Hitachi L26HP03E Service Manual page 83

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LED&VFD
D130
2
C5V6
D149
2
1
C5V6
3V3_STBY
1
S119
2
5V_STBY
1
S118
2
3V3_LPW
1
S198
2
F225
1
2
IR_MAIN
600R
3
R421
Q130
1
2
2
10K
BC848B
BC848B
3
3
1
Q148
Q149
2
2
BC858B
BC858B
1
1
3V3_LPW
1
S197
2
3V3_STBY
1
S117
2
5V_STBY
1
S125
2
KEYBOARD & TOUCHPAD
DSUB-9
RS232 AND PRO GRAMMING PART
9
8
NC1
R2OUT
11
7
T2IN
R2IN
12
R169
TX/SDA
6
1
47R
2
T1IN
T2OUT
13
5
NC2
V-
14
R168
4
RX/SCL
1
2
R1OUT
C2-
47R
15
ST3222
RS232/RXD
3
R1IN
C2+
16
U140
RS232/TXD
2
T1OUT
C1-
17
1
GND
V+
18
CN104
3V3_STBY
VCC
C1+
19
C179
SHDN
EN
20
1
2
R530
100N
1
10K
2
3V3_STBY
10V
3
R529
Q129
2
2
10K
1
2
BC848B
1
RS232_ENABLE
PROG_EN
C180
U127
1
M74HC4052
100N
UART0_RXD0
10V
1
16
2Y0
VCC
2
15
R282
2Y2
1Y2
3
14
RX/SCL_SC
2
4K7
1
2Z
1Y1
TX/SDA
4
13
2Y3
1Z
TX/SDA_SC
5
12
RX/SCL
2Y1
1Y0
UART0_TXD0
6
11
E
1Y3
7
10
VEE
S0
8
9
GND
S1
No 0248
5V_STBY
R552
1
2
10K
1
3V3_STBY
F228
1
2
VFD_CSB
600R
R527
2
10K
1
3V3_STBY
F229
1
2
F230
VFD_CLK_STBY
600R
1
2
VFD_DATA_STBY
600R
3V3_LPW 3V3_STBY
R526
2
1
10K
3V3_STBY
D148
2
1
C608
C5V6
1
2
27P
50V
3
3
STBY_ON/OFF_NOT
R422
R608
Q131
2
1
2
2
1
2
10K
22K
1
1
VDDP
C175
C177
C176
2
2
2
100N
100N
100N
1
1
1
10V
10V
10V
PIN108
PIN272
PIN226
LPW da 3v3 zener secilecek
C598
1
2
220P
50V
D150
R167
F188
1
2
1
2
1
47R
2
C5V6
600R
F231
F227
MECH_SWITCH
1
2
1
2
600R
600R
F226
1
2
600R
10
9
8
C526
7
1
2
100N
C525
25V
6
2
100N
1
25V
5
4
C523
C524
2
3V3_STBY
100N
3
1
2
1
25V
100N
25V
2
CN110
N.C.
1
S120
5V_STBY
1
2
1
2
R164
R633
RX/SCL
1
47R
2
3
1K
1
R163
TX/SDA
1
2
4
47R
DEBUG SOCKET
2
RS232_ENABLE
0
ACTIVE
1
T-OUT AND R-OUT HIGH-Z
5V_STBY
PROG_EN
0
HC4052 DISABLE
1
HC4052 ENABLE
SW_UPDATE_SELECT
SW_UPDATE_SELECT
0
DVB_SW_UPDATE
4K7
5V_STBY
1
2
1
ANALOG_SW_UPDATE
R284
R277
3V3_STBY
2
4K7
1
LED1
R276
3V3_STBY
2
4K7
1
LED2
R160
PDP_DISP_EN
1
47R
C447
SIF_CTL
1
2
27P
STBY_ON/OFF_NOT
R267
50V
1
S193
2
R748
3V3_STBY
2
4K7
1
47R
2
C446
1
2
3V3_VCC
4K7
27P
1
2
FRC_RST
R758
50V
PROG_EN
USB_DIG_OCD
DVB_RESET
3V3_VCC
4K7
1
2
R274
R756
3V3_VCC
1
2
4k7
STBY_ON/OFF
GAIN_SW2
GAIN_SW1
R757
Q125
3V3_VCC
1
2
4k7
BC848B
R288
3V3_VCC
2
1
4K7
DVB/YPBPR_SW
R268
3V3_VCC
2
1
4K7
DVB_IRQ
VDDP
VDDC
C178
2
VDDC
100N
R269
1
10V
3V3_VCC
2
1
4K7
IDTV_SW
R270
3V3_STBY
2
4K7
1
PIN110
PROTECT
NVM_WP
4K7
3V3_STBY
2
1
C174
5V_TOLERANT
VFD_CLK_STBY
R271
2
100N
1
10V
KEYBOARD_STBY
INT_SIL9185
HDMI_WP1
3V3_STBY
5V_TOLERANT
VFD_DATA_STBY
3V3_LPW
HDMI_CEC
R395
5V_TOLERANT
HDMIB_5V
1
1k
2
HDMI_OUT_5V
R283
3V3_STBY
2
4K7
1
PROTECT_PANEL
R264
3V3_VCC
2
1
4K7
ANT_CTRL
5V_TOLERANT
VFD_CSB
PIX_INT0
PIX_INT1
R266
2
1
3V3_VCC
4K7
PIX_RESET
USB_OCD
R166
PDP_IRQ
1
47R
S122
1
2
S121
1
2
1
S195
PDP_IRQ
1
2
3
R232
S194
Q126
BACKLIGHT_DIM
1
2
1
2
2
4K7
BC848B
C529
1
1
2
1
220P
50V
MEGA_DCR
Controller
N.C.
