GRUNDIG 27 LXW 70-8620 DOLBY
Instrukcja Serwisowa

GRUNDIG Service

Chassis LE < 37"

DDRAM - LW7.190
FSVREF +2.5V_DDR

FSADDR[0..12]

C802

FSADDR[0..12]

C809

FSADDR0 FSADDR1 FSADDR2 FSADDR3 FSADDR4 FSADDR5 FSADDR6 FSADDR7 FSADDR8 FSADDR9 FSADDR10 FSADDR11 FSADDR12 C803 C804

29 30 31 32 35 36 37 38 39 40 28 41 42

A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 / AP A11 A12 C810 /CLK

C808

DDR RAM

DQ0 NC DQ1 NC DQ2 NC DQ3 NC NC NC NC DQ4 NC DQ5 NC DQ6 NC DQ7 DQS DM NC NC NC NC NC NC NC

2 4 5 7 8 10 11 13 16 20 54 56 57 59 60 62 63 65 51 47 53 50 43 25 19 17 14

U801 256Mb _ 16bit

FSDATA[0..31] FSDATA0 FSDATA1 FSDATA2 FSDATA3 FSDATA4 FSDATA5 FSDATA6 FSDATA7

FSDATA[0..31]

C805 C806

C807

FSDQS0

FSDQM0

FSCLKFSCLK+

FSCLKFSCLK+

FSCKE /FSCS0 /FSRAS /FSCAS /FSWE FSBKSEL1 FSBKSEL0

FSCKE /FSCS0 /FSRAS /FSCAS /FSWE FSBKSEL1 FSBKSEL0

27 26

BA1 BA0

34 1 VSS VDD 48 18 VSS VDD 66 33 VSS VDD 49 VREF

44 24 23 22 21

CKE

6 3 C811 VSSQ VDDQ 12 9 VSSQ VDDQ 52 15 C812 VSSQ VDDQ 58 55 VSSQ VDDQ 64 61 C813 VSSQ VDDQ

46 45

CLK

FSDATA8 FSDATA9 FSDATA10 FSDATA11 FSDATA12 FSDATA13 FSDATA14 FSDATA15
FSDQS1 FSDQM1

/CS /RAS /CAS /WE

8532

FSVREF +2.5V_DDR

FSADDR0 FSADDR1 FSADDR2 FSADDR3 FSADDR4 FSADDR5 FSADDR6 FSADDR7 FSADDR8 FSADDR9 FSADDR10 FSADDR11 FSADDR12

29 30 31 32 35 36 37 38 39 40 28 41 42

A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 / AP A11 A12 /CLK CLK

DDR RAM

DQ0 NC DQ1 NC DQ2 NC DQ3 NC NC NC NC DQ4 NC DQ5 NC DQ6 NC DQ7 DQS DM NC NC NC NC NC NC NC

2 4 5 7 8 10 11 13 16 20 54 56 57 59 60 62 63 65 51 47 53 50 43 25 19 17 14

U802 256Mb _ 16bit

FSDQS2

FSDATA16 FSDATA17 FSDATA18 FSDATA19 FSDATA20 FSDATA21 FSDATA22 FSDATA23

C816 FSVREF FSVREF C818 100N10N FSDQS0 FSDQS1 FSDQS2 FSDQS3 FSDQM0 FSDQM1 FSDQM2 FSDQM3 C817

FSDQM2

FSCLKFSCLK+

46 45

FSDATA24 FSDATA25 FSDATA26 FSDATA27 FSDATA28 FSDATA29 FSDATA30 FSDATA31
FSDQS3 FSDQM3

FSCKE /FSCS0 /FSRAS /FSCAS /FSWE FSBKSEL1 FSBKSEL0

44 24 23 22 21 27 26

CKE /CS /RAS /CAS /WE BA1 BA0

10K

R803 10K

FSCLK-

R848 280R
FSCLK+

R849 280R

FSDQS[0..3]

FSDQS[0..3] FSDQS0 FSDQS1 FSDQS2 FSDQS3

C800

C801

+2.5V_DDR CAP22U50V C814 CAP22U50V

FSDQM[0..3]

FSDQM[0..3] FSDQM0 FSDQM1 FSDQM2 FSDQM3

C815 10N 10N 100N10N 100N100N100N100N10N 100N10N 100N10N 10N

2 - 

CAP22U50V

+2.5V_DDR R802