3.9 4.0 3.7 3.8 IC6001 89 90 0 1.1 0 1.1 0 0.8 0 1.1 0 0.8 11 0 0 0 0 0 11 0 4.6 4.6 4.8 4.8 31 4.8 4.8 4.8 4.8 4.8 51 4.2 4.2 4.2 4.2 4.2 71 3.7 3.7 3.6 3.7 3.6 91 2.4 2.4 2.4 2.5 2.5 1 1.1 1.1 1.1 1.1 1.1 IC7501 9 10 2.3 4.9 11 -24.7 12 3.8 3.8 3.8 3.8 3.8 12 4.9 4.9 4.8 4.9 4.9 32 0 0 0 4.8 4.9 52 2.2 2.2 2.2 2.2 2.2 72 3.5 3.5 3.5 3.6 2.5 92 2.4 2.4 2.4 2.5 2.5 2 2.2 2.2 2.2 2.2 2.2 12 -25.0 13 3.8 3.8 3.8 3.8 3.8 13 0 0 0 0 0 33 0 0 0 0 0 53 5.0 5.0 5.0 5.0 5.0 73 2.4 2.4 2.4 2.5 4.8 93 0 0 0 0 0 IC6004 3 5.0 5.0 5.0 2.2 2.3 13 -25.1 14 3.9 3.8 3.8 36.8 3.8 14 4.9 4.9 4.9 4.9 4.9 34 0 4.8 4.8 4.8 4.9 54 2.1 2.1 2.1 2.0 2.0 74 0 0 0 0 4.5 94 2.4 2.4 2.9 2.4 2.4 4 0 0 0 0 0 14 -25.0 15 -24.9 15 0 0 0 0 0 15 4.8 4.8 4.8 4.7 4.8 35 1.5 1.5 1.5 1.5 1.6 55 1.5 1.5 1.5 1.5 1.4 75 0 0.3 0.3 4.5 4.8 95 2.4 2.4 2.1 2.4 2.4 16 14.4 14.3 14.3 14.2 14.0 16 0 0 0 0 0 36 1.5 1.5 1.5 1.5 1.6 56 1.9 1.9 1.9 1.9 1.9 76 0 2.4 2.4 4.8 2.3 96 2.4 2.4 2.4 2.4 2.4 1 0 0 0 0 0 16 -24.9 17 4.8 4.8 4.8 4.8 4.8 37 4.8 4.8 4.8 4.8 4.9 57 0 0 0 0 0 77 2.3 2.3 2.3 2.3 5.0 97 2.4 2.3 2.4 2.4 2.5 2 1.1 1.1 1.1 1.1 1.1 17 -24.9 18 38 58 0 0 0 0 0 78 4.9 4.9 4.9 5.0 2.2 98 4.9 4.9 4.9 5.0 5.0 IC6005 3 5.0 5.0 5.0 2.3 2.3 18 -18.5 19 0 0 0 0 39 59 0 0 0 0 0 79 0.1 5.0 5.0 2.3 2.7 99 4.9 4.9 4.9 5.0 5.0 4 0 0 0 0 0 19 -29.8 20 -29.6 20 0 0 4.7 0 0 40 0 0 0 0 0 60 0 0 0 0 0 80 5.0 5.0 5.0 2.3 5.0 100 4.8 4.8 0 4.9 4.9

VCR

VHS

CH

CVC

SP

ON OFF REMAIN

F+ F+ 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 F44 F 45 -

TO JOG SHUTTLE PS6301 (A-4)

R7512 15 R7504 100

R7510 820

(A32) (A28) (A29) (A31) (A33)

TRACK ENV SQPB/SE/VHS T S CURVE HE + HE UNREG -29V

V V A P P

IC7501 M35502AFP-E1
36 S1 35 34 S2 S3 33 S4 32 S5 31 S6 30 S7 29 S8 28 S9 27 S10 26 S11 25 S12 24 S13 23 S14 22 S15 21 S16 20 S17 19 VEE

<6.0V> C7503 0.1

P NSW UNREG 6V A

S DATA

S CLK

OSC

VCC

VSS

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

S18

CS

G1

G2

G3

G4

G5

G6

G7

A3

A2

A5

A4

<5.0V>

<6.4V> R1305 12P D1301 MA4075N R1303 R1304 470 470 470 <5.0V>

(B10)

220

C7501

R7503 10K

(B5)

R7508

R7507 220

Q6001 2SD601A (REG.) Q2001 2SC1959YT2M (REG.)
D6008 MA165TA5VT D6005 MA165TA5VT C1304 0.01

C6019 0.01 R1301

1500

<6.0V> <5.0V> (B11)

Q7602 2SD1994A (NSW 5V)
R1302 1800

TW6003

TW6002

R7505 12K R7506 12K C7502 0.1 C7504 6V100

Q3010 2SC1959YT2M (V.REG.)

