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Sou n d Stage HTL4110B/12/51/93/79 & HTL4115B/F7
TABLE OF CONTENTS
Page
Location of PC Boards & Versions Variation ........................ 1
Specifications ....................................................................... 2
Software Upgrade Instruction..................................................3
Troubleshooting.................................................................... 4
Disassembly Instructions ..................................................... 5
Set Block Diagram ................................................................ 6
Circuit Diagram & PCBA Layout........................................... 7
Set Mechanical Exploded View .......................................... 8
Revision List ........................................................................ 9
Published by & Sophie WK1404 Subject to modification 3140 038 60954
6.0
1
PCB Board Locations
USB&MP3 BOARD
NFC BOARD
Top Side
FRONT CONTROL BOARD
KEY BOARD
POWER BOARD
MAIN BOARD
Bottom Side
Reminder: As BT and NFC need to be paired , and BT is on FE board , when one of BT , NFC or
FE Board needs to be replaced , all of these three parts need to be replaced together.
VERSION VARIATIONS
Type / Versions HTL4110B HTL4115B
Board in used Service Policy /12 /51 /93 /79 /F7
MAIN BOARD C C C C C
POWER BOARD C C C C C
FRONT CONTROL BOARD C C C C C
USB & MP3 BOARD M M M M M
NFC BOARD M M M M M
KEY BOARD M M M M M
Tips C -- Component level repair
M -- Module Level Repair
2
Version:
Product WMA: V7, V8, V9
specifications Bluetooth
Bluetooth version: 2.1 + EDR
Note
Main unit
notice.
Power supply: 110-240 V~, 50/60 Hz
Power consumption: 80 W
Speaker impedance: 4 ohm
Speaker drivers: 2 x racetrack mid range
Total output power: 120W RMS (+/- 0.5 (1.5" x 5") + 2 x 1" tweeter + 1 x 4"
dB, 30% THD) / 96W RMS (+/- 0.5 dB, woofer
10% THD) Dimensions (WxHxD):
Frequency response: 20 Hz-20 kHz / 701 x 68 x 325 mm