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SCHEMATIC DIAGRAM-5 DECK CIRCUIT
:POSITIVE VOLTAGE LINE
14.8V A B R1103 15K C1193 1000P C1101 1000P C TP6

:TAPE PLAYBACK SIGNAL LINE :TAPE RECORDING SIGNAL LINE

R1102 100K

DECK1 L ch PLAYBACK HEAD R ch
CS1101 1 2 3 4 5 TP1 TP2 TP3

D 0V ((0V)) ((4.2V)) G ((0V)) S

Q1101 2SJ498CDTA
HEAD SELECT (REC:ON)

C1103 680P

S 0V ((0V)) ((4.4V)) G ((0V)) D

Q1103 2SJ498CDTA
HEAD SELECT (PLAY:ON) D E

DECK2 L ch R/P HEAD R ch
1 2 TP5 3 4 CS1102 TP4

C1104 0.022

0V ((4.4V)) G

D ((0V)) ((0V))

Q1104 2SJ498CDTA
HEAD SELECT (PLAY:ON)

S

R1195 100K

ERASE HEAD

0V ((4.2V)) G C1194 1000P

S

((0V)) ((0V))

Q1102 2SJ498CDTA
HEAD SELECT (REC:ON)

5

D

R1101 330K

C1102 1000P F R1104 15K

TP11

IC1102 BA7755A
R/P SELECT

ERASE CURRENT CHECK POINT

R1182 1

Vcc 1 R1188 1K TP12 2 3 ((8.3V)) ((0V)) 11.1V 4 ((0V)) 4.9V

GND 5

R1189 4.7K

R1184 100K

R1183 100K

((14.8V))

C1183 0.47

R1178 L1201 6 1 2 3

C1181 0.01

L1202 47 H

Q1176
((0V)) 1.2 ((0V))

0.6V ((0V))

R1180 2.7K

C1185 4700P

5 4

C1176 0.047

((14.8V))

C1177 1000P

C1175 35V220

Q1175,1176 2SC2002KTA
BIAS OSC D1172 MA8047MTX

C1179 0.01

D1175 TP171 MA111TX 0.7V ((0V))

R1173 10K

R1174 10K

0.6V ((0V))

C1184 1500P

C1174 50V4.7

R1176 4.7K

R1177 5.6K

Q1174 2SC2412KT96R
TP170

((0V))

0.7V ((0V))

D1174 R1172 MA8036HTX 330

0.6V ((0V))

BIAS OSC CONT. (CrO2) ((0V)) ((4.8V)):CrO2

R1170 1K

SWITCHING (BEAT PROOF)

C1173 0.01

Q1179 2SC2412KT96R

26.4V ((0V)) ((0V))

Q1171 2SD1302STA
SWITCHING (REC:ON)

Q1173 DTC144TKA146
BIAS OSC CONT.(CrO2)

TP172

C1182 50V4.7

D1171 MA111TX

C1180 0.01

Q1175

0.6V ((0V))

R1179 2.7K

R1181 3.3K

C1178 1000P

SCHEMATIC DIAGRAM-6
:POSITIVE VOLTAGE LINE
14.8V

:TAPE PLAYBACK SIGNAL LINE :TAPE RECORDING SIGNAL LINE

R1105 270

C1133 50V4.7 C

Q1107 DTC144TKA146
P.B EQ/ REC EQ (CrO2/ H.SPEED) R1121 33K ((0V)) ((4.8V)):CrO2 ((0V))

C1117 50V1

R1125 R1123 1K 10K

C

A

C1143 50V4.7

C1129 820P

C1131 820P

C1135 1000P

C1146 16V10

R1107 C1113 6.3V220 39

C1123 1800P

C1147 1500P

R1111 2.2K

C1109 16V100

C1105 1200P

C1108 16V33

R1115 390K C1127 R1117 0.01 270K

R1131 68K

R1146 10K

C1111 820P

C1115 R1109 0.033 4.3K

A C1139 50V2.2

C1119 50V4.7

R1141 6.8K

D B ((0V)) ((9.1V)) ((9.7V)) ((0V)) 36 35 34 33 B A A AGC OFF 1 ((0V)) A 2 B

C1121 50V1

C1125 0.047

((1V)) ((4.6V)) ((4.7V)) ((4.9V)) 32 31 30 29 28 27

4.3V ((4.7V)) ((5V)) ((4.8V)) ((0V)) ((4.7V)) ((0V)) 26 25 REC 24 23 B C SW ALC PRE 22 A 21

((9.6V)) 20 19 GND

Vcc

C PB

PRE

IC1101 M51167AFP-TB
P.B.EQ/ REC AMP/ ALC/ TPS AMP

TPS

C

PB

3 4 5 6 7 8 9 10 ((4.6V)) ((0V)) ((1V)) ((4.6V)) ((4.7V)) ((4.9V)) ((4.9V))

R1142 6.8K

C1106 1200P

C1122 50V1

REC R/ P 11 12 13 14 15 16 17 18 ((4.7V)) ((5V)) ((4.8V)) ((0V)) ((0V)) ((0V)) ((4.2V)) ((5V)) 4.9V C1126 0.047

50V0.1

16V10

C1116 R1110 0.033 4.3K

C1120 50V4.7

C1128 R1118 0.01 270K R1116 390K C1130 820P C1132 820P

C1114 R1108 6.3V220 39

R1112 2.2K

C1124 1800P

C1112 820P

C1140

R1132

C1141

C1148 1500P

C1118 50V1

R1134

C1142 0.022

E

470K

R1133 3.3K

3.3M

R1126 1K

D

B

C1144 50V4.7

Q1108 DTC144TKA146
P.B EQ/ REC EQ R1122 (CrO2/ H.SPEED) 33K ((0V)) ((4.8V)):CrO2 ((0V))

