Hitachi 32PD3000E Service Manual page 69

32PD3000 / 42PD3000
2. FROM TUNER
25 ADC1
1 AGC
2.
26 PDDET FROM PDP
2
2. FROM FRONT
27 ADC3
3 SWITCHES
Port 3
3. ADJACENT
31 IF TRAP
0 CHANNELS
3. 1900TX-
32
1 3v3
3. FROM
33 SCI
2 AVLINK
3.
34 IR1 IR FROM PDP IN
3
FRONT-
3.
35 SVHS-
4
SOCKET
3.
36 MAP1 A18 ON SRAM OUT
5
3. A15/A18
37 MAP2
6 SWITCH
3.
38 1900RX
7
Port 4
4.
48 MEM RD#
2
4.
49 MEM WR#
3
68
AGC level
IN
detect
PDP ON
IN
detect
Vol+/-
IN &Prog.+/- key
input
OUT Not used
PDP
OUT communicatio
n via RS232C
IN AV link input
IR input
S-VHS socket
IN
detect
SRAM
mapping
SRAM
OUT
mapping
PDP
IN communicatio
n via RS232C
SRAM output
OUT
enable
SRAM write
OUT
enable