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P :TO POWER SUPPLY/RF SECTION(Page:58) S :TO SYSTEM CONTROL & SERVO SECTION(Page:60)

VIDEO MAIN SIGNAL PATH IN REC MODE

VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE

AUDIO MAIN SIGNAL PATH IN REC MODE

AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE

H

I :TO INPUT/OUTPUT SECTION(Page:64) T :TO TIMER SECTION(Page:59) P I I I S S N.SW 12V VIDEO IN 2 VIDEO IN 1 TUNER VIDEO ART V/H/N C SYNC C4037 2700P R4045 6800 R4047 6800 C4043 2700P

A6 A5 A4 A3 A2 A1

C4034 16V47 T4002 EQQ7QF024P:HD642 EQQ7QF026P:HD647 3 4

C4035 0.1

R4060 8200:HD642 10K:HD647 (HD647)

C4062 0.1

R4044 82K

C4070 220P

C4038 16V47 3.9 32 31

C4039 16V10 0.8 30

C4040 50V2.2 3.9 29 V REF.

R4046 39K 3.8 28 I REF.

C4041 16V10 0.8 27 A GND 26

C4042 16V47 3.9 25 3.9 24

R4048 82K

C4008 0.1

G

P4003 (TO A/C HEAD) AUDIO ERASE IN GND A.HEAD(R) A.HEAD(W) CTL HEAD(-) CTL HEAD(+)

3.9 C4068 0.022: HD642 0.15: HD647 2 R4061 3300 0.3 (-0.6) 0.4 (4.7) 33

3.9

3.9 23 0

1 2 3 4 5 6

B1 B2

1

6

Q4007 2SD602A
(OSC) 3.6 34 LPF-PNR(R CH) LPF-PNR(L CH) 22 3.6 C4050 50V0.22

QR4001 UN2217
(MUTE)

QR4002 MUN2113
0.3 (BUFFER) 0

(HD642) C4074 1500P:HD642 4700P:HD647 L 5.4 (4.3) (HD642) P4002 (TO FULL ERASE HEAD) FULL ERASE OUT FULL ERASE IN R4062 2700 C4075 10V22 5.5(0) 0 (4.8) (HD647) R4063 3300 0.4 (4.9) TW4501 L4007 68u C4072 6V220 C4073 0.022 C4031 0.01 B5 TL4502 R4057 C4033 0 0.01 R4056 1200 C4049 220P R4058 390

12.0

35 VCC TU(L) BPF + MODEM 36 E2(L) + TU(R) NORMAL SELECT SWITCH

21

3.8

F

S S S

CTL HEAD(+) CTL HEAD(-) SHORT DET

1.4

20

4.6

C4051 16V10

R4043 22K

Q4006 2SB710
(AUDIO ERASE DRIVE) 5.0

1.9 37 BPF MODEM

E2(R) 19 MIX AMP TU(L),(R) E1(L),(R) SAP DECODER SELECT SWITCH 18

6.1

C4052 16V10

R4050 47K

1 2

C4030 0.1

QR4004 MUN2212
(BIAS H :ON) (HD647) T4001 EQQ7QF025P B6 B7 4 0.3 (4.8)

5.1

38 V5 OUT

6.1

C4053 16V10

R4051 47K

TW4502

C4032 100P 3.1 39 ENVELOPE Hi-Fi DET. OUTPUT SELECT SWITCH +

MUTE 17

0 C4054 16V10

R4052 47K

E

D

S S S I I I I I I I I I I T S S S S T P I P I P I

BIAS H FULL ERASE H D.A.REC H 25Hz RFB OFF H CPB H AV1 PB H PROG H VA PROJ 50 TV H DEA DEB SAT IR SYS BUS TLK SYS BUS CLK L OSD/FIP CS SYS BUS LSN L P.FAIL VIDEO OUT OSD IIC CLOCK OSD IIC DATA