D1302 MA4056N

C1301 6V47

Q2002 2SD601A (REG.)
L2001 68u

2

C1303 0.01 R1351 470 <5.0V>

Q1341 2SD1996 (REG.)

<12.0V>

D1341 MA4130N

<5.0V> <5.0V> <5.0V>

C1342 25V4.7

Q4007 2SC1959YT2M (TU.REG.)

C1352 6V47

C1341 <5.0V> SEARCH S7503 EVQ11L07B PICT S7504 EVQ11G07K INSERT S7514 EVQ11L07B A DUB S7501 EVQ11G07K R1342 10K <5.0V> R1341 10K

0.01 UNREG 6V UNREG 38V UNREG 38V <5.0V> <12.0V> V/A 5.0V VIDEO 5.0V TUNE 5.0V 12.0V P P A V V A V

<5.0V>

D1351 MA4056N

21 -18.5

22 -20.0

23 -14.0

24 -14.0

25 -19.0

26 -14.5

27 -14.6

28 -14.0

IC7501 29 30 -18.6 -15.0

31 -15.0

32 -15.5

33 -24.4

34 -20.0

35 -10.5

36 -15.0

SYSTEM CONTROL & SERVO TRANSISTORs VOLTAGE CHART (SP MODE)
Ref.No. MODE STOP PLAY REC F.F REW Ref.No. MODE STOP PLAY REC F.F REW Ref.No. MODE STOP PLAY REC F.F REW E 12.2 12.3 12.3 12.5 12.5 E 6.4 6.4 6.4 6.4 6.4 E 0 0 0 0 0 Q1341 C 14.7 14.7 14.7 14.5 14.5 Q6001 C 7.7 7.7 7.7 7.6 7.6 QR2001 C 0 0 0 1.6 1.6 B 12.9 12.9 12.9 13.2 13.2 B 7.0 7.0 7.0 7.1 7.1 B 4.8 4.8 4.8 0 0 E 5.0 5.0 5.0 5.0 5.0 0 0 0 0 0 E 0 0 0 0 0 Q2001 C 5.7 5.9 5.8 6.1 6.0 Q6002 + 4.7 4.7 4.7 4.7 4.7 QR6002 C 12.9 12.9 12.9 13.2 13.2 B 5.7 5.8 5.8 5.7 5.7 E 5.0 5.0 5.0 5.1 5.1 0 0 0 0 0 B 0 0 0 0 0 Q2002 C 5.7 5.9 5.8 6.1 6.1 Q6003 + 4.8 4.8 4.8 4.8 4.8 B 5.7 5.7 5.7 5.8 5.8 E 5.0 5.0 5.0 5.0 5.0 E 5.0 5.0 5.0 5.0 5.0 Q3010 C 5.6 5.8 5.7 6.0 6.0 Q7602 C 5.9 6.1 6.0 6.3 5.9 B 5.7 5.8 5.7 5.7 5.7 B 5.7 5.7 5.7 5.7 5.7 E 5.0 5.0 5.0 5.0 5.0 E 2.0 2.7 2.0 2.0 2.0 Q4007 C 5.6 5.8 5.7 6.0 6.0 Q7701 C 0 0 0 0 0 B 5.7 5.7 5.7 5.7 5.7 B 1.4 2.1 1.5 1.5 1.4

R7501 150K

R7502 1800

<5.0V>

REC S7507 EVQ11G07K

T. REC S7506 EVQ11L07B

CH DOWN S7505 EVQ11G07K

CH UP S7508 EVQ11404M

STOP S7509 EVQ11404M

PAUSE/ STILL S7510 EVQ11L07B

PLAY S7511 EVQ11G07K

R7521 R7515 (B40) (B41) (B39) (B36) 3 (B33)

3900 3900

R7514 R7517

3600 3600

R7516 R7519

5100 5100

R7518 9100



IMPORTANT SAFETY NOTICE: COMPONENTS IDENTIFIED WITH THE MARK HAVE THE SPECIAL CHARACTERISTICS FOR SAFETY. WHEN REPLACING ANY OF THESE COMPONENTS USE ONLY THE SAME TYPE.

9

10

11

12

NV-SJ550AM SYSTEM CONTROL & SERVO / TIMER IN MAIN SCHEMATIC DIAGRAM