Schematic Diagram - Display Board - Sony HCD-GTR6 Service Manual

5-9. SCHEMATIC DIAGRAM — DISPLAY BOARD —
1 2 3
A
DISPLAY BOARD
B
C
D900, D901
POWER
D900
SLR-325MCT31
TP980 TP981
R900 TP982
470
D
Q900
2SC3052EF-T1-LEF
LED SWITCH
E
NO900
13P
TP900
F LED+9V 1
TP901
LED GND 2
TP902
ADKEY1 3
J
TP903
ADKEY2 4
TP904
ADKEY0 5
STR
TP905
OP_DIAL 6
BOARD
TP906
MASTER_VOL 7
NO904
TP907
(Page 48) LED_DRIVER_CLK 8
G
TP908
LED_DRIVER_DATA 9
TP909
10
LED_DRIVER_LATCH
TP910
11
LED_DRIVER_OE
TP911
12
D GND
TP912
13
D+3.3V
(AUS)
C1132
H
0.1
25V
I
J
HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
• Refer to page 22 Block Diagrams.
4 5 6
VF- LGND PGND VG VDD BK LATCH CLK DATA
1 6 7 8 9 10 11 12 13 14
TP950
C912
100p
R902
C911
1k
100p R919
100
TP984
C910
100p
TP983 C913
100p
R901
IC900
1k
REMOTE CONTROL
SIGNAL RECEIVER
C904
IC900
0.1
NJL24H400B-SA
R904
10
C903
R905
0.1
10
C901 C1056
R903 0.22
220
100
50V
TP987
R1149
1k
S905
S906 S900
ERASE (CD)
METER MODE REC TIMER
ADKEY1
R924 R923
ADKEY0
3.3k 2.2k
OP_DIAL
MASTER_VOL
LED_DRIVER_CLK
LED_DRIVER_DATA
LED_DRIVER_LATCH
LED_DRIVER_OE
7 8 9
ND900
VACUUM FLUORESENT DISPLAY
40 41 42
R996 3.3k
Q903
R926
2SC3052EF-T1-LEF
SWITCH
R998
47k
R928
R908 R1148
1k 1k
Q901
2SC3052EF-T1-LEF
LOW FREQUENCY AMP
GTR6B/GTR8B
S901 S902 S903 S904
REC TO TAPE OPTIONS DISPLAY POWER
R906 R907 R909 R910 R911
1.5k 1.5k 1k 470
680
31 31
HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
10 11 12
VF+
43 44 45 46 47 48 53
C907
C905
R925
100
100
100 0.1
6.3V
R997
C906
100k 47k
220
C1125
10V
0.1
R927
100k
Q902
2SC3052EF-T1-LEF
SWITCH
13 14 15
CN902
23P
TP947
23 EVER+3.3V
TP946
22 D+3.3V
TP945
21 D GND
ADKEY1 TP944
20
AD-KEY1
ADKEY0 TP943
19 AD-KEY0
ADKEY2 TP942
18 AD-KEY2
OP_DIAL TP941
17 OPERATION DIAL
MASTER_VOL TP940
16 MASTER VOL
LED_DRIVER_CLK TP939
A
15 LED DRIVER CLK
LED_DRIVER_DATA TP938
14 LED DRIVER DATA
LED_DRIVER_LATCH TP937
13 LED DRIVER LATCH MAIN
CIG_BK TP936
BOARD
12 CIG BK
CIG_LATCH TP935 CN150
11 CIGLATCH
(1/5)
CIG_DATA TP934
10 CIG DATA
(Page 40)
CIG_CLK
TP933
9 CIG CLK
STBY_LED
TP932
8 STBY LED
LED_DRIVER_OE
TP931
7 LED_DRIVER_OE
SIRCS
TP994
6 SIRCS
TP995
5 LED GND
TP996
4 LED+9V
TP997
3 VF+
TP998
2 VF-
TP999
1 VG