U138
4K7
3V3_STBY
MST6WB7GQ-3
2
1
R293
55
204
GPIOL[0]
SAR0
KEYBOARD_STBY_OUT
3
56
205
GPIOL[1]
SAR1
SC1_PIN8
57
206
2
GPIOL[2]
SAR2
SC2_PIN8
R742
2
20K
1
58
207
GPIOL[3]
SAR3
59
208
For Internal CPU Selection
GPIOL[4]
PWM0
For Internal CPU Selection
4K7
1
R524
2
1
60
209
3V3_STBY
R279
XOUT
PWM1
2
10K
1
4K7
3V3_STBY
2
1
61
210
R287
XIN
DDCR_SDA
4K7
3V3_STBY
2
1
98
211
R286
GPIOD[0]
DDCR_SCL
4K7
3V3_STBY
2
1
99
212
R289
GPIOD[1]
DDCA_SDA
100
213
GPIOD[2]
DDCA_SCL
4K7
3V3_STBY
2
1
101
214
GPIOD[3]
INT
R290
10K
3V3_STBY
1
2
102
215
GPIOD[4]
IRIN
R532
4K7
3V3_STBY
2
1
103
221
GPIOD[5]
GPIOB[0]
R294
R165
104
222
GPIOD[6]
GPIOB[1]
1
2
47R
4K7
3V3_VCC
1
2
105
223
GPIOD[7]
PWM2
R275
106
224
GPIOD[8]
PWM3
107
225
GPIOD[9]
GND14
4K7
3V3_STBY
2
1
R278
108
226
VDDP1
VDDP4
VDDP
109
227
GND6
GPIOT[0]
OPTION2
110
228
VDDC1
GPIOT[1]
R291
2
1
R161
4K7
3V3_VCC
111
229
GPIOD[10]
GPIOT[2]
1
47R
2
R162
112
230
GPIOD[11]
GPIOT[3]
1
47R
2
R292
2
4K7
1
3V3_VCC
113
243
GPIOD[12]
HWRESET
114
272
GPIOD[13]
VDDP7
VDDP
115
273
GPIOD[14]
GND17
R273
3V3_STBY
2
4K7
1
116
274
GPIOD[15]
GPIOE[3]
R285
3V3_STBY
2
4K7
1
117
275
GPIOD[16]
GPIOE[2]
R261
3V3_STBY
2
4K7
1
118
276
GPIOD[17]
GPIOE[1]
R262
3V3_STBY
2
4K7
1
149
277
GPIOR[0]
GPIOE[0]
150
278
GPIOR[1]
GPIOM[0]
USB_ENABLE
R760
151
279
5V_VCC
GPIOR[2]
GPIOM[1]
2
4K7
1
152
280
GPIOR[3]
GPIOM[2]
153
281
GPIOR[4]
GPIOM[3]
154
GPIOR[5]
155
GPIOR[6]
156
GPIOR[7]
157
GPIOR[8]
158
GPIOR[9]
159
2
GPIOR[10]
U103
24C32
1
E0
2
E1
3
E2
3V3_VCC
4
VSS
5V_VCC
TP111
1
1
R233
Q147
2
4K7
2
BC858B
C530
3
R352
1
2
1
2
100R
220P
R353
50V
S123
1
2
1
2
100R
R354
DIMMING
1
2
100R
R355
1
2
100R
3
R234
Q127
2
2
4K7
BC848B
C531
1
1
2
220P
50V
OVER_CUR_DETECT
BACKLIGHT_DIM
3V3_STBY
SDA
SCL
TX/SDA
RX/SCL
TV_LINK
IR_IN
SW_UPDATE_SELECT
HP_DETECT
AMP_MUTE
DVB_RXD
10V
1
100N
DVB_TXD
2
C182
R356
2
100R
1
HDMI_RST
1
2
MAX810
GND RST
MAX809LTR
RS232_ENABLE
VCC
U130
3
10V
SDA_NVM
100N
1
2
SCL_NVM
3V3_STBY
C183
Reset IC supplyi 3V3 stbyden alindi
C181
3V3_STBY
2
1
100N
10V
8
VCC
7
WC
NVM_WP
6
SCL
SCL_NVM
5
SDA
SDA_NVM
1
TP110
TP109
1
TP108
1
TP112
1

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