Read Sharp 28LW-92H (serv.man2) Service Manual online
12
AK - 45
CHASSIS
13.3.2.Features
Standard Selection with single I
2
C transmission
Automatic Standard Detection of terrestrial TV standards
Automatic Sound Selection (mono/stereo/bilingual), new registers MODUS, STATUS
Two selectable sound IF (SIF) inputs
Automatic Carrier Mute function
Interrupt output programmable (indicating status change)
Loudspeaker / Headphone channel with volume, balance, bass, treble, loudness
AVC: Automatic Volume Correction
Subwoofer output with programmable low-pass and complementary high-pass filter
5-band graphic equalizer for loudspeaker channel
Spatial effect for loudspeaker channel
Four Stereo SCART (line) inputs, one Mono input; two Stereo SCART outputs
Complete SCART in/out switching matrix
Two I
Automatic Sound Selection (mono/stereo/bilingual), new registers MODUS, STATUS
Two selectable sound IF (SIF) inputs
Automatic Carrier Mute function
Interrupt output programmable (indicating status change)
Loudspeaker / Headphone channel with volume, balance, bass, treble, loudness
AVC: Automatic Volume Correction
Subwoofer output with programmable low-pass and complementary high-pass filter
5-band graphic equalizer for loudspeaker channel
Spatial effect for loudspeaker channel
Four Stereo SCART (line) inputs, one Mono input; two Stereo SCART outputs
Complete SCART in/out switching matrix
Two I
2
S inputs; one I
2
S output
Dolby Pro Logic with DPL 351xA coprocessor
All analog FM-Stereo A2 and satellite standards; AM-SECAM L standard
Simultaneous demodulation of (very) high-deviation FM-Mono and NICAM
Adaptive deemphasis for satellite (Wegener-Panda, acc. to ASTRA specification)
ASTRA Digital Radio (ADR) together with DRP 3510A
All NICAM standards
Korean FM-Stereo A2 standard
All analog FM-Stereo A2 and satellite standards; AM-SECAM L standard
Simultaneous demodulation of (very) high-deviation FM-Mono and NICAM
Adaptive deemphasis for satellite (Wegener-Panda, acc. to ASTRA specification)
ASTRA Digital Radio (ADR) together with DRP 3510A
All NICAM standards
Korean FM-Stereo A2 standard
13.3.3.Pin connections
NC = not connected; leave vacant
LV = if not used, leave vacant
X = obligatory; connect as described in circuit diagram
DVSS: if not used, connect to DVSS
AHVSS: connect to AHVSS
LV = if not used, leave vacant
X = obligatory; connect as described in circuit diagram
DVSS: if not used, connect to DVSS
AHVSS: connect to AHVSS
Pin No.
Pin Name
Type
Connection
(if not used)
(if not used)
Short Description
PLCC
68-pin
68-pin
PSDIP
64-pin
64-pin
PSDIP
52-pin
52-pin
PQFP
80-pin
80-pin
PLQFP
64-pin
64-pin
1 16
14 9 8 ADR_WS OUT
LV
ADR
word
strobe
2 - - - - NC
LV
Not
connected
3 15
13 8 7 ADR_DA OUT
LV
ADR
Data
Output
4 14
12 7 6 I2S_DA_IN1
IN LV
I
2
S1 data input
5 13
11 6 5 I2S_DA_OUT
OUT
LV
I
2
S data output
6 12
10 5 4 I2S_WS IN/OUT
LV
I
2
S word strobe
7 11
9 4
3 I2S_CL
IN/OUT
LV
I
2
S clock
8 10
8 3
2 I2C_DA IN/OUT
X
I
2
C data
9 9 7 2 1 I2C_CL
IN/OUT
X
I
2
C data
10 8 - 1 64 NC
LV
Not
connected
11 7 6
80 63 STANDBYQ
IN X
Stand-by
(low-active)
12 6 5
79 62 ADR_SEL IN X
I
2
C bus address select
13 5 4
78 61 D_CTR_I/O_0
IN/OUT
LV
D_CTR_I/O_0
14 4 3
77 60 D_CTR_I/O_1
IN/OUT
LV
D_CTR_I/O_1
15 3 -
76 59 NC
LV
Not
connected
16 2 -
75 58 NC
LV
Not
connected
17
- - - - NC
LV
Not
connected
18 1 2
74 57 AUD_CL_OUT
OUT LV
Audio clock output
(18.432 MHz)
(18.432 MHz)
19 64 1
73 56 TP
LV
Test
pin
20 63 52 72 55 XTAL_OUT OUT X
Crystal
oscillator
21 62 51 71 54 XTAL_IN
IN X
Crystal
oscillator
22 61 50 70 53 TESTEN
IN X
Test
pin
23 60 49 69 52 ANA_IN2+ IN
AVSS via 56
pF/LV
pF/LV
IF Input 2 (can be left
vacant, only if IF input 1 is
also not in use)
vacant, only if IF input 1 is
also not in use)
24 59 48 68 51 ANA_IN-
IN
AVSS via 56
pF/LV
pF/LV
IF common (can be left
vacant, only if IF input 1 is
also not in use)
vacant, only if IF input 1 is
also not in use)
25 58 47 67 50 ANA_IN1+ IN LV
IF
input
2
26
57
46
66
49
AVSUP
X
Analog power supply 5v
-
-
-
65
-
AVSUP
X
Analog power supply 5v
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