TEAC R2 Service Manual - Page 14

Display Pcb, Control Pcb

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R-2 DISPLAY PCB VT PER CL DA TU ST CE IF GND CW101 C102 R102 C104 C103 R101 C101 R114 R-2 LCD DISPLAY PCB 062-R2000001 REV.01 FR-4 KOUGF 2005-9-17 + R108 R109 R110 R111 R112 L103 CN102 C113 C112 R139 BUZZ GND +5V RENC2-A RENC2-B RENC1-A RENC1-B PW/C TU/ C KEY1 KEY0 ADPT MUTE LED LED IN VB TU VCC R117 R132 R143 R103 R104 R105 R107 C107 C108 XT101 IC101 UPD78F0338 R123 R122 R115 R128 R119 R120 C121 C120 R135 R118 R138 R137 R136 VPP +5v RES SCK1 SI1 SO1 G C111 IC101 31 CN103 R129 1 R130 R133 R131 R134 LCD101 C106 Q101 R121 C105 R127 Q102 R126 + L100 Q103 C118 C119 ZD100 R142 D100 C117 C116 R141 C115 C114 R140 L101 R113 R125 R124 CONTROL PCB SW315 VOLMUE A B COM C303 C304 SW301 POWER LED301 BLUE SW309 BASS SW310 TREBLE SW311 ALARM-1 SW312 ALARM-2 SW313 CLOCK/ADJUST R306 R307 R308 R309 SW302 FUNCTION SW303 PRESET SW304 MEMORY R310 SW305 ALARM/CHECK CW301 C301 C302 B COM R302 R303 SW306 SNOOZE/SLEEP R304 R305 SW307 SNOOZS/SLEEP SW308 SNOOZE/SLEEP SW316 MULTIDIAL R-2 CONTROL PCB 062-R2000003 94-HB REV: 01 2005.08.24 R311 RECN2-B RECN2-A RECN1-B RECN1-A GND KEY0 KEY1 LED VCC A 14

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IC101
31
1
UPD78F0338
IC101
D
N
G
D
N
G
+
+
062-R2000001
062-R2000001
KOUGF 2005-9-17
KOUGF 2005-9-17
REV.01 FR-4
REV.01 FR-4
R-2 LCD DISPLAY PCB
R-2 LCD DISPLAY PCB
G
SCK1
SCK1
SO1
SO1
SI1
SI1
RES
RES
+5v
+5v
VPP
VPP
BUZZ
BUZZ
GND
GND
+5V
+5V
RENC2-B
RENC2-B
RENC1-A
RENC1-A
RENC1-B
RENC1-B
PW/C
PW/C
TU/ C
TU/ C
KEY1
KEY1
KEY0
KEY0
ADPT
ADPT
MUTE
MUTE
LED
LED
LED IN
LED IN
VB
VB
F
I
F
I
E
C
E
C
T
S
T
S
U
T
U
T
A
D
A
D
L
C
L
C
R
E
P
R
E
P
T
V
T
V
RENC2-A
RENC2-A
TU VCC
TU VCC
C111
C111
C121
C121
C120
C120
3
0
1
L
3
0
1
L
C119
C119
C118
C118
D100
D100
3
4
1
R
3
4
1
R
R142
R142
ZD100
ZD100
R134
R134
R133
R133
2
3
1
R
2
3
1
R
R131
R131
0
3
1
R
0
3
1
R
R138
R138
R137
R137
R136
R136
R135
R135
9
2
1
R
9
2
1
R
R128
R128
Q101
Q101
CN102
CN102
C107
C107
R104
R104
R119
R119
7
1
1
R
7
1
1
R
R120
R120
R112
R112
R111
R111
R110
R110
R109
R109
R107
R107
R105
R105
R103
R103
R123
R123
R115
R115
2
0
1
R
2
0
1
R
1
0
1
R
1
0
1
R
R121
R121
R122
R122
R114
R114
3
1
1
R
3
1
1
R
Q102
Q102
LCD101
LCD101
3
0
1
N
C
3
0
1
N
C
1
0
1
W
C
1
0
1
W
C
C113
C113
C112
C112
C108
C108
C106
C106
2
0
1
C
2
0
1
C
4
0
1
C
4
0
1
C
3
0
1
C
3
0
1
C
C105
C105
1
0
1
C
1
0
1
C
R108
R108
4
2
1
R
4
2
1
R
5
2
1
R
5
2
1
R
R126
R126
R127
R127
R118
R118
1
0
1
T
X
1
0
1
T
X
R139
R139
C117
C117
C116
C116
C115
C115
C114
C114
1
0
1
L
1
0
1
L
L100
L100
3
0
1
Q
3
0
1
Q
R141
R141
R140
R140
DISPLAY PCB
R-2
14
COM
COM
B
A
A
B
COM
COM
D
N
G
C
C
V
D
E
L
1
Y
E
K
0
Y
E
K
A
-
1
N
C
E
R
B
-
1
N
C
E
R
A
-
2
N
C
E
R
B
-
2
N
C
E
R
94-HB REV: 01
R-2
CONTROL PCB
062-R2000003
2005.08.24
C304
1
1
3
R
C303
C302
C301
CW301
SW316
MULTIDIAL
SW301
POWER
SW306
SNOOZE/SLEEP
SW307
SNOOZS/SLEEP
SW302
FUNCTION
SW303
PRESET
SW304
MEMORY
SW305
ALARM/CHECK
SW309
BASS
SW310
TREBLE
SW311
ALARM-1
SW312
ALARM-2
SW313
CLOCK/ADJUST
R302
R303
R304
R305
R306
R307
R308
R309
R310
LED301
BLUE
SW308
SNOOZE/SLEEP
SW315
VOLMUE
CONTROL PCB