B3 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 C16 C17 R4065 4700

3

R4042 10K R4041 220 B8 R4040 220 B9

2.0 (0)

40

D.O.C LINE SELECT SWITCH

16

6.1

0 B18 0.3

2 C4076 0.022 R4064 6800 0.3 (-1.1)

3.1

41 IIC BUS INTERFACE MUTE CTL SELECT SW CTL VOLUME CTL E2(L),(R) MUTE

15

6.1

C4055 16V10 B19 R4053 47K

1

6

Q4005 2SD602A
(OSC)

QR4008 UN2215
(MUTE)

3.2

42 REC LEVEL CONTROL NOR SAP DUB

14

0

C4079 2200P C4078 0.022 3.8 43 D GND

MUTE 13

0 C4060 16V10

R4054 47K

0 0.3

5.4 (4.3) C4080 10V22 5.5(0) R4066 6800

0.3 (5.0)

L4006 68u

44

INPUT SELECT SWITCH

12

3.9

B20

Q4004 MSB710
(FULL ERASE DRIVE) 5.0

QR4007 UN2215
(MUTE)

C4077 6V47

TU(L) 1

TU(R) 2 3.8 3.8 3 3.8 4

E1(L) 5 3.8 C4025 50V 0.22

E1(R) 6 3.8 C4024 50V 0.22

E2(L) 7 3.8 C4023 50V 0.22

E2(R) 8 3.8 C4022 50V 0.22 3.8 C4021 50V 0.22 9 3.8 C4020 50V 0.22 R4055 3.3M 10 11 0 C4061 16V10

R4031 75K

R4029 75K

R4027 75K

R4025 75K

R4023 75K

C7 C8 C9 C10 R7802 47K C7803 6V47 C7804 0.1 R7803 100 4.8 6 SCL 4.7 5 SDA 4 VSS 3 2 + + PRE 1 PBO 2 PBI 3 VSS 4 5 6 R4067 6800 B4 R4038 150K R4069 150K R4068 2200 7 VCC 8 1

5.0 8 VCC

5.0 7 MODE

R4030 100

R4028 100

R4026 100

R4024 100

R4022 100

PK7702 SAT IR SYS BUS TLK GND SYS BUS CLK OSD CS SYS BUS LSN L P.FAIL OSD 5V N.SW 5V FSC VIDEO IN GND VIDEO OUT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 C11 C12 C13 C14 C15 C16

IC7801 M24C16-WBN6

IC4002 NJM4558M
(HD647)

R4021 75K

C

PK7701 25Hz RGB OFF H CPB H AV1 PB H PROG H MODE VA OSD IIC DATA OSD IIC CLOCK GND PROJ 50 GND TV H DEA DEB

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

TO OSD PACK PK7701 (Page:66/E-1)

C1 C2 C3 C4 C5 C6

0 (4.8)

QR4003 MUN2212
(FULL ERASE H :ON)

D4001 1SS254

IC4001 TDA9615H

3.8

C4027 50V0.47 C4047 16V10 R4037 2200 R4036 6800

C4026 50V N 0.47

N

R4049 47K

R4020 100

R4007 4700 0.7 (-24.8)

0(5.0)

TO OSD PACK PK7702 (Page:66/C-1)

B

Q4001 2SD1149
(PB:ON) 0 (-15.4)

R4008 220 0.7 (-24.8)

Q4002 2SD601A
(PB:ON)

C17 R4039 150K R4070 150K

C4048 16V10

C4045 0.01

C4046 16V10

R4071 10K:HD642 22K:HD647 0 (4.7)

5.1 (-24.6)

QR4006 MUN2111
(D.A.REC H :OFF) 5.1

A

P P P P

BIAS 5V N.SW 5V OSD 5V REG 12.3V B10 B11 B12 B13 B14 B15 B16 B17

B3

B2

B21 B22

B23

1

2

3

4

5

6

7

8

9

10

11

12