Funai LCD-C32B7 Service Manual
SERVICE MANUAL
This service manual shows only the differences between
the model LCD-C32B7 and the original model LCD-C3206.
All other information is described in the service manual
of the model LCD-C3206.
32″ COLOR LCD TELEVISION
LCD-C32B7
TABLE OF CONTENTS
Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Schematic Diagrams / CBA’s and Test Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Different parts from the original model (LCD-C3206) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
SUPPLEMENT
1-1
System Control Block Diagram
L5925BLS
BLOCK DIAGRAMS
IC101
(TV MICRO CONTROLLER)
IC103 (MEMORY)
AUDIO-MUTE
123
VOLUME420
SCL14 10
SDA15 9
KEY SWITCH
CN104ACN104B
CN111
BACKLIGHT-SW
13 11
BACKLIGHT-ADJ
12 12
CN101ACN101B
P-ON-H118 6
P-ON-H217 7
P-ON-H316 8
CN102ACN102B
RTC-IN
KEY-IN144
CN11B CN11A
17
LED-251LED-1
SDA
SCL
SDA
SCL
SDA
SDA
SCL
WP
SCL
SDA
SCL
BUS-OPEN
37
282726
AUDIO-MUTE
VOLUME
77
1
567
KEY-IN1
93
AUDIO-MUTE
VOLUME
P-ON-H159P-ON-H2
P-ON-H3
56
57
P-ON-H1
P-ON-H2
P-ON-H3
BACKLIGHT-SW
BACKLIGHT-ADJ
52
22
AL+5V
XIN
XOUT
11
13
RESET
X100
RESET
10MHz
OSC
10
IC102
45
TO AUDI O
BLOCK DIAGRAM
TO VIDEO SELECTOR
BLOCK DIAGRAM
BACKLIGHT-ADJ
BACKLIGHT-SW
TO DIGITAL
SIGNAL PROCESS
BLOCK DIAGRAM
TO POWER SUPPLY
BLOCK DIAGRAM
MAIN CBADIGITAL MAIN CBA UNIT
Q508
DRIVE
Q507
DRIVE
FUNCTION CBA
Q463
DRIVE
Q462
DRIVE
TO
INVERTER
BLOCK
DIAGRAM
REMOTE
SENSOR
D52D51
POWER POWER
REMOTE82
LED-235
LED-144
RCV51
CN15
LED CBA
1-2
Audio Block Diagram
L5925BLA
AUDIO SIGNAL
SP801
SPEAKER
L-CH
CLN52
CN16CN54 CN52
CN53
SP(L) 2
SP-GND 1
SP802
SPEAKER
R-CH
CLN53
SP(R) 2
SP-GND 1
SP(L)44
SP(R)33
HDMI
AUDIO(L)-IN
HDMI
AUDIO(R)-IN
JK201
JK202
HDMI(L)
CN103B CN103A
HDMI(R)
TU31
(TUNER UNIT)
SIF
IC851
(SOUND PROCESSOR)
SDA
L-CH
R-CH
SCL
HDMI(L)21 3
HDMI(R)20 4
HDMI-AUDIO(L)
23 1
HDMI-AUDIO(R)
22 2
COMPONENT
AUDIO(R)-IN
COMPONENT
AUDIO(L)-IN
JK701
AUDIO(R)-IN3
AUDIO(L)-IN3
JK702
IF SIGNAL
PROCESS
IC701
(AUDIO SELECTOR)
IC801
(AUDIO AMP)
317 2
30AUDIO 6 43
I2C I/F
I2C I/F
AMP
13 12
93
91
44
45
8987858179
94929088868280
AUDIO SW
(L-CH)
AUDIO SW
(R-CH)
MUTE
CONTROL
VOLUME
CONTROL
611
96
98
100
2 12
AMP
97
99
1
5 7
WF10
DIGITAL MAIN CBA UNIT
LED CBA
MAIN CBA
TO DIGITAL
SIGNAL PROCESS
BLOCK DIAGRAM
AUDIO-MUTE
VOLUME
TO SYSTEM
CONTROL
BLOCK DIAGRAM
AUDIO(L)-OUT1
AUDIO(R)-OUT1
AUDIO(L)-OUT2
AUDIO(R)-OUT2
JK704
(SCART)
3221
24
AUDIO(L)-IN1
AUDIO(R)-IN2
AUDIO(R)-IN1
AUDIO(L)-IN2
JK704
(SCART)
6
27
23
2
TO SYSTEM
CONTROL
BLOCK DIAGRAM
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