Toshiba 46HM84 Schematic Diagram page 53

RA78
JP
QA91 CA78
OPEN
QT2C01-AS
/RST
Vss
Vss OSC_I
CA91
0.1uF
Vdd OSC_O
RA91
+VDD1
Vdd OPT2
47
RA81
VOLUP
VOL UP SNS1A OPT1
TLA3 1k
CA81
18n SNS1B SYNC
SYNC
RA82
VOLDN POWER
VOL DN SNS2A
OUT5
TLA4 1k
CA82
MENU
18n
SNS2B MENU-O
OUT4
SNS3A OUT3
CA83
B1000p VOL DN
SNS3B OUT2
RA84
MENU VOL UP
MENU SNS4A OUT1
TLA5 1k
CA84
18n AKS
SNS4B AKS
RA85
POWER OC
POWER
SNS5A OC
TLA6 1k
CA85 Vss
SNS5B
18n
RA79
JP
QA92
CA79
OPEN
QT2C01-AS
/RST
Vss
Vss OSC_I
CA92
0.1uF
Vdd OSC_O
RA92
+VDD2
Vdd OPT2
47
RA86
TVV
TV/VIDEO SNS1A OPT1
TLA8 1k CA86
18n
SNS1B
SYNC
RA87
EXIT CH DN
CHDN-O
SNS2A
EXIT OUT5
TLA9 1k
CA87
CH UP
18n
SNS2B
OUT4
SNS3A OUT3
CA88
EXIT
B1000p
SNS3B OUT2
RA89
CHUP TV/VIDEO
TVV-O
CH UP SNS4A OUT1
TLA1 1k
CA89
AKS
18n
SNS4B AKS
RA90
CHDN OC
CH DN
SNS5A OC
TLA2 1k
CA90
Vss
18n SNS5B
RA94
3.3k XA91
OPEN
CA97
33p
RB89
10k
RA93
10k
RB90
10k
RA75
8.2k
DET1
DET1
RA73
27k
RA72
15k
RA95
3.3k
XA92
OPEN
CA98
33p
RA71
8.2k
DET2
DET2
RA76
RA77
15k
110k
DB82
GREEN LED
Key Sense
RB82
470
QB83
BA1039F-E2
QB81
2SC2412K
8 VCC 1
QB84
7 + - 2
6 3 2SC2412K
REF - +
5 GND 4 RB93
RB88
1k
1k
RB87
RB92
1k
47k
QA93
R1121N331B-TR
4 5
CE NC
3 VDD VOUT 1
+ GND +
CA93 CA95 CA94
CA96
2
0.1uF 16V10
16V10 0.1uF
CB81
DB81
0.1uF
RED LED
Power
RB81
470
RB83
1k
RB84
47k
PB91
PLUG 9P 1.25mm 53398 MOLEX
+5V
1
LED
2 Power LED
3 FailSafe LED
4 Ground
KEY-2
5 KEY-2
KEY-1
6
KEY-1
7 Ground
8 NC
9
NC
46HM84/52HM84/62HM84
Front Key
(50/52)