B C D E

C1134 50V4.7 F

R1124 10K C1136 1000P

SCHEMATIC DIAGRAM-7
:POSITIVE VOLTAGE LINE
14.8V

:TAPE PLAYBACK SIGNAL LINE : TAPE RECORDING SIGNAL LINE

D1173 MA111TX

R1139 10K

Q1151,1152 DTC144TKA146
SWITCHING(PLAY:ON) A A

R1151 1M

C1165 16V10 C ((8.8V))

((0V))

C1153 1000P

R1155 220

Q1151

((2.1V))

C1150 10V47

((0V))

((2.6V)) R1152 1M B

Q1154
((8.8V))

R1154 1.2K

0.1V ((3.8V))

C1154 1000P

MUTING ((2.1V))

Q1152

C1162 16V100
C1166 16V10 D R1186 1K H

Q1153,1154 2SC2412KT96R

B

C1151 16V10

R1161 4.7K C

C1152 16V10

R1156 220

((0V))

R1197 47K

R1196 47K

Q1115

0.7V ((0V))

R1162 4.7K

((0V))

Q1115,1116 2SD2114K1V
MUTING

R1220 4.7K A R1145 10K B C D E F G

C1145 16V10

4.8V 0.1V 0.6V

Q1120,1121 2SC2412KT96R
INTERFACE

Q1118,1119 2SC2412KT96R
INTERFACE

R1190 100K

R1213 1.5K

0V 0.5V 0V

Q1121

((4.8V)) ((4.8V)) ((0V)) ((0V))

Q1119
((0V))

Q1120
R1191 56K
((0V))

Q1118
((0V))

R1166 100K

C1186 10V47

D

Q1116

0.7V ((0V))

((0V))

CP1102 1 2 3 4 5 6 7 8 9

R1192 47

R1167 47

CP1101 1 2 3 4 5 6 7 8 9

1 2 3 4 5 6 7 8 9 CS971 Z971 CS951

R1165 56K

1 2 3 4 5 6 7 8 9

R1153 1.2K

R1158 220

0.1V ((3.8V))

((2.6V))

Q1153

R953 39K

S973 (ATS/CrO2)

SOLENOID

1

D971 MA165TA

S953 (ATS/CrO2)

S951 (MODE)

2 S975 (F.REC.INH.) 3 S971 (MODE) 4 4 2 S974 (R.REC.INH.) 5 S972 (HALF) 3 1 6

4.7K 50K 50K 4.7K 50K 4.7K 50K 50K 4.7K

S952 (HALF)

IC951 0N2180RLC1
PHOTO INTERRUPTER

25K

25K

SOLENOID

D951 MA165TA

PHOTO INTERRUPTER

25K

IC971 0N2180RLC1

4

2

3

1

R972 820

R973 39K

7

MECHANISM (DECK2) CIRCUIT

MECHANISM (DECK1) CIRCUIT

R952 820

SCHEMATIC DIAGRAM-8
:POSITIVE VOLTAGE LINE
14.8V

:TAPE PLAYBACK SIGNAL LINE :TAPE RECORDING SIGNAL LINE
H1101 1 2 3 4 5 6 7 8 9 10 M.GND MO.GND +B(5) D.GND +B(3) Rch IN Lch IN A.GND Rch OUT Lch OUT

10.4V

R1144 10K B A Z1101 25K 25K 25K D C R1143 10K

TO MAIN (CONTROL) CIRCUIT (CN304) ON SCHEMATIC DIAGRAM-17

R1106 2.2K

50K

50K

50K

50K

50K

TP10

TP9

4.7K

4.7K

4.7K
4 5

1

2

3

4.7K
6

7

C H F E D B 5V R1215 R1216 2.2K 2.2K

5.1V

CN1201 1 2 3 4 5 6 7 8

+B(6) MK DATA MK CLK VREFTPS ADIN6 ADIN7 VREF+

TO PANEL CIRCUIT (H602) ON SCHEMATIC DIAGRAM-13

R1234 4.7K

R1235 4.7K

R1236 4.7K

E D

Q1218 DTA114EKA146
MOTOR DRIVE ((0V)) 1 2 ((0V)) 3 ((4.6V)) 4 5 6 ((0V)) 7 4.9V ((0V)) ((5V))

R1233 2.2K
4.9V ((0V)) 8 ((0V)) 4.3V ((10.4V)) ((9.2V)) ((9.2V)) 10.4V W1200

C1187 100P

HI SP

GND

CLK

TAPE

BP1

((5V)) 0V

Q1220 DTA143XKA146
MOTOR DRIVE ((5V)) ((5V))

IC1105 BU2090AF-E2
SYSTEM CONTROL

REC

DOLBY

DATA

16

15

14

13

12

11 ((5V)) 0V

10

((5.1V)) ((4.5V)) ((4.5V)) ((0V)) R1232 1K

((0V))

A B

R1230 4.7K

C1202 0.1

Q1206 2SB621RTA
R1221 2.7 A SOLENOID DRIVE ((0V))

SOLENOID DRIVE ((4.5V)) ((9.2V))

D1202 MA111TX

((5V)) ((5V))

D1201 MA111TX

((4.5V))

((9.2V))

SOLENOID DRIVE R1225 2.7 G

R1227 1K

Q1209 DTC114TKA146

R1226 1K

Q1208 DTC114TKA146

BP2
9

1PL

Vcc

2PL

1M

2M

1H

DMT

C

C1188 100P

((0V))

((10.4V))

C1201 16V100

2

Q1207 2SB621RTA
SOLENOID DRIVE

Q1203 2SD965RTA
MOTOR DRIVE ((0.7V)) ((0V)) 1

M

MOTOR

R1206 220